1.2779 high temperature alloy Open die steel forging parts
1.2779 open die steel forgings feature excellent high-temperature creep strength, thermal fatigue resistance and good toughness, widely applied in automotive & locomotive manufacturing, extrusion molds and oil, gas & chemical equipment.
- Standard: 1.2779
- Technique: The bars shall be delivered in a solution-treated, aged, and turned condition.
- Shape: Tubular
- Heat treatment: Solution treatment and aging
- Surface Treatment: Turned
We supply 1.2779 in various custom sizes
Tubular
Chemical Composition (%)
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | V | B | Ti | H | O | N |
| 1.2779 | ≤0.080 | ≤1.000 | ≤2.000 | ≤0.030 | ≤0.030 | 13.50-16.00 | 1.00-1.50 | 24.00-27.00 | 0.10-0.50 | 0.003-0.010 | 1.90-2.30 | ≤10ppm | ≤80ppm | ≤100ppm |
Main characteristics of 1.2779 open die forging parts
- Precipitation-hardening austenitic structure – outstanding high-temperature creep strength
- Excellent thermal fatigue & oxidation resistance – adapts to cyclic hot working conditions
- Good toughness and wear performance – extends die service life
- Fine hardenability – ensures uniform hardness for large cross-section parts
1.2779 open die forging part applications
1.2779 steel For Automotive and Locomotive Manufacturing
1.2779 steel offers excellent high-temperature creep strength and toughness, ensuring long service life for engine and load-bearing parts in automotive and locomotive manufacturing.
1.2779 steel for Molds and Extrusion Tools
1.2779 steel features strong thermal fatigue resistance and wear performance, extending service life of extrusion dies, casting molds and forming tools.
1.2779 steel for Oil, Gas, and Chemical Equipment
1.2779 steel delivers superior oxidation and corrosion resistance under high pressure, suited for valves, pipelines and critical oil & chemical equipment parts.
Our production technology for 1.2779 open die forging parts
- EAF
- LF
- VD
- ESR
- UT 100% SEP1921 Class 3 D/d or E/e
- Spheroidized microstructure as per standard NADCA207-2003 AS1-AS9
- Macrostructure, microstructure, grain size, and impact toughness shall meet the standards specified in GB/T 1299-2025 for Tool and Die Steels.
Why Choose NSPM as Your 1.2779 open die forging parts Supplier
Source Direct
Direct mill cooperation ensures stable supply, competitive pricing, and consistent quality. Global resource integration and strong supply chain management guarantee reliable material sourcing and long-term availability.
Stock Ready
50,000+ tons inventory across 11 warehouses enables fast delivery. Flexible cutting, short lead times, and ready stock support urgent demands and improve customers’ production efficiency.
Expert Team
600+ professionals, including R&D specialists and technical engineers, provide application-driven support. Fast response and deep tooling knowledge ensure accurate solutions for diverse industrial needs.
Fully Inspected
Strict quality control system with full traceability, UT testing, and heat treatment records. Certified standards (ISO, CE) ensure every material meets high-performance and reliability requirements.
Full-Chain Machining
From steel supply to precision machining, heat treatment, and equipment manufacturing, NSPM offers integrated solutions that enhance accuracy, efficiency, and overall tooling performance.
