ASTM A387 Qib 11 Chav Kawm 2yog chromium - molybdenum alloy steel phaj uas ua tau raws li ASTM A387 / A387M tus qauv, tsim tshwj xeeb rau kev siab - kub thiab siab - siab siab- cov khoom siv bearing. Nws yog dav siv nyob rau hauv hnyav ua hauj lwm tej yam kev mob nyob rau hauv lub petrochemical thiab fais fab kev lag luam vim nws cov kev ua tau zoo heev.
Specifications rau ASTM A387 Qib 11 Alloy Steel Phaj
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| A387 Qib 11 | 1.25% | 0.50% |
Tensile Requirements rau ASTM A387 Qib 11 Alloy Steel Phaj Chav Kawm 2Plates
| Lub npe: | Yuav tsum tau: | Qib 11 |
| A387 Qib 11 | Tensile zog, ksi [MPa] | 75 txog 100 [515 rau 690] |
| Yield zog, min, ksi [MPa] / (0.2% offset) | 43 [310] | |
| Elongation hauv 8 nti. [200mm], min % | 18 | |
| Elongation hauv 2 nti [50mm], min, % | 22 | |
| Txo thaj tsam, min% | ––– |
Cov Khoom Siv Tshuaj Rau ASTM A387 Qib 11 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| A387 Qib 11 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.05 - 0.17 |
| Product Analysis: | 0.04 - 0.17 | |
| Manganese: | Kev Ntsuas Kub: | 0.40 - 0.65 |
| Product Analysis: | 0.35 - 0.73 | |
| Phosphorus: | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulfur (max): | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Silicon: | Kev Ntsuas Kub: | 0.50 - 0.80 |
| Product Analysis: | 0.44 - 0.86 | |
| Chromium: | Kev Ntsuas Kub: | 1.00 - 1.50 |
| Product Analysis: | 0.94 - 1.56 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.65 |
| Product Analysis: | 0.45 - 0.70 |
Daim ntawv thov
Roj & Roj Kev Lag Luam: Refineries, petrochemical nroj tsuag, cov kev pabcuam roj qaub, thiab siab - cov kav dej kub uas tiv taus hydrogen sulfide corrosion, siab siab, thiab cyclic thermal stress nyob rau hauv ib puag ncig ua haujlwm hnyav.
Lub zog tiam: Boiler nruas, headers, thiab siab -kub chav piping nyob rau hauv thermal thiab ua ke - voj voog fais fab nroj tsuag, kom ntseeg tau ntev - lub sij hawm structural stability nyob rau hauv huab cua siab thiab kub loads.
Kev ua tshuaj lom neeg: Cov khoom siv hauv cov chaw tuav cov kua dej kub corrosive thiab gases, yoog mus rau qhov kub siab mus tas li -kub cov tshuaj tiv thaiv thiab cov tshuaj lom neeg tawm tsam.
Kub Exchangers & Boilers: Cov khoom tseem ceeb uas yuav tsum tau ua kom ntseeg tau los tiv thaiv tshav kub thiab corrosion, haum rau hnyav -lub luag haujlwm thermal hloov hluav taws xob hla ntau qhov chaw lag luam.
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.
Yog tias koj xav paub ntxiv txog (ASTM A387 Qib 11 Chav Kawm 2) GNEE cov khoom, koj tuaj yeem xa email rau beam@gneesteelgroup.com. Peb zoo siab tshaj los pab koj.
A387 Qib 11 CL 1 thiab CL 2 txawv li cas?
Nws yog dav siv nyob rau hauv qaub roj & roj / petrochemical reactors, hydrotreating units, thermal fais fab nroj tsuag boiler drums / headers, thiab siab - siab chemical processing khoom ua hauj lwm nyob rau hauv hnyav high - kub, siab - siab ib puag ncig.
Dab tsi yog cov khoom sib npaug ntawm A387 Qib 11 CL 2?
Suav sib npaug: 12Cr1MoVR; European sib npaug: EN 10028-2 13CrMoSi5-5; Japanese sib npaug: JIS G 4109 SCMV3.
Dab tsi yog cov khoom tseem ceeb ntawm A387 Qib 11 CL 2?
Tensile zog: 515-690 MPa; Yam tsawg kawg yield zog: 310 MPa; Tsawg kawg elongation (50mm): 22%; Hardness: 163-235 HB; Lub zog cuam tshuam (ntawm -20 degree): Ntau dua lossis sib npaug rau 60 J.