Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


P12 High Temperature Steel Tube


Alloy steel pipe A333 A335 
Material:ASTM A335 
Pipe Diameter:1/2"-12" 
Steel grade:P1 P2 P5 P11

A335 alloy steel pipe

 P12 High Temperature Steel Tube

Standard :JIS Grade: A53-A369


Place of Origin: Tianjin China (Mainland)

Alloy or not: Alloy Brand


 GB5310  Seamless steel pipe for high pressure boiler

GB6479  High pressure seamless pipe for chemical fertilizer equipment

GB9948  Seamless steel tube for petroleum cracking tube

 ASTM A213 Seamless ferritic and austenitic alloy -steel boiler, superheater, and heat-exchanger tubes.

ASTM A335   Seamless Ferritic Alloy-steel pipe for high-temperature service

 JIS G3458    Alloy steel pipes (STPA 12/20/22/23/24/25/26)

JIS G3462    Alloy steel for boiler and heat exchanger tubes (STBA 12/13/20/22)

JIS G3467    Steel tubes for fired Heater (STF 410/STFA 12/22/23/24/25/26)


DIN 17175-79 Electrical Resistance or inductioin welded steel tubes for elevated temperature


 Cr5Mo  (STFA25 STPA25 STBA25 T5 P5)

15CrMo (STFA22,STPA22,STBA22 T12 P12)

Cr9Mo  (STFA26,STPA26,STBA26,T9,P9)

10Cr9Mo1VNb (T91 P91)

12Cr2Mo (T22 P22)

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