ASTM A574 Socket Head Cap Screws Manufacturer in India
ASTM A574 Bolts
ASTM A574 Socket Head Cap Screws
Specification Schedule of ASTM A574 Socket Head Cap Screws
| ASTM A574 Bolt Type | ASTM A574 Anchor Bolt, Carriage Bolt, Flange Bolt, 12 Point Bolt, Hex and Hex Flange Bolts, Hex Head Cap Screw, Place Bolt, Socket Head Cap Screws, Hanger Bolt, Hexagon Bolt / Tap Bolt, Lag Bolt, Machine Bolt, Plow Bolt, Shoulder Bolt, Square Head Bolt, Stud Bolt, T-Head Bolt, Toggle Bolt, U-Bolt |
|---|---|
| Inch | #0000 -3" (customized sizes available) |
| Metric | M1.6 - M48 |
| Length | Customized Length |
| Grade | Non Ferrous, 12.9, 10.9, 9.8, 8.8, 5.8, 4.6, B7, 2, 5, 8, L9 |
| Material | Brass, Bronze / Copper Base Alloy, Copper, Molybdenum, Steel, Hardened Steel, Stainless Steel, Superalloy (Inconel, 718 Bolts, Hastelloy, Monel), Titanium, Exotic Metals, Other |
| Method | Cold forming, Hot Forging, Wire Forming |
| Fastener Standards | ASME / ANSI, BS, DIN, ISO, JIS, SAE, Other |
| Application Industries & uses | Agriculture, Automotive, Construction and Infrastructure, Energy, Transportation |
| Testing Methods | ASTM E38, E76 and E354, ASTM E53, E54, E62, E75 and E478, ASTM E34, E101 and E227, ASTM E 120 and E1409. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Thread Diameters | M6 to M36 |
| Certification | Dual Certified As per ASTM & ASME Codes |
ASTM A574 Screws Chemical Compatibility Chart
| Element | Heat Analysis % | Product Analysis % |
|---|---|---|
| Carbon, min | 0.33 | 0.31 |
| Phosphorus, max | 0.035 | 0.040 |
| Sulfur, max | 0.040 | 0.045 |
ASTM A574 Hex Bolt Mechanical Characteristics
| Property | Less than, or equal to, 0.500" dia. | Greater than 0.500" dia. |
|---|---|---|
| Tensile or Wedge tensile strength, ksi min | 180 | 170 |
| Proof Load (stress), ksi | 140 | 135 |
| Rockwell (HRC) | 39 - 45 | 37 - 45 |
| Property | Less than, or equal to, 0.500" dia. | Greater than 0.500" dia. |
|---|---|---|
| Yield strength at 0.2% offset, ksi min | 153 | 153 |
| Tensile Strength, ksi min | 180 | 170 |
| Elongation in 5D, min | 10% | 10% |
| Reduction of Area, min | 35% | 35% |
ASTM A574 Tensile Requirements
| Screw Dia (D), inch | Threads/inch | Tensile Load, min, lbf A | Stress Area, in2B | Proof Load, min, lbfC |
|---|---|---|---|---|
| 0.073 | 64 | 473 | 0.00263 | 368 |
| 0.086 | 56 | 666 | 0.00370 | 518 |
| 0.099 | 48 | 877 | 0.00487 | 682 |
| 0.112 | 40 | 1090 | 0.00604 | 846 |
| 0.125 | 40 | 1430 | 0.00796 | 1110 |
| 0.138 | 32 | 1 640 | 0.00909 | 1270 |
| 0.164 | 32 | 2520 | 0.0140 | 1960 |
| 0.190 | 24 | 3150 | 0.0175 | 2450 |
| 0.250 | 20 | 5730 | 0.0318 | 4450 |
| 0.3125 | 18 | 9440 | 0.0524 | 7340 |
| 0.375 | 16 | 13900 | 0.0775 | 10800 |
| 0.4375 | 14 | 19100 | 0.1063 | 14900 |
| 0.500 | 13 | 25 500 | 0.1419 | 19 900 |
| 0.625 | 11 | 38400 | 0.226 | 30500 |
| 0.750 | 10 | 56 800 | 0.334 | 45 100 |
| 0.875 | 9 | 78500 | 0.462 | 62400 |
| 1.000 | 8 | 103000 | 0.606 | 81800 |
| 1.125 | 7 | 129000 | 0.763 | 103000 |
| 1.250 | 7 | 165000 | 0.969 | 131000 |
| 1.375 | 6 | 196000 | 1.155 | 156000 |
| 1.500 | 6 | 239000 | 1.405 | 190000 |
| 1.750 | 5 | 323000 | 1.900 | 256000 |
| 2.000 | 4-1/2 | 425000 | 2.500 | 338000 |
| 2.250 | 4-1/2 | 552000 | 3.250 | 439000 |
| 2.500 | 4 | 680000 | 4.000 | 540000 |
| 2.750 | 4 | 838000 | 4.930 | 666000 |
| 3.000 | 4 | 1010000 | 5.970 | 806000 |
| 3.250 | 4 | 1 210 000 | 7.100 | 958 000 |
| 3.500 | 4 | 1420000 | 8.330 | 1120000 |
| 3.750 | 4 | 1640000 | 9.660 | 1300000 |
| 4.000 | 4 | 1880000 | 11.080 | 1500000 |