GB/T 3077 12Cr2Ni4A Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for GB/T 3077 12Cr2Ni4A, broken down by form. Signals are indicative and derived from listings and RFQs.
Last updated: 16 Oct 2026, 4:00 AM
Live Signal: This grade’s supply and demand by form, from listings and RFQs open right now. Use this to act today. For example, “Is there a buyer gap in this grade’s round bar this week?”
| Form |
Supply |
Demand |
Status |
Price Band (Rs./MT) |
| Round Bar |
2 |
0 |
Low Activity |
Insufficient data
|
Disclaimer: All information on this page is indicative only and derived from posted listings and RFQs on M-EX. It does not constitute a market price quote or investment advice. M-EX and GTE make no representations as to accuracy or completeness. Actual activity depends on quantity, quality, payment terms and other commercial factors agreed between buyers and sellers.
GB/T 3077 12Cr2Ni4A is an Alloy Steel grade: 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.
Typical applications: Used for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components..
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) |