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EN47
EQUIVALENT / AKA
AISI / SAE 6150 | 50CrV4 (DIN / EN 10089) | 1.8159 (Werkstoff) | 735A50 (BS 970) | SUP10 (JIS) | 50Cr1V23 (IS 3195) | Chrome-Vanadium spring steel
EN47 is a chromium-vanadium spring steel supplied for hardening and tempering. The medium-high carbon content provides the strength and elastic limit required for springs, chromium adds hardenability and wear resistance, and vanadium refines the grain and forms carbides that improve fatigue strength, toughness and resistance to softening. After heat treatment it shows a high yield to tensile ratio, excellent elasticity and good fatigue life under repeated loading, and retains properties better than plain carbon spring steels at moderately raised temperatures. Steel type: chrome-vanadium spring steel (through-hardening alloy steel).
CHEMICAL PROPERTIES
Typical composition ranges for EN47. Values are indicative and subject to the governing standard, product form and mill test certificate.
APPLICATION
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Leaf springs and coil springs
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Torsion bars and stabiliser bars
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Spring washers and clips
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Chisels, punches and hand tools
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Agricultural tines, blades and tillage parts
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Circlips, retaining rings and clutch springs
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Heavy duty gears and shafts requiring high fatigue strength
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Hand saws, cutting blades and cold working tools
WEIGHT CALCULATOR
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