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backrust resistant steels
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Quality 1.4550
Grade
Z6CNNb18.10
AISI/UNS + Alloy
AISI 347, UNS S34700
Material Specifications
EN 10088-3, AD 2000 W 2, ASTM A 479, UNS S34700, AISI 347, ASTM A182, EN 10272, UNS S34700
Treatment
solution annealed
Mechanical Specifications
510 - 740 N/mm²
Shape
Round
8 mm - 265 mm
Chemical Analysis
| C: | max. 0,08 % |
| Cr: | 17,0 - 19,0 % |
| Mn: | max. 2,0 % |
| Ni: | 9,0 - 12,0 % |
| P: | max. 0,045 % |
| S: | max. 0,015 % |
| Si: | max. 1,0 % |
| Nb: | max. 1,0 % |
Application
The material 1.4550 is a stainless austenitic chromium-nickel steel, niobium stabilized. Resistant to intergranular corrosion up to 400 °C. Applications: plant engineering, apparatus engineering, power generation, mechanical engineering, power plant engineering, nuclear and apparatus engineering as well as components in the food industry.