ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M Kev Taw Qhia
ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M Khoom siv,A487 Qib 4 Class C steel, A487 Qib 4 Chav C steel hardness, A487 Qib 4 Chav C phaj hnyav, A487 Qib 4 Chav C phaj loj, A487 Qib 4 Chav C phaj tuab, ASTM A487 / A487M Lub Tebchaws Yelemees DIN sib npaug, ASTM A487 / A487M steel chaw tsim tshuaj paus hauv Suav teb, ASTM A487 Qib 4 Qib C ASTM A487 / A487M steel txhua yam khoom, ASTM A487 Qib 4 Qib C ASTM A487 / A487M steel hauv Malaysia, ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M steel hauv Dubai
Daim ntawv thov:Compressed hlau casting.
Thaum tshav kub kub kho:1879 degree - 1787 degree .
ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M Chemical Element
ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M yog dab tsi? ASTM A487 Qib 4 Qib C ASTM A487 / A487M cov ntsiab lus, ASTM A487 Qib 4 Qib C ASTM A487 / A487M muaj pes tsawg leeg, ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M cast analysis
| Element | Min | Max | Zoo sib xws |
|---|---|---|---|
| C | - | 0.3000 | - |
| Mn | - | 1.0000 | - |
| P | - | 0.0350 | - |
| S | - | 0.0350 | - |
| Si | - | 0.8000 | - |
| Ni | 0.4000 | 0.8000 | - |
| Cr | 0.4000 | 0.8000 | - |
| Mo | 0.1500 | 0.3000 | - |
| Cu | - | 0.5000 | - |
| V | - | 0.0300 | - |
| W | - | 0.1000 | - |
| Lwm tus tag nrho | - | 0.6000 | - |
| S | - | 0.0450 | - |
| P | - | 0.0400 | - |
| Lwm yam | - | 0.6000 | - |
ASTM A487 Qib 4 Chav Kawm C 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) |
|---|---|---|---|---|---|---|
| 866 ( Ntau dua lossis sib npaug ) | 465 (Ntau dua lossis sib npaug) | 41 | 12 | 33 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 113 |
ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M Lub cev muaj zog
Cov npe hauv qab no muab ASTM A487 Qib 4 Chav Kawm C ASTM A487 / A487M 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.23 | - | |||
| 954 | 194 | - | 14.3 | 144 | - | ||
| 495 | - | 43 | 41.2 | 134 | 442 |
