Alloy Steel Gr. B7 ASTM A193 Stud Bolts, ASTM A193 Bolts, ASTM A193 Grade B7 Square Bolts, ASTM SA193 Hex Bolts, ASTM A193 Screws Exporter in Worldwide.
TorqBolt Private Limited is one of the prominent suppliers and traders of ASTM A193 B7, where it is used for high temperature or high pressure bolting of pressure vessels, valves, flanges and fittings (ASTM A193/A193M 1.1). We owned a position of leading manufacturer and exporter of ASTM A193 B7 Fasteners, which is chromium-molybdenum alloy steel (typically AISI 4140, 4142 or 4145 per ASTM A193/A193M Table 1 note C). Owing to the efforts of our skilled professionals, we have been constantly engaged in offering a qualitative assortment of ASTM A194 nuts for B7 studs. Counted as also one of the prominent trader and stockist, we are engaged in offering a qualitative range of ASTM A193 B7 Bolts. With this far-reaching treasure trove of experience in ASTM A193 B7 bolting, we have established ourselves as an expert in threading technology.
We hold expertise in the domain of offering our valuable clients a premium range of ASTM A193 B7 Stud Bolts, which are liquid quenched and tempered at 1100°F [593°C] minimum (ASTM A193/A193M 6.1.5, Table 2). ASTM A193 B7 Screws has some first-rate features to offer such as Excellent durability, Rugged design, Designed precisely, Optimum grip and more. We assure clients that ASTM A193 B7 Hex Bolts is tested on various quality parameters, which are also known for their reliability. The assortment of ASTM A193 B7 Heavy Hex Bolts is acclaimed for high strength and fine finish, which is further appreciated for its sturdiness and dimensional accuracy. Accordance with the defined industry standards, these ASTM A193 B7 Threaded Bars suits the diverse requirements of our clients.
ASTM SA193 Alloy Steel Screws,ASTM A193 B7 AISI 4140 Bolts, ASTM A193 Studs, AISI 4142 Gr. B7 Threaded Rod Supplier in India.
Call Us for Best Prices for ASTM A193 Bolts, ASTM SA193 Hex Bolts Special Alloys!
Buy High Quality Alloy Steel A193 Stud Bolts, ASTM SA193 Studs! Call Us Now +91-22-66157087 Mail Us enquiry@torqbolt.com
Alloy Steel Grade B7 Bolts, ASTM A193 B7 Metric Hex Cap Screws, ASTM A193 B7 Hexagon Socket Screws, A193 B7 Flex Lock Bolts Manufacturer in Mumbai, India.
Production, Supply, Stock Range of ASTM A193 B7
Thread Diameters : Up to 2-1/2
Threads Configuration : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification : Dual Certified As per ASTM & ASME Codes
Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications (ASTM A193/A193M-20)
The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. The ASTM A193 specification covers bars, bolts, screws, studs, stud bolts, and wire. The material may be further processed by centerless grinding or by cold drawing. Below are some of the ASTM A193 grades used commonly by TorqBolt.
ASTM A193 B7 Bolts
| ASTM A193 B7 | Alloy steel, AISI 4140/4142 quenched and tempered |
ASTM A193 B7 Characteristics
| Grade | Description | Diameter | Tensile Strength, min. | Yield Strength, min. | Hardness, max. | Marking |
| ASTM A193 B7 | Chromium-Molybdenum | 2 1/2” and under | 125 | 105 | 321 HB or 35 HRC | B7 |
| over 2 1/2” to 4” | 115 | 95 | 321 HB or 35 HRC | |||
| over 4” to 7” | 100 | 75 | 321 HB or 35 HRC |
ASTM A193 B7 Chemical Properties
| Element | B7 (AISI 4140) |
| Carbon | 0.37 - 0.49% |
| Manganese | 0.65 - 1.10% |
| Phosphorus, max | 0.035% |
| Sulfur, max | 0.040% |
| Silicon | 0.15 - 0.35% |
| Chromium | 0.75 - 1.20% |
| Nickel | - |
| Molybdenum | 0.15 - 0.25% |
ASTM A193 B7 Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 - 7 | 100 | 75 | 18 | 50 |
ASTM A193 B7 Bolts Manufacturer, SA193 Bolts Supplier in India- ASME, DIN, AS, BS
TorqBolt is a leading manufacturer and exporter of astm a193 bolts in India. Our inventory includes astm sa193 stud bolts in many grades including Alloy Steel AISI 4140/4142/4145 bolts are readily available in all standard sizes.





