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ASTM A453 Grade 660 Stud Bolts

A286 Stainless Steel Bolts and Fasteners manufacturer in India in various Threads, Dimensions and Sizes

Table Of Content:

ASTM A453 Grade 660 Stud Bolts

A superalloy with an iron base and nickel content is known as Grade 660 or A286. However, due to the alloy of A453 Gr 660 contains a high concentration of nickel, the metal is sometimes considered to be a nickel alloy rather than a stainless steel one. In addition to having high strength, the  UNS 66286 Threaded Rod further has remarkable corrosion resistance qualities up to 1300°F. Nevertheless, when aqueous media are present, the ASTM A453 Gr 660 Stainless Steel Bolt is known to exhibit moderate corrosion resistance properties.

It is possible to age-harden an austenitic alloy to increase its strength.a286 stainless steel bolts material. The classification of this alloy is a high strength one, yet, the applications of the A453 Gr 660 Class A/B/C/D Stud Boltsis appropriate for a low-pressure application when the application's temperature is high. The ideal application of ASTM A453 Grade 660 Stud Boltsas fasteners is frequently observed in pressure tanks or valve flanges. This particular standard addresses how different elements are included in the chemical makeup of the A286 Stainless Steel Fasteners. Besides its chemistry, like most other specifications, the ASTM A453 Gr 660 Cl.A Stud bolt is required to be put through various tests including tension test, hardness test as well as a stress-rupture test. 

And the specification also has prerequisites that the ASTM A453 Grade 660 bolts elongation, reduction of area, Brinell and Rockwell hardness, yield and tensile strength, among others, must all be met. The specification also discusses the requirements for Hardening and Solution Treatment forSA 453 Grade 660 Material with details in all classes.

 

Astm A453 Grade 660 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 A453 Grade 660 Stud Bolts Price in india

Description Per Unit (INR) Price in USD Price in EURO
Stainess Steel Bolts & Nuts - Stud Boltwith Nut, 7/8 X 150 Mm A453 Gr 660b, Astm A194 Gr8 996 13.55 11.06
Full Thread Stud+2 Heavy Hex Nuts/astma453 Gr. 660 Cl G/buffed7/8 X 150 Mm 1,062 14.45 11.79
Full Thread Stud+2 Heavy Hex Nuts/astma453 Gr. 660 Cl G/buffed7/8 X 170 Mm 1,062 14.45 11.79
66a-nuts/bolts/screws/washer Made Of Alloy Steel Including Stainless Steel Stud Bolt With 2 Hex Nuts, Gr-660 7/8 X 165mm 1,147 15.60 12.73
66a-nuts/bolts/screws/washer Made Of Alloy Steel Including Stainless Steel Stud Bolt With 2 Hex Nuts Gr-660 7/8 X140mm L 1,063 14.46 11.80
Stainless Steel Stud Bolt With 2 Heavy Hex Nuts To Asme Sa 453 Gr. 660b,8un Fullthread Size:1-7/8-8un X 935 Mm Length 99,058 1347.38 1099.81
Sa 453 Gr. 660b Stud Bolt With 2 Heavy Hex Nut-7/8 Unc X 140mm Lg. 1,493 20.31 16.58
Grade A453 660b- Stud Volt & 2 Nuts, 7/8 Unc X 235 Mm 570 7.75 6.33
Grade A453 660b- Stud Volt & 2 Nuts, 7/8 Unc X 310 Mm 751 10.21 8.34
Astm A453 Gr. 660a Ptfe Coated Stud Bolt With 2 Hex Nut 1 8un 2a X 7-1/4 Long(212.200/236.200 Kg) 1,414 19.23 15.70
7/8 X 155mm Stud Bolt C/w 2 Heavy Hex Nuts, A453 Gr.660 Class A 2,373 32.28 26.35
A 453-660 Stud Bolt With 2 Nut 7/8-8 Unc X 240 Mm Lg, 66 A-nuts/bolts/screws/washer Made Of Alloysteel Including Stainless 1,611 21.91 17.89

 

ASTM A286 Bolts Grade and Tensile Class
Property Description
Class A ...
Class B ...
Class C ...
Class D ...

 

A453 Gr 660 Class A/B/C/D Stud Bolts Packaging
A453 Gr 660 Class A/B/C/D Stud Bolts Packaging
A286 Fasteners Packaging

 

A286 AISI 660 of Heat Treatment Requirements
Grade Class Solutiona Treatment Hardening Treatment
660 A 1650 +/- 25 °F [900 +/-14 °C], hold 2 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool
B 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool
C 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and oil quench 1425 +/- 25 °F [775 +/- 14 °C] hold 16h, air cool followed by 1200 +/- 25 °F [650 +/- 14 °C], hold 16h, air cool
D 1650 +/- 25 °F [900 +/-14 °C], hold 2 h, min and liquid quench OR

1325 +/- 25 °F [720 +/- 14 °C] hold 16h, air cool followed by 1200 +/- 25 °F [650 +/- 14 °C], hold 16h, air cool

if neccessary to achieve properties, second age : 1200 +/- 25 °F [650 +/- 14 °C] hold 16h, air cool

  1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and liquid quench
651 A   hot-cold worked at 1200 °F[650] min with 15% min reduction in cross sectional area, stress-relief anneal at 1200 °F [650 °C] min or 4h, min
B   hot-cold worked at 1200 °F[650] min with 15% min reduction in cross sectional area, stress-relief anneal at 1350 °F [730 °C] min or 4h, min
662 A 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and liquid quench 1350 to 1400 °F [730 to 760 °C], hold 20h, furnace cool to 1200 +/- 25 °F [650 +/- 14 °C], hold 20h, air cool
B 1950 +/- 25 °F [1065 +/-14 °C], hold 2 h, min and liquid quench 1350 to 1400 °F [730 to 760 °C], hold 20h, furnace cool to 1200 +/- 25 °F [650 +/- 14 °C], hold 20h, air cool
665 A 1800 +/- 25 °F [980 +/-14 °C], hold 3 h, min and liquid quench 1350 to 1400 °F [730 to 760 °C], hold 20h, furnace cool to 1200 +/- 25 °F [650 +/- 14 °C], hold 20h, air cool
B 2000 +/- 25 °F [1095 +/-14 °C], hold 3 h, min and liquid quench 1350 to 1400 °F [730 to 760 °C], hold 20h, furnace cool to 1200 +/- 25 °F [650 +/- 14 °C], hold 20h, air cool
668 A 1650 +/- 25 °F [900 +/-14 °C], hold 2 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool
B 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool

 

 

a286 stainless steel bolts Standards
Product DIN ISO ASME UNI
Imperial Metric
Studs 976 -- B18.31.2 B18.31.1M 6610
Hex Bolts 931 4014 B18.2.1 B18.2.3.5M 5737
Heavy Hex Bolts 6914 7412 B18.2.1 B18.2.3.7M 5712
Hex Cap Screws 933 4017 B18.2.1 B18.2.3.1M 5739
Socket Head Cap Screws 912 4762 B18.3 B18.3.1M 5931
Set Screws 916 4029 B18.3 B18.3.1M 5929
Countersunk Screws 7991 10642 B18.3 B18.3.1M 5933
Hex Nuts 934 4032 B18.2.2 B18.2.4.1M 5588
Heavy Hex Nuts 6915 4775 B18.2.2 B18.2.4.6M 5713

 

Dimensions Table Of ASTM A453 Gr 660 Heavy Hex Bolts

ASTM A193 B6 Heavy Hex Bolt Dimension

Diameter (D)
Body Diameter (D)
Across the Flats (F)
Across the Corners ©
Head Height (H)
Thread Lengths (T)
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
< 6”
> 6”
1/2
0.515
0.482
0.875
0.85
1.01
0.969
0.364
0.302
1.25
1.5
5/8
0.642
0.605
1.062
1.031
1.227
1.175
0.444
0.378
1.5
1.75
3/4
0.768
0.729
1.25
1.212
1.443
1.383
0.524
0.455
1.75
2
7/8
0.895
0.852
1.438
1.394
1.66
1.589
0.604
0.531
2
2.25
1
1.022
0.976
1.625
1.575
1.876
1.796
0.7
0.591
2.25
2.5
1 1/8
1.149
1.098
1.812
1.756
2.093
2.002
0.78
0.658
2.5
2.75
1 1/4
1.277
1.223
2
1.938
2.309
2.209
0.876
0.749
2.75
3
1 3/8
1.404
1.345
2.188
2.119
2.526
2.416
0.94
0.81
3
3.25
1 1/2
1.531
1.47
2.375
2.3
2.742
2.622
1.036
0.902
3.25
3.5
1 3/4
1.785
1.716
2.75
2.662
3.175
3.035
1.196
1.054
3.75
4
2
2.039
1.964
3.125
3.025
3.608
3.449
1.388
1.175
4.25
4.5
2 1/4
2.305
2.214
3.5
3.388
4.041
3.862
1.548
1.327
4.75
5
2 1/2
2.559
2.461
3.875
3.75
4.474
4.275
1.708
1.479
5.25
5.5
2 3/4
2.827
2.711
4.25
4.112
4.907
4.688
1.869
1.632
5.75
6
3
3.081
2.961
4.625
4.475
5.34
5.102
2.06
1.815
6.25
6.

 

ASTM A453 UNS 66286 Bolt Dimensions

Hex Bolt Dimension

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

 

A286 Gr. 660 Bolts Size Chart

Bolt Size Chart

 

Type of ASTM A453 Grade 660 Bolts
Hr 51 Heavy Hex Bolts

Hr 51 Heavy Hex Bolts

ASTM A453 Gr 660 Lag Bolts

ASTM A453 Gr 660 Lag Bolts

SA453 Grade 660 Hex Bolts

SA453 Grade 660 Hex Bolts

A286 Grade 660 Hex Head Bolts

A286 Grade 660 Hex Head Bolts

ASTM A453 Grade 660 Double Ended Studs

ASTM A453 Grade 660 Double Ended Studs

ASTM A453 UNS 66286 T Nuts

ASTM A453 UNS 66286 T Nuts

A286 Grade 660 Square Nuts

A286 Grade 660 Square Nuts

ASTM A453 UNS 66286 Lock Nut

ASTM A453 UNS 66286 Lock Nut

 

Testing Conducted on UNS 66286 Threaded Rod
Testing Conducted on UNS 66286 Threaded Rod
  • 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

 

 

A453 Grade 660 Class A Metric Fastener Size
Dia. Coarse Fine
M10 1,5 1,25
M12 1,75 1,5
M14 2 1
M16 2 1
M18 2,5 1
M20 2,5 1,25
M22 2,5 1,25
M24 3 1,25
M27 3 1,5
M30 3,5 1,5
M33 3,5 2
M36 4 3
M39 4 3
M42 4,5 3
M45 4,5 3
M48 5 3
M52 5 3
M56 5,5 4
M64 6 4

 

 

Dimensions chart of A453 Gr 660 Cl D Washer

Flat Washer Metric DIN 125A  125

Dimensions chart of A453 Gr 660 Cl D Washer

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 A453 Gr.660 Cl.B Stress Rupture Requirements
Grade Class Test Temperature Stress, Min Time to Rupture Elongation
Deg F [ Deg C ] Ksi Mpa Min, h* Min %
660 A, B & C 1200 [650] 56 385 100 5
651 A & B 1200 [650] 40 275 100 5
662 A & B 1200 [650] 55 380 100 5
665 A 1200 [650] 75 515 100 3
B 1200 [650] 70 485 100 5

 

A286 Stainless Steel Stud Bolt Dimensions Schedule

Stud Metal End =1.1/2 D 4H Metric Coarse BS 4439

d b c l<125 c l<125<200 c l 200>
M3 5.0000 12.0000 18.0000  
M4 6.0000 14.0000 20.0000  
M5 8.0000 16.0000 22.0000  
M6 9.0000 18.0000 24.0000 37.0000
M7 11.0000 20.0000 26.0000 39.0000
M8 12.0000 22.0000 28.0000 41.0000
M10 15.0000 26.0000 32.0000 45.0000
M12 18.0000 30.0000 36.0000 49.0000
M14 21.0000 34.0000 40.0000 53.0000
M16 24.0000 38.0000 44.0000 57.0000
M18 27.0000 42.0000 48.0000 61.0000
M20 30.0000 46.0000 52.0000 65.0000
M22 33.0000 50.0000 56.0000 69.0000
M24 36.0000 54.0000 60.0000 73.0000
M27 41.0000 60.0000 66.0000 79.0000
M30 45.0000 66.0000 72.0000 85.0000
M33 50.0000 72.0000 78.0000 91.0000
M36 54.0000 78.0000 84.0000 97.0000

 

A286 shoulder Bolts Marking Requirements
Grade Class A Class B Class C Class D
Grade 660 660A 660B 660C 660D NR

 

Dimensions chart A453 Gr 660 Class C Hex Nut
Dimensions chart A453 Gr 660 Class C Hex Nut
D D s s max s min e max e min m m max m min
1/4" 0.2500 1/2" 0.5000 0.4880 0.5770 0.5560 15/64" 0.2500 0.2180
5/16" 0.3125 9/16" 0.5620 0.5460 0.6500 0.6220 19/64" 0.3140 0.2800
3/8" 0.3750 11/16" 0.6880 0.6690 0.7940 0.7630 23/64" 0.3770 0.3410
7/16" 0.4375 3/4" 0.7500 0.7280 0.8660 0.8300 27/64" 0.4410 0.4030
1/2" 0.5000 7/8" 0.8750 0.8500 1.0100 0.9690 31/64" 0.5040 0.4640
9/16" 0.5625 15/16" 0.9380 0.9090 1.0830 1.0370 35/64" 0.5680 0.5260
5/8" 0.6250 1.1/16" 1.0620 1.0310 1.2270 1.1750 39/64" 0.6310 0.5870
3/4" 0.7500 1.1/4" 1.2500 1.2120 1.4430 1.3820 47/64" 0.7580 0.7100
7/8" 0.8750 1.7/16" 1.4380 1.3940 1.6600 1.5890 55/64" 0.8850 0.8330
1" 1.0000 1.5/8" 1.6250 1.5750 1.8760 1.7960 63/64" 1.0120 0.9560
1.1/8" 1.1250 1.13/16" 1.8120 1.7560 2.0930 2.0020 1.7/64" 1.1390 1.0790
1.1/4" 1.2500 2" 2.0000 1.9380 2.3090 2.2090 1.7/32" 1.2510 1.1870
1.3/8" 1.3750 2.3/16" 2.1880 2.1190 2.5260 2.4160 1.11/32" 1.3780 1.3100
1.1/2" 1.5000 2.3/8" 2.3750 2.3000 2.7420 2.6220 1.15/32" 1.5050 1.4330
1.5/8" 1.6250 2.9/16" 2.5620 2.4810 2.9590 2.8280 1.19/32" 1.6320 1.5560
1.3/4" 1.7500 2.3/4" 2.7500 2.6620 3.1750 3.0350 1.23/32" 1.7590 1.6790
1.7/8" 1.8750 2.15/16" 2.9380 2.8440 3.3920 3.2420 1.27/32" 1.8860 1.8020
2" 2.0000 3.1/8" 3.1250 3.0250 3.6080 3.4490 1.31/32" 2.0130 1.9250
2.1/4" 2.2500 3.1/2" 3.5000 3.3880 4.0410 3.8620 2.13/64" 2.2510 2.1550
2.1/2" 2.5000 3.7/8" 3.8750 3.7500 4.4740 4.2750 2.29/64" 2.5050 2.4010
2.3/4" 2.7500 4.1/4" 4.2500 4.1120 4.9070 4.6880 2.45/64" 2.7590 2.6470
3" 3.0000 4.5/8" 4.6250 4.4750 5.3400 5.1020 2.61/64" 3.0130 2.8930
3.1/4" 3.2500 5" 5.0000 4.8380 5.7740 5.5150 3.3/16" 3.2520 3.1240
3.1/5" 3.5000 5.3/8" 5.3750 5.2000 6.2070 5.9280 3.7/16" 3.5060 3.3700
3.3/4" 3.7500 5.3/4" 5.7500 5.5620 6.6400 6.3410 3.11/16" 3.7600 3.6160
4" 4.0000 6.1/8" 6.1250 5.9250 7.0730 6.7550 3.15/16" 4.0140 3.8620

 

a286 fasteners Related ASTM Specifications
  • ASTM A453 / A453M – 16 : Specifications for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels
  • ASTM A1082 / A1082M – 16 : Specifications for High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications
  • ASTM F2281 : Specifications for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications Designation
  • ASTM A1014 / A1014M – 16 : Specifications for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
  • ASTM A962 / A962M – 16a : Specifications for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range
  • ASTM A638 / A638M : Specifications for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service

 

DIN /BS Grades of ASTM A453 Gr 660 Cl.A Stud bolt
Hexagon Bolts / Set Screws Stud Bolts Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1

 


Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693
DIN 553 BS 2470 Spring Washers
DIN 438 DIN 127
BS 4168 BS 4464
BS 1802

 

SA 453 Grade 660 Material Surface Treatments
  • Oxidized
  • Passivation
  • Electro Polished
  • Zinc Plating
  • Hot Dipped Galvanizing
  • Chrome Plating
  • Mirror Buffed
  • Epoxy Coating
  • Teflon Coating

 

Industrial Application of UNS 66286 Threaded Rod
  • Pharmaceuticals
  • Specialty Chemicals
  • Sea Water Equipment
  • Petrochemicals
  • Gas Processing
  • Food Processing Industry
  • Heat Exchangers
  • Chemical Industry
  • Pharmaceutical Equipment
  • Power Generation
  • Supply Systems
  • General Purpose Applications
  • Off-Shore Oil Drilling Companies
  • Aircraft Exhaust Manifolds
  • Spiral Welded tube for burner pipes and flues

 

Chemical Composition of A453 Gr 660 Bolt
ELEMENT Grade 660 Grade 651 Grade 662 Grade 665 Grade 668
% % % % %
Carbon 0.08 max 0.28-0.35 0.08 max 0.08 max 0.08 max
Manganese 2.00 max 0.75-1.5 0.40-1.00 1.25-2.00 2.00 max
Phosphorus, max 0.040 max 0.040 max 0.040 max 0.040 max 0.040 max
Sulfur, max 0.030 max 0.030 max 0.030 max 0.030 max 0.030 max
Silicon 1.00 max 0.30-0.80 0.40-1.00 0.1-0.80 1.00 max
Nickel 24.0-27.0 8.0-11.0 24.0-28.0 24.0-28.0 17.5-21.5
Chromium 13.5-16.0 18.0-21.0 12.0-15.0 12.0-15.0 13.5-16.0
Molybdenum 1.00-1.50 1.00-1.75 2.0-3.50 1.25-2.25 1.50 max
Tungsten ... 1.00-1.75 ... ... ...
Titanium 1.9-2.35 0.1-0.35 1.80-2.10 2.70-3.30 2.20-2.80
Columbium * ... 0.25-0.6 ... ... ...
Aluminum 0.35 max   0.35 max 0.25 max 0.50 max
Vanadium 0.10-0.50   ... ... 0.50 max
Boron 0.001-0.010   0.001-0.010 0.01-0.07 0.001-0.010
Copper   0.50 max 0.50 max 0.25 max ...

 

SA453 Gr 660 Bolt Mechanical Properties
Size Class Tensile, Mpa Yield, Mpa Elong. %, min RA %, min
Grade 660 A, B , & C 895 min 585 min 15 18
  D 895 min 725 min 15 18
Grade 651 A 690 min 485 min 18 35
415 min
  B 655 min 415 min 18 35
345 min
Grade 662 A 895 min 585 min 15 18
  B 860 min 550 min 15 18
Grade 665 A 1170 min 830 min 12 15
  B 1070 min 830 min 12 15
Grade 665 A & B 895 min 858 min 15 18

 

Equivalent Grade of ASME SA453 Gr 660 Bolts
Werkstoff Numbers
  • EN 1.4944
  • EN 1.4943
  • EN 1.4980
European Specifications
  • X5NiCrTi26-15
  • X4NiCrTi25-15
  • X6NiCrTiMoVB25-15-2
ASTM Specifications
  • ASTM A891 (Type 1, 2)
  • ASTM A638 (Grade 660 Type 1, 2)
  • ASTM A453 (Grade 660 Class A, B, C, D)
ASME Specifications
  • ASME SA 891 (Type 1, 2)
  • ASME SA 638 (Grade 660 Type 1, 2)
  • ASME SA 453 (Grade 660 Class A, B, C, D)
GE Specifications
  • GE B50T1181C
  • GE B50T12A&C
  • GE B50T81A&C
  • GE C50TF78
  • GE C50TF27
  • GE C50TF20
AMS Specifications
  • A286 AMS 5726
  • A286 AMS 5731
  • A286 AMS 5732
  • A286 AMS 5734
  • A286 AMS 5735
  • A286 AMS 5736
  • A286 AMS 5737
  • A286 AMS 5853
  • A286 AMS 5895
Other Specifications & Compliance
  • UNS S66286
  • SAE J467-A286
  • EN 2399
  • PWA-LCS
  • GE-S400/1000
  • RR SABRe Edition 2
  • DFARS Compliant
  • SPS M-118
  • Fairchild MS 301
  • 314 Elliott Turbine MS 618 Weatherford WS-881
  • Cameron MS-003030

 

ASTM A453 Grade 660 Bolts Stock List
ASTM A453 GR 660 Heavy Hex Bolts
Grade 660 Shoulder Bolt
ASTM A453 GR 660 Class A Anchor Bolt
ASTM A453 660 Stud Bolts
ASTM A453 Eye Bolt
ASTM A453 GR 660 Class B Stud Bolt
Grade 660 Step Bolt
Stainless Steel GR 660 Studs
ISO Approved ASTM A453 U Bolts
SS Grade 660 Plow Bolt
Class D Nuts
GR 660 Grub Screw
Stainless Steel GR 660 Threaded Rod
ASTM A453 J Bolt

 

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