ASTM A131 Qib A ASTM A131 / A131M Kev Taw Qhia
Muab nws cov yam ntxwv zoo tshaj plaws ntawm lub cev, ASTM A131 Qib A ASTM A131 / A131M steel yog siv rau ntau yam kev siv hauv kev ua tub rog, roj thiab roj, thiab kev tsim vaj tsev. Nws yog siv los tsim cov nkoj thiab lwm yam nkoj nkoj; offshore txhawb nqa nkoj; nkoj; thiab cov nkoj thauj khoom. Nyob rau hauv cov roj thiab roj, cov hlau yog siv nyob rau hauv downhole zog tsim thiab pipeline systems. ASTM A131 Qib A ASTM A131 / A131M steel kuj tseem siv rau hauv cov phiaj xwm cua zog, cov kav xa hluav taws xob, thiab cov chaw tsim hluav taws xob.
Peb lub tuam txhab muaj steel khoom billets, steel khoom, kub dov los xij, txias-draw los xij, seamless steel kav, steel tuav thiab lwm yam khoom.ASTM A131 Qib A ASTM A131 / A131Mmuaj lub koob npe nrov hauv kev ua lag luam, cov khoom lag luam zoo, thiab kev xav zoo hauv kev lag luam steel. ASTM A131 Qib A ASTM A131 / A131M tau ua tiav cov kev qhia tshwj xeeb, thiab cov khoom siv dav siv hauv aerospace, petrochemical, thiab kev tsim kho cov haujlwm, nrog rau cov khoom siv tsawg, kev ua haujlwm yooj yim thiab cov kev xav tau tsawg tsawg. Thiab muab kev txiav, khoov, vuam, drilling, thiab lwm yam kev pabcuam.
Daim ntawv thov:Structural steel rau seagoing.
Thaum tshav kub kub kho:1373 degree - 1769 degree .
ASTM A131 Qib A ASTM A131 / A131M Tshuaj Element
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A131 Qib A ASTM A131 / A131M yog dab tsi? Rau ASTM A131 Qib A ASTM A131 / A131M cov ntsiab lus, thov hu rau peb.
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| Si | - | 0.5000 | - |
| S | - | 0.0350 | - |
| P | - | 0.0350 | - |
| Ni | - | 0.0200 | - |
| Mo | - | 0.0200 | - |
| Mn | - | - | - |
| Cu | - | 0.0200 | - |
| Cr | - | 0.0200 | - |
| C+Mn/6 | - | 0.4000 | - |
| C | - | 0.2100 | - |
| Al | 0.0150 | - | - |
ASTM A131 Qib A ASTM A131 / A131M Mechanical Properties
ASTM A131 Qib A ASTM A131 / A131M steel yog tsim los ntawm cov txheej txheem kub lossis txias dov. Kub dov yog tsim cov hlau ntawm qhov kub thiab txias, uas ua kom cov hlau khaws nws lub zog thiab cov duab. Txias dov siv qhov ntsuas kub qis dua los tsim cov hlau thiab tsim cov khoom lag luam zoo dua nrog qhov tseeb dua ntawm cov duab thiab tuab.
Cov ncauj lus kom ntxaws ntxiv txog ASTM A131 Qib A ASTM A131 / A131M steel Mechanical Properties, thov xa mus rau cov lus hauv qab no:
| Yield Rp0.2(MPa) |
Tensile Rm(MPa) |
Kev cuam tshuam KV/Ku (J) |
Elongation A (%) |
Kev txo qis hauv ntu ntu ntawm pob txha Z (%) |
Raws li-kub-kho mob | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 638 (Ntau dua lossis sib npaug) | 495 (Ntau dua lossis sib npaug) | 41 | 31 | 13 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 333 |
ASTM A131 Qib A ASTM A131 / A131M Lub cev muaj zog
Lub cev muaj zog ntawm ASTM A131 Qib A ASTM A131 / A131M suav nrog lub zog siab, tsis muaj zog, ua haujlwm ntev, ductility thiab tsis kam tiv thaiv corrosion. Hlau, raws li peb txhua tus paub, muaj lub zog zoo txawm tias nws yog qhov hnyav. Qhov tseeb, qhov piv ntawm lub zog rau qhov hnyav rau steel yog qhov qis tshaj li lwm yam khoom siv hauv tsev muaj rau peb.
| Kub (degree) |
Modulus ntawm elasticity (GPa) |
Lub ntsiab lus coefficient ntawm thermal expansion 10-6/( degree ) ntawm 20 (degree) thiab | Thermal conductivity (W / m· degree) |
Tshwj xeeb thermal muaj peev xwm (J / kg · degree) |
Tshwj xeeb hluav taws xob resistivity (Ω mm² / m) |
Qhov ntom (kg/dm³) |
Poisson tus coefficient, ν |
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.31 | - | |||
| 439 | 454 | - | 22.3 | 342 | - | ||
| 761 | - | 34 | 41.2 | 142 | 334 |
