Heerarka birta: S890Q/S890QL/S890QL1 . Heerka fulinta: BS EN10025-04
Cabbirka: 5 ~ 300 mm x 1500-4500 mm x L
Qalab | Tayada | C | Mn | Si | P | S |
S890Q / S890QL/ S890QL1 HSLA saxan bir ah | / | ≤0.20 | ≤1.70 | ≤0.80 | ≤0.025 | ≤0.015 |
L | ≤0.020 | ≤0.010 | ||||
L1 | ≤0.020 | ≤0.010 |
Qalab | Awood soo saarid σ0.2 MPa | Xoog la taaban karo σb MPa | Ballaarintaδ5 % | V Saamaynta Jidka dhererka |
||
≥6-50 | >50-100 | ≥6 -50 | >50-100 | |||
S890Q | ≥890 | ≥870 | 900-1060 | ≥13 | -20℃ ≥30J | |
S890QL | -40℃ ≥30J | |||||
S890QL1 | -60℃ ≥30J |
S890QL Birta Dhismeed ee la Demiyay oo Xanaaqay
Kulul- Samaynta
Kuleyl ka sarreeya 580 ° C waa suurtagal. Deminta iyo xanaaqa xiga waa in la sameeyaa iyadoo loo eegayo shuruudaha dhalmada.
Milling
Ku qodista birta xawliga sare leh ee kobalt-garab leh ee HSSCO. Xawaaraha gooyntu waa inuu ahaadaa ku dhawaad 17 - 19 m/min. Haddii laylisyada HSS la isticmaalo, xawaaraha goyntu waa inuu ahaadaa ku dhawaad 3 – 5 m/daq.
Ololka-Goynta
Heerkulka walaxda waa in uu ahaado ugu yaraan RT olol-goynta. Intaa waxaa dheer, kulaylka hore ee soo socda ayaa lagula talinayaa dhumucda saxannada qaarkood: Dhumucdiisuna waxay ka badan tahay 40mm, preheat ilaa 100 ° C iyo dhumucda ka badan 80mm, preheel ilaa 150 ° C.
alxanka
S890QL steel waxay ku habboon tahay dhammaan hababka alxanka hadda jira. Heerkulka walaxda waa in uu ahaado ugu yaraan RT alxanka. Intaa waxaa dheer, heerkulka hore ee soo socda ayaa lagula talinayaa dhumucda saxanka qaarkood:
20mm - 40mm: 75°C
In ka badan 40mm: 100°C
60mm iyo ka badan: 150°C
Tilmaamahani waa qiyamka caadiga ah oo kaliya, mabda 'ahaan, calaamadaha SEW 088 waa in lagu dhaqmaa.
t 8/5 jeer waa inay ahaadaan inta u dhaxaysa 5 iyo 25 s, taasoo ku xidhan farsamada alxanka ee la isticmaalo. Haddii cadaadiska dhimista cadaadiska ay lagama maarmaan noqoto sababaha dhismaha, tan waa in lagu sameeyaa heerkulka heerkulka 530 ° C-580 ° C.