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ERW STEEL PIPEERW Hlau yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65, BS1387, A500 Gr A / B / C, ASTM A53, STK400ISO65 , BS13050, A / ASTM A / ASTM A53

ERW STEEL PIPEERW Hlau yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65, BS1387, A500 Gr A / B / C, ASTM A53, STK400ISO65 , BS13050, A / ASTM A / ASTM A53

ERW STEEL PIPEERW Hlau yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65, BS1387, A500 Gr A / B / C, ASTM A53, STK400ISO65 , BS13050, A / ASTM A / ASTM A53

Square thiab duab plaub steel yeeb nkab kub dipped galvanzed square thiab rectangular steel pipeSHS 20 * 20mm --- 300 * 300mm, RHS20 * 40mm --- 400 * 200mm 标准: GB6728-2017, ASTM A500 GRADE A, 10 2B,

ERW STEEL PIPEERW Hlau yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65, BS1387, A500 Gr A / B / C, ASTM A53, STK400ISO65 , BS13050, A / ASTM A / ASTM A53

Kub dip galvanized scaffolding pipeERW STEEL PIPEERW Steel yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65, BS1387, A500 Gr A/B/C, ASTM A53, STK500, 10ISO / ASTM A53, STK400

scaffodling yeeb nkab rau kev tsim kho, ERW STEEL PIPEERW Steel yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65 , BS1387 , A500 Gr A / B / C , ASTM A53 , STK400ISO685 , Txheem:

Kub dipped galvanized steel yeeb nkab rau roj thiab kev tsim kho, OD: 21.3mm-219.10mm ERW Steel yeeb nkab OD21.3mm-219.10mm GI Steel yeeb nkab OD 21.3mm-219.10mmISO65 , BS1387, A500 Gr A/B503 , AST ,

Kub dipped galvanized steel raj nrog 50micron zinc txheej

carbon steel welded steel raj loj 219 * 6.0

50 * 100 * 2.3 KUB DIPPED GALVANIZED HOLLOW ntu

BS1387 HDG STEEL TUBE