Spring Steel |
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Carbon spring steel is held in a wide range of sizes. Detailed below are our most common specifications. Carbon steel strip and spring steel sheet is available most commonly in the hardened and tempered condition, though certain sizes are available in the annealed condition. Round and flat bar is stocked in the as rolled condition. Most spring steel specifications are held to British Standard steel specifications including BS1449 & BS970.
We also hold stock of spring temper rolled stainless spring steel supplied in grade 301 stainless which is an austenitic stainless steel. Stainless spring steels are also stocked in 420 which is a martensitic stainless steel specification.
Shim steel is stocked in grade BS1449 CS4
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TYPICAL ANALYSIS |
EN43 |
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C. |
Si. |
Mn. |
S. |
P. |
0.50% |
0.30% |
0.70% |
0.015% |
0..015% |
EN43 is a carbon spring steel which is supplied in round bar, hexagon, flat and also as spring steel plate and sheet. Plate can be flame cut to your requirements with normalising recommended for this spring steel grade.
TYPICAL ANALYSIS |
EN45 |
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C. |
Si. |
Mn. |
S. |
P. |
0.57% |
2.00% |
0.90% |
0.015% |
0.015% |
EN45 is a silicon manganese spring steel suitable for oil hardening and tempering. Available in round and flat bar. It can be supplied as stock lengths or cut to your requirements
TYPICAL ANALYSIS |
EN47 |
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C. |
Si. |
Mn. |
Cr. |
V. |
0.50% |
0.35% |
0.70% |
1.00% |
0.10% |
EN47 is an oil quenching quality spring steel grade which gives good wear resistance properties after heat treatment. This chromium vanadium spring steel grade is available as round bar and limited sizes are available as flat bar. |
