KS D3867 SCM440 Round Bar - Steel Listings

Grade Details

Grade	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 Grades

Grade	Standard	Region	Live Round Bar on M-EX
SCM440	JIS G4105	Japan	0 listings, 3 RFQs →
AISI 4140	AISI	USA	3 listings, 0 RFQs →
EN19	BS 970	UK	10 listings, 14 RFQs →
42CrMo4	DIN EN 10083	Germany	12 listings, 14 RFQs →
42CrMo	GB/T 3077	China	2 listings, 0 RFQs →

Supply & Demand: Round Bar See Full Supply & Demand →

KS D3867 SCM440 Round Bar Balanced

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Active KS D3867 SCM440 Round Bar Listings (For Sale) 2

KS D3867 SCM440 Round Bar

3.500 MT · Closes 04 Sep 2026

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KS D3867 SCM440 Round Bar

7.000 MT · Closes 10 Aug 2026

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

Related: All Round Bar grades · Alloy Steel