Chemical composition of ASTM A 671 grade CC 70:
Specification | Steel grade | Chemical composition of ASTM A 671 grade CC 70: | Remarks | |||||
C | Si | Mn | P | S | Ti | |||
Pipes for pressure service | -/A45 | -/0.17 | - | 0.98 | 0.035 | 0.035 | - | A671/ |
ASTM A671, A672 | -/A50 | -/0.22 | - | A672 | ||||
CA55/A55 | 0.28 | - | ||||||
-/B55 | -/0.20 | 0.13 | ||||||
CB60/B60 | 0.24 | ~0.45 | ||||||
CB65/B65 | 0.28 | |||||||
CB70/C70 | 0.31 | 1.3 | ||||||
-/C55 | -/0.18 | 0.55 | ||||||
CC60/C60 | 0.21 | ~0.98 | ||||||
CC65/C65 | 0.24 | 0.79 | ||||||
CC70/C70 | 0.27 | ~1.30 | ||||||