DNV Qib NV A40
shipbuilding steel phajKhoom Taw Qhia
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.DNV Qib NV A40muaj lub koob npe nrov hauv kev ua lag luam, cov khoom lag luam zoo, thiab kev xav zoo hauv kev lag luam steel. DNV Qib NV A40 muaj cov lus qhia ua tiav, thiab cov khoom siv dav siv hauv aerospace, petrochemical, thiab kev tsim kho, nrog rau cov khoom siv tsawg, kev ua haujlwm yooj yim thiab qhov yuav tsum tau muaj qhov tseeb tsawg. Thiab muab kev txiav, khoov, vuam, drilling, thiab lwm yam kev pabcuam.
Daim ntawv thov:Rolled steel rau kev siv cov txheej txheem.
Thaum tshav kub kub kho:1727 degree - 1218 degree .
shipbuilding steel phajKhoom Paub meej
DNV Qib NV A40 Mechanical Properties
| 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) |
|---|---|---|---|---|---|---|
| 573 (Ntau dua lossis sib npaug) | 293 (Ntau dua lossis sib npaug) | 41 | 11 | 43 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 423 |
DNV Qib NV A40 Lub cev muaj zog
Basic Physical Properties of DNV Qib NV A40 Steel
| 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 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.32 | - | |||
| 267 | 644 | - | 23.3 | 324 | - | ||
| 399 | - | 11 | 24.2 | 134 | 344 |
shipbuilding steel phajKhoom duab
GNEE Group Photo
Kev cog lus rau kev tswj hwm nruj thiab kev pabcuam rau cov neeg siv khoom, peb muaj cov neeg ua haujlwm paub txog kev tsim khoom npaj kom tau raws li koj xav tau thiab ua kom cov neeg siv khoom txaus siab. Peb lav koj zoo nyob hauv Suav teb.
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 DNV Qib NV A40 steel, peb zoo siab los qhia koj!
Cim npe nrov: dnv qib nv a40, Tuam Tshoj dnv qib nv a40 manufacturers, lwm tus, Hoobkas