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Sa387gr22cl2 steel plate for hydrogen equipment
來源: | 作者:pmod34d68 | 發布時間: 2019-11-09 | 1143 次瀏覽 | 分享到:
Technical conditions for the supply of hydrogen sa387gr22cl2 (2.25Cr-1Mo) steel plate domestic production by Wuyang Steel Plant adopts electric furnace steelmaking, raw material, raw material, steel purity, high quality, cost and price are also relatively expensive.
Technical conditions for the supply of hydrogen sa387gr22cl2 (2.25Cr-1Mo) steel plate domestic production by Wuyang Steel Plant adopts electric furnace steelmaking, raw material, raw material, steel purity, high quality, cost and price are also relatively expensive.

SA387GR22CL231616;- 20171;
Scope of application the technical conditions are applicable to the production of sa387gr22cl2 (21 / 4cr-1mo) steel plate for hydrogen equipment with thickness ≤ 150 mm.

Wuyang Iron and Steel Co., Ltd

Sa387gr22cl2 executive standard
American Standard: the size, shape, weight and allowable deviation of ASTM ASME steel plate shall conform to ASME sa387 / sa387m standard.

Sa387gr22cl2 delivery status
The steel plate shall be delivered in normalizing (ensure the accelerated cooling speed of bainite structure ≥ 90%) and tempering state. The normalizing temperature shall not exceed 968 ℃ and the tempering temperature shall not be lower than 720 ℃ Wuyang Steel works produces this kind of steel plate

Sa387gr22cl2 smelting method
Smelting method: electric furnace + LF / VD vacuum furnace refining method is adopted All steel plates shall be subject to simulated post weld heat treatment for test sample blanks. The process system is: maximum simulated post weld heat treatment: max. PWHT: 690 ± 14 ℃ × 26h; minimum simulated post weld heat treatment: min. PWHT: 690 ± 14 ℃ × 8-2h

Mechanical properties of sa387gr22cl2
During impact test, lateral expansion value and percentage of fibrous fracture shall be recorded for reference ② plate thickness t ≤ 25 mm, d = 2.0A; 25 mm < T ≤ 50 mm, d = 2.5A; 50 mm < T ≤ 100 mm, d = 3.0A; 100 mm < T ≤ 150 mm, d = 3.5A Ultrasonic inspection: flaw detection standard and qualification level are indicated in the small contract High temperature drawing: high temperature drawing temperature and performance index are indicated in the small contract According to the requirements of the contract (in the case indicated in the small contract), non-metallic inclusion detection and grain size detection (not coarser than grade 5) can be carried out under the maximum simulated post weld heat treatment system According to the requirements of the contract (if indicated in the small contract), the full thickness hardness test under the maximum simulated post weld heat treatment system can be carried out, Hb ≤ 220. Surface quality the surface quality of steel plates shall be in accordance with ASME sa387 / sa387m Temper embrittlement assessment test (indicated in the small contract if not required

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