ASTM A449 Stud Bolts, ASTM A449 Hex Cap Screws, ASTM A449 Studs, ASTM A449 Medium Carbon Alloy Steel Bolts Exporter in Worldwide.
TorqBolt Private Limited is one of the prominent stockist and traders of ASTM A449 BOLTS, which are quenched and tempered steel hex cap screws, bolts and studs for general engineering use. These ASTM A449 hex bolts are made from Type 1 medium carbon or alloy steel or Type 3 weathering steel. These ASTM A449 Hex Cap Screws are quenched and then tempered at not less than 800°F.
Factory-made by specialists, obtainable ASTM A449 BOLTS is accessible in a number of lengths, sizes and thickness for to meet varied necessities of our customers. Our ASTM A449 hex cap screws have dimensions per ASME B18.2.1 and UNC Class 2A threads per ASME B1.1 unless otherwise specified. Due to its longer serviceable life and suave surface finish, these ASTM A449 BOLTS are extensively required by a number of customers. We provide ASTM A449 Square BOLTS to our appreciated clienteles, designed according to the industry standards and impart safety features and superior grip, being in custom. As a quality determined company, we are involved in offer a striking array of ASTM A449 Hex BOLTS, which are administered by using finest grade of fragmentary substance through efficient technology.
ASTM A449 Type 1 Medium Carbon 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 1 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 quenched and tempered steel hex cap screws, bolts and studs for general engineering use, furnished in diameters 1/4 to 3.0 in. inclusive, with minimum tensile strength of 120 ksi up to 1 in., 105 ksi over 1 to 1-1/2 in. and 90 ksi for 1-3/4 to 3 in. Two types are current: Type 1 (plain carbon, carbon boron, alloy or alloy boron steel) and Type 3 (weathering steel); Type 2 was withdrawn in 2003. The specification is in inch-pound units only. We manufacture and supply ASTM A449 Type 1 and Type 3 bolts and studs 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 A449 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 SA-449 Bolts Supplier in India- ASME, DIN, AS, BS
TorqBolt is a leading manufacturer and exporter of ASTM A449 Bolts in India. Our inventory includes carbon Alloy Steel Hex Bolts in Type 1 and Type 3, along with anchor bolts,threaded rods, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.





