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Stainless Spring Steel EN 1.4310 ( SUS301 ) Cold Rolled Slit Strip / Precision Strip
Stainless spring steels are classified as austenitic stainless steel.
Due to their good balance of mechanical properties, they are the most widely used type of steel.
They can be used in a variety of environments without being plated to prevent rust.
In addition, as it is also possible to increase their hardness by rolling, they can be used as spring parts.
In annealed and lightly rolled materials, they exhibit a large degree of elongation, and can withstand complex processing.
What is SUS301?
SUS301 has a lower chromium and nickel content than SU304, which allows it to harden more when worked.
Its high hardness makes it ideal for applications that require durability such as coil springs and dome switches.
What is SUS304?
SUS304 provides good corrosion resistance, and is the most widely used stainless spring steel strip.
Standard
| AISI, UNS | EN, DIN | JIS | Chemical composition % |
301 S30100 | 1.4310 X10CrNi18-8 | SUS301 | C 0.15, Si 1.00, Mn 2.00, P 0.045, S 0.030, Cr 16.00~18.00, Ni 6.00~8.00 |
304 S30400 | 1.4301 X5CrNi18-10 | SUS304 | C 0.08, Si 1.00, Mn 2.00, P 0.045, S 0.030, Cr 18.00~20.00, Ni 8.00~10.50 |
Mechanical properities of stainless strip for springs
| Grade | Temper symbol | Hardness HV | Yield strength N/mm2 | Tensile strength N/mm2 | Elongtation |
| 301 | 1/2H 3/4H FH EH | 310 min. 370 min. 430 min. 490 min. | 510 min. 745 min. 1030 min. 1275 min. | 930 min. 1130 min. 1320 min. 1570 min. | 10 min. 5 min. - - |
| 304 | 1/2H 3/4H FH | 250 min. 310 min. 370 min. | 470 min. 665 min. 885 min. | 780 min. 930 min. 1130 min. | - 3 min. - |
We offer small quantities with short delivery times.
Hot products! Ultrathin stainless steel foils We can manufacture ultra thin sheets of 0.020 to 0.08 mm. |
For Details, please Contact
Wuxi Guanglu Special Steel Co., Ltd. – your productivity partner for precision strip steel.
We are looking forward to your enquiries.
Please call +86 510-8181-2873
or send an email to export@guanglusteel.com
