Gold Member Since 2011
Audited Supplier
Guangzhou Kingmetal Steel Industry Co., Ltd.

Rectangular Seamless Steel Pipe, Square Seamless Steel Pipe, En10210 Seamless Square Steel Pipe manufacturer / supplier in China, offering Rectangular and Square Seamless Steel Pipe, Alloy Steel Tube Fittings, Alloy Steel Pipe Caps, Socket Weld and NPT Thread Pipe Fitting and so on.

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Rectangular and Square Seamless Steel Pipe

FOB Price: US $650 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $650/ Ton
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Production Capacity: 2000 Tons Per Month
Transport Package: in Bundle or Customer′s Request
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: KM-0123
  • Technique: Hot Rolled
  • Size: 10 X 10~500 X 500mm
  • Length: 1~12meters
  • Forming: Hot-Rolled Steel
  • Type of Steel for Building Structure: High-Strength Steel
  • Residential Wall Structure: Wall Stud
  • Specification: ASTM, GB, DIN, 10mm x 10mm~500mm~500mm
  • HS Code: 73043990
  • Type: Square Steel
  • Usage: Construction, Bridge, Highway, Door, Structure
  • Thickness: 0.5~30mm
  • Grade: Q195~Q345, S355, S355jr, Stk400/500, etc
  • Member: Steeltruss
  • Carbon Structural Steel: Q195~Q275
  • Trademark: Carbon Structural Steel, Kingmetal
  • Origin: Made in China
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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