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Mar 19, 2026
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Tianjin RuiTong Iron & Steel Co., LTD.
Available today 30 times  |  Sent times  |  Remaining times
Type Welded
Technique Hot Rolled
Material Carbon Steel
Surface Treatment Galvanized
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Chair, Tent,Building,Table,Shelf
Section Shape Square
Surface Oil,Black ,Varnish,Hot Dipped Galvanized
Standards ASTM A500 ,GB/T3094
Processing Service Welding, Punching, Cutting, Bending, Decoiling
Delivery Time 8 Days, 15-21 Days
Grade Q235, Q195
Alloy or Not Non-Alloy
Supply Ability 15000t /Month
Transport Package in Bundles with Water Proof Plastic Tarpaulin
Specification 15mm-400mm
Trademark RUITONG
Origin Tianjin, China
HS Code 7306309000
Production Capacity 500000
 

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

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

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

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

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

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

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

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

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

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


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!!!


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


ABOUT  DELIVERY
 

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

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



 

 

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