ASTM A335/ASME SA335 P21 Alloy Steel Pipe
We hold the extensive range of ASTM A335/ASME SA335 P21 Alloy Steel Pipe in a variety of materials including P21,
ASTM A250 Boiler Tube Chemical composition table:
Chemical composition,% |
||||||
Grade |
C |
Mn |
Si |
P |
S |
Mo |
T1 |
0.10~0.20 |
0.30~0.80 |
0.10~0.50 |
0.025 |
0.025 |
0.44~0.65 |
T1a |
0.15~0.25 |
0.30~0.80 |
0.10~0.50 |
0.025 |
0.025 |
0.44~0.65 |
T1b |
0.14 |
0.30~0.80 |
0.10~0.50 |
0.025 |
0.025 |
0.44~0.65 |
Mechanical Propertise
Yield Strength, min |
Tensile Strength, min |
Elongation, min | |||
Grade |
Mpa |
Ksi |
Mpa |
Ksi |
% |
T1 |
205 |
30 |
380 |
55 |
30 |
T1a |
220 |
32 |
415 |
60 |
30 |
T1b |
195 |
28 |
365 |
53 |
30 |
FAQ
What is the size of casing?
Generally, casing sizes can range from 4.5 inches to 36 inches in diameter.
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