kwk steel co., ltd
Carbon steel tubes A106
Boiler Tubes-ASTM A106/ASME SA106
Standard specification for technical delivery conditions of seamless carbon steel pipe, suitable for high temperature service.
Available Steel Grade: Gr.A, Gr.B, Gr.C.
Size: OD 6.0-273.1mm, WT 0.5-50mm, Max.Length 13500mm.
Grade and Chemical Composition(%)
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≥ |
Cr≤ |
Cu≤ |
Mo≤ |
Ni≤ |
V≤ |
A |
0.25 |
0.27-0.93 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
B |
0.30 |
0.29-1.06 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
C |
0.35 |
0.29-1.06 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.4 |
0.08 |
Mechanical Properties:
Grade |
Rm Mpa Tensile Strength(Mpa) |
Yield Point (Mpa) |
Elongation (%) |
Delivery Condition |
A |
≥330 |
≥205 |
20 |
Annealed |
B |
≥415 |
≥240 |
20 |
Annealed |
C |
≥485 |
≥275 |
20 |
Annealed |