ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M Kev Taw Qhia
Raws li kev paubASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M tsum, peb tsis tuaj yeem muab cov neeg siv khoom kom muaj nuj nqis lav ASTM A487 / A487M cov khoom lag luam zoo, tab sis kuj muab cov nqi zoo thiab nruab nrog kev pabcuam tom qab muag tiav. Tsis tas li ntawd, kuj tseem muaj cov kev pabcuam ntxiv, xws li cov ntaub ntawv qhia rau cov neeg siv khoom, suav nrog ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M tshuaj muaj pes tsawg leeg, A487 Qib CA6NM Class B cov khoom, A487 Qib CA6NM Class B ntom ntom, A487 Qib CA6NM Class B zog, A487 Qib CA6NM Class B sib npaug, thiab lwm yam.
Daim ntawv thov:Compressed hlau casting.
Thaum tshav kub kub kho:1871 degree - 1667 degree .
ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M Tshuaj Element
ASTM A487 Qib CA6NM Class B ASTM A487 / A487M yog cov khoom muag kub ntawm peb lub tuam txhab. Peb ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M tshuaj lom neeg muaj pes tsawg leeg yog tswj hwm nruj me ntsis raws li cov qauv ASTM A487 / A487M.
Lub caij no, peb cov ASTM A487 Qib CA6NM Class B ASTM A487 / A487M cov kab ntau lawm siv zog los tswj cov impurities kom tsawg, thiaj li ua kom ASTM A487 Qib CA6NM Class B ASTM A487 / A487M ua si nws qhov kev ua tau zoo tshaj plaws. Hauv qab no yog qhov kev faib ua feem ntawm cov ntsiab lus tseem ceeb hauv ASTM A487 Qib CA6NM Class B ASTM A487 / A487M:
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| C | - | 0.0600 | - |
| Mn | - | 1.0000 | - |
| P | - | 0.0400 | - |
| S | - | 0.0300 | - |
| Si | - | 1.0000 | - |
| Ni | 3.5000 | 4.5000 | - |
| Cr | 11.5000 | 14.0000 | - |
| Mo | 0.4000 | 1.0000 | - |
| Cu | - | 0.5000 | - |
| V | - | 0.0500 | - |
| W | - | 0.1000 | - |
| Lwm yam | - | 0.5000 | - |
| Lwm yam | - | 0.5000 | - |
ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M 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) |
|---|---|---|---|---|---|---|
| 865 ( Ntau dua lossis sib npaug ) | 896 (Ntau dua lossis sib npaug) | 13 | 34 | 33 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 211 |
ASTM A487 Qib CA6NM Class B ASTM A487 / A487M Lub cev muaj zog
Lub cev lub cev ntawm ASTM A487 Qib CA6NM Chav Kawm B ASTM A487 / A487M feem ntau yog qhia los ntawm cov khoom siv hluav taws xob tsis zoo, thermal conductivity, thermal muaj peev xwm, coefficient ntawm thermal expansion, elasticity, poisson tus piv, ntom, 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 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.24 | - | |||
| 253 | 428 | - | 32.3 | 431 | - | ||
| 925 | - | 22 | 41.2 | 342 | 341 |
