ASTM A307 Studs, ASTM A307 Carbon Steel Bolts, ASTM A 307 Hex Bolts, ASTM A307 Threaded Rods, A307 Grade A Bolts Exporter in Worldwide.
TorqBolt Private Limited is one of the prominent traders and exporters of ASTM A307 BOLTS, which are carbon steel bolts, studs and threaded rod with 60 000 psi minimum tensile strength in sizes 1/4 in. through 4 in. Grade A is for general applications and Grade B is for flanged joints in piping systems with cast iron flanges. For ASME Boiler and Pressure Vessel Code applications the related specification is ASME SA-307.
Manufactured by using best quality of materials, these ASTM A307 Threaded Rods are being offered with assured resilience. These ASTM A307 bolts are hex bolts (Grade A) or heavy hex bolts (Grade B) to ASME B18.2.1 unless otherwise specified, with UNC Class 2A threads per ASME B1.1; threaded rod is threaded per ASME B18.31.3. Maximum hardness is 100 HRB for Grade A and 95 HRB for Grade B.
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, ASTM A307 Grade A Hex 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 two grades (Grades A and B) of carbon steel bolts and studs in sizes 1/4 in. through 4 in. Former Grade C has been replaced by ASTM F1554 Grade 36.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, 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 SA-307 Bolts Supplier in India- ASME, DIN, AS, BS
TorqBolt is a leading manufacturer and exporter of ASTM A307 Bolts in India. Our inventory includes astm a307 carbon steel bolts in Grades A and B, along with threaded rod/bar, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.
