SCM440 AISI 4140 42CrMo EN19 Steel Plate Alloy Structure Steel

• Standard: DIN, JIS, AISI, GB
• Technics: Hot Rolled
• Application: Tool Steel Bar
• Surface: Black
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
• Model NO.: SAE4140/ EN19/1.7225/SCM440/42CrMo
• Delivery condition: Annealed, black surface
• Quality Assurance: 100% UT passed
• Payment term: TT/LC
• Lead time: 7days for no cutting
• Condition: ready stock
• Transport Package: Standard/Customized
• Specification: standard/customized
• Trademark: customized
• Origin: China
• HS Code: 7225401000
• Production Capacity: 1000t/Month

Product Description

SCM440 AISI 4140 42CrMo EN19 

Similar Standards

Chinese	American	German	Japanese	British
GB	AISI	DIN	JIS	BS
42CrMo	SAE4140	1.7225	SCM440	EN19

Chemical Composition

Grades	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
4140	0.38-0.45	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.9-1.2	0.15-0.25	≤0.3	≤0.035
42CrMo	0.38-0.45	0.17-0.35	0.5-0.8	≤0.035	≤0.035	0.9-1.2	0.15-0.25	≤0.03	≤0.03
440	0.38-0.43	0.15-0.35	0.6-0.85	≤0.03	≤0.03	0.9-1.2	0.15-0.3	≤0.3	≤0.25

Heat Treatment

Quenching			Tempering
Heating Temperature/ºC	Cooling	Hardness/HRC	Heating Temperature/ºC	Cooling	Hardness/HRC
820-840	Oil	≥53	450-650	Air	25-40

Applications

1. Suitable for manufacturing requirment a certain strength and toughness of large and medium-sized plastic mold, such as locomotive traction with the big gear, the supercharger drive gear, pressure vessle, rear axle, gear load connecting rod and a spring clip
2. Used to under 2000m deep well of oil drill pipe joint and the fishing tool
3. 3. Used for bending machine mould  

Stock Size

Plate	Thickness	20-120mm
	Width	2200mm
	Length	4000-10000mm
round bar	Diameter	16-450mm
	Length	4000-10000mm

Steel Pictures

Workshop

Quality Inspection

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