20 # Cov Yeeb Nkab Hlau
20 # hlauyog cov hlau zoo carbon tsawg, txias-extruded thiab hardened. Cov hlau muaj lub zog qis, toughness zoo, plasticity thiab weldability. Nws yog cov hlau zoo carbon tsawg, txias-extruded thiab hardened. Cov hlau muaj lub zog qis, toughness zoo, plasticity thiab weldability. Nws feem ntau yog siv los tsim cov kav dej seamless nrog kev ntxhov siab tsawg thiab kev xav tau siab toughness.
| Qib | Qhov Loj Ntau Yam | ||||||||||||||
|
| OD | WT | |||||||||||||
| 20# | 21 ~ 1200 | 3 ~ 130 | |||||||||||||
| Qib | Cov Cheebtsam Tshuaj% | ||||||||||||||
|
| C | Si | Mn | Cr | Mo | V | Ti | B | Ni | Cu | Nb | N | W | P | S |
| 20# | 0.17- | 0.17- | 0.35- | ≤ | — | — | — | — | ≤ | ≤ | — | — | — | ≤ | ≤ |
| Qib | Khoom Siv Kho Tshuab | ||||||||||||||
|
| Lub zog Tensile (MPa) | Lub zog tensile (Mpa) | Kev Tawm Tsam (L / T) | Kev cuam tshuam (J) Ntsug/Kab rov tav | Qhov nyuaj (NB) | ||||||||||
| 20# | 410- | ≥ | ≥20% | ≥40/27 | — | ||||||||||
1. Lub sijhawm xa khoom: Cov khoom muag loj yuav tsum paub tseeb tias lub sijhawm xa khoom tsawg kawg nkaus, feem ntau yog 5-7 hnub.
2. Kev tswj tus nqi: Cov peev txheej uas muaj thiab kev paub ntau ntawm kev tswj tus nqi cia peb muab cov peev txheej sib xyaw ua ke zoo tshaj plaws raws li cov neeg siv khoom xav tau
3. Cov peev txheej saum toj kawg nkaus: Muaj peev xwm muab daim ntawv pov thawj thiab cov ntaub ntawv tsim nyog los ua pov thawj zoo thiab muab kev txhawb nqa rau kev sib tw.
4. Kev Tswj Xyuas QC nruj: Kev tshuaj xyuas tag nrho ntawm qhov chaw, sim tag nrho thiab tshaj tawm, kev tshuaj xyuas sab nraud
5. Tom qab kev pabcuam: tag nrho cov khoom nrhiav tau, Nrhiav qhov chaw ntawm lub luag haujlwm
