Standard: JIS, GB, DIN, ASTM, API | Standard: JIS G3454-2007, JIS G3455-2005, GB/T ... | Grade: 10#-45#, 16Mn, ST35-ST52, Q195-Q345 |
Grade: 20#, 45#, 16Mn, St52, St42, Q345, Q195, ... | Thickness: 4 - 40 mm | Section Shape: Round |
Outer Diameter: 114-610mm | Place of Origin: China (Mainland) | Secondary Or Not: Non-secondary |
Application: Fluid Pipe | Technique: Hot Rolled | Certification: API |
Surface Treatment: paint | Special Pipe: API Pipe | Alloy Or Not: Non-alloy |
ASTM: 20# | ISO: black |
Standard | grade | chemical composition(%) | ||||||||
C | Si | Mn | P | S | Cu | Ni | Mo | Cr | ||
DIN 17175 | ST37 ST35.8 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.15 |
ASTM A106 ASTM A53 API5L | B | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
DIN 17175 | ST42 ST45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
DIN 1629 | Q345 ST52 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
