ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M Boiler Steel Phaj
nkoj steel phaj Khoom Taw qhia
ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M yog cov khoom siv-qib steel hlau siv hauv kev tsim cov hlab ntsha thiab cov boilers. Tsim los ntawm chrome molybdenum, cov hlau muaj qhov kub siab ntev txog li 600 degree F (316 degree) nrog lub zog tensile tsis tsawg dua 90 ksi (620 MPa). ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M muab kev ua haujlwm zoo dua thiab kev ntseeg siab hauv ntau yam kev siv siab, tshwj xeeb rau kev ua haujlwm siab / kub kub, xws li boilers thiab lwm cov hlab ntsha siab.
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Daim ntawv thov:Siab lub nkoj phaj, hlau alloy, chrome molybdenum.
Thaum tshav kub kub kho:1713 degree - 1239 degree .
siab nkoj phaj Khoom Paub meej
ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M Chemical Element
Cov hlau kuj tseem muaj corrosion-resistant ua tsaug rau cov ntsiab lus chromium ntawm 0.5-9%. Thaum raug kub thiab corrosive chemical ib puag ncig, lub alloy tuav ib theem siab ntawm kev ua tau zoo.
Rau ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M cov ntaub ntawv thiab ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M tshuaj muaj pes tsawg leeg, thov saib cov lus hauv qab no.
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| Mo | 0.4500 | 0.6500 | - |
| Cr | 4.0000 | 6.0000 | - |
| P | - | 0.0350 | - |
| S | - | 0.0300 | - |
| Mn | 0.3000 | 0.6000 | - |
| Si | - | 0.5000 | - |
| C | - | 0.1500 | - |
| P | - | 0.0400 | - |
| Si | - | 0.5500 | - |
| S | - | 0.0250 | - |
| P | - | 0.0250 | - |
| Mo | 0.4000 | 0.7000 | - |
| Mn | 0.2500 | 0.6600 | - |
| Cr | 3.9000 | 6.1000 | - |
ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M Mechanical Properties
Cov khoom siv kho tshuab ntawm ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M cov hlau txiav txim siab txog qhov muaj txiaj ntsig ntawm cov khoom siv thiab tsim kom muaj lub neej ua haujlwm uas tuaj yeem xav tau. Cov cuab yeej siv tshuab kuj tseem siv los pab faib thiab txheeb xyuas cov khoom siv.
| 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) |
|---|---|---|---|---|---|---|
| 478 (Ntau dua lossis sib npaug) | 253 (Ntau dua lossis sib npaug) | 33 | 24 | 21 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 411 |
ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M Lub cev muaj zog
Cov npe hauv qab no muab ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M cov khoom xws li lub cev muaj zog, ntom ntom, thermal expansion.
| 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 |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.22 | - | |||
| 729 | 674 | - | 31.3 | 121 | - | ||
| 885 | - | 32 | 42.2 | 233 | 432 |
boiler steel ntawv Khoom duab
GNEE Group Photo
GNEE lav qhov zoo ntawm peb cov khoom nrog lub zog nyiaj txiag muaj zog, kev tswj hwm qib siab thiab kev tswj hwm nruj rau cov khoom tuaj. Peb muaj npe nrov thoob plaws tebchaws rau peb cov khoom zoo heev thiab lub koob npe nrov, thiab tau txais kev ntseeg siab thiab kev txhawb nqa ntawm cov hlau loj thiab cov neeg siv khoom.
GNEE Group Exhibition Duab
GNEE Group cov neeg siv khoom tuaj xyuas
Yog tias koj muaj kev xav tau ntau ntxiv thiab cov lus nug txog ASTM A387 Qib 5 Chav Kawm 2 ASTM A387 / A387M boiler steel phaj, peb zoo siab los qhia koj!
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