Strip steel - list of alloys

Our program of strip steel includes an extensive range of materials with very good properties with respect to, for example, strength, hardness and workability.

The tables below show our standard program (other grades are available on request) and include:

  • Alloyed non-stainless steels and carbon steels
  • Martensitic stainless steels
  • Precipitation hardening stainless steels
  • Austenitic stainless steels
  • Duplex (austenitic-ferritic) stainless steels
  • Nickel alloys

We also provide coated strip steel.

Alloyed non-stainless steels and carbon steels

These steels, when cold-rolled, have very good properties in terms of forming, blanking and machining. Subsequent hardening and tempering makes the steel hard, tough, resistant to wear and suitable for use as springs and other strength applications.

Our grade Designation by standard Distinguishing property Typical applications
Alleima® 20C
ASTM 1095
W.Nr. 1.1274
SS 1870
Fatigue strength Shock absorbers shims, blanked and formed parts, springs, doctor blades, tannery knives, butcher bandsaws
Alleima® 20C compressor valve steel ASTM 1095
W.Nr. 1.1274
SS 1870
Fatigue strength Compressor valves
Alleima® 20C2* SS 2258 Fatigue strength
Wear resistance
Doctor blades
- - Carpet knives, industrial knives, pruning shears

*Contact us for more information

Martensitic stainless steels

Martensitic stainless steels have excellent properties for forming and grinding sharp edges and, after hardening and tempering, also good resistance to corrosion. Their special characteristics include good resistance to wear, high fatigue strength and very good flatness, as well as uniform mechanical properties along and across the rolling direction (isotropic properties).

Our grade

Designation by standard

Distinguishing property

Typical applications

Alleima® 14C28N

-

-

High quality professional knives

Alleima® 6C27

ASTM 420

EN 1.4028

W.Nr. 1.4007

SS 2304

-

Components in electric shavers, kitchen spatulas

Hiflex™

-

Fatigue strength

Compressor valves

Alleima® 7C27Mo2

-

Fatigue strength

Knives, components in electric shavers, print belts, meat saws, doctor blades, springs

Alleima® 7C27Mo2 flapper valve steel

-

Fatigue strength

Compressor valves

Alleima® 12C27M

EN (1.4034)

-

Kitchen knives, scissors

Alleima® 12C27

-

-

Knives, scissors, skate blades

Alleima® 13C26

-

-

Household knives, industrial knives, doctor blades

Alleima® 13C26 razor blade steel

-

-

Razor blades

Alleima® 19C27

-

-

Industrial knives for plastic/synthetic fibres, paper etc.

Alleima® 10C28Mo2

-

-

Butcher's knives, chef's knives, fishermen's knives, folding knives, hunting knives, kitchen knives and pocket knives.

Some of these grades in hardened and tempered condition goes under the brand name Chromflex™

Precipitation hardening stainless steels

Precipitation hardening stainless steels provide excellent mechanical strength and good corrosion resistance after an ageing heat treatment, particularly when carried out after the product has been worked to its final shape. This allows fabrication while the material is relatively soft and can be formed readily, making it suitable for products with a complex shape. Precipitation hardening steels often have a martensitic microstructure and contain alloying elements such as Ti, Cu, Al and Nb, which provide increased strength.

Our grade Designation by standard Distinguishing property Typical applications
Alleima® 9RU10

ASTM 631
EN 1.4568
W.Nr. 1.4568
SS 2388

Tempering effect

Relaxation resistance at elevated temperatures

Springs and parts with very complicated forms for e.g. hinges, couplings, washers and thermostats
Nanoflex™

UNS S46910

Tempering effect

Relaxation resistance at elevated temperatures

Formability

Parts with very complicated forms for e.g. components in electric shavers

Austenitic stainless steels

Austenitic stainless steels have superior qualities regarding resistance to corrosion combined with very good spring properties, low relaxation and high fatigue strength. The strength in these grades is achieved by cold rolling, which makes them available in a wide range of dimensions and mechanical properties. A further increase in strength can be obtained by a simple heat treatment in the temperature range 350-480oC (662-896oF), depending on grade.

Our grade Designation by standard Distinguishing property Typical applications
Alleima® 12R11 ASTM (301)
EN 1.4310
W.Nr. 1.4310
SS 2331
- Springs and other formed parts for e.g. diaphragms and electrical connectors
Alleima® 11R51

ASTM (301)
EN 1.4310
W.Nr. 1.4310
SS 2331

Fatigue strength

Relaxation resistance

Springs and other formed parts for e.g. hinges, thermostats and gaskets for electromagnetic shielding
Alleima® 13RM19
EN 1.4369
- Non-magnetic Springs and other formed parts for non-magnetic applications
Alleima® 2RK65 HV UNS N08904
EN 1.4539 

Corrosion resistance

Cleanliness

-

*Contact us for more information

Duplex (austenitic-ferritic) stainless steels

Duplex stainless steels have excellent corrosion properties and are not as sensitive to stress corrosion cracking (SCC) as austenitic steels. Thermal expansion is lower than for austenitic steels, which can offer design advantages in certain cases.

Our grade Designation by standard Distinguishing property Typical applications
Springflex™ UNS S31803, S32205
EN 1.4462
High strength and stress corrosion cracking resistance in chloride containing environments Springs e.g. in marine environments, pulp and paper industry. Strip for welded tubes, cable insulation and flexible tubing
SAF™ 2507 UNS S32750
EN 1.4410
Very high strength and stress corrosion cracking resistance in chloride containing environments Springs e.g. in seawater service, marine environments, pulp and paper industry. Strip for welded tubes, cable insulation and flexible tubing
SAF™ 3207 HD UNS S33207 Exceptionally high mechanical strength and excellent resistance to SCC in H2S and chloride environments Ideal for marine applications subjected to static or dynamic loading

* Contact us for more information

Nickel alloys

Depending on alloy composition and condition, nickel alloys can provide properties like excellent resistance to wet corrosion or high temperature corrosion as well as high temperature strength and creep resistance. This makes them suitable for especially demanding applications. Common alloying elements are, for example, Cr, Mo, Ti and Al.

Our grade Designation by standard Distinguishing property Typical applications
Sanicro™ 75X

UNS N07750

Mechanical properties at elevated temperatures up to 800oC (1472oF)

Resistance to gas corrosion at high temperatures

Spring properties up to 600oC (1112oF)

Positioning devices in nuclear power fuel assemblies (low cobalt content makes the grade especially suitable for nuclear applications). Springs and other parts exposed to high temperatures and/or a very corrosive environment