ASTM A449 Stud Bolts, ASTM A449 Hex Cap Screws, ASTM A449 Studs, ASTM A449 Medium Carbon Alloy Steel Bolts Exporter in Worldwide.
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ASTM A449 Medium Carbon Martensite Steel Bolts, ASTM A449 Weathering Steel Bolts, ASTM A449 Square Bolts, A449 Hex Bolts Supplier in India.
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ASTM A449 Screws, ASTM A449 Socket Head Cap Bolts, ASTM A449 Type 1 Bolts, Type 2 Carbon Boron Steel Bolts Manufacturer in Mumbai, India.
Production, Supply, Stock Range of ASTM A449 Bolts
Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
This specification covers chemical and mechanical requirements for two types of quenched and tempered steel bolts and studs, intended for use in general application with high strength requirement. ASTM A449 specification includes type 1 medium carbon steel bolts and studs manufactured in diameter 1/4 inch to 3 inch for imperial connections and from M6 to M76 for metric connections; Whereas A449 type 2 is low carbon martensite steel bolts and studs manufactured in diameter 1/4 inch to 1 inch for imperial connections and M6 to M24 for metric connections. Ferrobend manufactures and supplies ASTM A449 Type 1 & Type 2 Bolts, Studs, etc with fine precision, superior integrity along with EN 10204 Type 3.1 Certification.
A449 Fasteners are designated by type denoting chemical composition as follows:
Grades
| TYPE | DESCRIPTION |
| TYPE 1 | Plain Carbon Steel, Carbon Boron Steel, Alloy Steel, Alloy Boron Steel |
| TYPE 3 | Weathering Steel |
ASTM A354 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 | 0.04% | 0.04% | 0.04% | 0.04% |
| Sulfur, max | 0.05% | 0.05% | 0.04% | 0.04% |
| Silicon | 0.15-0.30% | 0.10 – 0.30% | 0.15 – 0.35% | 0.15 – 0.35% |
| Boron | 0.0005 – 0.003% | 0.0005 – 0.003% |
Type 3 Bolts
| 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 | 0.035% max | 0.06 – 0.12% | 0.035% max | 0.035% max | 0.04% | 0.04% |
| Sulfur, max | 0.04% | 0.04% | 0.04% | 0.04% | 0.04% | 0.04% |
| 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 – 0.40% | 0.20 – 0.50% | 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 |
ASTM A449 Material 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 |
ASTM A449 Bolts Manufacturer, ASME A449 Bolts Supplier in India- ASME, DIN, AS, BS
Torq Bolt is a leading manufacturer and exporter of ASTM A449 Bolts in India. Our inventory includes carbon Alloy Steel Hex Bolts in many grades including 12 point Bolts, anchor bolts,threaded rods, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.
