Manufacturer of ASME Sa193 Gr B7M Studs, Check gr b7 hex bolt dimension and torque chart.

Astm A193 Grade B7m Bolts

 

Even though grade B7 is made of carbon steel, the material is known as alloy steel. The specification states that the chemical makeup of theASTM A193 Grade B7m Bolts comprises a particular quantity of different components. Elements like aluminium, boron, cobalt, columbium, molybdenum, nickel, titanium, vanadium, and zirconium are included in the material's chemical composition. ASTM A193 Grade B7 Stud Bolts.

Since the content of chromium in this alloy is less than 4%, the A193 B7 Bolts Material is referred to an alloy steel. Both alloy grades i.e. ASTM A193 B7m Bolts and grade B7 are processed by heat treatment. Using heat treatment on the material, yeilds an alloy that has better tensile strength. And so the resultant ASTM A193 B7 Heavy Hex Bolts is suitable for situations demanding high heat and high pressure. The difference between the two alloy grades, despite the fact that their chemical compositions are comparable, is that the requirements for their properties have changed.

For instance, both the minimum yield and tensile strength for ASTM A193 B7 Metric Bolts tends to be much higher than in the B7M grade bolt. The ASTM A193 Grade B7 Bolts produced per this specification needs to maintain strict control over its chemistry, without any inclusion of any prescribed element in its chemistry.

Before buy compare Astm A193 Grade B7m Bolts price with Astm A193 Grade B8 Class 2 Bolts

 

 

Astm A193 Grade B7M Stud Bolts Specification
Dimensions
ASME B18.2.1, B18.3
Melt Origin
South America/East Europe/JapanKorea/
Product Origin
Made in India
Threads Configuration
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
Certification
Dual Certified As per ASTM & ASME Codes
Additional Certifications
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory Requirements
Free from Mercury & Radioactive Contamination
Additional Requirements
NACE MR0103 / MR0175 / ISO 15156 Compliance

 

ASTM A193 Grade B7m Bolts Price
Description Per Unit (INR) Price in USD

Price in EURO

1/2 X 45mm A193 B7m Hex Bolt Fully Threaded C/w 2- Nuts, Ptfe Coated (Oilfield Equipment) (Coo: Uae) 257 3.49 2.86
1/2 X 90mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts,zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: U 112 1.52 1.24
7/8 X 130mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 424 5.76 4.71
1/2 X 80mm A193 Gr.b7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Ptfe Coated As Per Mesc Spe 81/007 (Oilfield Equipment) 107 1.45 1.19
5/8 X 50mm A193 B7m Hex Bolt Fully Threaded C/w 2- Nuts, Ptfe Coated (Oilfield Equipment) (Coo: Uae) 357 4.85 3.97
M33 X 170mm Astm A193 B7m Stud Bolt C/w 2- Nuts, Ptfe Coated(Oilfield Equipment) (Coo: Uae) 781 10.62 8.68
1/2 X 70mm A193 B7m Stud Bolt C/w 2- 2hm Nuts, Ptfe Coated- Green, As Per Mesc 81/007 (Oilfield Equipment) (Coo: U.a.e 369 5.02 4.10
1/2 X 60mm A193 Gr.b7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Ptfe Coated As Per Mesc Spe 81/007 (Oilfield Equipment) 100 1.36 1.11
M14 X 100mm Astm A193 B7m Stud Bolt C/w 2- Nuts, Ptfe Coated(Oilfield Equipment) (Coo: Uae) 167 2.27 1.86
3/4 X 120mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 301 4.09 3.35
5/8 X 100mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 190 2.58 2.11
M18 X 125mm Astm A193 B7m Stud Bolt C/w 2- Nuts, Ptfe Coated(Oilfield Equipment) (Coo: Uae) 223 3.03 2.48
3/4 X 130mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 312 4.24 3.47
3/4 X 140mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 312 4.24 3.47
5/8 X 110mm A193 B7m Stud Bolt C/w 2- A194 Gr.2hm Hex Nuts, Zini + Xylan 1070 Green Coated (Oilfield Equipment) (Coo: 194 2.64 2.16
M18 X 110mm Astm A193 B7m Stud Bolt C/w 2- Nuts, Ptfe Coated(Oilfield Equipment) (Coo: Uae) 212 2.88 2.36

 

 

Heat Treatment of grade B7M stud bolts

Quenched & Tempered at 620º C minimum.


What is the difference between A193 Grade B7 & A193 Grade B7M?
  • These two contrast in strength necessities and testing. A193 Grade B7M bolts are have lower least mechanical prerequisites than Grade B7 and require 100% hardness testing of each bolt
  • Hardness is presumably the main distinction between A193B7M and A193B7. The most extreme hardness of ASTM A193B7M is 235 HB or 99 HRB, while the greatest hardness of A193B7 is 321 HB or 35 HRC.
  • While A193B7 is indicated generally frequently in the development business, A193B7M is a particular that isn't viewed as routinely.

 

SA 193 gr B7M Stud Bolt Dimensions

Double End Stud

d L is less than 6 b max L is more than 6 b max m max   m min  
1/4" 0.8750 1.1250 0.2500 0.2127
5/16" 1.0310 1.2810 0.3125 0.2712
3/8" 1.1880 1.4380 0.3750 0.3287
7/16" 1.3440 1.5940 0.4375 0.3850
1/2" 1.5000 1.7500 0.5000 0.4435
9/16" 1.6560 1.9060 0.5625 0.5016
5/8" 1.8120 2.0620 0.6250 0.5589
3/4" 2.1250 2.3750 0.7500 0.6773
7/8" 2.4380 2.6880 0.8750 0.7946
1" 2.7500 3.0000 1.0000 0.9100
1-1/8" 3.0620 3.3120 1.1250 1.0228
1-1/4" 3.3750 3.6250 1.2500 1.1476
1-3/8" 3.6880 3.9280 1.3750 1.2563
1-1/2" 4.0000 4.2500 1.5000 1.3812

 

Testing conducted on A193 B7M Bolts
Testing conducted on A193 B7M Bolts
  • Flattening Test
  • Intergranular Corrosion (IGC) Test
  • Chemical Analysis – Spectro Analysis
  • Positive Material Identification – PMI Testing
  • Hardness Test
  • Micro and MacroTest
  • Pitting Resistance Test
  • Flaring Test
  • Mechanical Testing Such as Tensile of Area

 

ASTM A193 Grade B7M Raw Material
Grade Raw Material Description
B7M Chromium Molybdenum Alloy Steel, Quenched & Tempered

 

A193-B7M Stud Bolts Packaging
ASTM A193 grade b7 bolts packaging
ASTM A193 grade b7 nuts packaging

 

Dimension Chart Of ASTM A193 B7M Hex Bolt
NOMINAL SIZE (D)
BODY DIA
HEAD THICKNESS ASTM A193
ACRO ASTM A193 THE FLATS
ACRO ASTM A193 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

 

A193 B7M Bolts Marking
Manufacturer's Mark Grade Marking
Simplex Steel B7M

 

 

ASTM A193 B7M Metric Bolts Popular Head Style

ASTM A193 B7M Metric Bolts Popular Head Style

 

SA 193 gr B7M bolt torque chart
Torque Specifications
Bolt Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
#2
56
2.5
2.6
64
3.0
3.2
#3
48
3.9
4.0
56
4.4
4.6
#4
40
5.2
5.5
48
6.6
6.9
#5
40
7.7
8.1
44
9.4
9.8
#6
32
9.6
10.1
40
12.1
12.7
#8
32
19.8
20.7
36
22.0
23.0
#10
24
22.8
23.8
32
31.7
33.1
Bolt Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
1/4
20
75.2
78.8
28
94.0
99.0
5/16
18
132
138
24
142
147
3/8
16
236
247
24
259
271
7/16
14
376
393
20
400
418
1/2
13
517
542
20
541
565
Bolt Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
9/16
12
682
713
18
752
787
5/8
11
1110
1160
18
1244
1301
3/4
10
1530
1582
16
1490
1558
7/8
9
2328
2430
14
2318
2420
1
8
3440
3595
14
3110
3250
Bolt Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Foot-Pounds
304
Stainless Steel
316
Stainless Steel
1 1/8
7
413
432
12
390
408
1 1/4
7
523
546
12
480
504
1 1/2
6
888
930
12
703
732

 

Recommended Nuts & Washers of Gr B7M Material
Bolting Grade Nut Grade Washer Grade
ASTM A193 Grade 7M ASTM A194 Grade 2H, 2HM ASTM F436

 

ASTM A193 Grade B7m Hex Nut Dimensions
Hexagon Full Nut Metric Fine DIN 934
d s e m
M1.2 3.0000 3.2900 1.0000
M1.4 3.0000 3.2900 1.2000
M1.6 3.2000 3.4800 1.3000
M1.7 3.5000 3.8200 1.4000
M2 4.0000 4.3200 1.6000
M2.3 4.5000 4.9500 1.8000
M2.5 5.0000 5.4500 2.0000
M2.6 5.0000 5.5100 2.0000
M3 5.5000 6.0100 2.4000
M3.5 6.0000 6.0100 2.8000
M4 7.0000 7.6600 3.2000
M5 8.0000 8.7600 4.0000
M6 10.0000 11.0500 5.0000
M7 11.0000 12.1200 5.5000
M8 13.0000 14.3800 6.5000
M10 17.0000 18.9000 8.0000
M12 19.0000 21.1000 10.0000
M14 22.0000 24.4900 11.0000
M16 24.0000 26.7500 13.0000
M18 27.0000 29.5600 15.0000
M20 30.0000 32.9500 16.0000
M22 32.0000 35.0300 18.0000
M24 36.0000 39.5500 19.0000
M27 41.0000 45.2000 22.0000
M30 46.0000 50.8500 24.0000
M33 50.0000 55.3700 26.0000
M36 55.0000 60.7900 29.0000
M39 60.0000 66.4400 31.0000
M42 65.0000 71.3000 34.0000
M45 70.0000 76.9500 36.0000
M48 75.0000 82.6000 38.0000
M52 80.0000 88.2500 42.0000
M56 85.0000 95.0700 45.0000
M60 90.0000 100.7200 48.0000
M64 95.0000 106.3700 51.0000
M68 100.0000 112.0200 54.0000
M72 105.0000 117.6700 58.0000
M76 110.0000 123.3200 61.0000
M80 115.0000 128.9700 64.0000
M85 120.0000 133.1100 68.0000
M90 130.0000 145.7700 72.0000
M95 135.0000 151.4200 76.0000
M100 145.0000 162.7200 80.0000
M110 155.0000 174.0200 88.0000
M115 165.0000 185.3200 92.0000
M120 170.0000 190.9700 96.0000
M125 180.0000 202.2700 100.0000
M130 185.0000 207.7500 104.0000
M135 190.0000 213.4000 108.0000
M140 200.0000 224.7000 112.0000
M145 210.0000 236.0000 116.0000
M150 210.0000 236.0000 120.0000

 

Surface Treatments of Gr B7M Fasteners
  • Oxidized
  • Passivation
  • Electro Polished
  • Zinc Plating
  • Hot Dipped Galvanizing
  • Chrome Plating
  • Mirror Buffed
  • Epoxy Coating
  • Teflon Coating

 

ASME SA 193 Gr B7M Square Bolts Dimensions
Bolt Size D F C H
Diameter Width Across Flats Width Across Corners Height
Maximum Basic Maximum Minimum Maximum Minimum Basic Maximum Minimum
1/2 0.515 3/4 0.750 0.725 1.061 0.995 21/64 0.348 0.308
5/8 0.642 15/16 0.938 0.906 1.326 1.244 27/64 0.444 0.400
3/4 0.768 11/8 1.125 1.088 1.591 1.494 1/2 0.524 0.476
7/8 0.895 15/16 1.312 1.269 1.856 1.742 19/32 0.620 0.568
1 1.022 11/2 1.500 1.450 2.121 1.991 21/32 0.684 0.628
11/8 1.149 111/16 1.688 1.631 2.386 2.239 3/4 0.780 0.720
11/4 1.277 17/8 1.875 1.812 2.652 2.489 27/32 0.876 0.812
13/8 1.404 21/16 2.062 1.994 2.917 2.738 29/32 0.940 0.872
11/2 1.531 21/4 2.250 2.175 3.182 2.986 1 1.036 0.964
13/4* 29/16 13/16
2* 215/16 15/16

 

 

A193 B7M Washer Dimensions
Flat Washer Metric Form DIN 125A
D d1 d2 h
M1 1.1000 3.0000 0.3000
M1.2 1.3000 3.5000 0.3000
M1.4 1.5000 4.0000 0.3000
M1.6 1.7000 4.0000 0.3000
M1.7 1.8000 4.5000 0.3000
M2 2.2000 5.0000 0.3000
M2.3 2.5000 6.0000 0.5000
M2.5 2.7000 6.0000 0.5000
M2.6 2.8000 7.0000 0.5000
M3 3.2000 7.0000 0.5000
M3.5 3.7000 8.0000 0.5000
M4 4.3000 9.0000 0.8000
M5 5.3000 10.0000 1.0000
M6 6.4000 12.0000 1.6000
M7 7.4000 14.0000 1.6000
M8 8.4000 16.0000 1.6000
M10 10.5000 20.0000 2.0000
M12 13.0000 24.0000 2.5000
M14 15.0000 28.0000 2.5000
M16 17.0000 30.0000 3.0000
M18 19.0000 34.0000 3.0000
M20 21.0000 37.0000 3.0000
M22 23.0000 39.0000 3.0000
M24 25.0000 44.0000 4.0000
M27 28.0000 50.0000 4.0000
M30 31.0000 56.0000 4.0000
M33 34.0000 60.0000 5.0000
M36 37.0000 6.0000 5.0000
M39 40.0000 72.0000 6.0000
M42 43.0000 78.0000 7.0000
M45 46.0000 85.0000 7.0000
M48 50.0000 92.0000 8.0000
M52 54.0000 98.0000 8.0000
M55 57.0000 105.0000 9.0000
M56 58.0000 105.0000 9.0000
M58 60.0000 110.0000 9.0000
M60 62.0000 110.0000 9.0000
M64 66.0000 115.0000 9.0000
M68 70.0000 120.0000 10.0000
M72 74.0000 125.0000 10.0000
M76 78.0000 135.0000 10.0000
M80 82.0000 140.0000 12.0000
M85 87.0000 145.0000 12.0000
M90 93.0000 160.0000 12.0000
M95 98.0000 165.0000 12.0000
M100 104.0000 175.0000 14.0000
M105 109.0000 180.0000 14.0000
M110 114.0000 185.0000 14.0000
M115 119.0000 200.0000 14.0000
M120 124.0000 210.0000 16.0000
M125 129.0000 220.0000 16.0000
M130 134.0000 230.0000 16.0000
M135 139.0000 230.0000 16.0000
M140 144.0000 240.0000 18.0000
M145 149.0000 250.0000 18.0000
M150 155.0000 250.0000 18.0000
M160 165.0000 250.0000 18.0000

 

ASTM A193 Grade B7M Heavy Hex Bolts Dimensions
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

 

Drive Style of ASME SA193 gr B7M Fasteners

Drive Style of ASME SA193 gr B7M Fasteners

 

ASTM A193 Grade B7m Bolt size chart
HEX BOLTS DIMENSIONS - DIN 933
D1D1 K E S
M3 2 6.01 5.5
M4 2.8 7.66 7
M5 3.5 8.79 8
M6 4 11.05 10
M8 5.3 14.38 13
M10 6.4 18.9 17
M12 7.5 21.1 19
M14 8.8 24.49 22
M16 10 26.75 24
M18 11.5 30.14 27
M20 12.5 33.53 30
M22 14 35.72 32
M24 15 39.98 36
M27 17 45.2 41
M30 18.7 50.85 46
M33 21 55.37 50
M36 22.5 60.79 55
M42 26 71.3 65
M48 30 82.6 75

 

HEX BOLT DIMENSIONS - ISO 4017

 

D1D1 K E S
M3 2 6.01 5.5
M4 2.8 7.66 7
M5 3.5 8.79 8
M6 4 11.05 10
M8 5.3 14.38 13
M10 6.4 18.9 16
M12 7.5 21.1 18
M14 8.8 24.49 21
M16 10 26.75 24
M18 11.5 30.14 27
M20 12.5 33.53 30
M22 14 35.72 34
15 39.98 36
M27 17 45.2 41
M30 18.7 50.85 46
M33 21 55.37 50
M36 22.5 60.79 55
M42 26 71.3 65
M48 30 82.6 75

 

Typical Usage of B7M Fasteners

Typical use for B7M bolting includes sour gas service where Hydrogen Sulfide gas exposure may lead to Hydrogen embrittlement problems in hard alloys.


A193-B7M Bolts Weight Chart
Diameter M12 M16 M20 M22 M24 M27 M30 M36
Length
30 49.1
35 53.6
40 58.0 105
45 62.1 113 188
50 66.6 121 200 257
55 71.0 129 212 272
60 75.4 137 225 286 362
65 79.9 145 237 301 380
70 84.3 153 249 316 398 532
75 88.8 160 262 331 415 554 701
80 93.2 168 274 346 433 576 728
85 97.6 176 286 361 451 599 756 1184
90 102 184 298 375 467 621 784 1224
95 107 192 310 390 485 644 812 1264
100 199 322 405 503 665 838 1304
105 207 335 420 520 688 865 1336
110 215 347 435 538 710 893 1376
115 223 359 450 556 732 921 1415
120 231 372 465 574 755 949 1455
125 239 384 479 591 777 976 1495
130 247 396 494 609 800 1004 1535
135 409 509 627 822 1032 1575
140 421 524 645 845 1059 1615
145 433 539 662 867 1087 1655
150 446 554 680 890 1115 1695
155 458 569 698 912 1143 1735
160 584 716 935 1170 1775
165 599 733 957 1198 1815
170 751 979 1226 1855
175 769 1002 1254 1895
180 787 1024 1281 1935
185 804 1047 1309 1974
190 822 1069 1337 2014
195 840 1092 1365 2054
200 1114 1392 2094

 

Get Gr B7M Material for Sale
ASTM A193 Grand B7M Stud Bolt
ASTM A193 B7M Stud Bolts
ISO Approved ASTM A193 U Bolts
Stainless Steel B7M Studs
ASTM A 193 B7M Lag Bolt
ASTM A193 B7M Stud Bolts
Stainless Steel B7M Draw Bolt
B7M Grub Screw
ASTM A 193 B7M Heavy Hex Bolts
A193 B7M Hex Nut
Stainless Steel B7M Threaded Rod
B7M Hanger Bolt
ASTM A193 B7M Anchor Bolt
B7M Shoulder Bolt
B7M Stainless Steel Stud bolts
ASTM A 193 B7M Studs
A193 Grade B7M Bolts
B7M Shoulder Bolt
ASTM A 193 Tie Rod
ASTM A193 stud bolts
SA193 Nuts
ASTM A193 J Bolt
ASTM A 193 Eye Bolt
SS B7M Plow Bolt
SS B7M Step Bolt
ASTM A 193 B7M Stud Bolt

 

ASTM A193-B7m Studs Composition Chart
B7M C Mn P S Si Cr Mo
0.37-0.49 0.65-1.10 0.035 Max 0.04 Max 0.15-0.35 0.75-1.20 0.15-0.25
ASME SA193 B7M Threaded Rod Mechanical Analysis
Grade
Size
Tensile ksi, min
Yield, ksi, min
Elong, %, min
RA % min
B7M
Up to 2-1/2
125
105
16
50
2-5/8 – 4
115
95
16
50
4-1/8 – 7
100
75
18
50