IS 3431 55Si7 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Alloy Steel

Grade Details

Grade	IS 3431:1982 55Si7 / IS 3431 55Si7
Standard	IS 3431:1982
Description	IS 11169 Grade 1 is a spring steel per Indian Standard IS 11169, equivalent to 55Si7 and EN47. It offers high fatigue strength and resilience for automotive and industrial spring applications.
Applications	leaf springs,coil springs,automotive suspension springs,industrial springs,washer springs

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
55Si7	DIN EN 10089	Germany	3 listings, 0 RFQs →
EN47	BS 970	UK	3 listings, 1 RFQ →
SUP9	JIS G4801	Japan	3 listings, 1 RFQ →
AISI 9255	AISI	USA	2 listings, 0 RFQs →
60S2A	GOST	Russia	0 listings, 2 RFQs →

Market Snapshot

7D Offer Price

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15D Offer Price

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30D Offer Price

▲ +0.3%

Round Bar →

Balanced

Chemical Composition (%)

C	Si	Mn	S	P
0.50-0.60	1.50-2.00	0.60-0.90	<=0.045	<=0.045

Mechanical Properties

Typical Available Sizes

Flat Bar	25-120 mm
Round Bar	12-80 mm

Sizes are indicative. Contact seller for exact availability.

Active IS 3431:1982 55Si7 / IS 3431 55Si7 Listings on M-EX (For Sale)

IS 3431:1982 55Si7 / IS 3431 55Si7 Round Bar

3.500 MT

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IS 3431:1982 55Si7 / IS 3431 55Si7 Round Bar

2.500 MT

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No open buyer requirements for IS 3431:1982 55Si7 / IS 3431 55Si7 at this time.