Cobranox 12

Corrosion and abrasion resistant steel

COBRANOX 12 is a duplex structure steel (ferrite martensite) with high levels of chromium giving excellent resistence to both corrosion and abrasion. Its lifetime is around 10 times superior to that of a normal mild steel.

The mechanical characteristics of COBRANOX 12 means that in many cases it can be used instead of a type 304 stainless grade. The very high sliding coefficient compared to normal mild steel enables COBRANOX 12 to efficiently combat the sticking phenomenon.

Dimensions

Thicknesses (mm) Formats (mm)
3 - 20 1500 × 3000
2000 × 6000

Delivery condition

As rolled.

Heat resistance

The excellent heat resistant properties of COBRANOX 12 enable it to be used where applications have a continuous temperature of up to 500 °C.

Fields of application

COBRANOX 12 has a wide range of applications:

  • Petro-chemical industry
  • Sugar production
  • Agricultural industry
  • Recycling industry
  • Coal production and handling

Chemical composition

Typical values (weight %).

Si Mn P S Cr Ni N
≤ 0.03 ≤ 1.00  ≤ 1.50 ≤ 0.04 ≤ 0.03 ≤ 12 ≤ 1.5 ≤ 0.03

Mechanical properties in delivery conditions

Hardness (HB)  UTS (MPa) Ys (MPa) KCVL -20°C (J) E (%)
≤ 220 550 355 35 27