ASTM A449 Specification
ASTM A449 Covers Specification for medium alloy carbon Alloy Steel Hex Bolts,anchor bolts,threaded rods etc. intended for general Engineering Apllication.RELIABLE PIPES & TUBES LTD. Manufactures , Stocks & Supply these Bolt Fasteners in various sizes & Coatings.
Related Keywords for ASTM A449 Specification : Astm A449 Specification,A449 bolts,A449 threaded rod,A449 anchor bolts,astm A449 Bolts etc.
Grades
| Type 1 | Medium carbon, carbon boron, or medium carbon alloy steel. |
|---|---|
| Type 3 | Weathering steel. |
Mechanical Properties
| Size | Tensile, ksi | Yield, ksi | Elong. %, min | RA %, min |
|---|---|---|---|---|
| 1/4 - 1 | 120 min | 92 min | 14 | 35 |
| 1-1/8 - 1-1/2 | 105 min | 81 min | 14 | 35 |
| 1-5/8 - 3 | 90 min | 58 min | 14 | 35 |
Material Chemical Composition
| Type 1 Bolts | ||||
|---|---|---|---|---|
| Element | Carbon Steel | Carbon Boron Steel | Alloy Steel | Alloy Boron Steel |
| Carbon | 0.30 - 0.52% | 0.30 - 0.52% | 0.30 - 0.52% | 0.30 - 0.52% |
| Manganese, min | 0.60% | 0.60% | 0.60% | 0.60% |
| Phosphorus, max | 0.040% | 0.040% | 0.035% | 0.035% |
| Sulfur, max | 0.050% | 0.050% | 0.040% | 0.040% |
| Silicon | 0.15-0.30% | 0.15-0.30% | 0.15-0.35% | 0.15-0.35% |
| Boron | 0.0005 - 0.003% | 0.0005 - 0.003% | ||
Material Chemical Composition
| Type 3 Bolts, Class * | ||||||
|---|---|---|---|---|---|---|
| ELEMENT | A | B | C | D | E | F |
| Carbon | 0.33 - 0.40% | 0.38 - 0.48% | 0.15 - 0.25% | 0.15 - 0.25% | 0.20 - 0.25% | 0.20 - 0.25% |
| Manganese | 0.90 - 1.20% | 0.70 - 0.90% | 0.80 - 1.35% | 0.40 - 1.20% | 0.60 - 1.00% | 0.90 - 1.20% |
| Phosphorus, max | 0.035% max | 0.06 - 0.12% | 0.035% max | 0.035% max | 0.035% max | 0.035% max |
| Sulfur, max | 0.040% | 0.040% | 0.040% | 0.040% | 0.040% | 0.040% |
| Silicon | 0.15 - 0.35% | 0.30 - 0.50% | 0.15 - 0.35% | 0.25 - 0.50% | 0.15 - 0.35% | 0.15 - 0.35% |
| Copper | 0.25 - 0.45% | 0.20 - 0.4% | 0.20 - 0.5% | 0.30 - 0.50% | 0.30 - 0.60% | 0.20 - 0.40% |
| Nickel | 0.25 - 0.45% | 0.50 - 0.80% | 0.25 - 0.50% | 0.50 - 0.80% | 0.30 - 0.60% | 0.20 - 0.40% |
| Chromium | 0.45 - 0.65% | 0.50 - 0.75% | 0.30 - 0.50% | 0.50 - 1.00% | 0.60 - 0.90% | 0.45 - 0.65% |
| Vanadium | 0.020% min | |||||
| Molybdenum | 0.06% max | 0.10% max | ||||
| Titanium | 0.05% max | |||||
Recommended Nuts & Washer
| Nuts | Washers | ||
|---|---|---|---|
| Plain | Galvanized | F436 | |
| 1/4 - 1-1/2 | 1-5/8 - 3 | 1/4 - 3 | |
| A563B Hex | A563A heavy hex | A563DH heavy hex | |
