SA 387 Gr 12 Cl 2yog qib tshwj xeeb ntawm chromium-molybdenum (Cr-Mo) alloy steel phaj, txhais los ntawm ASTM A387 / ASME SA 387 specifications, engineered rau siab - kub kev pab cuam nyob rau hauv weldable siab hlab ntsha, boilers, thiab tshav kub exchangers, muab zoo corrosion kuj, zog, thiab durability zoo li roj & roj.
Tshuaj muaj pes tsawg leeg ntawm SA387 GR.12 CL.2 Phaj
| C | Mn | P | S | Si | Cr | Mo |
| 0.04 - 0.17 | 0.35 - 0.73 | 0.035 | 0.035 | 0.13 - 0.45 | 0.74 - 1.21 | 0.4 - 0.65 |
Mechanical Properties ntawm SA 387 GR.12 CL.2 Phaj
| Tensile zog | Yield zog | Elongationin 200mm (%) | Elongation hauv 50mm (%) |
| 65-85 ksi, 450-585 MPa | 40 Ksi, 275 MPa | 19 | 22 |
Cov ntawv thov tseem ceeb
Lub Nkoj Siab & Tanks:Kev khaws cia thiab thauj cov pa roj thiab cov kua dej hauv qhov siab, suav nrog cov pa oxygen cylinders thiab cov tso tsheb hlau luam loj.
Boilers & Kub Exchangers:Cov khoom tseem ceeb hauv kev lag luam boilers, chav tshuab hluav taws xob (HRSG), thiab cov cuab yeej hloov hluav taws xob.
Roj & Roj Kev Lag Luam:Siv nyob rau hauv refineries, ua cov nroj tsuag, thiab rau cov khoom nyob rau hauv qaub kev pab cuam (muaj hydrogen sulfide).
Kev tsim hluav taws xob:Pom muaj nyob rau hauv thermal fais fab nroj tsuag, roj turbines, thiab cov khoom uas yuav tsum tau siab -kub resilience.
Kev ua tshuaj lom neeg:Rau cov khoom siv hauv cov nroj tsuag tshuaj ua haujlwm nyob rau hauv qhov kub thiab txias.
Vim li cas thiaj xaiv peb:
Koj tuaj yeem tau txais cov khoom zoo meej raws li qhov koj xav tau ntawm tus nqi tsawg kawg nkaus.
Peb kuj muab Reworks, FOB, CFR, CIF, thiab qhov rooj rau qhov rooj tus nqi xa khoom. Peb xav kom koj ua deal rau shipping uas yuav zoo heev.
Cov ntaub ntawv uas peb muab yog muaj tseeb tiag, txoj cai los ntawm raw cov ntaub ntawv xeem daim ntawv pov thawj mus rau qhov kawg dimensional nqe lus.
Peb lav muab cov lus teb tsis pub dhau 24 teev (feem ntau hauv tib lub sijhawm)
Koj tuaj yeem tau txais cov khoom hloov pauv, zeb xa khoom nrog txo lub sijhawm tsim khoom.
Peb tau mob siab rau peb cov neeg siv khoom. Yog tias nws yuav tsis tuaj yeem ua tau raws li koj cov kev xav tau tom qab kuaj xyuas tag nrho cov kev xaiv, peb yuav tsis ntxias koj los ntawm kev cog lus tsis tseeb uas yuav tsim kev sib raug zoo rau cov neeg siv khoom.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
1.Dab tsi yog SA 387 Gr 12 CL 2 sib npaug?
SA 387 Gr 12 Cl 2 (ASME / ASTM) yog ib qho chromium-molybdenum alloy steel rau cov hlab ntsha siab, nrog rau qhov sib npaug xws li EN 13CrMo4-5, DIN 13CrMo44, BS 620B, thiab Fabkis AFNOR 2 cov khoom zoo sib xws rau cov khoom zoo sib xws. Nws yog lub zog tensile ntau dua (Class 2) piv rau Chav Kawm 1, sib koom ua ke tib yam hauv paus.
2.Dab tsi yog SA 387 GR 12 khoom?
Engineered rau siv nyob rau hauv siab kub kev pab cuam, ASME SA387 Qib 12 yog achrome molybdenum carbon alloy hlaurau siv nyob rau hauv weldable siab hlab ntsha thiab muaj boilers.