GB/T 3077 40Cr Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Alloy Steel

Grade Details

Grade	GB/T 3077-2015 40Cr / GB/T 3077 40Cr
Standard	GB/T 3077-2015
Description	Chromium alloy engineering steel with good hardenability, strength and wear resistance after heat treatment. Widely used for medium-duty mechanical and automotive components.
Applications	shafts, gears, bolts, spindles, connecting rods, machine parts

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
AISI 5140	AISI	USA	2 listings, 0 RFQs →
41Cr4	DIN EN 10083	Germany	2 listings, 0 RFQs →
SCr440	JIS G4053	Japan	0 listings, 2 RFQs →
EN19	BS970	UK	19 listings, 15 RFQs →

Round Bar →

Balanced

Chemical Composition (%)

C	Si	Mn	S	P	Cr
0.37-0.44	0.17-0.37	0.50-0.80	<=0.035	<=0.035	0.80-1.10

Mechanical Properties

Typical Available Sizes

Round Bar	16-500 mm dia
Flat Bar	25-300 mm width

Sizes are indicative. Contact seller for exact availability.

Active GB/T 3077-2015 40Cr / GB/T 3077 40Cr Listings on M-EX (For Sale)

GB/T 3077-2015 40Cr / GB/T 3077 40Cr Round Bar

4.300 MT

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GB/T 3077-2015 40Cr / GB/T 3077 40Cr Round Bar

2.700 MT

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No open buyer requirements for GB/T 3077-2015 40Cr / GB/T 3077 40Cr at this time.