JIS G4103 SNCM439 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Alloy Steel

Grade Details

Grade	JIS G4103:1979 SNCM439 / JIS G4103 SNCM439
Standard	JIS G4103:1979
Description	Japanese Ni-Cr-Mo high strength alloy steel
Applications	Crankshafts, gears, heavy duty shafts, aircraft components

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
34CrNiMo6	DIN/EN	Europe	3 listings, 0 RFQs →
EN24	BS970	UK	14 listings, 22 RFQs →
AISI 4340	SAE	USA	17 listings, 15 RFQs →
SAE4340	SAE	USA	17 listings, 15 RFQs →
IS 4367 40Ni2Cr1Mo28	IS 4367	India	0 listings, 2 RFQs →
GOST 4543 40XH	GOST 4543	Russia	2 listings, 0 RFQs →
GB/T 3077 42CrMo	GB/T 3077	China	2 listings, 0 RFQs →

Market Snapshot

7D Offer Price

▼ -0.1%

15D Offer Price

▼ -0.1%

30D Offer Price

▼ -0.1%

Round Bar →

Balanced

Chemical Composition (%)

C	Si	Mn	Cr	Mo	Ni
0.36–0.43	0.15–0.35	0.60–0.90	0.60–1.00	0.15–0.30	1.60–2.00

Mechanical Properties

Typical Available Sizes

Round Bar	20mm–350mm dia
Flat Bar	25×10mm–250×75mm

Sizes are indicative. Contact seller for exact availability.

Processing:

Active JIS G4103:1979 SNCM439 / JIS G4103 SNCM439 Listings on M-EX (For Sale)

JIS G4103:1979 SNCM439 / JIS G4103 SNCM439 Round Bar

4.500 MT

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JIS G4103:1979 SNCM439 / JIS G4103 SNCM439 Round Bar

1.800 MT

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JIS G4103:1979 SNCM439 / JIS G4103 SNCM439 Round Bar

1.900 MT

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No open buyer requirements for JIS G4103:1979 SNCM439 / JIS G4103 SNCM439 at this time.