ASTM A387 Gr11 Cl 1yog chromium-molybdenum (Cr-}Mo) alloy steel phaj, tsim los ntawm American Society for Testing and Materials (ASTM) standard A387, tsim rau welded boilers thiab siab hlab ntsha siv nyob rau hauv siab -kub daim ntaub ntawv, muab zoo heev oxidation thiab corrosion kuj vim nws ~ 1.25% Chromium contently ~ 0.
Sib npaug
| BS | EN | ASTM/ASME | DIN |
| 621 B | ––– | A387-11-1 | ––– |
Specifications rau ASTM A387 Qib 11 Alloy Steel Phaj
Chromium & Molybdenum cov ntsiab lus (raws li ASME specification)
| 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 1 Phaj
| 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 |
Cov ntawv thov tseem ceeb:
Cov Khoom Siv Hluav Taws Xob & Boilers:Nws txoj kev siv tseem ceeb yog rau kev tsim cov khoom siv uas khaws cia thiab ua cov kua / roj hauv qab kub thiab siab.
Roj & Roj Kev Lag Luam:Zoo tagnrho rau refining thiab ua cov khoom siv vim nws tsis kam mus rau kub, oxidation, thiab qaub (H2S) roj ib puag ncig.
Petrochemical cog:Siv nyob rau hauv reactors, tshav kub exchangers, thiab piping qhov twg kub kub yog qhov tseem ceeb.
Fais fab nroj tsuag:Siv nyob rau hauv cov khoom uas yuav tsum tau siab - kub lub zog thiab stability.
Tiv tauj peb ntawm beam@gneesteelgroup.com. rau pricing, technical support, los yog customized daws. Peb yeej ib txwm npaj los txhawb koj qhov project.
1. Dab tsi yog qib 11 steel?
SA 387 Qib 11 yog lub siab lub nkoj qib steel nrov siv rau hauv siab - qhov kub thiab txias ua haujlwm raws li nws qhov ua siab ntev rau qhov kub siab.
2.Tus nqi ntawm SA 387 GR 11 phaj yog dab tsi?
Alloy Steel Phaj SA 387 GR 11 ntawm ₹ 80/kilogram(s)|Alloy Steel Phaj hauv Mumbai.
3.Qhov muaj pes tsawg leeg ntawm A387 yog dab tsi?
Muaj pes tsawg leeg: ASTM A387 steel phaj feem ntau muaj chromium (txog 9% lossis ntau dua) thiab molybdenum (txog 2.25% lossis ntau dua), uas txhim kho lawv lub zog thiab corrosion kuj ntawm qhov kub thiab txias.