Agricultural Machinery Hollow Section Square/Rectangular Steel Tube
USD $560 - $637 /Ton
Min.Order:1 Ton
Jinan Xin Jiyuan Special Section Tube Co., Ltd.
Hollow Section Square/Rectangular Steel Tube
Hollow Section Square/Rectangular Steel Tube
Technical requirements: Hollow Section Square/Rectangular Steel Tube
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 |
Implementation of Standards Hollow Section Square/Rectangular Steel Tube
DIN EN 10210 (Europe)
Hot finished structural hollow sections of non-alloy and fine grain steels
DIN EN 10219 (Europe)
Cold formed welded structural hollow sections of non- alloy and fine grain steels
ASTM A500 (American) Cold formed structural Circular sections and special sections (welded/seamless)
GB/T 3094-2000 (China)
Cold drawn forming steel tube
GB/T 6728-2002(China)
Cold formed structural hollow sections
GB/T 178-2005(China)
Building structure with cold-formed rectangular steel
JISG 3466(Japan)
Carbon steel square pipes for general structural purposes
Technical process figure Hollow Section Square/Rectangular Steel Tube
Various Application: Hollow Section Square/Rectangular Steel Tube
Contact Information
Product Inspection: Hollow Section Square/Rectangular Steel Tube
Outside of dimentions:
Squareness of side:
Radius of corners:
Convexity or Concavity: Hollow Section Square/Rectangular Steel Tube
Finished product: