Standard GB steel plate NM360/400 thickness 5.5-30mm width 1800-2200mm tolerance according to the national standard requirements for surface treatment oiling drying passivation production process electric furnace converter smelting plate weight 1.5mur

HRB335/HRB400/HRB500 diameter 8-40mm length 6000-12000mm tolerances of standard GBASMEEMCULENDINIECGS and other materials of rebar when the nominal diameter of rebar is not less than 12mm the relative rib area should not be less than 0.055; when t

Hot rolled coil standard GBASMEEMCULENDINIECGS and other materials Q235B/Q345B/SPHC/Q420B thickness 1.5mm--20mm width 1250--2000mm tolerance + /-0.04mm surface treatment oxidation pickling treatment coil inner diameter 610-760MM coil weight 16 Murr

Cold rolled coil standard GBASMEEMCULENDINIECGS and other materials SPCC/SPCD/SPCE/ST12-15/DC01-06. Thickness 0.11-3mm width 600-2000mm tolerance + /-0.02mm surface treatment oiling drying passivation treatment chromium-free passivation treatme

Pattern roll plate. Standard GBASMEEMCULENDINIECGS etc. Material. Thickness 2.0-8.0mm. Width 600-2000mm. Tolerance "+ /-0.02mm" The weight of the volume is 3mura and 8 tons. Process hot rolling. Packaging moisture-proof paper. Certif

Standard GBASMEEMCULENDINIECGS etc. Materials DX51D+Z S280GD+Z S350GD+Z DX53D+Z CSB S350GD S320GD+Z SGCC. Thickness 0.15~3.5mm. Width 700--1880mm. Tolerance "+ /-0.02mm" Surface treatment of steel plate by power frequency induction galv

Carbon plate standard GB material 10-inch-20-pound-25-pound-30-pound-35-pound-40-pound-45-pound-5-inch thickness 12.00-100mm width 2200mm tolerance according to national standard surface treatment oiling drying passivation plate weight 1.60Muth25 tons