Stainless, acid- and heat-resistant steels have an excellent resistance to corrosive media, provide high strength and elongation, and high thermal stability. Stainless steels are commonly divided into five groups: martensitic stainless steels, ferritic stainless steels, austenitic stainless steels, Duplex (ferritic-austenitic) stainless steels, and precipitation-hardening stainless steels. Because of their outstanding properties, they are used in chemical industry, in mechanical engineering, in food industry, and in the energy, medicine, traffic and transport industries.
| Brand Name |
Ravne No. |
Mat. No. |
DIN |
AISI |
| 12MN |
901 |
1.3401 |
X120Mn12 |
A128 grade A |
| PK2SP |
911 |
1.4057 |
X17CrNi16-2 |
431 |
| PK3 |
905 |
1.4021 |
X20Cr13 |
420 |
| PK4EX |
902 |
1.4034 |
X46Cr13 |
420 |
| PK330 |
330 |
1.4006 |
X12Cr13 |
410 |
| PK335 |
335 |
1.4122 |
X39CrMo17-1 |
- |
| PK346 |
346 |
1.4542 |
X5CrNiCuNb16-4 |
17-4PH |
| PK348 |
812 |
1.4125 |
X105CrMo17 |
440C |
| PK924 |
924 |
1.4724 |
X10CrAl13 |
- |
| PT929 |
929 |
1.4922 |
X20CrMoV11-1 |
|
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