ASME SA-29/SA-29M 15L18

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ASME SA-29/SA-29M 15L18

ASME SA-29/SA-29M 15L18 specification provides for chemical, physical and mechanical requirements for the bars. There are a variety of bar sizes available and each one has specific mechanical requirements for yield strength, tensile strength and so on. The specification also provides for the production, testing and inspection of the bars. Both physical and chemical testing must be done to assure that the bars meet all required specifications.

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ASME SA-29/SA-29M 15L18 Introduce

ASME SA-29/SA-29M 15L18 steel is used in several applications, including oil and gas infrastructure, pressure vessels, booms and cranes, agricultural tools and machinery, motor vehicle components and parts, and heavy machinery. It is also used in the manufacturing of tools, bolts, and nuts.

Smelting temperature:1534°C - 1836°C

Application:General requirements for hot working and cold finishing carbon steel and alloy steel bars

ASME SA-29/SA-29M 15L18 Material Mechanical Properties

ASME SA-29/SA-29M 15L18 steel has many desirable mechanical properties, including high strength, good ductility, and excellent impact resistance. The tensile strength of ASME SA-29/SA-29M 15L18 steel is specified as a minimum of 85,000 psi. This is considered a high strength steel, making it a great choice for applications that require parts that are strong and can withstand high levels of stress.

The mechanical properties of the ASME SA-29/SA-29M 15L18 steel are as follows:

YieldRp0.2 ≤ 621 (MPa)
TeileRm≤ 885 (MPa)
ImpactKV/Ku12(J)
ElongationA21%
Reduction in cross section on fractureZ41%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)142

ASME SA-29/SA-29M 15L18 Material Thermal Properties

The thermal performance parameters of the ASME SA-29/SA-29M 15L18 steel are as follows:

Temperature (°C)22715696
Modulus of elasticity (GPa)-714-
Mean coefficient of thermal expaion ×10-6/(°C)--42
Thermal conductivity (W/m·°C)-42.343.2
Specific thermal capacity (J/kg·°C)-333-
Specific electrical resistivity (Ω mm²/m)0.14--
Deity (kg/dm³)--314
Poisson’s coefficient, ν--232

ASME SA-29/SA-29M 15L18 Material Machining Technology

The machining process of ASME SA-29/SA-29M 15L18 steel relies heavily on the selection of appropriate cutting tools. This selection is largely dependent on the material's hardness and other material characteristics, such as its wear resistance and ductility. Depending on the end-use goal for the machined product, there are two categories of cutting tools that are often used – those for roughing operations and those for finishing operations.