JIS G3445 STKM13A is a carbon steel tube widely used in various industries for its excellent mechanical properties and chemical composition. This article aims to provide a comprehensive overview of this product, including its chemical composition, mechanical properties, heat treatment conditions, available size range, low-temperature impact test, primary applications, and relevant supply cases from TJC Steel Group.

Chemical Composition:

The chemical composition of JIS G3445 STKM13A is strictly controlled to ensure the quality and performance of the steel tubes. The typical chemical composition includes:

· Carbon (C): 0.15% max

· Silicon (Si): 0.15% - 0.35%

· Manganese (Mn): 0.30% - 0.90%

· Phosphorus (P): 0.040% max

· Sulfur (S): 0.040% max

· Chromium (Cr): 0.15% max

· Nickel (Ni): 0.20% max

· Copper (Cu): 0.30% max

Mechanical Properties:

The mechanical properties of STKM13A are characterized by its high strength and durability. The typical mechanical properties are as follows:

· Tensile Strength: 370 - 540 MPa

· Yield Strength: 235 MPa min

· Elongation: 25% min

· Hardness: 179 HB max

Heat Treatment Conditions:

STKM13A tubes can be supplied in various heat treatment conditions, including as-rolled, normalized, or quenched and tempered, depending on the specific requirements of the application.

Available Size Range:

TJC Steel Group offers JIS G3445 STKM13A carbon steel tubes in a wide range of sizes to meet different project needs. The available size range typically includes:

· Outer Diameter: 6.0 mm - 219.0 mm

· Wall Thickness: 0.5 mm - 10.0 mm

· Length: Customizable based on customer requirements

Low-Temperature Impact Test:

STKM13A tubes are suitable for use in low-temperature environments, having undergone a low-temperature impact test to ensure their reliability and safety in such conditions.

Primary Applications:

Due to its excellent mechanical properties and chemical composition, JIS G3445 STKM13A is commonly used in the following applications:

· Automotive parts

· Mechanical structures

· General engineering purposes

· Hydraulic props

· Pneumatic cylinders

TJC Steel Group Supply Cases:

TJC Steel Group has extensive experience in supplying high-quality JIS G3445 STKM13A carbon steel tubes to various industries. One notable supply case involves the supply of STKM13A tubes for the construction of hydraulic props used in mining operations. The tubes supplied by TJC demonstrated exceptional performance in terms of strength and durability, ensuring the safety and efficiency of the mining equipment.

In conclusion, JIS G3445 STKM13A carbon steel tubes are a reliable choice for applications requiring high strength and durability. TJC Steel Group is committed to providing high-quality products and services, as evidenced by our successful supply cases and customer satisfaction.