Khoom Description
SA387Gr22 siab hlab ntsha steel phaj yog hom kub thiab siab siab steel, thiab nws lub xeev xa tuaj yeem kub dov, tswj dov, normalizing lossis normalizing thiab tempering. Ntawm lawv, qhov chaw ntawm cov hlau phaj nyob rau hauv lub kub dov lub xeev yog ntxhib, thiab tom qab ua tiav yuav tsum tau, thaum lub nto ntawm steel phaj nyob rau hauv lub normalizing los yog normalizing thiab tempering lub xeev yog flattened, thiab nws tsis xav tau ntau heev ua. thiab tuaj yeem muab tso rau hauv kev siv ncaj qha.
Cov yam ntxwv ntawm SA387Gr22 siab nkoj steel phaj yog raws li nram no: 1. Nws muaj qhov kub thiab txias zog thiab oxidation tsis kam; 2. Zoo weldability thiab tsis tshua muaj kub toughness; 3. Muaj kev hnav zoo thiab ua haujlwm kub ua haujlwm qaug zog; 4. Haum rau kev tsim cov hlab ntsha siab thiab boilers nyob rau hauv qhov kub thiab txias ib puag ncig.
SA387Gr22 siab nkoj steel phaj lub ntsiab tsis yog raws li nram no: 1. Tshuaj muaj pes tsawg leeg: Carbon (C) 0.15, los yog tsawg silicon (Si) ntawm 0.50 los yog tsawg dua, manganese (Mn) {{10}}.30-0.60, phosphorus (P) ntawm 0.035 lossis tsawg dua, sulfur (S) ntawm 0.035 lossis tsawg dua, chromium (Cr) 2. 00-2.50, 0.90 1.10; molybdenum (Mo) 2. Tensile zog: 515-690MPa; 3. Yield zog: 310MPa; 4. Elongation: 18%.
SA387Gr22 siab hlab ntsha steel phaj yog ib hom kub thiab siab siab steel, nws daim ntawv thov ntau yam yog raws li nram no: 1. Petrochemical kev lag luam: siv los tsim petrochemical khoom, xws li roj av cracking rauv, reactor, separator, thiab lwm yam. 2. Lub zog teb. : siv los tsim reactor siab hlab ntsha, boilers thiab lwm yam khoom siv rau nuclear fais fab nroj tsuag. 3. Lwm qhov chaw: Siv rau hauv kev tsim cov nkoj, tsheb ciav hlau, Choj thiab lwm yam khoom siv thiab cov khoom siv uas yuav tsum tau tiv taus qhov kub thiab txias.
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