SAE J403 AISI 10L20 Introduce

SAE J403 AISI 10L20 steel is a versatile material that can be used for a variety of applications. It is composed of carbon and a limited amount of manganese and is relatively easy to work with and resistant to corrosion. The mechanical properties of this material can be improved through the use of heat treatment processes to create an optimized microstructure. SAE J403 AISI 10L20 steel is widely used in the automotive and construction industries as well as for general purpose applications.

Smelting temperature:1545°C - 1813°C

Application:Chemical Compositions of SAE Carbon Steels

SAE J403 AISI 10L20 Material Chemical Composition

The chemical composition of the SAE J403 AISI 10L20 steel are as follows:

ElementMinMax
Sulfur (S)-0.0500
Lead (Pb)0.15000.3500
PhOsphorus (P)-0.0300
Nickel (Ni)-0.2000
Molybdenum (Mo)-0.0600
Manganese (Mn)0.30000.6000
Copper (Cu)0.2000-
Chromium (Cr)-0.1500
Carbon (C)0.18000.2300

SAE J403 AISI 10L20 Material Mechanical Properties

SAE J403 AISI 10L20 steel is characterized by having good strength and hardness properties. The material has an ultimate tensile strength of 545–620 MPa, a yield strength of 340–470 MPa, and an elongation of 18–30%. The material is also relatively ductile, with a bending strength of 45–90 MPa. The mechanical properties of SAE J403 AISI 10L20 steel can be improved through heat treatment processes. Annealing can increase ductility, normalizing can improve the strength, and stress relieving can reduce the internal stresses.

The mechanical properties of the SAE J403 AISI 10L20 steel are as follows:

YieldRp0.2 ≤ 129 (MPa)
TeileRm≤ 847 (MPa)
ImpactKV/Ku43(J)
ElongationA43%
Reduction in cross section on fractureZ22%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)344

SAE J403 AISI 10L20 Material Thermal Properties

The thermal performance parameters of the SAE J403 AISI 10L20 steel are as follows:

Temperature (°C)11498932
Modulus of elasticity (GPa)-796-
Mean coefficient of thermal expaion ×10-6/(°C)--23
Thermal conductivity (W/m·°C)-24.344.2
Specific thermal capacity (J/kg·°C)-134-
Specific electrical resistivity (Ω mm²/m)0.44--
Deity (kg/dm³)--424
Poisson’s coefficient, ν--223

SAE J403 AISI 10L20 Material Machining Technology

Due to its high strength and machinability, SAE J403 AISI 10L20 steel can be machined with a variety of tools and machines. The most common machining techniques used on this type of steel are turning, milling, drilling, and grinding. Turning is used to cut hard materials such as stainless steel and can be performed using a lathe or CNC machine. Milling is used to shape and create holes in the material, and can be done using a CNC machine or a manual mill. Drilling is used to create holes in the steel, and can be done using a drill press or hand drill. Finally, grinding is used to produce a smooth finish and remove excess material, and can be done using a large bench grinder or a dedicated grinding machine.