STKM 15A Carbon Steel Tube Suppliers
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Solitaire Steel is a top supplier and exporter of high-quality STKM 15A carbon steel pipes, adhering to the JIS G3445 standard. With over 30 years of experience in the steel industry, we are renowned for providing premium steel products that meet your needs.
JIS G 3445 Grade STKM 15A carbon steel tubes are specifically designed for structural and mechanical applications. These tubes are known for their excellent strength and durability, which can be enhanced through various heat treatments. By carefully heating and cooling the steel, we can adjust its properties to meet specific requirements. Whether you need STKM 15A tubes for machinery, construction, or fluid transport, our team is here to help you find the perfect solution.
Our STKM 15A carbon steel tubes are composed of carbon (C), silicon (Si), and manganese (Mn), with carefully controlled levels of impurities like sulfur (S) and phosphorus (P). This steel grade is efficient to produce and offers great value for a wide range of applications. STKM 15A tubes can be shaped into different forms, including round, square, and flat sections, and are used in various industries for building components and fluid transport systems.
At Solitaire Steel, we are committed to delivering top-quality STKM 15A carbon steel pipes and exceptional customer service. In addition to STKM 15A, we offer a wide selection of steel products, including stainless steel pipes, tubes, sheets, and plates. For reliable STKM 15A carbon steel pipes that meet JIS G3445 standards, contact Solitaire Steel today to get more information or request a quote.
STKM 15A Carbon Steel Tube Specification
Type: Seamless Steel Tube.
Material Grade: JIS 3445 STKM 15A.
Size: 60.3mm x 5.9mm.
Surface Treatment: Black Painting or Oiled Surface.
Application: For Oil and Gas, etc.
STKM 15A Chemical Composition
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
|---|---|---|---|---|---|---|---|---|---|
| 0.25-0.35 | max 0.35 | 0.30-1.00 | 0.04 | 0.04 | – | – | – | – | – |
STKM 15A Mechanical Properties
| Yield Strength | Tensile Strength | Elongation A5 min | |||
|---|---|---|---|---|---|
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 470 | – | – | 22 | ||
Dimensional Tolerances of JIS G 3445 Grade STKM 15A
Outer diameter and wall Thickness
| Execution | Size Range | OD Tolerance | Wall tolerance |
|---|---|---|---|
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall – 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm |
| Hot-rolled peeled tube | All sizesWall < 12 mmWall – 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) |
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 – 80 mmOD > 80 Wall Thickness < 6 mm Wall Thickness6 – 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
Standard length tolerances of JIS G 3445 Grade STKM 15A
Component length (mm) | OD 30-100 mm | OD 100-254 mm |
10-100 | + 1.0/- 0 | + 2.0/- 0 |
100-600 | + 2.0/- 0 | + 3.0/- 0 |
600-1200 | + 3.0/- 0 | + 4.0/- 0 |
1200-5000 | + 5.0/- 0 | + 6.0/- 0 |
STKM 15A Carbon Steel Tube Applications
- Machinery
- Automobiles
- Bicycles
- water pipe lines
- Gas lines
- Oil & Gas industries etc.
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