ASTM A213 T91 Alloy steel seamless pipe,A213 T91 steel tube Outer Diameter

A213 T91 steel pipe applied to Heating surface tubes for low and medium pressure boiler; ASTM A213 T91 steel pipe are also used to heating surface tubes for high-pressure, economizer, superheater, reheater, petrochemical industrial pipe,etc.

A213 T91 steel tube Chemical composition(%):
C:0.05-0.15 Mn:0.30-0.60 P:0.025 S:0.025 Si:0.50-1.00 Cr:2.65-3.35 Mo:0.80-1.06
ASTM A 213 T91 Alloy steel seamless tube Specification:
WT:1-50mm
Length:Max 13meter
Outer Diameter:10.3-508mm
Surface:Annealed/cold pilgered
Technique:Seamless
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