SA 387 Qib 11 CLASS 2ASME SA387 Qib 11Class 2 yog siv rau hauv kev lag luam tsis zoo thiab muaj txiaj ntsig zoo, tshwj xeeb tshaj yog nyob rau hauv oll, roj thiab petrochemical kev lag luam, qhov twg cov kua roj av feem ntau khaws cia ntawm qhov kub thiab txias.
Specifications rau ASME SA387 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 (%) |
| SA387 Qib 11 | 1.25% | 0.50% |
Tensile Requirements rau ASME SA387 Qib 11 Alloy Steel Phaj Chav Kawm 2 Phaj
| Lub npe: | Yuav tsum tau: | Qib 11 |
| SA387 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 ASME SA387 Qib 11 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| SA387 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 khoom tseem ceeb:
Muaj pes tsawg leeg: ASME SA387 Qib 11 feem ntau muaj txog 1% chromium thiab 0.5% molybdenum. Cov khoom xyaw no muab lub zog zoo thiab ua haujlwm rau oxidation ntawm qhov kub thiab txias.
Mechanical Properties:
Tawm Zog: Yam tsawg kawg ntawm 205 MPa (30,000 psi)
Tensile zog: Yam tsawg kawg ntawm 415 MPa (60,000 psi)
Chav Kawm 2: Qhov kev faib tawm no qhia tau hais tias cov khoom siv tau dhau los ua kev kho cua sov ntxiv, txhim kho nws cov khoom piv rau Chav Kawm 1, uas tej zaum yuav tsis muaj tib theem kev kho mob. Chav Kawm 2 yog npaj rau cov ntawv thov uas xav tau kev ua haujlwm ntau dua nyob rau hauv kev ntxhov siab thiab kub.
Daim ntawv thov ntawm SA 387 Gr. 11:
Cov hlab ntsha siab hauv kev lag luam roj thiab roj
Boilers
Kub exchangers
Cov kav dej thiab lwm yam khoom siv ua haujlwm ntawm qhov kub siab
Flanges
Kub exchangers
Kub kub ducting
Cov yeeb nkab clamps
Cov hlab ntsha siab
Valves
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 11 2 khoom?
SA 387 GR. 11 CL. 2 Phaj yog cov cua sov- tiv taus thiab corrosion- cov phaj hlau uas tiv taus kub, kev ntxhov siab thiab nkag mus. sa 387 gr 11 cl 2 cov khoom kuj muaj qhov cuam tshuam zoo zog thiab weldability.
2.Qhov kub ntawm SA 387 GR 11 yog dab tsi?
Nyob rau hauv qis kawg ntawm qhov kub ntawm SA 387 Gr 11 (1150 ° F min tempering kub), thiab SA 387 Gr 22 (1250 ° F min tempering kub) yog siv. Cov qib no tuaj yeem teev nyob rau hauv chav kawm 1 lossis 2 thiab tseem tuaj yeem muab rau hauv Normalized & Tempered lossis Quenched thiab Tempered.
3.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|Ib: 4472390791.
4.Yog SA 387 carbon steel?
Weldable carbon steel daim hlau rau siab hlab ntsha thiab boilers siv nyob rau hauv siab kub. Cov khoom siv tau txais txiaj ntsig los ntawm kev ntxiv chromium thiab molybdenum uas muab cov hlau ntau dua corrosion tsis kam thiab tiv taus cua sov.