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GB/T 3077-2015 12Cr2Ni4A / GB/T 3077 12Cr2Ni4A Steel - Specifications & Listings

GB/T 3077-2015 12Cr2Ni4A: 12Cr2Ni4A is a low carbon alloy carburizing steel with excellent toughness and deep hardenability. The grade is used for heavily loaded transmission and aerospace components.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGB/T 3077-2015 12Cr2Ni4A / GB/T 3077 12Cr2Ni4A
StandardGB/T 3077-2015
Description12Cr2Ni4A is a low carbon alloy carburizing steel with excellent toughness and deep hardenability. The grade is used for heavily loaded transmission and aerospace components.
ApplicationsUsed for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.
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Balanced
Chemical Composition (%)
C Si Mn Cr Ni P S
0.10-0.15 0.17-0.37 0.30-0.60 1.25-1.65 3.25-3.75 0.025 max 0.025 max
Mechanical Properties
tensile_strength 980-1180 MPa
yield_strength 785-980 MPa
elongation 10-14%
hardness 58-62 HRC (case)

Active GB/T 3077-2015 12Cr2Ni4A / GB/T 3077 12Cr2Ni4A Listings on M-EX (For Sale)

GB/T 3077-2015 12Cr2Ni4A / GB/T 3077 12Cr2Ni4A Round Bar
1.900 MT
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GB/T 3077-2015 12Cr2Ni4A / GB/T 3077 12Cr2Ni4A Round Bar
1.900 MT
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