Steel Grade: P91
Out Diameter: 219-1422 mm ( 8"-56"), tolerance: ±1%
Wall Thickness: 9.53-140mm
Length: 6-11.8Meter
Seamless steel pipe
Surface: bare, black varnish or light
oiled
Pipe End: Plain or
Beveled (Can be Protected By Plastic Pipe Cap)
NDE: UT, ET or Hydraulic
testing
Straightness: WT<30mm, not more than 2mm per meter
WT≥30mm, not more than 3mm per
meter
Others: According ASME SA335 standard
Yangzhou
Chengde (YC) is one of the best steel pipe manufacturers in the world, and the
production diameter from 8" to 48" in OD and wall thickness from 9.53 mm up to
140mm. We can produce the boiler steel pipe and thermal
power steel pipe according to the ASTM A335 and ASME SA335 standards. In
recently 10 years, we have been exported about 300000 tons P11, P12, P22, P91, P92
P5, P9 and P36 steel pipe to India,
Japan, Korea, So…