Post Stock Login Register

GB/T 3077-2015 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
Standard GB/T 3077-2015
ApplicationsUsed for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.
Most Active InWest (Maharashtra, Gujarat)
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 3) 655M13 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 655M13 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 655H13 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 655H13 BS 970 (Part 1):1991 Close Alternative
GB/T 3077 15CrNi6 GB/T 3077-2015 Related Material
IS 1570 (Part 4) 15Cr6Ni6 IS 1570 (Part 4):1988 Related Material
BS 970 (Part 3) 635M15 BS 970 (Part 3):1991 Related Material
SAE J404 50B46 SAE J404:2009 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
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)

Popular forms for this grade:

Round Bar (2)

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

+ Create a Listing for this grade
GB/T 3077-2015 12Cr2Ni4A Round Bar
1.900 MT
View Listing
GB/T 3077-2015 12Cr2Ni4A Round Bar
1.800 MT
View Listing

Buyer RFQs for GB/T 3077-2015 12Cr2Ni4A

+ Post an RFQ for this grade

No open buyer requirements for GB/T 3077-2015 12Cr2Ni4A at this time.

Register for Alerts