T91 steel tube is a type of seamless steel pipe. It is based on 9Cr1MoV steel to reduce carbon content, strictly limit the content of sulfur and phosphorus, and add a small amount of vanadium and niobium for alloying.
Outside diameter: 1/2''--5''
Thickness: Sch5--Sch XXS
Length: 0.5m-12m (custom made if length over 12m)
Chemical composition:
|
ASME SA213/SA213M |
Elements % |
||||||||
|
C |
Mn |
P ≤ |
S ≤ |
Si |
Cr |
Mo |
Ti |
V ≥ |
|
|
T91 alloy steel tube |
0.08-0.12 |
0.30-0.60 |
0.020 |
0.010 |
0.20-0.50 |
8-9.5 |
0.85-1.05 |
0.18-0.25 |
|
Alloy steel pipe T91 Mechanical Properties:
|
Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
|
585 min |
415 min |
20 min |
250 max |
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