1, Khoom ua haujlwm tsis:
Hom | Q345 C qib | 20# |
C % | ≤0.20 | 0.17-0.23 |
SI % | ≤0.55 | 0.15-0.40 |
Mn % | ≤1.70 | 0.35-0.65 |
S % | ≤0.035 | ≤0.035 |
P % | ≤0.035 | ≤0.035 |
V % | 0.02-0.15 | |
Nb % | 0.015-0.060 | |
AI | ≥0.015 | |
Ti | 0.02-0.20 | |
Cr | ≤0.25 | |
Nws | ≤0.25 | |
Cu | ≤0.25 | |
qhov kub thiab txias ℃ | -20-425 | |
tensile lub zog Mpa | ≥490 | ≥420 |
tawm dag zog Mpa | 160-350 | ≥250 |
2, Cov lus qhia tshwj xeeb: phab ntsa tuab: 2.5-200mm ， 89*5，89*5.5，89*6，89*7, ntev ≥500mm, thiab ntxiv rau ...
3, Tus lej tus lej: GB8162-2008, sib npaug rau ASTM A53
4, Cov Lus Qhia: Nyob zoo cov neeg siv, vim muaj ntau tus qauv thiab qhov ntau ntawm cov khoom, thaum koj xav tau lawv, thov qhia meej meej ua ntej cov qauv khoom, qhov loj me, kev ntsuas ua tau zoo, kev siv, kev yuav khoom ntau, thiab lwm yam, yog li kuv tuaj yeem muab rau koj tus nqi tshwj xeeb rau cov khoom raug
5, Peb lub tuam txhab xa tawm cov khoom zoo li no txhua xyoo puag ncig, nrog cov khoom siv ntau. Txais tos kom sib tham.
6.Qhov zoo tswv yim ntawm kev siv cov khoom lag luam, cov khoom tau raug xa tawm mus rau Kaus Lim Qab Teb, Oman, Morocco
7.Peb yog tus muab khoom tshaj lij, leej twg tuaj yeem muab cov neeg siv khoom siv thev naus laus zis dawb, siv thiab lwm yam teeb meem.
Koj puas xav nrhiav tus kws tshaj lij ntawm Seamless Yeeb Nkab cov khoom lag luam?
Koj puas xav nrhiav tus neeg muag khoom ruaj khov thiab ntseeg tau?
Tom qab ntawv thov hu rau peb
Tiv tauj kuv:
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Cim npe nrov: seamless yeeb nkab rau kev teeb tsa lub hom phiaj, Tuam Tshoj, tuam ntxhab, cov chaw muag khoom, lub Hoobkas, siv, khoom
