Cov khoom lag luam

Peb cov khoom tseem ceeb yog: ERW HDG kav ERW Dub Square hollow seem ERW Dub Rectangular hollow seem ERW HDG Scaffolding kav SSAW kav API 5L

1, Qib: Q235B, Q355B, SS400, S235 thiab S355 2, Loj: 15 * 15-300 * 300mm 3, Cov Qauv: GB / T6728-2017, EN10219, EN10255, ASTM A500 qib A, B, C, ASTM A 795 4, Ntawv pov thawj: ISO 9001, SGS, CE, API

1, Qib: Q235B, Q355B, SS400, S235 thiab S355 2, Loj: 15 * 15-300 * 300mm 3, Cov Qauv: GB / T6728-2017, EN10219, EN10255, ASTM A500 qib A, B, C, ASTM A 795 4, Ntawv pov thawj: ISO 9001, SGS, CE, API

ERW Hlau Yeeb Nkab

1, Qib: Q235B, Q355B, SS400, S235 thiab S355 2, Loj: 15*15-300*300mm 3, Cov Qauv: GB/T6728-2017, EN10219, EN10255, ASTM A500 qib A, B, C, ASTM A795 4 , Ntawv pov thawj: ISO 9001, SGS, CE, API

1. Ua tau zoo ntawm qib siab zinc qib 2. Qib: S235J0H, S355J0H, Q235B, Q355B, STK400, STK5003. Qhov ntau thiab tsawg: 48.3mm * 3.2mm, 48.3mm * 4.0mm, Ntev: 5ft, 8ft, 10ft, 13ft, 16ft.4. Cov Qauv:

1. Ua tau zoo ntawm qib siab zinc qib 2. Qib: S235J0H, S355J0H, Q235B, Q355B, STK400, STK5003. Qhov ntau thiab tsawg: 48.3mm * 3.2mm, 48.3mm * 4.0mm, Ntev: 5ft, 8ft, 10ft, 13ft, 16ft.4. Cov Qauv:

1, Qeb: Q235B, Q355B, SS400, S235 thiab S3552, Qhov Coob: 15 * 15-300 * 300mm3, Cov Qauv: GB / T6728-2017, EN10219, EN10255, ASTM A500 qib A, B, C, ASTM A7954, Cov ntawv pov thawj: ISO 9001, SGS, CE,

1. Ua tau zoo ntawm cov qib siab zinc qib 2. Qib: Q235B, Q355B, SS400, S235 thiab S3553. Qhov ntau thiab tsawg: 21.3-219.1mm4. Cov Qauv: GB3091-2015, BS1387-1985, EN10219, ASTM A53 qib A, B, C, ASTM

1. Ua tau zoo ntawm cov qib siab zinc qib 2. Qib: Q235B, Q355B, SS400, S235 thiab S3553. Qhov ntau thiab tsawg: 21.3-219.1mm4. Cov Qauv: GB3091-2015, BS1387-1985, EN10219, ASTM A53 qib A, B, C, ASTM

1. Ua tau zoo ntawm qib siab zinc qib 2. Qib: S235J0H, S355J0H, Q235B, Q355B, STK400, STK5003. Qhov ntau thiab tsawg: 48.3mm * 3.2mm, 48.3mm * 4.0mm, Ntev: 5ft, 8ft, 10ft, 13ft, 16ft.4. Cov Qauv:

1, Qib: API 5L Kab Yeeb GR. B, X 42, X 46, X 52, X 60, X 65&X 70.2, Qhov Coob: 219.1mm-2020mm3, Tus Qauv: ASTM / ASME A671 GR. B60, B65, B70, C60, C65, C704, Ntawv pov thawj: ISO9001, SGS, CE, API