2.Thickness: SCH10S~SCH.XXS (1.24MM~35MM)
3.Material:10#/20#/API5L/A106B/A53B
4.FOB Price:650-1200USD
Classification | Letter symbol of grade | Traditional symbol |
Carbon steel pipe | STPL 380 | STPL 39 |
Nickel steel pipe | STPL 450 STPL 690 | STPL 46 STPL 70 |
Letter symbol of grade | C | Si | Mn | P | S | Ni |
STPL 39 | 0.25max | 0.35max | 1.35max | 0.035max | 0.035max | - |
STPL 46 | 0.18max | 0.10-0.35 | 0.30-0.60 | 0.030max | 0.030max | 3.2-3.8 |
STPL 70 | 0.13max | 0.10-0.35 | 0.10-0.35 | 0.90max | 0.030max | 8.5-9.5 |
Letter symbol or grade | Tensile strength,N/mm2 | Yield strength,N/mm2 | Elongation,% | |
Longitudinal | Transverse | |||
STPL 380 | 380 min | 205 min | 35 min | 25 min |
STPL 450 | 450 min | 245 min | 30 min | 20 min |
STPL | 690 min | 320 min | 21 min | 15 min |