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Specifications
RHS SHS CHS TubeOD:15x15--800x800mm,20x20--600x800mm
Thick.:1.0--40mm
Carbon,Galvanized,Seamless,Welded,Stainless,MS,Alloy,
If you’re looking for high quality, competitive price Square&Rectangulare Hollow Section Steel Tube you’ve come to the right place.
Steel Square Tube
(1/2 inch to 32 inch)
COMPANY PROFILE
Jinan Xin Jiyuan Special Section Tube Co.,Ltd(Shandong,China), founded in 1997.We devote continuously to the research,development and usage of SQUARE & RECTANGULAR HOLLOW SECTION STEEL
TUBES.
Main products are special shaped steel tube, cold..rolled precision tube, cold.rolled shaped tube. And our
special shapednew materials enjoys advantage in high strength, super low temperature,
impact-enduring,longevity, anti-erosion and easy-jointing.
There are three production lines,make full-sizes of tubes: 15x15mm—800x800mm, 20X30—600X800mm,
over 2800 kinds of specifications.
The products is very popular in USA Canada UK Australian Russia India Malaysia Europe and other countries and regions.
PRODUCTS
Products |
Square & Rectangular Hollow Section Steel Tube
|
Out Diameter |
15X15mm---800X800mm 20X30mm---600X800mm |
Thickness |
1.0mm---40.0 mm |
Material |
Carbon,Low-alloy,Alloy,Seamless,Welded,Stainless |
Technology |
ERW,Hot-Rolled,Cold-Formed,Annealed |
Standard |
GB/T ASTM JIS DIN EN AS |
Steel Grade |
Q235B, Q345A/B/C/D/E |
Gr.A Gr.B Gr.C Gr.D(HEAT TREATMENT) | |
|
SS330,SS400,STK490 C250,C350,C450 | |
S185, S235JR,S235J0, S355JR,S355J0,S355J2 | |
20#, 45# ,304,304L,316,316L,etc. | |
Surface |
Black,Oiled,Paint,Hairline,Mirror,Galvanized,Anti-corrosive |
PRODUCT USE
Our products applies to the manufacture of cars, trucks, buses, special automobiles, agricultural
machines, high speed trains, aviation, shipbuilding, petroleum platform, petroleum land platform,
iron tower, bridges, large scale steel frame, port machine, textile machine, power plant, mining,
wind electricity,solar energy systerm and chemistry.
Technical requirements:
Chemical Composition:
Yield Strength Grade |
Demotic Raw-material Grade |
235 |
Q235B, Q235C, Q235D, Q235qC, Q235qD |
345 |
Q345A, Q345B,Q345C,Q345D,Q345Qc, Q345Qd, StE355, B480GNQR |
Carbon Equivalent:
Ceq(%)=C+Mn/6+Si/24 +Ni/40+Cr/5+Mo/4+V/14
Ⅰgrade product Ceq(%)
Yield Strength Grade |
235 |
345 |
390 |
Ceq(%) |
≤0.36 |
≤0.43 |
≤0.45 |
Note: In order to improve the performance of steel,390 could add the microelement such as V, Nb, Ti, Mo and N etc. | |||
Mechanical Property:
Yield Strength Grade |
W.T |
Yield Strength |
Tensile Strength (Mpa) |
Elongation |
(20°C) Impact Value J |
(mm) |
(Mpa) |
(%) |
|||
235 |
4~12>12~22 |
≥235 |
≥375 |
≥23 |
≥27 |
345 |
4~12>12~22 |
≥345 |
≥470 |
≥21 |
≥27 |
390 |
4~12>12~22 |
≥390 |
≥490 |
≥19 |
≥27 |
Contact Information
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