GB GCr9SiMn GB/T 18254 Taw qhia
GB GCr9SiMn GB / T 18254 steel sib npaug yog dab tsi? GCr9SiMn phaj, GCr9SiMn lub cev muaj zog, GCr9SiMn Chemical Composition, GCr9SiMn steel mechanical zog, GB European sib npaug, GB steel yield zog, GB steel daim ntawv thov, GB tensile zog, GB GCr9SiMn GB / T 18254 steel phaj tsum
Daim ntawv thov: High carbon chromium bearing steel.
Kub kho: 1266 degree - 1936 degree .
GB GCr9SiMn GB/T 18254 Tshuaj
Hlau Qib GCr9SiMn cov ntaub ntawv muaj pes tsawg leeg, GB GCr9SiMn GB / T 18254 cov ntsiab lus, GB GCr9SiMn GB / T 18254 Kev kho cua sov, GB GCr9SiMn GB / T 18254 chemistry
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| C | 1.0000 | 1.1000 | - |
| Mn | 0.9500 | 1.2500 | - |
| P | - | 0.0250 | - |
| S | - | 0.0250 | - |
| Si | 0.4500 | 0.7500 | - |
| Ni | - | 0.3000 | - |
| Cr | 0.9000 | 1.2000 | - |
| Mo | - | 0.0800 | - |
| Cu | - | 0.2500 | - |
| Ni plus Cu | - | 0.5000 | - |
GB GCr9SiMn GB/T 18254 Mechanical
Cov ncauj lus kom ntxaws ntxiv txog GB GCr9SiMn GB / T 18254 steel Mechanical Properties, thov mus saib cov lus hauv qab no:
| 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) |
|---|---|---|---|---|---|---|
| 912 (Ntau dua lossis sib npaug) | 938 (Ntau dua lossis sib npaug) | 23 | 32 | 42 | Kev daws thiab Kev laus, Annealing, Ausaging, Q ntxiv T, thiab lwm yam | 343 |
GB GCr9SiMn GB/T 18254 Lub cev
Cov npe hauv qab no muab GB GCr9SiMn GB/T 18254 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.44 | - | |||
| 176 | 971 | - | 44.3 | 134 | - | ||
| 532 | - | 12 | 14.2 | 332 | 211 |
Cim npe nrov: gcr9simn caij nplooj ntoos hlav steel, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, yuav, nqe, pricelist, kev muag, Tshuag, dawb qauv
