Hunan Fushun Metal Co., Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 40,000tons/year |
| Delivery Time | 15-30 days |
| Packaging Details | nylon/pallet/case |
| Thickness | 0.1 to 6 mm |
| Width | 10 to 400 mm |
| Delivery condition 1 | Cold rolled + hardened + tempered |
| Delivery condition 2 | Cold rolled + soft annealed : G |
| Steel Number | 1.1203 |
| Steel Grade | Ck55 |
| Surface Condition | bright, grey-blue, polished, polished and colour-tempered |
| Form | Steel Coils strips |
| Standard | DIN 17222 |
| Brand Name | Fushun |
| Model Number | Ck55 1.1203 |
| Certification | ISO9001:2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 40,000tons/year |
| Delivery Time | 15-30 days | Packaging Details | nylon/pallet/case |
| Thickness | 0.1 to 6 mm | Width | 10 to 400 mm |
| Delivery condition 1 | Cold rolled + hardened + tempered | Delivery condition 2 | Cold rolled + soft annealed : G |
| Steel Number | 1.1203 | Steel Grade | Ck55 |
| Surface Condition | bright, grey-blue, polished, polished and colour-tempered | Form | Steel Coils strips |
| Standard | DIN 17222 | Brand Name | Fushun |
| Model Number | Ck55 1.1203 | Certification | ISO9001:2008 |
| Place of Origin | China | ||
| High Light | 1.1203 Cold Rolled Steel Strips ，DIN 17222 Tempered Spring Steel Strips ，Ck55 Cold Rolled Spring Steel Strip | ||
Cold rolled steel strip for springs is distinguished by high dimensional accuracy and good surface quality and, in the cold rolled + hardened + tempered condition (H + A) offers the possibility of achieving high values of hardness, tensile strength and elastic limit.
Ck55 steel has a higher (0.55%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering.
Thickness: 0.1 to 4mm; Tolerances: +/- 0.008 to 0.11 mm
Width: 10 to 600mm; Tolerances: +/- 0.15 to 0.60mm
| Steel grade according to DIN 17 222 | Comparable grade according to EURONORM 132 | |
| Code number | Material number | |
| Ck55 | 1.1203 | 1 CS55 |
| Steel number | grade number | C | Si | Mn | P | S |
| Ck55 | 1.1203 | 0.52 to 0,60 | 0,15 to 0,35 | 0,60 to 0,90 | 0,045 | 0,045 |
Cold rolled + soft annealed : G
Cold rolled + hardened + tempered : H + A
| Steel number | grade number | Tensile strength N/mm2 maximum | Elongation at break (L = 80 mm) % minimum | Vickers hardness maximum |
| Ck55 | 1.1203 | 610 | 13 | 180 |
| Steel number | grade number | Tensile strength N/mm2 |
| Ck55 | 1.1203 | 1150 to 1650 |
| Steel number | grade number | Vickers hardness |
| Ck55 | 1.1203 | 340 to 490 |
Strip to be supplied in the
1 cold rolled + soft annealed G or
2 cold rolled + soft annealed + cold rolled (G + K) condition
must have a bright, metallically clean surface.
Cold rolled + hardened + tempered (H + A) strip is supplied, as agreed at the time of ordering, with
1 grey-blue (GR),
2 bright (8K),
3 polished (P) or
4 polished and colour-tempered (P & AF) surface.
Approximate values for heat treatment and minimum hardness values in the hardened condition of cold rolled steel strips for springs
| Steel number | grade number | Annealed °C | Hardened in oil at °C | Tempered to °C | Vickers hardness in hardened condition minimum |
| Ck55 | 1.1203 | 650 to 690 | 830 to 860 | 300 to 500 | 650 |
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
Company Details
Business Type:
Manufacturer
Year Established:
1998
Total Annual:
10 millon-100 millon
Employee Number:
50~99
Ecer Certification：
Site Member
For over 20 years, Fushun Steel, have been dedicated to manufacturing high-quality spring steel wire. Our stable quality and superior technique are the foundations of our success, and we pride ourselves on delivering products that meet or exceed our customers' expectations. With a focus on innov... For over 20 years, Fushun Steel, have been dedicated to manufacturing high-quality spring steel wire. Our stable quality and superior technique are the foundations of our success, and we pride ourselves on delivering products that meet or exceed our customers' expectations. With a focus on innov...
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