ASTM F837 Socket Head Cap Screw Manufacturer in India
ASTM F837 fasteners
ASTM F837 Socket Head Cap Screw
Specification of ASTM F837 Socket Head Cap Screw
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 F837 Bolts Chemical Composition Chart
| Composition, %, maximum except as shown | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS Designation | Alloy Group | Alloy | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Copper | Molybdenum |
| Austenitic Alloys | |||||||||||
| S30300 | 1 | 303A | 0.15 | 2.00 | 0.200 | 0.150 min | 1 | 17.0 - 19.0 | 8.0 - 10.0 | -- | 0.60 maxB |
| S30400 | 1 | 304 | 0.08 | 2.00 | 0.045 | 0.03 | 1 | 18.0 - 20.0 | 8.0 - 10.5 | 1.00 | -- |
| A30403 | 1 | 304L | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 18.0 - 20.0 | 8.0 - 12.0 | 1.00 | -- |
| S30500 | 1 | 305 | 0.12 | 2.00 | 0.045 | 0.03 | 1 | 17.0 - 19.0 | 10.5 - 13.0 | 1.00 | -- |
| S38400 | 1 | 384 | 0.08 | 2.00 | 0.045 | 0.030 | 1 | 15.0 - 17.0 | 17.0 - 19.0 | -- | -- |
| S20300 | 1 | XM1A | 0.08 | 5.00 - 6.50 | 0.400 | 0.18 - 0.35 | 1 | 16.0 - 18.0 | 5.0 - 6.5 | 1.75 - 2.25 | 0.50maxB |
| S30430 | 1 | 18-9LW | 0.10 | 2.00 | 0.045 | 0.030 | 1 | 17.0 - 19.0 | 8.0 - 10.0 | 3.0 - 4.0 | -- |
| S30433 | 1 | 302HQ | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 17.0 - 19.0 | 8.0 - 10.0 | 3.0 - 4.0 | -- |
| S31600 | 1 | 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1 | 16.0 - 18.0 | 10.0 - 14.0 | -- | 2.0 - 3.0 |
| S31603 | 2 | 316 L | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 16.0 - 18.0 | 10.0 - 14.0 | -- | 2.0 - 3.0 |
| Martensitic Alloys | |||||||||||
| S41000 | 5 | 410 | 0.15 | 1.00 | 0.040 | 0.030 | 1 | 11.5 - 13.5 | -- | -- | -- |
ASTM F837 fasteners Mechanical Analysis
| Alloy Group | Condition | Nominal Thread DiameterA | Full Size Product | Machined Specimen | Core HardnessB | ||||
|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength, ksi | Minimum ExtensionC | Tensile Strength, ksi | Yield Strength, ksi | Minimum Elongation, % | Vickers | Rockwell | |||
| 1 | AF | 0.06 - 1.50 | 85 max | 0.6D | 85 max | 55 max | 40 | 210 max | 95 HRB max |
| 1 | CW | 0.06 - 1.75 | 80 min | 0.4D | 80 min | 40 min | 25 | 150 min | 50 HRA min |
| 1 | CW1 | 0.06 - 1.75 | 102 min | 0.4D | 87 min | 65 min | 20 | 220 min | 59 HRA min |
| 5 | HT | 0.06 - 0.19 | 180 min | -- | -- | -- | -- | 350 - 423 | 36 - 43 HRC |
| 5 | HT | 0.06 - 1.50 | 180 min | 0.2D | 160 min | 120 min | 12 | 350 - 423 | 36 - 43 HRC |
ASTM F837 Hex Bolts Mechanical Tests
| Item | Product Length | Hardness | Test Condusted on Full Size Product | Test Condusted on Machined Test Specification | ||||
|---|---|---|---|---|---|---|---|---|
| max | min | Extension | Axial Tensile Strength | Yield Strength 0.2% offset | Tensile Strength | Elongation | ||
| 1 | ≤3 DA | B | B | -- | -- | -- | -- | -- |
| 2 | >3 D-12in. | B | -- | B | B | -- | -- | -- |
| 3 | Over 12 in. | B | -- | A | A | B | B | B |
ASTM F837 Tensile Strength chart
| Nominal Size | Stress Area | Alloy Group 1 | Alloy Group 5 | ||
|---|---|---|---|---|---|
| AF max | CW min | CW1 min | HT min | ||
| 0.060-80 | 0.0018 | 153 | 144 | 183 | 288 |
| 0.073-64 | 0.00263 | 223 | 210 | 267 | 420 |
| 0.073-72 | 0.00278 | 236 | 222 | 283 | 444 |
| 0.086-56 | 0.00370 | 314 | 296 | 377 | 592 |
| 0.086-64 | 0.00394 | 334 | 315 | 401 | 630 |
| 0.099-48 | 0.00487 | 414 | 390 | 497 | 779 |
| 0.099-56 | 0.00523 | 445 | 418 | 533 | 837 |
| 0.112-40 | 0.00604 | 513 | 483 | 615 | 966 |
| 0.112-48 | 0.00661 | 562 | 529 | 674 | 1060 |
| 0.125-40 | 0.00796 | 676 | 636 | 811 | 1270 |
| 0.125-48 | 0.0083 | 706 | 665 | 848 | 1330 |
| 0.138-32 | 0.00909 | 772 | 727 | 927 | 1450 |
| 0.138-40 | 0.01015 | 862 | 811 | 1035 | 1620 |
| 0.164-32 | 0.01400 | 1191 | 1121 | 1429 | 2240 |
| 0.164-36 | 0.01474 | 1252 | 1178 | 1502 | 2360 |
| 0.190-24 | 0.0175 | 1490 | 1403 | 1788 | 2800 |
| 0.190-32 | 0.02000 | 1699 | 1600 | 2039 | 3200 |
| 0.250-20 | 0.03180 | 2705 | 2546 | 3246 | 5090 |
| 0.250-28 | 0.03640 | 3092 | 2910 | 3710 | 5820 |
| 0.312-18 | 0.05240 | 4457 | 4194 | 5348 | 8380 |
| 0.312-24 | 0.05800 | 4936 | 2654 | 5923 | 9280 |
| 0.375-16 | 0.07750 | 6 587 | 6 199 | 7 904 | 12 400 |
| 0.375-24 | 0.08780 | 7 465 | 7 026 | 8 958 | 14 000 |
| 0.437-14 | 0.1063 | 9 036 | 8 505 | 10 843 | 17 000 |
| 0.437-20 | 0.11870 | 10 091 | 9 497 | 12 109 | 19 000 |
| 0.500-13 | 0.14190 | 12 061 | 11 352 | 14 474 | 22 700 |
| 0.500-20 | 0.15990 | 13 596 | 12 796 | 16 315 | 25 600 |
| 0.625-11 | 0.22600 | 19 210 | 18 080 | 23 052 | 36 200 |
| 0.625-18 | 0.25600 | 21 756 | 20 477 | 26 108 | 41 000 |
| 0.750-10 | 0.33400 | 28 429 | 26 757 | 34 115 | 43 400 |
| 0.750-16 | 0.37300 | 31 702 | 29 837 | 38 042 | 59 700 |
| 0.875-9 | 0.46200 | 39 247 | -- | -- | 73 900 |
| 0.875-14 | 0.50900 | 43 305 | -- | -- | 81 400 |
| 1.000-8 | 0.60600 | 51 488 | -- | -- | 97 000 |
| 1.000-12 | 0.66300 | 56 359 | -- | -- | 106 000 |
| 1.125-7 | 0.76300 | 64 878 | -- | -- | 122 000 |
| 1.125-12 | 0.85600 | 72 736 | -- | -- | 137 000 |
| 1.250-7 | 0.96900 | 82 374 | -- | -- | 155 000 |
| 1.250-12 | 1.07300 | 91 200 | -- | -- | 172 000 |
| 1.375-6 | 1.15500 | 98 165 | -- | -- | 185 000 |
| 1.375-12 | 1.31500 | 111 751 | -- | -- | 210 000 |
| 1.500-6 | 1.40500 | 119 446 | -- | -- | 225 000 |
| 1.500-12 | 1.58100 | 134 387 | -- | -- | 253 000 |