BS EN 10216-2 yog Cov Txheej Txheem Kev Xa Khoom rau Seamless Steel Pipes rau Kev Siv Siab, uas qhia txog cov kav hlau tsis muaj hlau thiab hlau alloy nrog cov khoom kub.
Lub EN 10216-2 P195GH seamless carbon yeeb nkab muab los ntawm GNEE muaj cov yam ntxwv ntawm cov thermal conductivity, lub neej ntev kev pab cuam, kub kub thiab siab ua hauj.
EN 10216-2 P195GH seamless round yeeb nkab muaj ntau yam kev siv. Vim nws cov khoom zoo heev thiab kev tiv thaiv corrosion, nws yog dav siv nyob rau hauv kev tsim cov boiler dej kav, pa luam yeeb kav, superheater kav, cua preheating kav thiab lwm yam kub thiab siab siab ntim thiab kav dej.
Cov ntaub ntawv khoom
EN 10216-2 P195GH Seamless steel raj yuav tsum tau muab rau hauv cov txheej txheem kev kho cua sov uas tau teev tseg hauv Table 1.
| Qib steel | Kub kev kho mob a |
Austenizing | Tempering | |||
| Hlau npe |
Hlau tus lej |
Kub degree | Txias Nruab nrab |
Kub degree | Txias nruab nrab |
|
| P195GH | 1.0348 | +N b | 880 a 940 | Cua | - | - |
| a +N=Normalising, +NT=Normalizing + Tempering, +QT=Quenching + Tempering (cua lossis kua), +I=Isothermal Annealing. b Normalizing suav nrog Normalizing forming. |
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Tshuaj muaj pes tsawg leeg ntawm EN 10216-2 P195GH yeeb nkab
| Qib steel | Hlau tus lej |
C | Si | Mn | P max |
S max |
Cr | Mo | Ni | Al tot | Cu | Nb | Ti max |
V | Cr+Cu +Mo+Ni |
Lwm tus |
| 195 HHH | 1.0348 | Tsawg dua lossis sib npaug rau 0,13 | Tsawg dua lossis sib npaug rau 0,35 | Tsawg dua lossis sib npaug rau 0,70 | 0,025 | 0,020 | Tsawg dua lossis sib npaug rau 0,30 | Tsawg dua los yog sib npaug rau 0,08 | Tsawg dua lossis sib npaug rau 0,30 | Ntau dua lossis sib npaug rau 0,020 b | Tsawg dua los yog sib npaug rau 0,30 c | Tsawg dua lossis sib npaug rau 0,010 d |
EN 10216-2 P195GHseamless kav
Tolerances ntawm qhov ntev
| Ntev L | Kev kam rau siab ntawm qhov ntev |
| L tsawg dua lossis sib npaug li 6000 | +10 0 |
| 6000 < L Tsawg dua lossis sib npaug rau 12 000 | +15 0 |
| L > 12 000 | + los ntawm kev pom zoo 0 |
GNEE xa tawm EN 10216-2 P195GH steel kav mus rau 65 lub teb chaws thiab cheeb tsam thoob ntiaj teb txhua xyoo. Tus nqi yog 5% qis dua lwm tus neeg muag khoom, qhov kev tsim khoom zoo yog nruj me ntsis lav, thiab muaj kev pab cuam tom qab muag ntawm 20 tus neeg. Peb yuav daws txhua qhov kev tsis ntseeg rau koj thiab muab cov kev daws teeb meem rau qhov project! Yog tias koj tab tom nrhiav EN 10216-2 P195GH seamless kav, thov hu rau peb rau kev tsocai!
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