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ASTM A276 Stainless Steel Bolts

ASTM A276 Type 316/403 Bolt Manufacturer and supppliers in india

Table Of Content:
ASTM A276 Bolts

 

before buy Compare ASTM A276 Stainless Steel Bolts price with SS Eye Bolt price list

 

To keep various materials together, bolts and nuts are two types of fastening devices. These astm a276 bolts may be provided in a variety of conditions depending on how the device is used. These bolts, for instance, could be delivered in condition A or after being annealed. Bolts can be annealed to increase their ductility, lower their hardness, and enhance their alloy's electrical characteristics. The tempered and hardened Astm a276 stainless steel bolts supplied in condition H must be done at a specific temperature.

Adjusting the ratio of toughness to hardness through the use of hardening and tempering can be helpful in applications. The alloy of the bolts is frequently heated to a temperature where austenite forms, and then it is cooled to produce a martensitic microstructure. condition or cold work B Bolts made to ASTM A276 Grade Type 304L are heavily cold worked. The resulting bolt hence has improved polish, better dimensional control, and fewer contamination issues.

According to this specification, a mechanical test is needed for all ASTM A276 Type 316 bolts. The mechanical test is used to verify the ASTM A276 Type 403's tensile and yield strengths, as well as its elongation and Brinell hardness, among other parameters.

 

ASTM A276 Bolts

 

ASTM A276 Bolts Specification Table
standard ISO 10642
British standards BS 57
Size
  • Cold Froging : M2-M24
  • Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg
  • Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg

M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes
Length 3 mm to 200 mm
Stainless Steel Threads: METRIC, BSW, BSF, UNC, UNF or as required
Standard:
  • ISO 14585C ~DIN 7981C
  • DIN 7973C ~ISO 1483
  • DIN 7983C ~ISO 7051
  • ISO 4762, ISO 2009, ISO 7050, ISO 14587, ISO 14587, ISO 14584, ISO 14582
  • ANSI B18.3.1M
  • ASME B18.6.3
  • GB/T5782, GB/T5783, GB5783

DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards
ANSI – American National Standards Institute
DIN Standard B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
UTS – Unified Thread Standard UNC, UNF, UNEF, UNS, NPT, NPTF
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
Tolerance +/-0.01mm to +/-0.05mm
Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
Type Pan/ Round/ Oval/ Hex Head/ Truss head
Head Pan head, flat head, oval head, hex head, phillips head
Finishing: Zinc (yellow, white, blue, black), black oxide
Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated
Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET
Finish Per ASTM A380/A380M
Production process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
Surface treatment
  • Polish
  • Passivation
  • Anodizing
  • Sand blasting
  • Heat-disposing
  • Hot-dip galvanizing
  • Rust preventive oil
  • Black oxide coating
  • Ruspert coating screws
  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)
Top Manufacturers SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc.
MOQ 5 pieces
Test Certificate:
  • Manufacturer Test Certificate as per EN 10204 / 3.1,
  • Tensile testing to ISO 898-1
  • Nut proof load testing to ISO 898-2
  • Suitability for preloading to EN 14399-2
  • Suitability test for calibrated preload to EN 14399-10
  • Charpy Impact testing in accordance with ISO 148-1
  • Hardness testing to ISO 6508-1
  • Tri-Roll Thread Comparators
  • Calibrated gauges and tools
Free Samples Yes
Delivery time Regular product is about 7-15 days, custom product will according to special requirement
Payment Terms T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping
Uses & application Railway, Wind tower, Nuclear power, Automotive industry, Construction, Electronic industry

 

astm a276 bolts Price
Description Per Unit (INR) Price in USD Price in EURO
Door Bolt - 304# Stainless Steel 165 2.23 1.86
Stainless Steel Nut Bolts Grade 316 Defective 123 1.66 1.39
Stainless Steel Nut Bolts Grade 316 Defective 123 1.66 1.39
304 Stainless Steel Towel Bolt Satin Finish (8inch) (9117697) (2840 Pcs) 478 6.46 5.40

 

Permitted Shear Stress Chart of astm a276 SS bolts
Type Finish Specification & Condition Dia (in.) 0.2% Yield Stress (ksi) Min. Tensile Requirement Shear Stress (ksi)
Tensile Strength (ksi) No Threads in Shear Plane Threads in Shear Plane
302
304
316		 Hot Finished Condition A (Annealed) in ASTM A276-71
Class 1 (solution treated) in ASTM A193-71		 all 30 75 15 10.5
302
304
316		 Cold Finished Condition A (Annealed) in ASTM A276-71 45 90 18 12.6
302
304
316		 Cold Finished Condition B (cold-worked) in ASTM A276-71
Class 2 (solution treated and strain hardened) in ASTM A193-71*		 100 125 25 17.5

 

A276 Bolts Surface Coating available
  • Electro Polished
  • Hot Dipped Galvanizing
  • Mirror Buffed
  • Passivation
  • Zinc Plating
  • Teflon Coating
  • Epoxy Coating
  • Chrome Plating
  • Oxidized

 

 

Tensile Stress Areas And Threads Per Inch of astm a276 bolts


PRODUCT SIZE DIA. in.

COARSE THREAD (UNC)

FINE THREAD (UNF)

STRESS AREA
sq in.

THREADS
per in.

STRESS AREA
sq in.

THREADS
per in.

6

0.00909

32

0.01015

40

8

0.0140

32

0.01474

36

10

0.0175

24

0.0200

32

12

0.0242

24

0.0258

28

1⁄4

0.0318

20

0.0364

28

5⁄16

0.0524

18

0.0580

24

3⁄8

0.0775

16

0.0878

24

7⁄16

0.1063

14

0.1187

20

1⁄2

0.1419

13

0.1599

20

9⁄16

0.1820

12

0.2030

18

5⁄8

0.2260

11

0.2560

18

3⁄4

0.3340

10

0.3730

16

7⁄8

0.4620

9

0.5090

14

1

0.6060

8

0.6630

12

11⁄8

0.7630

7

0.8560

12

11⁄4

0.9690

7

1.0730

12

13⁄8

1.1550

6

1.3150

12

11⁄2

1.4050

6

1.5810

12

 

Dimensions of ASTM A276 Grade Type 304L Heavy Hex Bolt
HEAVY HEX BOLT DIMENSIONS
Bolt Size A (max) B C (min) D E F
Thread Length
for Bolt Length
max min 6" and
shorter		 over 6"
1/2" 0.515 7/8 0.969 11/32 0.03 0.01 1.250 1.500
5/8" 0.642 1-1/16 1.175 27/64 0.06 0.02 1.500 1.750
3/4" 0.768 1-1/4 1.383 1/2 0.06 0.02 1.750 2.000
7/8" 0.895 1-7/16 1.589 37/64 0.06 0.02 2.000 2.250
1" 1.022 1-5/8 1.796 43/64 0.09 0.03 2.250 2.500
1-1/8" 1.149 1-13/16 2.002 3/4 0.09 0.03 2.500 2.750
1-1/4" 1.277 2 2.209 27/32 0.09 0.03 2.750 3.000
1-3/8" 1.404 2-3/16 2.416 29/32 0.09 0.03 3.000 3.250
1-1/2" 1.531 2-3/8 2.622 1 0.09 0.03 3.250 3.500
1-3/4" 1.785 2-3/4 3.035 1-5/32 0.12 0.04 3.750 4.000
2" 2.039 3-1/8 3.449 1-11/32 0.12 0.04 4.250 4.500
2-1/4" 2.305 3-1/2 3.862 1-1/2 0.19 0.06 4.750 5.000
2-1/2" 2.559 3-7/8 4.275 1-21/32 0.19 0.06 5.250 5.500
2-3/4" 2.827 4-1/4 4.688 1-13/16 0.19 0.06 5.750 6.000
3" 3.081 4-5/8 5.102 2 0.19 0.06 6.250 6.500

 

astm a276 stainless steel bolts Shear Strength
METRIC SIZE A1/ A2/ A4-50 (N) A1/ A2/ A4-70 (N) A1/ A2/ A4-80 (N)
M3 2515 3521 4024
M3.5 3390 4646 5424
M4 4390 6146 7024
M5 7100 9940 11360
M6 10050 14070 16080
M7 14450 20230 23120
M8 18300 25620 29280
M10 29000 40600 46400
M12 42150 59010 67440
M14 57500 80500 92000
M16 78500 109900 125600
M18 96000 134400 153600
M20 122500 171500 196000
M22 151500 212100 242400
M24 176500 247100 282400
M27 229500 321300 367200
M30 280500 392700 448800
M33 408500 571900 653600
M36 408500 571900 653600
M39 488000 683200 780800

 

Thermal Expansion Of Corrosion-resistant astm a276 bolts

Alloy

TemperatureRangeoF

MeanCoefficientofThermalExpansionIn./In./oF(106)

 

32 to 212

9.6

Type 304 Stainless Steel

32 to 572
32 to 1112

9.9
10.4

 

32 to 212

8.9

Type 316 Stainless Steel

32 to 572
32 to 1112

9.0
10.3

Type 410 Stainless Steel

32 to 212

6.1

32 to 1000

7.2

Brass

68 to 572

11.3

Naval Bronze

68 to 572

10.0

Silicon Bronze

68 to 572

11.8

Monel

68 to 212

7.8

Titanium

32 to 68

4.7

32 to 1600

5.6

Aluminum (2024)

-76 to 68
68 to 212

21.4
22.8

 

68 to 392

23.9

 

Dimensions of ASTM A276 stainless steel Square Bolts
Table B3
SQUARE BOLT DIMENSIONS
Bolt Size A (max) B C (min) D E F
Thread Length
for Bolt Length
max min 6" and
shorter		 over 6"
1/4" 0.260 3/8 0.498 11/64 0.03 0.01 0.750 1.000
5/16" 0.324 1/2 0.665 13/64 0.03 0.01 0.875 1.125
3/8" 0.388 9/16 0.747 1/4 0.03 0.01 1.000 1.250
7/16" 0.452 5/8 0.828 19/64 0.03 0.01 1.125 1.375
1/2" 0.515 3/4 0.995 21/64 0.03 0.01 1.250 1.500
5/8" 0.642 15/16 1.244 27/64 0.06 0.02 1.500 1.750
3/4" 0.768 1-1/8 1.494 1/2 0.06 0.02 1.750 2.000
7/8" 0.895 1-5/16 1.742 19/32 0.06 0.02 2.000 2.250
1" 1.022 1-1/2 1.991 21/32 0.09 0.03 2.250 2.500
1-1/8" 1.149 1-11/16 2.239 3/4 0.09 0.03 2.500 2.750
1-1/4" 1.277 1-7/8 2.489 27/32 0.09 0.03 2.750 3.000
1-3/8" 1.404 2-1/16 2.738 29/32 0.09 0.03 3.000 3.250
1-1/2" 1.531 2-1/4 2.986 1 0.09 0.03 3.250 3.500

 

 

Hex Bolt Dimensions of Astm A276 Stainless Steel bolts
NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNESS ACROSS THE FLATS ACROSS BOLTS CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

 

ASTM A276 Type 403 bolts Cryogenic Properties

AISI TYPE

TestTemperature

Yield Strength 0.2% Offset

Tensile Strength

Elongation
% in 2"
(5.08 cm)

%Reduction ofArea

Izod-Impact

o F

o C

ksi

kg/mm2

ksi

kg/mm2

ft-lb

kg-m

304

-40
-80
-320
-423

-40
-62
-196
-252

34.0
34.0
39.0
50.0

24.0
24.0
27.0
35.0

155.0
170.0
221.0
243.0

109.0
120.0
155.0
171.0

47.0
39.0
40.0
40.0

64.0
63.0
55.0
50.0

110
110
110
110

15.2
15.2
15.2
15.2

316

-40
-80
-320
-423

-40
-62
-196
-252

41.0
44.0
75.0
84.0

29.0
31.0
53.0
59.0

104.0
118.0
185.0
210.0

73.0
83.0
130.0
148.0

59.0
57.0
59.0
52.0

75.0
73.0
76.0
60.0

110
110

15.2
15.2

Not Available Not Available

430

-40
-80
-320

-40
-62
-196

41.0
44.0
88.0

29.0
31.0
62.0

76.0
81.0
92.0

53.0
57.0
65.0

36.0
36.0
2.0

72.0
70.0
4.0

10
8
2

1.4
1.1
0.3

410

-40
-80
-320

-40
-62
-196

90.0
94.0
148.0

63.0
66.0
104.0

122.0
128.0
158.0

86.0
90.0
111.0

23.0
22.0
10.0

64.0
60.0
11.0

25
25
5

3.5
3.5
0.7

 

Dimensions chart of ASTM A276 Type 316 Round Head Bolt
Round Head Bolt Dia. C H
Head Dia. Head Height
Max Min Max Min
1⁄2 1.094 1.032 0.270 0.250
5⁄8 1.344 1.219 0.344 0.313
3⁄4 1.594 1.469 0.406 0.375
7⁄8 1.844 1.719 0.469 0.438
1 2.094 1.969 0.531 0.500
11⁄4 2.850 0.531 0.500

 

Custom Points Styles available of astm a276 bolts

Custom Points Styles available of astm a276 bolts

 

Scaling (Oxidation) Resistance of astm a276 stainless steel bolts


AISI TYPE

MAX. CONTINUOUS SERVICE, AIR, OF

MAX. INTERMITTENT SERVICE, AIR, OF

303

1650

1400

304

1650

1550

305

1650

—

309

1950

1850

310

2050

1900

316

1650

1550

321

1650

1550

347

1650

1550

430

1550

1650

446

1950

2050

410

1300

1450

416

1250

1400

 

ASTM A276 Type 403 bolts Testing
  • IGC Test
  • Hardness Test
  • Positive Material Identification Test
  • Tensile Testing Machine

 

Weight Chart ASTM A276 Type 316 Bolts

M.S. HEX HALF THREAD BOLTS WITH NUTS

MM THREADS AS PER IS 1363/67

APPROXIMATE WEIGHT IN KGS FOR 100 NOS

LENGTH

D      I      A      M      E      T      E      R

M 5

M 6

M 8

M 10

M 12

M 14

M 16

M 18

M 20

M 22
16 mm 0.448 0.743 1.590 3.211
20 mm 0.598 0.812 1.711 3.411 4.892
25 mm 0.660 0.897 1.871 3.660 5.252 8.170
30 mm 0.737 1.010 2.070 3.912 5.574 9.690 10.707 18.657
35 mm 0.804 1.120 2.271 4.223 5.974 10.000 11.416 16.026 19.608
40 mm 0.881 1.230 2.470 4.533 6.410 10.288 12.107 16.667 20.747
45 mm 0.958 1.340 2.671 4.840 6.859 10.504 12.821 17.241 21.739
50 mm 1.030 1.450 2.870 5.155 7.299 11.261 13.624 17.857 22.727 28.409
55 mm 1.560 3.071 5.464 7.740 11.628 14.409 18.868 23.810 30.120
60 mm 1.670 3.270 5.774 8.183 12.255 15.244 20.000 25.126 32.051
65 mm 1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014
70 mm 1.890 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461
75 mm 2.000 3.873 6.702 9.506 13.228 17.606 23.256 29.070 39.063
80 mm 2.111 4.072 7.013 10.000 13.889 18.248 24.510 30.303 40.000
90 mm 4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667
100 mm 4.873 8.251 11.820 16.340 21.459 27.778 35.714 46.296
110 mm 8.881 12.723 17.730 23.041 31.250 38.168 47.170
120 mm 9.506 13.624 18.797 24.631 32.895 40.984 50.000
130 mm 10.101 14.535 20.000 26.316 34.722 43.478 52.632
140 mm 10.707 15.432 20.833 27.933 35.461 46.296 55.556
150 mm 11.312 16.340 22.222 29.412 37.594 48.544 58.824
160 mm 11.905 17.241 24.272 31.056 40.984 50.505 61.728
170 mm 12.500 18.116 32.680 53.191 64.935
180 mm 13.123 19.011 26.882 34.247 55.556 67.568
190 mm 13.736 19.920 35.971 58.140 70.423
200 mm 14.327 20.833 29.586 37.594 49.020 60.976 73.529
220 mm 15.528 22.624 40.650 65.789 79.365
240 mm 16.722 24.510 43.860 71.429 84.746
250 mm 17.301 25.381 45.455 74.627 87.719
260 mm 17.921 26.316 47.170 76.923 90.909
280 mm 19.157 28.090 50.505 81.967 98.039
300 mm 20.325 29.940 53.763 87.719 104.167
320 mm 31.646 56.818 92.593
340 mm 33.557 60.241 98.039
360 mm 35.211 63.291 104.167
380 mm 37.037 66.667 108.696
400 mm 39.063 69.444 113.636

 

 

BSW THREADS AS PER BS 916/53

APPROXIMATE WEIGHT IN KGS FOR 100 NOS

LENGTH

D        I        A        M        E        T        E        R

1/4″

5/16″

3/8″

7/16″

1/2″

5/8″

3/4″

7/8″

1″

1.1/8″

1.1/4″

1.1/2″

1.3/4″

2″
3/4″ 1.111
1″ 1.252 2.041 3.123 4.950
1.1/4″ 1.401 2.281 3.458 5.388 7.692 13.966
1.1/2″ 1.556 2.523 3.797 5.875 8.306 14.925 23.810 29.240
1.3/4″ 1.705 2.762 4.132 6.329 8.897 15.924 25.253 31.056 45.045
2″ 1.864 3.003 4.468 6.793 9.506 16.949 26.882 32.680 47.619
2.1/4″ 2.005 3.245 4.826 7.246 10.121 17.921 28.249 34.483 50.505 70.423
2.1/2″ 2.159 3.484 5.144 7.704 10.707 18.868 29.762 36.765 52.632 73.529 98.039 156.250 227.273 312.500
3″ 2.459 3.965 5.814 8.621 11.933 20.921 32.468 40.323 56.818 79.365 106.383 166.667 250.000 333.333
3.1/2″ 2.762 4.444 6.485 9.542 13.123 22.831 35.714 43.860 60.976 84.746 113.636 178.571 250.000 333.333
4″ 3.075 4.926 7.153 10.460 14.327 24.876 38.462 48.544 66.667 90.909 119.048 185.185 277.778 357.143
4.1/2″ 3.367 5.405 7.813 11.364 15.528 26.882 40.984 51.546 69.444 98.039 128.205 192.308 277.778 384.615
5″ 3.655 5.903 8.475 12.285 16.779 28.902 43.860 54.945 76.923 102.041 135.135 208.333 294.118 384.615
5.1/2″ 3.946 6.386 9.141 13.158 17.921 30.864 47.170 58.824 81.967 108.696 147.059 227.273 333.333 416.667
6″ 4.237 6.868 9.804 14.085 19.157 32.680 50.505 63.291 86.207 116.279 156.250 238.095 357.143 416.667
7″ 20.833 34.722 53.763 73.529 96.154 128.205 172.414 250.000 384.615 500.000
8″ 23.585 38.462 58.140 79.365 106.383 142.857 185.185 277.778 416.667 555.556
9″ 25.907 42.735 64.935 87.719 116.279 156.250 200.000 312.500 454.545 555.556
10″ 28.736 47.619 71.429 96.154 125.000 166.667 217.391 333.333 454.545 625.000
11″ 31.250 50.505 75.758 104.167 135.135 178.571 238.095 357.143 500.000 714.286
12″ 33.557 53.763 80.645 113.636 147.059 192.308 250.000 384.615 555.556 714.286
14″ 38.462 60.976 92.593 125.000 166.667 217.391 277.778 416.667 625.000 833.333
16″ 43.478 68.493 104.167 142.857 185.185 238.095 312.500 500.000 714.286 1,000.000
18″ 48.544 76.923 113.636 156.250 208.333 263.158 333.333 555.556 714.286 1,000.000
20″ 53.763 84.746 125.000 172.414 227.273 294.118 384.615 625.000 833.333 1,250.000

 


Head Style of ASTM A276 Type 403 bolts

Head Style of ASTM A276 Type 403 bolts

 

Us To Metric Conversion Table of Astm A276 Bolts
US
(inches)
Metric
(millimeters)
US
(inches)
Metric
(millimeters)
1/16
1.6
1-1/2
38
1/8
3.2
1-5/8
41
3/16
4.8
1-3/4
45
1/4
6.4
1-7/8
48
5/16
7.9
2
51
3/8
9.5
2-1/4
57
7/16
11
2-1/2
64
1/2
13
2-3/4
70
9/16
14
3
76
5/8
16
3-1/4
83
11/16
17
3-1/2
89
3/4
19
3-3/4
95
13/16
21
4
102
7/8
22
4-1/2
114
15/16
24
5
127
1
25
5-1/2
140
1-1/8
29
6
152
1-1/4
32
6-1/2
165
1-3/8
35
7
178

 

Drive Style astm a276 bolts

astm a276 bolts Drive Style

 

Astm A276 Stainless Steel Grades
Stainless Steel Type Type UNS Designation
Austenitic Grades - N08367
- N08700
800 N08800
800H N08810
800HT N08811
904L N08904
- N08925
- N08926
201 S20100
- S20161
- S20162
202 S20200
205 S20500
XM-19 S20910
- S21800
XM-10 S21900
XM-11 S21904
XM-29 S24000
XM-28 S24100
- S28200
302 S30200
302B S30215
304 S30400
304L S30403
304N S30451
XM-21 S30452
304LN S30453
- S30454
305 S30500
308 S30800
- S30815
309 S30900
309S S30908
309Cb S30940
310 S31000
310S S31008
310Cb S31040
254SMO S31254
314 S31400
316 S31600
316L S31603
316Ti S31635
316Cb S31640
316N S31651
316LN S31653
- S31654
317 S31700
- S31725
- S31726
- S32053
321 S32100
- S32654
- S34565
- S34700
- S34800
- S31100
2205 S31803
2101 S32101
Duplex Grades - S32202
2205 S32205
2304 S32304
- S32506
255 S32550
2507 S32750
2507 S32760
- S82441
Ferritic Grades 405 S40500
- S40976
429 S42900
430 S43000
444 S44400
446 S44600
XM-27 S44627
- S44700
- S44800
Martensitic Grades 403 S40300
410 S41000
XM-30 S41040
414 S41400
- S41425
- S41500
420 S42000
- S42010
431 S43100
440A S44002
440B S44003
440C S44004

 

Torque Chart of ASTM A276 Grade Type 304L Hex Bolts

BOLT SIZE

TYPE 304 ST. ST.

TYPE 316 ST. ST.

2-56

2.5

2.6

2-64

3.0

3.2

3-48

3.9

4.0

3-56

4.4

4.6

4-40

5.2

5.5

4-48

6.6

6.9

5-40

7.7

8.1

5-44

9.4

9.8

6-32

9.6

10.1

6-40

12.1

12.7

8-32

19.8

20.7

8-36

22.0

23.0

10-24

22.8

23.8

10-32

31.7

33.1

1⁄4"-20

75.2

78.8

1⁄4"-28

94.0

99.0

5⁄16"-18

132

138

5⁄16"-24

142

147

3⁄8"-16

236

247

3⁄8"-24

259

271

7⁄16"-14

376

393

7⁄16"-20

400

418

1⁄2"-13

517

542

1⁄2"-20

541

565

9⁄16"-12

682

713

9⁄16"-18

752

787

5⁄8"-11

1110

1160

5⁄8"-18

1244

1301

3⁄4"-10

1530

1582

3⁄4"-16

1490

1558

7⁄8"-9

2328

2430

7⁄8"-14

2318

2420

1"-8

3440

3595

1"-14

3110

3250

11⁄8"-7

413

432

11⁄8"-12

390

408

11⁄4"-7

523

546

11⁄4"-12

480

504

11⁄2"-6

888

930

11⁄2"-12

703

732

 

Creep Strengths of ASTM A276 Type 316 bolts

AISI TYPE

LOAD FOR 1% ELONGATION IN 10,000 Hr, ksi

1000 F

1100 F

1200 F

1300 F

1500 F

303

16.5

11.5

6.5

3.5

0.7

304

20

12

7.5

4

1.5

305

19

12.5

8

4.5

2

309

16.5

12.5

10

6

3

310

33

23

15

10

3

316

25

17.4

11.6

7.5

2.4

321

18

17

9

5

1.5

347

32

23

16

10

2

430

8.5

4.7

2.6

1.4

—

446

6.4

2.9

1.4

0.6

0.4

410

11.5

4.3

2

1.5

—

416

11

4.6

2

1.2

—

 

Find Strength to weight Ratio of Astm A276 Stainless Steel Bolts

Material

TypicalTensileStrength
ksi

 

Density Lbs./Cu. In.

 

Strength-to-Weight RatioInchesx102

Martensitic Stainless Steel (410, 416)

180

.280

6.4

Aluminum (2024-T4)

60

.098

6.1

Austenitic Stainless Steel (18-8)
Strain hardened

 

125

 

.290

 

4.3

Titanium Commercially pure

50

.163

3.1

Nylon

12

.041

2.9

Austenitic Stainless Steel (18-8), annealed

80

.290

2.8

Monel 400

80

.319

2.5

Silicon Bronze

75

.308

2.4

Brass

60

.308

2.0

Mild Steel

50

.282

1.8

 

Chemical Composition of ASTM A276 Type 403 Bolt

GRADE

GENERAL
DESCRIPTION OF
MATERIAL

SPECIFICATIONS 1 COVERING
RAW MATERIALS REQUIREMENTS

CHEMICAL COMPOSITION, % MAX
(UNLESS SHOWN AS MIN OR MAX/MIN LIMITS GIVEN)

 

STAINLESS STEEL

C

Mn

P

S

Si

Cu

Mo

Ni

Cr

Other

303

Austenitic Stainless Steel

ASTM A276 Type 303 QQ-S-764 Class 303
AISI 303

0.15

2.00

0.20

0.15
min

1.00

—

0.603

8.00
to 10.00

17.00
to 19.00

—

304

Austenitic Stainless Steel

ASTM A276 Type 304 QQ-S-763 Class 304
AISI 304

0.08

2.00

0.045

0.030

1.00

—

—

8.00
to 12.00

18.00
to 20.00

—

305

Austenitic Stainless Steel

ASTM A276 Type 305 QQ-S-763 Class 305
AISI 305

0.12

2.00

0.045

0.030

1.00

—

—

10.00
to 13.00

17.00
to 19.00

—

316

Austenitic Stainless Steel

ASTM A276 Type 316 QQ-S-763 Class 316
AISI 316

0.08

2.00

0.045

0.030

1.00

—

2.00
to 3.00

10.00
to 14.00

16.00
to 18.00

—

XM7*

Austenitic Stainless Steel

ASTM A493 Type XM7

0.10

2.00

0.045

0.030

1.00

3.0
to 4.0

—

8.00
to 10.00

17.00
to 19.00

—

384

Austenitic Stainless Steel

AISI 384

0.08

2.00

0.045

0.030

1.00

—

—

17.00
to 19.00

15.00
to 17.00

—

410

Martensitic Stainless Steel

ASTM A276 Type 410 QQ-S-763 Class 410
AISI 410

0.15

1.00

0.040

0.030

1.00

—

—

—

11.50
to 13.50

—

416

Martensitic Stainless Steel

ASTM A276 Type 416 QQ-S-764 Class 416
AISI 416

0.15

1.25

0.060

0.15
min

1.00

—

0.602

—

12.00
to 14.00

—

430

Ferritic Stainless Steel

ASTM A276 Type 430 QQ-S-763 Class 430
AISI 430

0.12

1.00

0.040

0.030

1.00

—

—

—

14.00
to 18.00

—

17-4 PH

Precipitation Hardened Austenitic Stainless

ASTM A564 AISI 630

0.07

1.00

0.040

0.030

1.00

3.0
to 5.0

—

3.0
to 5.0

15.00
to 17.50

See Note (4)

2205

Duplex Stainless Steel

ASTM A479 ASTM A276

0.03

2.00

0.030

0.015

1.00

—

3.20

5.50

22.00

N 0.18

 

Mechanical Properties of ASTM A276 Type 403 Bolt


 

GRADE 1

GENERAL
DESCRIPTION

MECHANICAL REQUIREMENTS

BOLTS, SCREWS AND STUDS

NUTS

FULL SIZE BOLTS, SCREWS, STUDS

MACHINED TEST SPECIMENS OF BOLTS, SCREWS, STUDS

HARDNESS ROCKWELL
Min

PROOF LOAD
STRESS
ksi

HARDNESS ROCKWELL
Min

YIELD 2
STRENGTH
min ksi

TENSILE STRENGTH
min ksi

YIELD 2
STRENGTH
min ksi

TENSILE STRENGTH
min ksi

ELON- GATION 3
% Min

303-A
304-A

Austenitic Stainless Steel- Sol. Annealed

30

75

30

75

20

B75

75

B75

304
305
316
384
XM7*

Austenitic Stainless Steel- Cold Worked

50

90

45

85

20

B85

90

B85

305-A
316-A
384-A XM7-A*

Austenitic Stainless Steel- Sol. Annealed

30

75

30

75

20

B70

75

B70

304-SH
305-SH
316-SH

Austenitic Stainless Steel- Strain Hardened

See Note 6

See Note 6

See Note 6

See Note 6

15

C25

See Note 6

C20

410-H
416-H

Martensitic Stainless Steel- Hardened and Tempered

95

125

95

125

20

C22

125

C22

410-HT
416-HT

Martensitic Stainless Steel- Hardened and Tempered

135

180

135

180

12

C36

180

C36

430

Ferritic Stainless Steel-

40

70

40

70

20

B75

70

B75

 

ASME SA276 Bolts Application
  • Oil and Gas Pipeline
  • Aerospace Industry
  • Nuclear Energy Sector
  • Chemical Industry
  • Water Supply Systems
  • Petroleum Industries
  • Oil & Gas Industries
  • Structural Pipe
  • Heating
  • General Purpose Applications

 

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