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BS 970:1955 EN47 Steel - Specifications & Listings

BS 970:1955 EN47: British standard high carbon silicon-chromium spring steel. Excellent fatigue resistance, high yield strength, and good hardenability. Typically supplied in annealed condition for coiling and forming.

Forms: Round Bar Wire Rod Coil Category: Alloy Steel
Grade Details
GradeBS 970:1955 EN47
StandardBS 970:1955
DescriptionBritish standard high carbon silicon-chromium spring steel. Excellent fatigue resistance, high yield strength, and good hardenability. Typically supplied in annealed condition for coiling and forming.
ApplicationsCoil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
51CrV4 DIN/EN Europe 3 listings, 0 RFQs →
AISI 6150 SAE USA 3 listings, 0 RFQs →
SUP10 JIS Japan 3 listings, 0 RFQs →
SAE5160 SAE USA 3 listings, 0 RFQs →
SUP9 JIS G4801 Japan 3 listings, 1 RFQ →
55Si7 DIN EN 10089 Germany 3 listings, 0 RFQs →
60Si7 IS 3195 India 2 listings, 0 RFQs →
IS 11169 Grade 1 IS 3431 India 2 listings, 0 RFQs →
Market Snapshot
See Full Price Gap →
7D Offer Price
▼ -0.6%
15D Offer Price
▼ -0.6%
30D Offer Price
▼ -1.0%
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Balanced
Chemical Composition (%)
C Si Mn Cr V S P
0.45–0.55 1.50–2.00 0.60–0.90 0.20–0.50 0.10–0.20 ≤0.040 ≤0.040
Mechanical Properties
Tensile Strength 1080–1230 MPa
Yield Strength ≥925 MPa
Elongation ≥10%
Hardness 311–363 HB
Typical Available Sizes
Round Bar 16mm – 100mm dia
Flat Bar 20×6mm – 100×25mm
Spring Flat 3×20mm – 16×100mm
Sizes are indicative. Contact seller for exact availability.

Active BS 970:1955 EN47 Listings on M-EX (For Sale)

BS 970:1955 EN47 Round Bar
1.500 MT
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BS 970:1955 EN47 Round Bar
0.600 MT
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BS 970:1955 EN47 Round Bar
0.700 MT
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Buyer RFQs for BS 970:1955 EN47

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BS 970:1955 EN47 Round Bar
1.000 MT
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