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What does SR stand for in 12MnNiVR-SR?
SR refers to steel plates that require post-weld heat treatment, and there is a technical specification stating that all steel plates shall be delivered in a quenched and tempered condition, with the tempering temperature being no lower than 600°C. For the bottom ring wall plates and open-ended coiled tubes (designated as 12MnNiVR-SR) that have manholes and other openings requiring post-weld heat treatment, the actual controlled tempering temperature must be no less than 620 °C. -------The simulated post-weld heat treatment performance data of the SR plate base material shall be notified to the purchaser in the form of a written report by the supplier. It is likely that the steel plate requires overall heat treatment after welding, and its properties after heat treatment must remain the same as those in the normalized state. I can’t explain anything else. Used for 100,000 can bottom ring plates and large-opening plates.
SR refers to the situation where a steel plant needs to carry out simulated post-weld heat treatment; the answer on the 2nd floor was very comprehensive. For 12MnNiVR-SR, we can supply steel plates produced by Wugang. **The petroleum reserve projects mainly use products manufactured by Wugang. Henan Longpeng Marine Metal Materials Co., Ltd. supplies Wuyang steel plates! Contact person: Qi Tao. Phone: 13103710876. QQ: 503502984. MSN: w44021251@live.cn
The answer on the 2nd floor is very good: in China, the yield strength of steel is at the 490 MPa level; for applications requiring high linear energy, the WH610D2 steel plate is used, which is also known as 12MnNiVR.
3# hnlp007 Forum: Where did so many salespeople from Wugang come from recently? It’s really annoying.