IS 11169 Grade 4 Steel — Specifications & Listings

IS 11169

IS 11169 Grade 4 is a chromium molybdenum spring steel per Indian Standard IS 11169, equivalent to 42CrMo4 in spring applications. It provides high tensile strength and good toughness for heavy industrial spring and structural applications.

Category: Alloy Steel

Grade Details

Grade	IS 11169 Grade 4
Standard	IS 11169
Description	IS 11169 Grade 4 is a chromium molybdenum spring steel per Indian Standard IS 11169, equivalent to 42CrMo4 in spring applications. It provides high tensile strength and good toughness for heavy industrial spring and structural applications.
Applications	industrial springs,heavy duty coil springs,torsion bars,structural spring components,machine springs

Equivalent / Similar Grades

Grade	Standard	Region
42CrMo4	DIN EN 10083	Germany
42CrMo4	EN 10083	Europe
AISI 4140	AISI	USA
EN19	BS 970	UK

Chemical Composition (%)

C	Si	Mn	P	S	Cr	Mo
0.38-0.45	0.10-0.40	0.60-0.90	<=0.035	<=0.035	0.90-1.20	0.15-0.30

Mechanical Properties

tensile_strength	1200-1500 MPa
yield_strength	1050 MPa min
elongation	8-12 %
hardness	38-46 HRC

Typical Available Sizes

Round Bar	12-100 mm
Flat Bar	20-120 mm

Sizes are indicative. Contact seller for exact availability.

Active IS 11169 Grade 4 Listings on M-EX

No active IS 11169 Grade 4 listings at this time.