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STKM11A Cold Rolled Tube
Cold Rolled Tube for Furniture Finished: Annealed,Full Black annealed ,Bright Price:800-1,300usd/ton
Description
1.STKM11A Cold Rolled Tube with Bright Finished Specification
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Standard: JIS G3445
Description Name: STKM 11A Steel tube, STKM 12A steel tubes, STKM 13A steel tubes
Size: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm.
W.T.: 0.6mm-8mm
Shape: Round
Production type: Cold rolled
Length: Single random length/ Double random length or as customer’s actual request max length is 10m
Grade: STKM 11A, STKM 12A, STKM 12C, STKM 12B, STKM 13A, STKM 13B, STKM 13C, STKM 15A, STKM 17A,
2.STKM11A Cold Rolled Tube with Bright Finished Chemical and Mechanical
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| Grade | Designation | Unit % | ||||||
| C | Si | Mn | P | S | Nb or V | |||
| Grade 11 | A | STKM 11A | 0.12 max. | 0.35 max. | 0.60 max. | 0.040 max. | 0.040 max. | – |
Mechanical Properties
| Design -ation | Tensile Strength N/П {kgf/П} | Yield point or proof N/П {kgf/П} | Elongation % | Flattening strength Distance between flat plates (H) (D is outside dia. of the tube) | Bending Strength | ||
| No.4 | No.4 | Bend Angle | Inside radius | ||||
| No.11 | No.5 | (D is outside dia. of the tube) | |||||
| No.12 | Test Pieces Transverse Direction | ||||||
| Test Pieces Longitudinal Direction | |||||||
| STKM11A | 290{30} min. | – | 35 min. | 30 min. | 1/2 D | 180 | 4 D |
3.STKM11A Cold Rolled Tube with Bright Finished Chemical and Mechanical
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The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube
The tubes shall be free from defects detrimental to practical use.
The surface finish of the tubes, when especially specified shall be agreed upon by the purchaser and the manufacturer.
| Division | Tolerances on outside diameter |
| No. 1 | Under 50mm ±0.5mm |
| 50mm or over ±1% | |
| No. 2 | Under 50mm ±0.25mm |
| 50mm or over ±0.5% | |
| No. 3 | Under 25mm ±0.12mm |
| 25mm or over to and excl. 40mm ±0.15mm | |
| 40mm or over to and excl. 50mm ±0.18mm | |
| 50mm or over to and excl. 60mm ±0.20mm | |
| 60mm or over to and excl. 70mm ±0.23mm | |
| 70mm or over to and excl. 80mm ±0.25mm | |
| 80mm or over to and excl. 90mm ±0.30mm | |
| 90mm or over to and excl.100mm ±0.40mm | |
| 100mm or over ±0.50% |
4.STKM11A Cold Rolled Tube with Bright Finished after Bending
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5.STKM11A Cold Rolled Tube with Bright Finished Loaded into 40HC containers
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Contact: Elva
Email:elvazhao@lefinsteel.com
Mob:008615122519420
Market:
Japan,Malaysia, Philippines, Thailand, Indonesia, Myanmar, Brunei, Vietnam, Japan,
South Korea, Singapore, Australia, New Zealand,United States, Bolivia, Brazil, Barbados, Canada, Colombia, Chile, Peru,Mexico,Trinidad and Tobago, Antigua and Barbuda.
Maldives, Malawi, Somalia, Egypt, Nigeria, Kenya, Ghana, Ethiopia, Djibouti, Algeria, Sudan, Mozambique, South Africa, Burkina Faso, Mauritius, Sri Lanka, India, Kuwait, Dubai
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