BV Qib A420
shipbuilding steel phajKhoom Taw Qhia
Peb yogBV Qib A420 tus neeg muag khoomthiab exporter, BV Qib A420 cov tsim khoom thiab cov neeg muag khoom. Rau qhov loj me, peb feem ntau muaj cov khoom siv thiab npaj xa khoom hauv 10 hnub. BV Qib A420 yog lub nrig khoom ntawm peb lub tuam txhab. Peb tsis tsuas yog txaus siab rau thawj chav kawm zoo ntawm kev ua lag luam, tab sis kuj muaj kev sib tw nrog tus nqi tsim nyog thiab xav txog tom qab kev pabcuam. Tshaj li 20 xyoo dhau los, PebBV Qib A420cov khoom raug xa tawm mus rau ntau tshaj 70 lub teb chaws thiab thaj chaw.
Daim ntawv thov:High zog quenched thiab tempered steels.
Thaum tshav kub kub kho:1261 degree - 1912 degree .
shipbuilding steel phajKhoom Paub meej
BV Qib A420 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) |
|---|---|---|---|---|---|---|
| 186 (Ntau dua lossis sib npaug) | 726 (Ntau dua lossis sib npaug) | 31 | 33 | 42 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 112 |
BV Qib A420 Lub cev muaj zog
Cov npe hauv qab no muab BV Qib A420 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 |
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.42 | - | |||
| 277 | 358 | - | 24.3 | 212 | - | ||
| 356 | - | 21 | 43.2 | 311 | 434 |
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 npaj ua 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 BV Qib A420 steel, peb zoo siab los qhia koj!
Cim npe nrov: bv qib a420, Tuam Tshoj bv qib a420 manufacturers, lwm tus neeg, Hoobkas