Introduction to A515Gr70 American Standard Boiler Vessel Plate
A515Gr70 steel is an austenitic coarse-grained steel for ASME standard pressure vessels, which is mainly used in the manufacture of medium and high temperature welded boilers and pressure vessels.
Chemical composition |
| Tabulation: Depu Steel Date: 2024-01-18 |
| C |
Si |
|
Mn |
P |
S |
| ≤0.31 |
0.15-0.40 |
≤1.2 |
≤0.025 |
≤0.025 |
Note:
(1): In order to improve the properties of steel, other trace alloying elements other than the above table can be added, and the data comes from the network and is for reference only.
(2): The allowable deviation of the chemical composition of the finished steel plate shall comply with the provisions of GB/T222 A515Gr70 container plate size tolerance:
according to the provisions of
ASME SA20/SA20M.
Surface quality: according to ASME SA20/SA20M regulations.
Ultrasonic flaw detection: according to ASME SA20/SA20M regulations.
Allowable deviation of chemical composition: according to ASME SA20/SA20M regulations.
Packaging, marking and quality certificates: according to ASME SA20/SA20M regulations. A515Gr70 container plate production process:
electric furnace smelting→LF/VD furnace refining→ ingot → ingot cleaning→ ingot heating→ rolling plate → flaw detection→ normalizing → steel plate grinding→ cutting and sampling→ performance inspection → warehousing
