item

standards

materials

functions

size

main features

remarks

seamless steel pipe

GB/T8162-1999

 carbon steel,20,45#, alloy steel Q345,20Cr,40Cr,20CrMo,30-35CrMo,42CrMo and so on

 structural stainless stee pipe

 6-820*1-70

 seamless steel pipe

 GB/T8163-1999

 20,Q345 and so on

fluid transfer stainless steel pipe

 6-820*1-70

 seamless steel pipe

 GB3087-1999

 10,20#

 low-middle press boiler pipe

6-820*1-70

 used for  low-middle press boiler, heat exchanger, steam transfer and so on

 seamless steel pipe

 GB5310-1995

 20G,12Cr1MoVG,15CrMoG

 stainless steel tube used for high pressure boiler

6-820*1-70

 high quality carbon steel, alloy steel, stainless&heat resisting steel

 API5L pipe

 API SPEC 5L, GB/T9711.2

 J55, K55, N80 and

X42,X52,X60,X65,X70

 API5CT petrolum casing pipe

 16-1016*4.5-36

 using for the oxygen, water and oil transmission of petroleum and gas quarry

 accurate stainless pipe used for internal combustion engine and boiler making

 DIN2391, 

DIN2445, 

EN10305, 

DIN1629, 

DIN1630, 

ASTM A179

 ST35(E235) ST37.4   ST45(E255) ST52(E355)

 stainless tube using for hydraulic pressure system, automoble making, engineering, aviation, vessel,  machine, diesel engine, petroleum chemical industry, boiler unit and power station

without oxidative horizon of the out or inner of the tube, undertake high pressure, high precise and no deformed

 main delivery status:NBK(+N) GBK(+A) BK(+C) BKW(+LC) BKS(+SR)