STKM 13A, STKM 13A Equivalent Material, JIS g3445 STKM13A Chemical Composition, JIS g3445 STKM13A Mechanical Properties, JIS g3445 grade STKM13A

Amardeep Steel Centre is a leading supplier and exporter of high-quality STKM 13A carbon steel pipes, manufactured to meet the JIS G3445 standard. With over 30 years of experience in the steel industry, we have established ourselves as a trusted supplier of top-quality steel products.
Our STKM 13A carbon steel pipes are available in a range of sizes and thicknesses to suit various industrial applications. They are widely used in automotive, hydraulic equipment, and construction machinery, as well as in the manufacturing of bicycle frames and other structural components.
At Amardeep Steel Centre, we are committed to providing our customers with the best possible products and services. Our team of experts works closely with our customers to understand their specific requirements and provide tailored solutions that meet their needs.
In addition to STKM 13A carbon steel pipes, we also offer a wide range of other steel products, including stainless steel pipes, tubes, sheets, and plates, as well as alloy steel pipes and tubes. If you're looking for a reliable supplier of STKM 13A carbon steel pipes that meet the JIS G3445 standard, look no further than Amardeep Steel Centre. Contact us today to learn more about our products and services, or to request a quote.
Table of Contents
JIS G 3445 Grade STKM 13A Specification
| 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 Compositions
| 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 Grade STKM13A
| Property | Value |
|---|---|
| Yield Point / Proof Stress | 215 N/mm² |
| Tensile Strength | 370 N/mm² |
| Elongation | 30% |
STKM 13A Physical Properties
| Property | Value |
|---|---|
| Temperature Range | 6 – 529 °C |
| Modulus of Elasticity | 212 – 216 GPa |
| Mean Coefficient of Thermal Expansion | 4.2 – 111 × 10-6/°C |
| Thermal Conductivity | 31 – 34.2 W/m·°C |
| Specific Thermal Capacity | 529 J/kg·°C |
| Density | 7.85 kg/dm³ |
| Poisson’s Coefficient | 0.29 |
JIS G 3445 Grade STKM 13A Equivalent Grade
STKM 13A carbon steel pipes have several equivalent grades from different international standards. Here are some of the equivalent grades:
| Standard | Specification |
|---|---|
| ASTM | A519 Grade 1020, A513 MTX1025 |
| EN | 10305-1 E355+SR |
| DIN | 2391 ST52 BK+S |
| ISO | 683-1 C20E4 |
| GB/T | 8713, 3639 (20#) |
These equivalent grades are similar in terms of their chemical composition and mechanical properties to STKM 13A carbon steel pipes. However, it is important to note that there may be slight variations in the specifications of these grades, so it is always best to consult with a qualified expert before selecting an equivalent grade for a specific application.
JIS G3445 STKM13A Pipe Sizes
The following table provides the standard pipe sizes for JIS G3445 STKM13A, including Nominal Pipe Size (NPS), Outer Diameter (OD), and Wall Thickness (WT).
| NPS | ID (in) | OD (in) | WT (in) |
|---|---|---|---|
| 1/8 | 0.269 | 0.405 | 0.068 |
| 1/4 | 0.364 | 0.540 | 0.088 |
| 3/8 | 0.493 | 0.675 | 0.091 |
| 1/2 | 0.622 | 0.840 | 0.109 |
| 3/4 | 0.824 | 1.050 | 0.113 |
| 1 | 1.049 | 1.315 | 0.133 |
| 1-1/4 | 1.380 | 1.660 | 0.140 |
| 1-1/2 | 1.610 | 1.900 | 0.145 |
| 2 | 2.067 | 2.375 | 0.154 |
| 2-1/2 | 2.469 | 2.875 | 0.203 |
| 3 | 3.068 | 3.500 | 0.216 |
| 3-1/2 | 3.548 | 4.000 | 0.226 |
| 4 | 4.026 | 4.500 | 0.237 |
| 5 | 5.047 | 5.563 | 0.258 |
| 6 | 6.065 | 6.625 | 0.280 |
| 8 | 7.981 | 8.625 | 0.322 |
| 10 | 10.020 | 10.750 | 0.365 |
| 12 | 11.938 | 12.750 | 0.406 |
| 14 | 13.124 | 14.000 | 0.438 |
| 16 | 15.000 | 16.000 | 0.500 |
| 18 | 16.876 | 18.000 | 0.562 |
| 20 | 18.812 | 20.000 | 0.594 |
| 24 | 22.624 | 24.000 | 0.688 |
STKM 13A Applications & Uses
STKM 13A carbon steel pipes are used in a wide range of applications due to their strength, durability, and versatility. Here are some of the common applications and uses of STKM 13A carbon steel pipes:
- Automotive Industry : STKM 13A carbon steel pipes are widely used in the automotive industry for making parts such as shock absorber tubes, fuel injection pipes, and hydraulic lines.
- Machinery and Equipment Manufacturing : STKM 13A carbon steel pipes are used in the manufacturing of various machinery and equipment such as construction machinery, mining equipment, and agricultural machinery.
- Bicycle Frame Manufacturing : STKM 13A carbon steel pipes are also used in the manufacturing of bicycle frames due to their strength and durability.
- Hydraulic and Pneumatic Applications : STKM 13A carbon steel pipes are commonly used in hydraulic and pneumatic applications for carrying fluids and gases under high pressure.
- Structural Applications : STKM 13A carbon steel pipes are used in various structural applications such as in the construction of buildings and bridges, as well as in the manufacturing of scaffolding and other support structures.
Overall, STKM 13A carbon steel pipes are known for their reliability and versatility, making them a popular choice for a wide range of industrial applications.
Countries We Supply and Export JIS G3445 STKM 13A Carbon Steel Tube
Namibia, Kazakhstan, Belarus, Kenya, Japan, India, Turkey, Finland, Gambia, Taiwan, Iran, United States, Ireland, Bangladesh, Canada, Mexico, Egypt, Israel, Bulgaria, Germany, South Africa, Australia, Greece, Vietnam, Lebanon, Thailand, Hungary, Bhutan, Poland, Ecuador, Austria, Puerto Rico, Argentina, Kuwait, Spain, South Korea, Venezuela, Algeria, United Arab Emirates, Czech Republic, Sri Lanka, Jordan, Oman, Chile, Chile, Iran, Ghana, Belgium, New Zealand, Romania, Zimbabwe, Italy, Serbia, Switzerland, Slovakia, Croatia, Saudi Arabia, Trinidad & Tobago,Tunisia, Poland, Hong Kong, Nepal, Peru, Ukraine, Nigeria, France, Tibet, Indonesia, Morocco, Iraq, Denmark, Yemen, Malaysia, Portugal, Mexico, Singapore, Bolivia, Pakistan, Russia, Brazil, Bahrain, Norway, Azerbaijan, Angola, Philippines, Gabon, Lithuania, Afghanistan, Macau, Nigeria, Libya, Qatar, Netherlands, Mongolia, United Kingdom, Estonia, Costa Rica, Colombia, Sweden.
Cities We Supply and Export JIS G3445 STKM 13A Carbon steel Tube
Sydney, Mumbai, Doha, Dammam, Ulsan, Vadodara, Manama, Lagos, Kuwait City, Kolkata, Vung Tau, Kuala Lumpur, Pimpri-Chinchwad, Dubai, Hyderabad, Indore, Geoje-si, Bangkok, Haryana, Bogota, Petaling Jaya, Coimbatore, Calgary, Lahore, Visakhapatnam, Jaipur, Gurgaon, Moscow, Mexico City, Istanbul, Edmonton, Milan, Courbevoie, New York, Port-of-Spain, Baroda, Algiers, Houston, Ahmedabad, Muscat, Chandigarh, Melbourne, Los Angeles, London, Busan, Hanoi, Colombo, Secunderabad, Seoul, Al Khobar, Al Jubail, Nashik, Atyrau, Thiruvananthapuram, Rajkot, Tehran, Montreal, Jakarta, Ernakulam, Ahvaz, Karachi, Faridabad, Kanpur, Granada, Cairo, Hong Kong, Sharjah, Chiyoda, Rio de Janeiro, Gimhae-si, Aberdeen, Noida, Jamshedpur, Howrah, Brisbane, Chennai, Bhopal, Riyadh, Singapore, Ludhiana, Thane, Nagpur, Ranchi, Pune, La Victoria, Ho Chi Minh City, Madrid, Surat, New Delhi, Bengaluru, Navi Mumbai, Santiago, Toronto, Dallas, Perth, Caracas, Ankara, Jeddah.
Frequently Asked Questions About STKM 13A Carbon Steel
What is STKM 13A material?
STKM 13A is a type of carbon steel pipe or tube defined by the JIS G 3445 standard. It is specifically used for machine structural purposes in industries like automotive and machinery due to its good mechanical properties.
What is the equivalent of STKM13A steel?
STKM 13A steel has several equivalents in other international standards, such as ASTM A519 Grade 1020 and EN 10305-1 E355+SR. These materials are considered interchangeable due to their similar chemical and mechanical properties.
What is the Young's modulus of STKM13A?
The Young's modulus for STKM 13A steel is approximately 212-216 GPa. This value represents the material's stiffness, indicating its ability to resist elastic deformation under stress.
