GB 38Crmoala GB \/ T 3078 Taw qhia
Peb lub tuam txhab tau tsim cov sijhawm ntev thiab sib txuas ua kom muaj kev sib koom tes sib txuas lus thiab cov lag luam hlau thiab hlau thiab cov hlau ua kom zoo nkauj thoob plaws lub siab Peb GB 38crmoala GB \/ T 3078 cov khoom siv steel yog export rau ntau tshaj 70 lub teb chaws thiab cov cheeb tsam txawv teb chaws thiab tau txais kev txheeb xyuas zoo.
Daim Ntawv Thov:Zoo qauv txheej txheem hlau txias kos cov hlau.
Tshav kub kho:1516 Degree - 1131 degree.
GB 38Crmoala GB \/ T 3078 Kev Siv Tshuaj
Rau GB 38crmoala GB \/ T 3078 DATAINT thiab GB 38CRRRMOALA GB \/ T 3078 Txuj Ci, thov saib cov lus hauv qab no.
| Lub ntsiab | Lub min | Tus zuag | Zoo ib yam |
|---|---|---|---|
| C | 0.3500 | 0.4200 | - |
| Mn | 0.3000 | 0.6000 | - |
| Si | 0.1700 | 0.3700 | - |
| Ni | - | 0.4000 | - |
| Cr | 1.3500 | 1.6500 | - |
| Mo | 0.1500 | 0.2500 | - |
| Al | 0.7000 | 1.1000 | - |
| P | - | 0.0250 | - |
| S | - | 0.0250 | - |
| Si | 0.2000 | 0.4500 | - |
| Ni | - | 0.3000 | - |
| CU | - | 0.2500 | - |
GB 38Crmoala GB \/ T 3078 Cov Khoom Siv Neeg Kho Tshuab
| Pub Rp0.2(MPa) |
Lub tensile Rm(MPa) |
Hloov KV \/ KU (J) |
Elongation A (%) |
Txo nyob rau hauv ntu hla ntu ntawm bacture Z (%) |
Raws li-ua kom sov | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 438 (ntau dua lossis sib npaug) | 146 (ntau dua lossis sib npaug) | 41 | 24 | 34 | Kev daws thiab kev laus, anrealing, ausaging, q + t, thiab lwm yam | 443 |
GB 38Crmoala GB \/ T 3078 Cov Khoom Siv Lub Cev
Lub cev muaj zog ntawm GB 38CRRRRMOALA GB \/ T 3078 feem ntau yog cov hluav taws xob muaj txiaj ntsig, cov thermal tiv thaiv tus nqi, elasticity tsis muaj nqi, elasticity, poisson tus piv, ntom, thiab lwm yam.
| Qho so (Qib) |
Modulus ntawm elasticity (GPA) |
Txhais cov coefficient ntawm thermal expansion 10-6 \/ (degree) ntawm 20 (degree) thiab | Thermal conductivity (W \/ math degree) |
Tshwj xeeb thermal muaj peev xwm (J \/ KG · degree) |
Kev Tiv Thaiv Hluav Taws Xob Tshwj Xeeb (Ω mm² \/ m) |
Ceev (kg \/ dm³) |
Poisson cov coefficient, ν |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.31 | - | |||
| 649 | 641 | - | 13.3 | 121 | - | ||
| 347 | - | 33 | 31.2 | 432 | 212 |
