C() | 0.95~1.05 | Si (%) | 0.15~0.35 | Mn (%) | 0.25~0.45 | P() | ≤0.025 |
S (%) | ≤0.025 | Cr () | 1.40~1.65 |
Astaamaha makaanikada ee GB GCr15 birta sidata (caadi ahaan birta) ayaa lagu qeexay shaxda hoose:
Jilicsan | Wax-soo-saarka | modules badan | modules xiirid | Saamiga Poisson | Dhaqdhaqaaqa kulaylka |
MPa | Mpa | Gpa | Gpa | W/mK | |
520 | 415 Min | 140 | 80 | 0.27-0.30 | 46.6 |
Daaweynta kulaylka La Xiriira
Si tartiib ah u kuleyl ilaa 790-810 ℃ una ogolow waqtiyo ku filan, u ogolow birta in si fiican loo kululeeyo, Kadibna si tartiib ah ugu qabooji foornada. Siyaabaha kala duwan ee wax u dhimi kara waxay heli doonaan qallafsanaan kala duwan. Birta sida GCr15 waxay heli doontaa Hardness MAX 248 HB (Brinell hardness).
Si tartiib ah loo kululeeyo ilaa 860°C,kadibna lagu demiyo saliid hel 62 ilaa 66 HRc adkeysi Heerkulka sare ee heerkulka: 650-700 ℃, qabow hawo, hel adkaanta 22 ilaa 30HRC. Heerkul hoose: 150-170 ℃, Qabow in ari, hel adkaanta 61-66HRC.
Birta GB GCr15 kulul waxay ku shaqayn kartaa 205 ilaa 538°C.
GB GCr15 birta waxaa si weyn loogu isticmaalaa codsiyada kala duwan ee loo isticmaalo in lagu xidho ee mashiinada wareega. Codsiyada caadiga ah sida mashiinnada waalka, matoorada iyo qalabka ku rakiban, culeyska sare ee taayirrada, boolal, boolal laba madax leh, gears, mishiinka gubashada gudaha. Mashiinnada korantada, qalabka mishiinada, cagafyada, qalabka birta duuban, mishiinka caajiska ah, gaadiidka tareenka, iyo mishiinada gudbinta mishiinka macdanta ee kubada birta, rullaluistemadka iyo shaft sleeve, iwm.