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Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes.
Application:
Seamless medium carbon steel tube for boiler and superheater-For manufacturing wall panel,economize,superheater and steam pipeline of boilers.
Details
Size:
O.D.: 1/2-5in.(12.7-127mm) W.T.: 0.035-0.500in.(0.9-12.7)mm Length: Max.15000mm.
Steel Grade and Chemical Composition(%)
| Grade |
C |
Mn |
P |
S |
Si |
| A-1 |
≤0.27 |
≤0.93 |
≤0.035 |
≤0.035 |
≥0.10 |
| C |
≤0.35 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥0.10 |
Mechanical Properties(Mpa)
| Grade |
Yield Point,Mpa(ksi) ≥ |
Tensile Point,Mpa(kis) ≥ |
Elongation(A%) ≥ |
| A-1 |
255(37) |
415(60) |
30 |
| C |
275(40) |
485(70) |
30 | | 
