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SCM 435 Steel JIS G4105

Product  : SCM435
Kategori : Chromium Molybdenum Steel
Standard: JIS G4105
Grades   : SCM435
Technique: Hot Rolled
Place of Origin: Japan

DIN 34CrMo4, AISI 4137

SCM435 is a Cr–Mo alloy steel and it is usually used to make the matrix of tempered-martensite by oil bath method. SCM435 has high strength and creep strength, and good impact tenacity at low temperature. It can work at -110 °C to 500 °C . And JIS G4105 SCM 435 owns high static strength,impact tenacity, fatigue resistance, and hardenability; without overheating tendencies. But its weldability is not good,so before the welding, it needs to preheat to 150 -410 °C. After welding, it needs heat treatment to relieve stress. Generally speaking,JIS G4105 SCM435 is used after quenching and high temperature tempering treatment.

Round bar
Dia.: 15mm - 220mm
Size: 6010 mm Standard
Supplied Condition:Quenched & Tempered

Chemical Composition
C Si Mn P S Cr Mo
0.33~0.38 0.15~0.35 0.60~0.90 0.030max 0.030max 0.90~1.20 0.15~0.30

Mechanical Properties
Tensile Strength (MPa) 650 - 880
Yield Strength (MPa) 350 - 550
Elongation (%) 8 - 25
Young's Modulus (Mpa) 200.000
Fatigue (Mpa) 275

Hot-rolled Annealed Hardening
Hardness (HRC) Temperature(℃) Hardness (HRC)
38 Max 93 Max below3.15 3.15~6.00 6.01~9.00
Oil quenched
49min 48min 48min

Physical Properties
Density (×1000 kg/m3) 7.7
Thermal Conductivity (W/m.K) 25.0
Specific Heat (J/kg.K) 460
Electrical Resistivity (Ohm.mm2/m) 0.55
Thermal Expansion (e-6/K) 10.0
Melting temperature (°C) 1450 - 1510

Bear impacting, crankling, studbolt, nuts, fastener, crank axle, connection rod,shafts,etc.

Related Steel:

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