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SMn420,JIS G4106 SMn420 steel,SMn420 stainless steel

SMn420,JIS G4106 SMn420 steel,SMn420 stainless steel  SMn420,JIS G4106 SMn420 steel,SMn420 stainless steel

JIS SMn420 steel’s  main features
SMn420 steel has medium strength. The coldstraining plasticity of SMn420 steel is high, low temperature property is good, weldability and machinability are passable. And compared with carbon steel with corresponding carbon content, the quench-hardening ability of SMn420 steel is higher. In oil the critical full hardening diameters are 4-15mm. But in heat treatment SMn420 steel has the tendency of overheating, decarburization sensitivity and temper brittleness. This kind of steel has an appropriate quench-hardening ability, after the suitable metal heat treatment, the microstructure of the body is the uniform sorbite ,bainite or superfine pearlite, thus it has the high tensile strength.
JIS SMn420 steel’s application
SMn420 steel is mainly used for making the carburized parts which don’t have high demand on surface and section size < 50 mm in diameter, such as carburized small gear, small axis, low requirements piston pins, cross pin head, diesel engine sleeve, valve plunger mandril, gearbox joystick, steel bushing, etc of automobiles, tractors and in machine tools production. In addition, in the hot rolling and normalizing state SMn420 steel can also be used for manufacturing rivet welding parts, screw and nut etc.
 
JIS SMn420 steel’s equivalent material in different standard.

JIS G4106 ASTM A29M AISI SAE EN 10028-2 ISO 683-1 BS 970 Part 3 ГOCT GB/T3077-1999
SMn420 (SMn21) 1524 1024 1524-1024 P355GH 22Mn6 150M19 20Г2 20Mn2

JIS SMn420 steel’s chemical composition

C Si Mn Cr Ni Cu P S
0.17~0.24 0.17~0.37 1.40~1.80 0.30 0.30 0.25 0.035

JIS SMn420 steel’s mechanical property

Tensile Strength(σb/MPa) Yield point(σs/MPa) Elongation(δ5/%) Reduction of Area(ψ/%) Impact Absorbing Energy(Aku2/J) Brinell Hardness(HBS100/3000)
Annealing or High Tempering
≥785 ≥590 ≥10 ≥40 ≥47 ≤187

Henan Bebon Internationl Co., Ltd is specialized in offering every kind of structural alloy steel plates.Bebon International is a professional SMn420 steel exporter in china. We can supply more than 1000 tons SMn420 steel every month. Besides that, Bebon Internationl has very good relationship with every big steel mill, so we could promise the delivery time and the competitive price compared with other companies.So, if you have any inquiry about SMn420 steel, if you are looking for a sincerely SMn420 steel supplier and want to get the SMn420 steel price, please do not hesitate to contact us.

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Tags: SMn420 medium strength steel, SMn420 stainless steel, JIS G4106 SMn420 steel

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