ASTM A193 Grade B16 U Bolts

ASTM A193 Grade B16 U Bolts

ASTM A193 Grade B16 U Bolts Boltport manufactures and supplies ASTM A193 Grade B16 U-Bolts with round and square bend. We produce both metric and imperial sized u-bolts with coarse, fine and extra fine threads and full compliance to ASTM A193 Grade B16 specification.

These b16 bent u-bolts can be used in high tensile bolting in boilers, pressure vessels, valves, pipeline flanges and fittings, intended for use in high-pressure or high-temperature service range between -20ºF (-30ºC) to +1100ºF (+593ºC).

Visit Specification page to find information on ASTM A193 Grade B16 chemical composition, mechanical properties, tensile strength, yield strength, hardness, heat treatment, thermal expansion, raw material properties, product marking, and referenced product standards, etc.,

For a quick quote on ASTM A193 Grade B16 U Bolts, please contact our sales team at

U Bolt Sizes & Thread Specifications

Pipe Sizes Metric DN 20 to DN500
Pipe Sizes Imperial ½" to 24"
Thread Standards ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643

U Bolt Standards

Imperial Metric
3570 -- B18.31.5 -- --

Applicable Coatings