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Spring steel

Stainless Steel - SS bar or plate

"Standard" spring steel comes in several grades. At Roveron, Class-C spring steel is the most commonly used standard wire grade.

The table below shows the applications for wire and sheet steel and then the desired heat treatments to have optimum springs in the desired conditions.

For leaf springs, C75 is the most common "ordinary" steel grade. In practice, however, this is a type of material, which will crack very often under the influence of buiding. We often advise our customers to choose stainless steel spring band steel.

Description
Material No.
En/Din
Application
Kl-B
1.0600
EN 10270-1/ DIN 17223-1
Wire; standard spring steel of standard level
Kl-B
1.1200
EN 10270-1 / DIN 17223-1
Wire; standard spring steel of high level
CrV
1.8159
EN 10277-5 / DIN 17221 17222
As carbon steel, but for thick wire
C75
1.1248
EN 10132-4 / DIN 17222
Plate: standard non-stainless steel leaf spring steel
C100
1.1274
EN 10132-4 / DIN 17222
Plate: extra hard and wear-resistant non-stainless steel leaf spring steel
Material
Operating Temp.
Heat Treatment After Winding
KI-B
Tot 200°C
240°C for 1 hour + Air cooling (A.C.)
KI-C
Tot 200°C
240°C for 1 hour + Air cooling (A.C.)
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