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1Cr11Ni2W2MoV is a high-performance low-alloy steel alloyed with chromium, nickel, tungsten, molybdenum, and vanadium, providing outstanding high-temperature strength, corrosion resistance, and wear resistance.
It is widely used in steam turbines, boilers, high-temperature industrial machinery, and chemical processing equipment, where standard steels cannot withstand high temperature and corrosive conditions.
Internationally, it is recognized as EN 1.4980, suitable for power generation and high-stress industrial applications.
SEO Keywords Embedded: 1Cr11Ni2W2MoV steel, high-strength alloy steel, EN 1.4980, boiler parts, steam turbine components, high-temperature steel, corrosion-resistant alloy steel, power generation machinery.
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Chemical Composition (%)
| Element | Content |
|---|---|
| C | 0.08 – 0.15 |
| Cr | 10.5 – 12.0 |
| Ni | 1.5 – 2.5 |
| W | 1.8 – 2.3 |
| Mo | 1.8 – 2.3 |
| V | 0.15 – 0.25 |
| Mn | ≤ 0.8 |
| Si | ≤ 0.5 |
| P | ≤ 0.03 |
| S | ≤ 0.03 |
| Fe | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 750 – 950 MPa |
| Yield Strength | ≥ 450 MPa |
| Elongation | ≥ 15% |
| Hardness (HRC) | 20 – 30 (after heat treatment) |
| High-Temperature Strength | Maintains ≥ 80% of room temp strength up to 550°C |
Key Features
High-temperature strength for steam turbines, boilers, and industrial machinery
Excellent corrosion and oxidation resistance at elevated temperatures
Good wear and fatigue resistance, suitable for rotating and stressed components
Hardenable and weldable, suitable for complex geometries
Nickel, tungsten, and molybdenum improve creep resistance and thermal stability
Applications
Steam turbine blades, shafts, and rotors
Boiler pressure parts
High-temperature industrial machinery
Chemical processing components exposed to heat and corrosion
Power generation equipment requiring long-term reliability at elevated temperature
Welding & Fabrication
Preheating recommended before welding
Suitable welding methods: TIG, MIG, arc welding
Post-weld heat treatment restores mechanical properties and corrosion resistance
Machinable in annealed condition; hardened components require sharp tools and controlled feed rates
International Equivalent Standards
| China GB | ASTM / UNS | EN / DIN | ISO |
|---|---|---|---|
| 1Cr11Ni2W2MoV | N/A | 1.4980 | 1.4980 |
Industry Case Studies
Case 1: Steam Turbine Blades
Material: 1Cr11Ni2W2MoV
Benefit: Maintains strength at elevated temperatures and high stress
Outcome: Extended blade life by 35% compared to standard 12Cr steel
Case 2: Boiler Pressure Parts
Material: 1Cr11Ni2W2MoV
Benefit: Excellent corrosion and oxidation resistance
Outcome: Reduced maintenance and replacement frequency
Case 3: High-Temperature Rotors
Material: 1Cr11Ni2W2MoV
Benefit: Fatigue and wear resistance under cyclic thermal load
Outcome: Improved reliability and operational efficiency
FAQ
1️⃣ What is 1Cr11Ni2W2MoV steel?
1Cr11Ni2W2MoV is a high-strength, low-alloy heat-resistant steel alloyed with chromium, nickel, tungsten, molybdenum, and vanadium. It offers excellent high-temperature strength, corrosion resistance, and wear resistance, widely used in power generation and industrial machinery.
2️⃣ What are the main applications of 1Cr11Ni2W2MoV?
Steam turbine blades, rotors, and shafts
Boiler pressure parts and high-temperature piping
High-temperature industrial machinery components
Chemical processing equipment exposed to heat and corrosion
Power generation equipment requiring long-term high-temperature reliability
3️⃣ Can 1Cr11Ni2W2MoV be hardened?
Yes, it can be heat treated (quenching and tempering) to achieve high strength and wear resistance at both room and elevated temperatures.
4️⃣ Is 1Cr11Ni2W2MoV weldable?
Yes, standard welding methods (TIG, MIG, arc welding) are applicable. Preheating and post-weld heat treatment are recommended to maintain mechanical properties and corrosion resistance.
5️⃣ What is the typical operating temperature?
Maintains mechanical strength and corrosion resistance up to 550°C
Suitable for steam turbines, boilers, and high-temperature industrial machinery
6️⃣ What mechanical properties does 1Cr11Ni2W2MoV have?
Tensile Strength: 750–950 MPa
Yield Strength: ≥ 450 MPa
Elongation: ≥ 15%
Hardness: 20–30 HRC after heat treatment
High-temperature strength retained ≥ 80% up to 550°C
7️⃣ What forms are available?
Plates, sheets, bars, tubes, and pipes for high-temperature and high-load applications
8️⃣ How does 1Cr11Ni2W2MoV compare to 12Cr steel or other low-alloy heat-resistant steels?
Better high-temperature strength and creep resistance
Improved corrosion and oxidation resistance
Enhanced wear and fatigue resistance under cyclic thermal loads
9️⃣ Can 1Cr11Ni2W2MoV be used in chemical processing?
Yes, it is suitable for equipment exposed to high-temperature and mildly corrosive chemical environments, ensuring durability and long-term performance.
🔟 What international standards does 1Cr11Ni2W2MoV comply with?
China GB: 1Cr11Ni2W2MoV
EN / DIN: 1.4980
ISO: 1.4980
Contact Us
For inquiries, technical support, or customized solutions regarding 1Cr11Ni2W2MoV (EN 1.4980) alloy steel products, please contact our professional team. We provide fast response, global shipping, and tailored services to meet your power generation, chemical, and industrial machinery requirements.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+8615769214734
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