ASTM A178 carbon steel yeeb nkabyog ib hom kev tiv thaiv welded qis carbon steel yeeb nkab, feem ntau yog siv rau boiler thiab superheater raj. Nws cov tshuaj lom neeg tseem ceeb suav nrog C ({{0}}}.06–0.18) thiab Mn (0.27–0.63), thiab qhov siab tshaj P thiab S cov ntsiab lus yog 0.0351 feem.
ASTM A178 steel yeeb nkab tuaj yeem muab tau rau hauv ntau lub xeev kev kho cua sov, xws li kev sib tsoo zoo tib yam, kev ntxhov siab annealing, normalizing, thiab lwm yam.
ASME SA178 superheater raj muaj qhov chaw du, sib npaug ntawm cov khoom siv, thiab tsis muaj qhov tsis xws luag xws li tawg, nplai, tawg, xuab zeb qhov, delamination, caws pliav, thiab lwm yam.
ASTM A178 Boiler Thiab Superheater Tubes
ASTM A178 ERW Yeeb Nkab / Tube Chemical Composition:
| Qib Steel | Element | Tshuaj muaj pes tsawg leeg,% | ||
|---|---|---|---|---|
| Qib A, Tsawg-Carbon Steel |
Qib C, Nruab nrab-Carbon Steel |
Qib D, Carbon-Man-ganese hlau |
||
| ASTM A178 Cov khoom lag luam | Cov pa roj carbon | 0.06-0.18 | 0.35 max | 0.27 max |
| Manganese | 0.27-0.63 | 0.80 max | 1.00-1.50 | |
| Phosphorus, max | 0.035 | 0.035 | 0.030 | |
| Sulfur, max | 0.035 | 0.035 | 0.015 | |
| Silicon | ... | ... | 0.10 min | |
Sab nraud txoj kab uas hla thiab phab ntsa Thickness kam rau ua ntawm ASME SA178 Boiler Thiab Superheater Tubes
| Sab nraud Diameter tol | Phab ntsa thickness tol | ||
| OD <50 | ± 0.05 hli | S <4mm | ±12.5% |
| OD > 50 | ±1% | 4--20 hli | +15/-12.5% |
| S Ntau dua lossis sib npaug li 20mm | ±12.5% | ||
Qhov zoo ntawm Kev Xaiv GNEE ASTM A178 Tube
GNEE muab cov neeg siv khoom nrog ntau yam ntawm cov kav hlau steel nrog ntau yam ua tiav thiab xa khoom sai heev. Kev tshaj lij OEM kev pabcuam kev ua haujlwm, pob zeb diamond txiav thiab lwm yam kev pabcuam. Muab steel yeeb nkab dabtsi yog khoov cov kev pab cuam, steel yeeb nkab kho cua sov kev pab cuam, steel yeeb nkab ua kev pab cuam, steel yeeb nkab vuam kev pab cuam thiab sheet hlau ua thiab lwm yam kev pab cuam.
Yog koj tab tom nrhiavASTM A178 Carbon yeeb nkab, thov xa email rau peb hauv lub sijhawm!sales@gneetube.com
Tus neeg muab khoom ntawm SA178 Steel Tubing
Gnee Ntim thiab shipping
FAQ
Q.Koj puas muaj kev tswj xyuas zoo?
A. Yog, peb tau txais BV.SGS ntawv pov thawj.
Q. Koj lub sijhawm ua haujlwm yog dab tsi?
A. Feem ntau, peb lub sijhawm xa khoom yog nyob rau hauv 7-45 hnub.
Q. Koj qhov kev pab cuam tom qab muag yog dab tsi?
A. Peb muab kev pab cuam tom qab muag thiab 100% kev ruaj ntseg zoo rau peb cov khoom.
Cim npe nrov: astm a178 superheater raj, Tuam Tshoj astm a178 superheater raj manufacturers, lwm tus neeg, Hoobkas
