Huaqiang

ASME SA53/SA53M


Specification for hot-dipped, galvanized electric resistance welded, Grade B pipe, intended for use in mechanical and pressure applications

ASTM A691/A691M


This specification covers carbon and alloy steel pipe, electric-fusion-welded with filler metal added

ASTM A672/A672M


This specification covers steel pipe: electric-fusion welded with metal added, fabricated from pressure-vessel quality plate of any of several analyses and strength levels and suitable for high-pressure service at moderate temperatures.

ASTM A572/A572M


ASTM A572/A572M-21 test method covers the properties of high-strength low-alloy columbium-vanadium structural steel

ASTM A571/A571M


This specification2 covers austenitic ductile iron, Type D-2M, Classes 1 and 2, for compressors, expanders, pumps, valves, and other pressure-containing parts intended primarily for low-temperature service.

ASTM A519/A519M


ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing.
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