Grade 445 / 1.4509 Steel Strip

Grade 445 / 1.4509 Steel Strip

Strip Grade 445 Material Description Strip Grade 445 is a ferritic stainless steel that offers excellent corrosion resistance, high strength, and good machinability. Due to its molybdenum content, this alloy provides improved resistance to chloride corrosion and oxidation at high temperatures. Chemical Composition Element Content (%) Carbon (C) ≤ 0.02 Silicon (Si) ≤ 1.00 Manganese […]

Description

Strip Grade 445

Material Description

Strip Grade 445 is a ferritic stainless steel that offers excellent corrosion resistance, high strength, and good machinability. Due to its molybdenum content, this alloy provides improved resistance to chloride corrosion and oxidation at high temperatures.

Chemical Composition

Element Content (%)
Carbon (C) ≤ 0.02
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 1.00
Phosphorus (P) ≤ 0.04
Sulfur (S) ≤ 0.03
Chromium (Cr) 21.00-23.00
Molybdenum (Mo) 0.90-1.50
Nickel (Ni) ≤ 0.50
Nitrogen (N) ≤ 0.02

Mechanical Properties

Parameter Value
Tensile Strength 450-600 MPa
Yield Strength 250-350 MPa
Hardness 170-210 HB
Elongation 20-30%
Operating Temperature Up to 800°C

Key Advantages

  • High corrosion resistance – withstands exposure to aggressive environments, including seawater and acids.
  • Heat resistance – retains mechanical properties at elevated temperatures.
  • Good weldability – easily weldable without the need for preheating.
  • Enhanced mechanical strength – high wear resistance and durability.

Main Applications

Industry Examples of Use
Construction Roofing materials, facades, structures
Automotive Industry Exhaust systems, body parts
Food Industry Storage tanks, food processing equipment
Shipbuilding Marine components, pipelines

Conclusion

Strip Grade 445 is a high-quality material with excellent anti-corrosion properties and long-lasting durability. It is an optimal choice for use in aggressive environments, particularly in marine, construction, and food industries.

Grade 445 Precision Ribbon

Steel grade Steel Grade 445
Dimensions

Thicknesses

Width

0.035 – 3.00 mm

2 – 400 mm

Delivery status

tempered

cold rolled, annealed

2H – cold rolled

LC – annealed, passivated

QT – tempered

Surface ← Sanded, matte, laminated →

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