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Astm A193 B7 Bolts: 

ASTM A193 B7 is a standard specification for high tensile alloy steel bolting material for use in high temperature or high-pressure service and other special purpose applications. It covers material specification for bolting used in pressure vessel service, valves, flanges and fittings.

The minimum tensile strength for A193B7 is 125 ksi for diameters under 2-1/2”, and 115 ksi for 2-1/2” – 4” diameter. Hardness is probably the most significant difference between A193B7M & A193B7. The maximum hardness of astm a193 b7M is 235 HB or 99 HRB, while the maximum hardness of A193B7 is 321 HB or 35 HRC.

Astm A193 B7 Bolts Material:

For use in high temperature or high pressure service and other specialised applications, high tensile alloy steel bolting material must meet the standards of a193 gr b7. A standard specification that is appropriate for bolts used in pressure vessel service, valves, flanges, and fittings defines typical chemical composition, mechanical qualities, hardness requirement, preferential heat treatment, product labelling, certification, and other requirements. Both SI (Metric) and inch-pound units are defined in a193 b7.


Astm a193 grade b7 defines both SI (Metric) and inch-pound units. Grade B7 is a heat-treated chromium-molybdenum (Cr-Mo) alloy steel with minimum tensile strength requirement of 125 ksi, yield 105 ksi, and maximum hardness of 35HRC.

Astm A193 B7 Bolts Manufacturers

Ananka Group is the largest astm a193 grade b7 bolts manufacturer in India and offers one of the highest quality Nuts and Bolts. We are the leading High Tensile Nut Bolt Manufacturers in India.

Ananka Group is one of the leading Astm A193 Grade B7 Bolt Manufacturer and fasteners supplier. 

We have products available in all the High Tensile Nut Bolt Specification.

We are also one of the most well-known High Tensile Bolts Manufacturers. Ananka Group Supplies A Full Range Of a193 b7 Bolts.We are the leading Astm A193 Grade B7 Bolts Manufacturers.

The astm a193 grade b7 and ASTM A320 L7 Stud Bolts may also be utilized in settings where the ambient temperature dips as low as – 150ºF.

We also provide nut bolt weight chart in kg pdf to find the bolts best suited for your needs.

For More Details:

Product Page: Astm A193 Grade B7 Bolts Manufacturer In India

Website: hightensilenutbolts.com



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