Invited by HBIS WUSTEEL to visit and cooperate together on SA387 GR22 CL2 plate
Details of Cooperative Activities：
Material:SA387 GR.22 CL2
Thickness:60mm，40mm,20mm
- Brief introduction：Production of sa387gr22cl2 (2 1 / 4cr-1mo) steel plate for hydrogen equipment with thickness ≤ 150 mm
- Standard:ASME SA387/SA387M
- Delivery condition:The steel plate shall be delivered in normalizing (to 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 ℃
- Chemical composition:
Component CSiMnPSCrVMoNbHeat analysis 0.05~0.15≤0.100.30~0.60≤0.010≤0.0052.00~2.50≤0.0100.90~1.10≤0.010Product analysis 0.04~0.15≤0.100.25~0.63≤0.010≤0.0051.95~2.60≤0.0100.87~1.13≤0.010
| Component | Al | Ni | Cu | Ti | |||||
| Heat analysis | ≤0.06 | ≤0.20 | ≤0.15 | ≤0.010 | |||||
| Product analysis | ≤0.06 | ≤0.25 | ≤0.15 | ≤0.010 |
- 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:
TS RM(Mpa) Yield point Rp0.2 MPa A % Z% cold-bending test b=2a -30℃ Charpy impact 515~690 310～620 ≥18 ≥45 Bending 180 ° without crack ≥ 54 (average value) ≥ 47 (single value) #stainless steel seamless pipe&tube #stainless steel hollow bar #stainless steel welded pipe&tube #stainless steel pipe fitting #stainless steel flange&tubesheet&baffle #walmi