ERW Pipe Price List Standard :GB/T3091-2008 ; Specididdigar Kauri GB/T3091 Spec Tsayi GB/T3091 Q235B Q345B Q235B Q345B 33.4 (1″) 2.1-2.4 4400 5.400 4530 2.5-3.25 4060 4550 4.75-5.75 4170 4530 3.5-4.0 4130 4650 6.0-7.75 4270 4610 42.3 (1.2″...
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