JIS G4801 SUP9A Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Spring Steel

Grade Details

Grade	JIS G4801 SUP9A
Standard	JIS G4801
Description	Japanese chrome manganese spring steel, higher Mn than SUP9
Applications	Heavy duty leaf springs, torsion bars

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
55Cr3	DIN	Germany	3 listings, 0 RFQs →
SAE5160	SAE	USA	3 listings, 0 RFQs →
SAE5155	SAE	USA	0 listings, 2 RFQs →

Round Bar →

Demand, no supply

Chemical Composition (%)

C	Mn	Cr	Si	P	S
0.56–0.64	0.70–1.00	0.70–1.00	0.15–0.35	≤0.030	≤0.030

Mechanical Properties

Typical Available Sizes

Round Bar	10mm–75mm dia
Spring Flat	5×30mm–20×150mm

Sizes are indicative. Contact seller for exact availability.

Active JIS G4801 SUP9A Listings on M-EX (For Sale)

No active JIS G4801 SUP9A listings at this time.

JIS G4801 SUP9A Round Bar

1.300 MT

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JIS G4801 SUP9A Round Bar

0.900 MT

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