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ASTM A307 Grade B Bolts, ASTM A307 Square Bolts, ASTM A307 Carbon Steel Studs, ASTM A307 Hex Headed Bolts Supplier in India.
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ASTM A307 60 000 PSI Tensile Strength Bolts, A307 Socket Head Cap Bolts, ASTM A307 Heavy Hex Bolts Manufacturer in Mumbai, India.
Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60000 PSI Tensile Strength
This specification covers the chemical and mechanical requirements for three grades (Grades A, B, and C) of carbon steel bolts and studs in specified sizes. However Grade C has been replaced by another specification under ASTM F1554 Grade 36. This specification does not cover the requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors, or other similar externally threaded fasteners. When tested, sampled specimens shall adhere to specified values for chemical composition, hardness, tensile strength, yield point, elongation, and dimensions.
ASTM A307 Grades
Grade A | Hex Headed Bolts, studs and threaded rods or any other bolting having a minimum tensile strength of 60 ksi, intended for general purpose applications. |
Grade B | Hex Headed Bolts, studs, and threaded rods or any other bolting having a tensile strength of 60 to 100 ksi and intended for flanged joints in piping systems. |
ASTM A307 Chemical Properties
Element | Grade A | Grade B |
---|---|---|
Carbon, max | 0.29% | 0.29% |
Manganese, max | 1.20% | 1.20% |
Phosphorus, max | 0.04% | 0.04% |
Sulfur, max | 0.15% | 0.05% |
ASTM A307 Mechanical Properties
Grade | Tensile, ksi | Yield, min, ksi | Elong %, min |
---|---|---|---|
A | 60 min | - | 18 |
B | 60 – 100 | - | 18 |
C* | 58 – 80 | 36 | 23 |
ASTM A307 Bolts Manufacturer, ASME A307 Bolts Supplier in India- ASME, DIN, AS, BS
Torq Bolt is a leading manufacturer and exporter of ASTM A307 Bolts in India. Our inventory includes astm a307 carbon steel bolts in many grades including 12 point Bolts, threaded rod/bar, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.