STKM 13A Carbon Steel Tube & Pipe Supplier
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STKM13A equivalent material, JIS g3445 stkm13a chemical composition, JIS g3445 stkm13a mechanical properties, JIS g3445 grade.
Solitaire Steel is a prominent supplier and exporter of high-quality STKM 13A carbon steel pipes, manufactured in accordance with the JIS G3445 standard. With over 15 years in the steel industry, we have built a strong reputation for delivering reliable and top-notch steel products to our clients.
Our stkm 13a carbon steel pipes come in various sizes and thicknesses, making them suitable for multiple industrial applications. These pipes are commonly used in sectors such as automotive, hydraulic equipment, and construction machinery. They are also utilized in the production of bicycle frames and other structural components, demonstrating their versatility and strength.
We prioritize customer satisfaction by offering exceptional products and services. Our knowledgeable team collaborates with clients to understand their specific needs and provide customized solutions. In addition to STKM 13A carbon steel pipes, we also supply a diverse range of steel products, including stainless steel pipes, sheets, and plates, as well as alloy steel pipes. For a trustworthy source of STKM 13A carbon steel pipes that meet JIS G3445 standards, contact Solitaire Steel today for more information or to request a quote.
STKM 13A Specifications
| Grade | STKM13A |
| Classification | Structural steel Carbon steel |
| Standards | JIS G 3445 : Carbon steel tubes for machine structure |
| Applications | Carbon steel tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts |
STKM 13A Chemical Composition
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
| max 0.25 | max 0.35 | 0.30-0.90 | 0.04 | 0.04 | – | – | – | – | – |
Mechanical Properties of Steel Pipes
| Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| – | – | 370 | – | – | 30 |
STKM 13A Seamless Tubes Mechanical Tests Required
| Designation | 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 | |||||||
| STKM13A | 370{38} min. | 215{22} min. | 30 min. | 25 min. | 2/3 D | 90 | 6 D |
| STKM13B | 440{45} min. | 305{31} min. | 20 min. | 15 min. | 3/4 D | 90 | 6 D |
| STKM13C | 510{52} min. | 380{39} min. | 15 min. | 10 min. | – | – | – |
STKM 13A Equivalent Material
STKM 13A carbon steel pipes have several equivalent grades from different international standards. Here are some of the equivalent grades:
ASTM A519 Grade 1020
EN 10305-1 E355+SR
DIN 2391 ST52 BK+S
GB/T 8713 GB/T 3639 20#
ISO 683-1 C20E4
These grades are similar to STKM 13A in terms of chemical composition and mechanical properties. However, slight variations may exist in the specifications of these grades, so it’s always best to consult with a qualified expert before selecting an equivalent grade for a specific application.
Applications of STKM 13A Carbon Steel Pipes
- Automotive Industry
- Machinery and Equipment Manufacturing
- Bicycle Frame Manufacturing
- Hydraulic and Pneumatic Applications
- Structural Applications
Supply and Exporter
FAQs
JIS G 3445 Grade STKM 13A tubes are low-cost low carbon steel tubes with a maximum carbon content of 0.25% and 0.30-0.90% manganese. They are easy to form and manufactured according to JIS specifications, commonly referred to as CS or MS pipes.
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