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ASTM Gr.D Steel Tube Rectangular section
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Product Details
| Thickness | 1.0, 40.0 | Section Shape | Rectangular | |
| Outer Diameter | 15x15-800x800mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Other, machinery manufacture etc | |
| Technique | Hot Rolled | Certification | CE | |
| Surface Treatment | Other, oiled for Rectangular steel tube | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Is Alloy |
Product Description
Specifications
Steel Tube of Rectangular Section1.seamless ,welded,galvanized,stainless square tube
2.OD:15x15-800x800mm 20x20--600x800mm
Mild Steel Square Hollow Sections
ASTM Gr.D Steel Tube Rectangular section
Product Description Mild Steel Square Hollow Sections
Technical requirements: Mild Steel Square Hollow Sections
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 |
Production Flow : Mild Steel Square Hollow Sections
Technoligy: gradually roll-extruded to square steel tube.(3)
Adcvange:Adopt multichannel gradually continuous deformation,could eddiciently reduce the inner stress and damage of R angles.We reached the industy and international leading level of precise control of Outer Dimensions of R Angles,as well as Twist and Distortion.
Contact Information Mild Steel Square Hollow Sections
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- Jinan Xin Jiyuan Special Section Tube Co., Ltd.
- Contact nameCathy Zhao Chat Now
- Phone86-531-85736315
- AddressDaweizhuang, West of North Head of Erhuan West Road, Tianqiao District
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