KS D3867 SCM440 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Alloy Steel

Grade Details

Grade	KS D3867 SCM440
Standard	KS D3867
Description	KS SCM440 is a chromium molybdenum alloy steel per Korean Standard KS D3867, equivalent to JIS SCM440, AISI 4140 and EN19. It is widely used in quenched and tempered condition for high-strength shafts, gears and automotive components requiring good fatigue resistance.
Applications	shafts,gears,axles,bolts,automotive parts,machine components,spindles,hydraulic parts

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
SCM440	JIS G4105	Japan	0 listings, 3 RFQs →
AISI 4140	AISI	USA	3 listings, 0 RFQs →
EN19	BS 970	UK	19 listings, 15 RFQs →
42CrMo4	DIN EN 10083	Germany	21 listings, 22 RFQs →
42CrMo	GB/T 3077	China	2 listings, 0 RFQs →

Round Bar →

Balanced

Chemical Composition (%)

C	Si	Mn	P	S	Cr	Mo
0.38-0.43	0.15-0.35	0.60-0.85	<=0.030	<=0.030	0.90-1.20	0.15-0.30

Mechanical Properties

Typical Available Sizes

Round Bar	16-500 mm
Flat Bar	20-150 mm

Sizes are indicative. Contact seller for exact availability.

Processing:

Active KS D3867 SCM440 Listings on M-EX (For Sale)

KS D3867 SCM440 Round Bar

3.500 MT

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KS D3867 SCM440 Round Bar

7.000 MT

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No open buyer requirements for KS D3867 SCM440 at this time.