JIS G3468 SUS 309S TPY Introduce

JIS G3468 is a versatile standard that provides reliable and safe performance for industrial applications. The pipes offer a variety of advantages, including improved strength, long-lasting durability, cost-effectiveness, and versatility. As a result, JIS G3468 pipes are widely used for a variety of applications, including energy production, construction, automotive, and more.

Smelting temperature:1671°C - 1916°C

Application:Large size welded seamless welded steel pipe

JIS G3468 SUS 309S TPY Material Chemical Composition

The chemical composition of the JIS G3468 SUS 309S TPY steel are as follows:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0450
Nickel (Ni)12.000015.0000
Manganese (Mn)-2.0000
Chromium (Cr)22.000024.0000
Carbon (C)-0.0800

JIS G3468 SUS 309S TPY Material Mechanical Properties

JIS G3468 SUS 309S TPY steel has excellent wear and tear resistance due to its composition and microstructure. This type of steel is known for its toughness, which is an important feature for applications that require high levels of wear and tear. JIS G3468 SUS 309S TPY steel is also highly resistant to corrosion and oxidation due to its higher chromium content.

The mechanical properties of the JIS G3468 SUS 309S TPY steel are as follows:

YieldRp0.2 ≤ 441 (MPa)
TeileRm≤ 433 (MPa)
ImpactKV/Ku24(J)
ElongationA13%
Reduction in cross section on fractureZ21%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)133

JIS G3468 SUS 309S TPY Material Thermal Properties

The thermal performance parameters of the JIS G3468 SUS 309S TPY steel are as follows:

Temperature (°C)32563484
Modulus of elasticity (GPa)-489-
Mean coefficient of thermal expaion ×10-6/(°C)--21
Thermal conductivity (W/m·°C)-32.331.2
Specific thermal capacity (J/kg·°C)-231-
Specific electrical resistivity (Ω mm²/m)0.11--
Deity (kg/dm³)--421
Poisson’s coefficient, ν--311

JIS G3468 SUS 309S TPY Material Machining Technology

JIS G3468 SUS 309S TPY steel is an important material for many machining applications, such as machine parts, tools, auto parts, and more. It has excellent strength and ductility, excellent machinability, and good thermal stability. To have a successful machining process, it is important to use the right tools and techniques, as well as the right speed and feed rate. Having the correct coolant is also essential for efficient machining of this material.