C55S 1.1204 Cold Rolled Narrow Spring Steel Strip

C55S 1.1204 Cold Rolled Narrow Spring Steel Strip

Grade : C55S Number: 1.1204

Dimensions and tolerances
Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm
Width: 10 to 400 mm; Tolerances: +/- 0.15 to 0.60
*accept nonstandard size, please contact with our sales.

Our Advantage
1. Precise thickness, uniform hardness. Bright surface, smooth edge.
2. High flatness of board surface, high performance after multiple bending.
3. No cracking after stamping, and the quality is stable. And we provide Self-Inspection Reports and Raw-Material Test Certificates.
4. Professional anti-rust protective packaging. On time delivery, competitive price.
5. Large stock available, no MOQ requirement

C55S 1.1204 Cold Rolled Spring Steel Strip Chemical composition

C55S 1.1204 Cold Rolled Spring Steel Strip Mechanical properties

C55S 1.1204 Cold Rolled Spring Steel Strip Delivery condition

Cold rolled narrow steel strip covered by EN10132-4 shall be supplied in one of the following delivery conditions:

1 cold rolled and annealed or annealed and skin passed(+A or +LC);

2 cold rolled(+CR);

3 spheroidized carbides(+AC)

We also can supply quenched and tempered(+QT).

C55S 1.1204 Cold Rolled Spring Steel Strip Surface finish

The surface finish of cold rolled narrow steel strip shall be bright as produced by rolling and annealing in a controlled atmosphere.

C55S 1.1204 Cold Rolled Spring Steel Strip Mandatory information

The following information shall be supplied by the purchaser at the time of enquiry and order to enable the supplier to comply with the requirements of this European Standard:

a) the quantity to be delivered;

b) the dimensions and tolerances on dimensions and shape and, if applicable, letters

denoting relevant special tolerances;

c) the number of the dimensional standard (EN 10140);

d) the designation of the product form (cold rolled narrow strip);

e) the delivery condition

f) steel name or steel number

g) the number of this European Standard including the number of the relevant part;

h) if required, the type of inspection document in accordance with EN 10204.

cold-rolled spring steel strips are gaining popularity in various industries. They are increasingly being implemented in engineering projects, through a fairly large number of small component manufacturers, parts and machine components.By making the right choice to buy steel strips, we reduce the amount of waste produced, thereby saving time and space. With a constant focus on the needs and requirements of our customers, we have created a unique offer.

Spring steel strip is used to build springs for a great variety of purposes. Below especially the cold rolled (carbon as well as stainless) spring steel strip will be described in detail. The most common production width of spring steel strip is about 300 mm (11.811 inches). As a matter of course spring steel strip can be slit or cut to length (sheets). We supply a very wide range of high carbon and alloys, covering the most stringent industrial requirements. We have also developed a unique know-how in the design of custom solutions for special applications.

C55S 1.1204 Cold Rolled Spring Steel Strip Decarburization

For silicon alloyed steels, decarburization shall not exceed 3% of the material thickness per side,for non silicon alloyed steels, decarburization shall not exceed 2% of the material thickness per side when measure data distance of 5mm from the stripe edge

C55S 1.1204 Cold Rolled Spring Steel Strip Inspection and testing

verification of the dimensions

visual examination of the surface quality

Chemical analysis

Extent of testing

Tensile and bending tests

Tolerances on shape