ASTM A582/A582M S44020 Introduce

Machining ASTM A582/A582M S44020 is a great way to create strong and durable parts. It is an alloy that has well-balanced properties, good machinability, and excellent strength and corrosion resistance. In order to achieve the best results, it is important to choose the right tooling, adjust the speeds and feeds accordingly, and consider chip formation. Cooling should also be used to prevent excessive wear and tear on the tooling. If issues arise while machining, troubleshooting steps can be taken to rectify the problem.

Smelting temperature:1459°C - 1772°C

Application:Standard Specification for High Speed cutting Stainless Steel Bars

ASTM A582/A582M S44020 Material Chemical Composition

The chemical composition of the ASTM A582/A582M S44020 steel are as follows:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)0.1500-
PhOsphorus (P)-0.0600
Nickel (Ni)-0.5000
Manganese (Mn)-1.2500
Copper (Cu)-0.6000
Chromium (Cr)16.000018.0000
Carbon (C)0.95001.2000

ASTM A582/A582M S44020 Material Mechanical Properties

The mechanical properties of the ASTM A582/A582M S44020 steel are as follows:

YieldRp0.2 ≤ 465 (MPa)
TeileRm≤ 831 (MPa)
ImpactKV/Ku12(J)
ElongationA32%
Reduction in cross section on fractureZ43%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)334

ASTM A582/A582M S44020 Material Thermal Properties

The thermal performance parameters of the ASTM A582/A582M S44020 steel are as follows:

Temperature (°C)33896119
Modulus of elasticity (GPa)-682-
Mean coefficient of thermal expaion ×10-6/(°C)--44
Thermal conductivity (W/m·°C)-21.322.2
Specific thermal capacity (J/kg·°C)-212-
Specific electrical resistivity (Ω mm²/m)0.23--
Deity (kg/dm³)--413
Poisson’s coefficient, ν--334