High Quality Alloy Steel Sheets & Plates
Grade 5 / 9 / 11 / 12 / 22 / 91 • Formable • Ductile • Machinable
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Alloy Steel Grade 5
- Chromium-molybdenum alloy steel
- Good strength at elevated temperatures
- Excellent resistance to oxidation
- Good weldability after proper heat treatment
- Moderate corrosion resistance
- Minimum tensile strength: ~415–585 MPa
- Used in heat exchangers & boilers
- Suitable for high-temperature piping
- Stable under thermal stress
Alloy Steel Grade 9
- Low-alloy Cr-Mo steel with enhanced creep strength
- Excellent resistance to high-temperature oxidation
- Good toughness and tensile strength
- Performs well in pressure systems
- Good weldability with pre-heat & PWHT
- Minimum tensile strength: ~480–620 MPa
- Used in power plant headers
- Ideal for refinery heaters
- Resists thermal fatigue effectively
Alloy Steel Grade 11
- 1.25Cr–0.5Mo alloy steel
- Improved tensile and yield strength
- Good resistance to high-temperature oxidation
- Excellent creep resistance
- Good weldability after heat treatment
- Minimum tensile strength: ~450–600 MPa
- Used in pressure vessels & turbines
- Suitable for thermal power plants
- Reliable under cyclic thermal loads
Alloy Steel Grade 12
- Cr-Mo alloy steel for elevated temperature service
- Good oxidation and corrosion resistance
- Excellent thermal stability
- Moderate to high tensile strength
- Good formability and machinability
- Minimum tensile strength: ~415–550 MPa
- Used in heat recovery units
- Ideal for steam piping systems
- Performs in moderately high pressure service
Alloy Steel Grade 22
- 2.25Cr–1Mo high temperature alloy steel
- Outstanding creep and rupture strength
- Excellent oxidation resistance
- Superior performance in pressure vessels
- Good resistance to hydrogen attack
- Minimum tensile strength: ~485–620 MPa
- Used in boilers & reactors
- Ideal for petrochemical plants
- Designed for severe thermal service
Alloy Steel Grade 91
- High-strength 9Cr–1Mo-V-N alloy steel
- Exceptional creep resistance at high temperatures
- Superior strength-to-weight ratio
- Excellent resistance to thermal fatigue
- Designed for ultra-supercritical power plants
- Minimum tensile strength: ~585–760 MPa
- Used in boiler headers & steam lines
- Ideal for high-pressure piping systems
- Critical material for modern power generation
The materials we supply undergo a comprehensive range of quality assurance procedures, including eddy current testing, hydrostatic testing, ultrasonic examination, and other essential NDT methods, along with detailed chemical and mechanical property evaluations. Each product is thoroughly inspected at multiple stages of manufacturing to ensure it is free from defects and suitable for demanding industrial applications. Our rigorous testing standards guarantee consistent quality and reliability. In addition, all products are manufactured in accordance with relevant industry norms and specifications, making them fully compliant and widely accepted in both domestic and international markets.
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