Taw qhia ntawm Q235B steel qib
Piv txwv li Carbon Txheej Txheem Hlau:
Q235B (GB / T 700) Q yog lub zog zog ntawm thawj lo lus 'tawm' ntawm thawj tsab ntawv ntawm hayu pinyin; 235 hais txog cov txiaj ntsig lub zog tsis muaj tsawg dua 235MPA; B Hais txog cov qib hlau, (qib qib tau muab faib ua A, B, C, D Qib). Thaum kawg, koj tuaj yeem ntxiv cov cai rau txoj kev ntawm cov hlau yog deoxidised, qhov twg: f rau kev rhaub hlau, z rau sedated steel, tz rau cov hlau tshwj xeeb.
Zoo Siab Carbon Qauv Hlau Piv Txwv:
2 {0 (GB / T 699) 2 {{}}} Hais txog cov ntsiab lus nruab nrab ntawm cov ntsiab lus ib lab). Piv txwv li: 20mn (GB / T 699) MN hais txog lub caij nyoog ntau dua uas muaj manganese, feem pua feem ntawm 0.70%}.}}}}}}}}}%, Teev tseg nyias. Piv txwv li: 50mna (GB / T 699) ib qho taw qhia ntawm cov hlau me me ntawm cov hlau. A rau qib high-qib ua kom zoo steel, e rau tshwj xeeb cov hlau zoo.
Yeeb Nkab Kab Hlau Piv Txwv:
L245 (GB / T 9711) L yog thawj tsab ntawv ntawm lus Askiv cov kab lus kab lus. 245 Txhais tau tias qhov tsawg kawg yog lub zog muaj zog tsis tsawg dua 245mpa. Piv txwv li: L290R (GB / T 9711) tsab ntawv kawg ntawm tsab ntawv R qhia lub xeev ntawm kev xa khoom. R yog dov, n yog li qub, q yog quenched + tempered, m yog thermăcharanically dov. Piv txwv li: L415qs (GB / T 9711) Tus ntawv kawg s qhia tau tias cov kev pabcuam ntawm cov yeeb nkab steel rau acidic media.
Seamless steel yeeb nkab rau cov siab siab boiler piv txwv li:
12Cr1Movg (GB 531 {{{{{}}) 12 Uas muaj txog 0.12% ntawm cov molybdenum thiab vanadium ntsiab, tus ntawv kawg G qhia tias cov hlau rau Boiler Steel.
Piv txwv ntawm cov yeeb nkab steelless steel rau cov kav dej kub tsawg:
16mndg (GBT 18984) DG qhia tau tias qhov ntsuas kub tsawg.
Piv txwv li cov hlau rau cov hlab ntsha siab:
15Crmor (GB713) R qhia tau tias lub boiler thiab siab rau cov hlau.
Tus Hlau Stainless Thiab Kub-Resistant Steel
Cov pa roj carbon nrog ob- lossis peb-tus lej Arabic suav los taw cov ntsiab lus carbon ntawm kev tswj hwm tus nqi zoo tshaj plaws (hauv feem ib lab lossis feem ib pua txhiab).
- 1. Tsuas yog cov ntsiab lus ntawm cov roj carbon, thaum cov ntsiab lus ntawm cov roj carbon Thaum cov kev txwv ntawm cov ntsiab lus ntawm cov roj carbon yog ntau dua 0.10%, qhov txwv ntawm 4/5 ntawm cov ntsiab lus carbon.
- Piv txwv li, yog tias cov ntsiab lus ntawm cov roj carbon cov ntsiab lus yog {{{{}}}}}}}}}}}}}}}}}}}}}}. Yog hais tias qhov txwv ntawm cov ntsiab lus carbon yog 0.20%, cov ntsiab lus carbon yog qhia ua 16; Yog hais tias qhov txwv ntawm cov ntsiab lus carbon yog 0.15%, cov ntsiab lus carbon yog qhia ua 12.
- Rau ultra-tsawg cov roj hlau stainless hlau (piv txwv li, cov ntsiab lus carbon tsis loj dua {}}. 030%), nrog peb cov ntsiab lus carbon monoxide.
- For example: the upper limit of carbon content of {{0}}.030%, the carbon content of its grade to 022; Cov Pa roj carbon cov ntsiab lus ntawm cov kev txwv sab sauv ntawm 0.020%, cov pa roj carbon ntawm nws qib rau 015.
- 2. Qhia txog cov kev txwv loj thiab qis dua, nruab nrab cov ntsiab lus ntawm X1 {{{4 4 {}}. Piv txwv li, yog tias cov ntsiab lus carbon yog 0.16 ~ 0.25%, cov pa roj carbon nyob hauv qib yog qhia ua 20.
- Kev sib cais ntawm cov cim tshuaj lom neeg thiab cov lej Arabic. Steel txhob txwm ntxiv niobium, titanium, zirconium, nitrogen thiab lwm yam alloy tau tsawg heev, yuav tsum tau cim nyob rau qib.
- Piv txwv li: Cov ntsiab lus carbon ntawm tsis ntau tshaj {{0 {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}% ntawm stainless hlau, qib 06CR19NI10.
- Cov ntsiab lus carbon tsis ntau tshaj {{{0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
- Cov ntsiab lus carbon ntawm {{{0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} 18% ~ 3. {{00%, cov ntsiab lus nitrogen ntawm 0.15% ~ 0.30% ntawm stainless hlau, qib 20cr15mn15ni2n.
- Cov ntsiab lus carbon tsis ntau tshaj 0. 25%}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}% ntawm tshav kub-resistant hlau, qib 20cr25ni20.