Hot rolled stainless steel strips in coil AISI 420B, W.-Nr. 1.4028 ( DIN X30Cr13 )
Stainless steel grade W.-Nr. 1.4028 ( DIN X30Cr13 ) is inexpensive and highly corrosion resistant steel.
It has good corrosion resistance in mild atmosphere as well as domestic and industrial environments.
It is also resistant to dilute nitric acid, carbonic acid,ammonia,crude oil, detergent solutions, vinegar, food acids,
several petroleum products, and steam.
Chemical composition ( in weight % )
surgical instruments, diving knives, steel balls etc.
Annealing of this material can be performed by heating uniformly to 840-900°C (1544-1652°F) and
held until the temperature is uniform throughout the section.
Soaking and cooling is required.
Stainless steel grade DIN X30Cr13 can be hardened by heating 950- 1020°C (1742-1868°F) and
held until temperature is uniform throughout the section.
This should be followed by quenching in oil or air cooling.
Tempering should be done when it is slightly warm.
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