ASTM A312 Stainless Steel Pipe

ASTM A312 stainless steel pipe refers to a specific type of stainless steel pipe that is manufactured according to the ASTM A312 standard. This standard specifies the requirements for seamless and welded austenitic stainless steel pipes used in high-temperature and corrosive environments. A312 stainless steel pipes are commonly used in industries such as chemical processing, oil and gas, food processing, and pharmaceuticals. They offer excellent corrosion resistance and high strength, making them suitable for various applications.

The most common grades are TP 304 and TP 316. Grades TP 304H, TP 304N, TP316H, TP316N, TP321H, TP347H and TP348H are modifications of Grades TP 304, TP 316, TP 321.Grades TP 347 and TP 348 and are intended for high-temperature service.

OD: NPS 1/8″ to 30″
WT: SCH 5S, 10S, 40S, 80S
Grade: TP304, TP304L, TP316, TP316L, TP309S, TP310S, TP317,TP317L,TP321,TP347,TP348,904L, 6%Mo (UNS S31254, UNS N08367, UNS N08926), 7%Mo (UNS S32654), 4%Si (UNS S30600), 5%Si (UNS S30601), 5%Si (UNS S32615), 6% Si (UNS S38815)
ASTM A312 / A312M – 19 Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. ASTM A312 316L properties and ASTM A312 316L chemical composition are listed in the ASTM A312 specification.

Grades TP304H, TP309H, TP309HCb, TP310H, TP310HCb, TP316H, TP321H, TP347H, and TP348H are modifications of Grades TP304, TP309Cb, TP309S, TP310Cb, TP310S, TP316, TP321, TP347, and TP348, and are intended for service at temperatures where creep and stress rupture properties are important.