ASTM A148 Qib 90-60 ASTM A148 / A148M Kev Taw Qhia
Peb lub tuam txhab yog thoob ntiaj teb cov khoom siv raw hlau thiab steel khoom.ASTM A148 Qib 90-60 ASTM A148 / A148Myog ib qho ntawm peb cov khoom tseem ceeb steel. Lwm yam tshaj li cov khoom tshiab, peb kuj muaj cov khoom loj ASTM A148 / A148M kom tau raws li qhov xav tau ntawm cov neeg siv khoom sai. ASTM A148 Qib 90-60 ASTM A148 / A148M muaj nyob rau hauv ntau qhov ntau thiab tsawg thiab tuaj yeem kho raws li cov neeg siv khoom xav tau. Tsis tas li ntawd, peb muab cov kev pabcuam ua haujlwm, xws li: txiav, khoov, drilling, vuam thiab lwm yam kev pabcuam.
Daim ntawv thov:High-strength steel castings rau cov qauv siv.
Thaum tshav kub kub kho:1121 degree - 1361 degree .
ASTM A148 Qib 90-60 ASTM A148 / A148M Tshuaj Element
ASTM A148 Qib 90-60 ASTM A148 / A148M yog dab tsi? ASTM A148 Qib 90-60 ASTM A148 / A148M cov ntsiab lus, ASTM A148 Qib 90-60 ASTM A148 / A148M muaj pes tsawg leeg, ASTM A148 Qib 90-60 ASTM A148 / A148M cam khwb cia
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| S | - | 0.0600 | - |
| P | - | 0.0500 | - |
ASTM A148 Qib 90-60 ASTM A148 / A148M 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) |
|---|---|---|---|---|---|---|
| 531 (Ntau dua lossis sib npaug) | 296 (Ntau dua lossis sib npaug) | 44 | 11 | 24 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 312 |
ASTM A148 Qib 90-60 ASTM A148 / A148M Lub cev muaj zog
Basic Physical Properties of ASTM A148 Qib 90-60 ASTM A148/A148M Hlau
| 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 |
|---|---|---|---|---|---|---|---|
| 24 | - | - | 0.13 | - | |||
| 348 | 919 | - | 31.3 | 234 | - | ||
| 196 | - | 23 | 41.2 | 333 | 213 |
