SCM440 forged steel | hot sale JIS SCM440 forged steel sheets mills
The main advantages of 4140 steel:
This steel has good strength, good toughness, high hardenability, good workability, small processing deformation, quite good fatigue resistance, small deformation during quenching, and high creep strength and durable strength at high temperature.
4140 steel heat treatment specification and metallographic structure:
Heat treatment standard: quenching at 850℃, oil cooling; tempering at 560℃, water cooling, oil cooling;
Metallographic structure: tempered sorbite
Description of 4140 steel:4140 steel is an alloy structural steel. It is a general purpose high strength steel with moderate strength levels and good impact properties. This kind of steel belongs to medium hardenability steel, which has the advantages of high yield, good comprehensive mechanical properties, good strength, good toughness and high hardenability. The hardness is 241HB, 4140 has good strength and good comprehensive mechanical properties after heat treatment, and has good manufacturability. It can be used to make steam turbine fasteners, salvage tools, etc.
4140 steel application:4140 steel bar is mainly used to produce high-strength stud bolts, screws, wind power bolts, prestressed anchor bolts, post-stressed anchor bolts, steel tie rods, tie rods, tie rods, tie rods, etc. Crankshaft, quill shaft, linear shaft, pump shaft, rotor shaft, sensor shaft, spline shaft, drive shaft, mandrel, drive shaft, screw, etc. CNC machine tools, precision CNC machine tools, etc. Thimble and ejector rod.
4140 Steel Features:This steel has good strength, good toughness, high hardenability, good workability, small processing deformation, quite good fatigue resistance, small deformation during quenching, and high creep strength and durable strength at high temperature.
Our company (Dongguan Songshun Die Steel Co., Ltd.) has been specializing in 4340 and 4140 alloy steel for more than 20 years in China, including alloy steel round steel, alloy steel square steel, alloy steel flat steel, square alloy steel and hexagonal alloy steel bar.
We provide high-quality steel, ex-factory price, support customization, strong company and factory strength; welcome your inquiry and order；please contact us for quotes.
MiKi Zhuo
ADD:No.4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China
songshunsteel41404340
