Stainless steel pipe ASTM A312 has 4 main grades TP304/304L, TP316/316L. TP304/TP304L and TP347 are included in ASME pressure vessel code and the Chemical Plant and Refinery Piping Code, These steel tubes are safe to be used in temperatures as low as −425 °F [−250 °C] without impact tests qualification.
TJC IRON & STEEL (GRUP) CO.،. Limited / TJC STEEL عرضه کننده اصلی ، توزیع کننده و تولید کننده ASTM A312 / A312M A312 TP321 ضد زنگ ، لوله های استنلس استیل UNS S32100 در چین است. شرکت TJC IRON & STEEL (GROUP) شرکت TJC IRON & STEEL (GROUP) با فعالیت در زمینه
: Designation: A312/A312M − 17 Used in USDOE-NE standardsStandard Specif i cation forSeamless, Welded, and Heavily Cold Worked AusteniticStainless Steel Pipes 1This standard is issued under the f i xed designation A312/A312M; the number immediately following the designation indicates the yearof …
Pipe having other dimensions is permitted to be ordered and furnished provided such pipe complies with all other requirements of this specification. 1.5 Grades TP321 and TP321H have lower strength requirements for pipe manufactured by the seamless process in nominal wall thicknesses greater than ³/ 8 in. [9.5 mm].