Sida birta birta ah
Marka la barbardhigo birta dhaqameed ee lagu sameeyay birta la shiiday,sita sharooto bir ahayaa leh Tilmaamaha soo socda:
Walxaha ceeriin
Sida birta birta ahwaxa sameeyay birta sidata Chromium kaas oo leh awood adag oo wanaagsan taas oo ay ugu wacan tahay waxa ku jira Chromium oo badan.
Farsamada
Sida birta birta ahwaxaa lagu sameeyaa iyadoo si toos ah loo burburiyo birta been abuurka ah ee ka nadiifsan cilladaha tuurista.
Xiro hooseeya
Dawladdii la been abuurtaysita sharooto bir ahcidhifyo fiiqan leh ayaa leh hanti farsamo oo ka sarraysa kabka birta dhaqameed ee dusha sare leh.
Tilmaamaha farsamada
| Halabuurka Kiimikada% | C | 0.80-1.20 | |
| Si | 0.15-1.20 | ||
| Mn | 0.30-1.20 | ||
| Cr | 0.60-1.65 | ||
| S | <0.050 | ||
| P | <0.050 | ||
| Adag | GP: 46-50HRC | GH:> 60HRC | |
| GL: 56-60HRC | |||
| GH:> 60HRC | |||
| Codsiga | Bacaad qarxinta | Dhagax jarid | |
| Qaab-dhismeedka yar yar | Martensite isku mid ah | ||
| Cufnaanta | ≥7.5g/cm3 | ||
| Muuqashada | Xaglo | ||
Codsiga
Bacaad qarxintaqaybta jirka, sanduuqa weelka, qalabka korontada duurjoogta ah,gawaarida, qaab dhismeedka birta, mashiinada dekeda iwm.
Goynta dhagaxa / granite goyntamashiinka miinshaar baandada