SA213 T21 steel is the part of ASTM A213 Standard Specification for seamless Ferritic and Austenitic Alloy-Steel Boiler,Super Heater,Heat-Exchanger Tubes.
ASTM A213/ASME SA213 T21 seamless steel Tube Chemistry Composition
C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Mo, % |
|
0.10-0.20 |
0.30-0.61 |
0.025 max |
0.025 max |
0.10-0.30 |
0.50-0.81 |
0.44-0.65 |
ASTM A213/ASME SA213 T21 Tube Mechanical Properties
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
|
415 min |
205 min |
30 min |
163 max |
SA213 T21 steels are mostly used in Resistant high and low temperature or resistant Corrosion-resistant in the oil, chemical, electric powder industry.
ASTM A213/ASME SA213 T21 seamless steel tube technique
Hot-dipped,Electric-dipped.cold drawn.hot rolled
ASTM A213/ASME SA213 T21 seamless steel tube surface
black painting, anti-corrosion oil, galvanized or as required by customer
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