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BS 970:1955 EN30A Steel - Specifications & Listings

BS 970:1955 EN30A: EN30A is a nickel-chromium-molybdenum alloy steel designed for carburizing and high core strength applications. It provides good toughness, fatigue resistance, and wear resistance after heat treatment.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeBS 970:1955 EN30A
StandardBS 970:1955
DescriptionEN30A is a nickel-chromium-molybdenum alloy steel designed for carburizing and high core strength applications. It provides good toughness, fatigue resistance, and wear resistance after heat treatment.
ApplicationsUsed for gears, aircraft components, transmission shafts, heavy-duty pinions, crankshafts, and high-strength fasteners.
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Balanced
Chemical Composition (%)
C Mn Si Ni Cr Mo S P
0.26-0.34 0.45-0.70 0.10-0.35 3.00-4.00 1.00-1.40 0.20-0.35 0.050 max 0.050 max
Mechanical Properties
tensile_strength 850-1000 MPa
yield_strength 650-850 MPa
elongation 10-14%
hardness 248-302 HB

Active BS 970:1955 EN30A Listings on M-EX (For Sale)

BS 970:1955 EN30A Round Bar
1.800 MT
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BS 970:1955 EN30A Round Bar
1.500 MT
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