Specifications
• JIS G3441 tubing come with a comprehensive specification, steel grades from low carbon to alloy steels.
• Procedure: welding, drawing
• Dimensions: O.D.: 10 mm – 120 mm
• Thickness: 1.0mm – 20mm
• Steel Grade: SCr 420 TK, SCM 415 TK, SCM 415 TK, SCM 420 TK, SCM 430 TK,SCM 435 TK, SCM 440 TK
• Surface Coating: Black, Red, Primer, Hot Dip Galvanizing
• End Type: Square cut, Bevelled, Grooved
• Pipe Packing: In bundles, Plastic film full length wrap
Chemical Composition(%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| SCr 420 TK | 0.18~0.23 | 0.15～0.35 | 0.60~0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 |
|
| SCM 415 TK | 0.13～0.18 | 0.15～0.35 | 0.60～0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
| SCM 418 TK | 0.16~0.21 | 0.15~0.35 | 0.60~0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
| SCM 420 TK | 0.18～0.23 | 0.15～0.35 | 0.60～0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
| SCM 430 TK | 0.28~0.33 | 0.15~0.35 | 0.60~0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
| SCM 435 TK | 033～0.38 | 0.15～0.35 | 0.60~0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
| SCM 440 TK | 0.38~0.43 | 0.15~0.35 | 0.60～0.85 | ≤0.03 | ≤0.03 | 0.90~1.20 | 0.15~0.30 |
Why Choose HAOTAN?
• Founded in 2011, Haotan is a leading force in China’s steel tube manufacturing and export. We promise to give you the best quality at the lowest price. For any inquiries regarding the purchase of steel tubes, feel free to reach out to us.
• Full Range Of Steel Pipes: HAOTAN provides a full range of steel tubes. This includes semaless tube, ERW pipe, steel hollow section, line pipe, coated pipe, honed tube and more.
• Standard Certifications: We hold international certifications, including ISO9001, IATF16949 and many letters patents, the tube products are manufactured following ASTM, DIN, EN, BS,JISG standards.
• Worry-free After-sales Service: We provide professional selling team. It handles returns and exchanges on time if there are quality problems.
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