Best Price Black Carbon Steel Tube Q235 S235 Ss400 A36 St37 Carbon Steel Square Pipe

Product Specifictions Material:GrA,Gr.B,Gr.C,
S235,S275,S355,
A36,SS400,
Q195,Q235,Q345 Outer Diameter:Square   pipe:20*20mm~400*400mm
Rectangular  pipe:20*40mm~300*500mm Wall Thickness:
 Round  pipe:0.95~17.75mm
Square and rectangular pipe:1.7~16mm Standard:Hollow  section: ASTMA500,EN10219,EN10210,JIS3466,GB/T  6728 Certificate:SO  9001:2008,SGS,BV,CCIC  etc Finish of pipe:Hot dipped galvanized with zinc 220~260g/m2;
Pre-Galvanized with zinc 30-150g/m2
Painted with black/varnish lacquer;
Oil on the surface to prevent rust;
Bare pipe without painting: Pipe End:
 Plain end/ Bevel end
Groove end;
Joint with flange;
Threaded Marking:As per client requirement or mill standard
Painting method: Spray white paint Packing:
 OD not less than 273mm: Loose packing.piece by piece.
OD less than 273mm: In hexagonal seaworthy bundles packed by steel strips.
Small size nested into big size

FACTORY INTRODUCTION

Tianjin Ruitong Iron and Steel Co., Ltd. is a large-scale steel manufacturer and have been specializing in producing straight welded pipe, spiral welded pipe, precision pipe, galvanized steel pipe, prestressing steel strand and so on for over 20 years.
Come and join us, you will enjoy RuiTong's rich producing experience, high quality products and customers-oriented service!!!