Specifications
1.Suitable for low temperature pressure vessel steel.2.Q/TDGG0040-2004--------- Companies Standard
3.high quality, low price
Standard:
Q/TDGG0040-2004--------- Companies Standard
Purpose:
Suitable for low temperature pressure vessel steel.
The main production steel grades:
09MnD
Mechanicalproperties:
Grade | Rm (MPa) | ReL (MPa) | A (%) | Impact Test | |
T (℃) | Kv ( J) | ||||
Q345C | 470~630 | ≥345 | ≥21 | 0 | ≥34 |
Q345D | 470~630 | ≥345 | ≥21 | -20 | ≥34 |
Q345E | 470~630 | ≥345 | ≥21 | -40 | ≥34 |
09MnD | 400~540 | ≥240 | ≥26 | -40 | ≥47 |
09MnNiD | 440~580 | ≥280 | ≥24 | -70 | ≥47 |
Chemicalcomposition:
Grade | C | Si | Mn | P | S | V |
09MnD | ≤0.12 | 0.17~0.37 | 0.95~1.35 | ≤0.025 | ≤0.015 | ≤0.03 |
OUR CUSTOMER