GB DT4E GB/T 6983 Taw qhia
Peb lub tuam txhab tau tsim kev koom tes ntev thiab ruaj khov kev sib raug zoo nrog Tuam Tshoj Hlau thiab Hlau Association, Hlau thiab hlau koom haum thiab hlau thiab hlau lag luam thoob plaws lub xyoo, kom ntseeg tau cov khoom zoo GB DT4E GB / T 6983 steel thiab muab cov nqi nyiam. . Peb GB DT4E GB / T 6983 steel khoom raug xa tawm mus rau ntau tshaj 70 lub teb chaws thiab cheeb tsam txawv teb chaws thiab tau txais kev tshuaj xyuas zoo.
Daim ntawv thov:Electromagnetic ntshiab hlau.
Thaum tshav kub kub kho:1254 degree - 1393 degree .
GB DT4E GB/T 6983 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) |
|---|---|---|---|---|---|---|
| 885 (Ntau dua lossis sib npaug) | 396 (Ntau dua lossis sib npaug) | 34 | 13 | 14 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 232 |
GB DT4E GB/T 6983 Lub cev muaj zog
Lub cev lub cev ntawm GB DT4E GB / T 6983 feem ntau npog cov qauv ntawm elasticity, coefficient ntawm thermal expansion, thermal conductivity, tshwj xeeb thermal muaj peev xwm, hluav taws xob tsis kam nqi, ceev, poisson tus piv, thiab lwm yam.
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.13 | - | |||
| 413 | 681 | - | 21.3 | 223 | - | ||
| 132 | - | 43 | 44.2 | 432 | 431 |
