Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Type of Ownership:
Limited Company
Management System Certification:
ISO 9000, ISO 14001
OEM/ODM Service
Sample Available
Russian / Spanish Speaker

Rectangular Seamless Steel Pipe, Square Seamless Steel Pipe, En10210 Seamless Square Steel Pipe manufacturer / supplier in China, offering Rectangular and Square Seamless Steel Pipe, FM/UL Ductile Iron Grooved End Fittings Fire Pipe Cap, JIS3452, JIS3454 Stpg 38 High Pressure Piping of Carbon Steel. and so on.

Gold Member Since 2011
Audited Supplier

Rectangular and Square Seamless Steel Pipe

Get Latest Price
Min. Order / Reference FOB Price
10 Tons US $650/ Ton
Production Capacity: 2000 Tons Per Month
Transport Package: in Bundle or Customer′s Request
Payment Terms: L/C, T/T
Type: Square Steel
Technique: Hot Rolled
Usage: Construction, Bridge, Highway, Door, Structure
Size: 10 X 10~500 X 500mm
Thickness: 0.5~30mm
Length: 1~12meters

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Basic Info

Model NO.: KM-0123
Grade: Q195~Q345, S355, S355jr, Stk400/500, etc
Forming: Hot-Rolled Steel
Member: Steeltruss
Type of Steel for Building Structure: High-Strength Steel
Carbon Structural Steel: Q195~Q275
Residential Wall Structure: Wall Stud
Trademark: Carbon Structural Steel, Kingmetal
Specification: ASTM, GB, DIN, 10mm x 10mm~500mm~500mm
Origin: Made in China
HS Code: 73043990

Product Description

Rectangular and Square Seamless Steel Pipe

OD:10 x 10mm-500 x 500mm Thickness:0.5mm-30mm Length 1-12m
Grade:10#, 20#, SAE1010, SAE1020 and DIN17175 ST35.8 etc
Material: carbon steel (A53, A106, A1045,St37, St45-8, St42-2, CK45 etc)
alloy steel (4St52, A210-C, J55SAE5120, SAE5140,SAE5120 etc)
Standard: GB/T3094-2000 etc







1-12m or as request

Steel material

Q195-Q235 , Q345 , S235, S355, S235JR, S355JR.STK400/500


GB/T6728:2002 , ASTM A500 , JIS G3466 , EN10210 ,EN10219, ASTM A500 Gr. A.B.C. 


Widely used in construction, bridge, highway, windows of model steel door, machinery, chemical industry, supermarket goods shelf and so on.


Black, Galvanized, pre-galvanized


Hot Rolled

Section Shape

Square ,Rectangular

Third Party Inspection

SGS, BV,etc


Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.


1.Water-proof plastic cloth
2.Woven bags
3.PVC package
4.Steel strips in bundles 
5.As your request

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