Turkish
Stainless Steel Spring Wires
All kinds of energies are converted to thermal energy at one point. You can reduce the thermal energy and keep it as potential energy. Stainless steel wires for spring applications have a broad range of usage such as automotive, construction, space, house appliances, food and pharmacy industries.
Cold rolled steel spring wires that can be obtained: compression spring, extension spring, torsion spring, special form springs which require high surface tensile. For battery manufacturing purposes Ni coated (Ni-Br) wires are provided.
Stainless steel wires for springs are provided on standard up to 0.80 mm with shiny surface and in different type of spools, all sizes above 0.20 mm and thicker are provided as coils with soap coating and nickel coating.
Approximately more than 150 different sizes from 0.10 mm to 12 mm can be found in Kromtel stocks.
|
Kromtel Norm |
AISI | Werkstoff Nr. | Application |
| K302 | 302 | 1,4310 | K302 quality wires are the most common used ones. They have almost no magnetic characteristics and are general purpose wires. |
| K302 (Ni-Br) |
302 (Ni-Br) |
– | Those wires are used for battery springs due to their excellent soldering characteristics and have a shiny surface that is coated with nickel. |
| KOSNIC | – | – | Those wires are used for battery springs due to their excellent soldering characteristics and have a shiny surface that is coated with nickel. |
| K304 | 304 | 1,4301 | K304 quality wires are used for general purposes and do not have magnetic features. |
| K316 | 316 | 1,4401 | Due to its high level of Nickel and Molybdenum it shows high resistance against corrosion. K316 quality wires which show high resistance against rusting can be used for springs that are utilized in acidic environments. |
| K316Ti | 316Ti | 1,4571 | K316Ti shows higher resistance to corrosion than 316 quality due to the titanium included. These can be used for springs utilized in acidic environments. |
| K631 | 631 | 1,4568 | The K631 has the highest property for heat, corrosion and spring compatibility. Heat annealing allows the higher surface tensile strength. It has the highest resistance against metal deformation and fatigue. |
♦ Physical Properties ♦
| Wire Diameter mm |
Tensile Strength (N/mm2) |
|||
| K302 – K304 | K316 | K631 | ||
| 0.08-0.20 | 2150-2400 | 1650-1900 | 1950-2000 | |
| 0.23-0.40 | 2050-2300 | 1600-1850 | 1930-2180 | |
| 0.45-0.60 | 1950-2200 | 1600-1850 | 1850-2100 | |
| 0.65-1.00 | 1850-2100 | 1530-1780 | 1800-2050 | |
| 1.20-1.40 | 1750-2000 | 1450-1700 | 1700-1950 | |
| 1.60-2.00 | 1650-1900 | 1400-1650 | 1600-1850 | |
| 2.30-2.60 | 1550-1800 | 1320-1570 | 1500-1750 | |
| 2.90-4.00 | 1450-1700 | 1230-1480 | 1400-1650 | |
| 4.50-6.00 | 1350-1600 | 1100-1350 | 1300-1550 | |
| 7.00-8.50 | 1300-1500 | 1080-1240 | 1200-1380 | |
| 9.00-12.00 | 1250-1440 | 1050-1210 | – | |
DIAMETER: 0.10 mm – 12 mm
♦ STANDARDS ♦ | ||
| ABD: ASTM A.313 | Germany : DIN 17224 | |
| England : BS 2056 | Japan : JIS G 4314 | |
♦ SURFACE PROPERTIES ♦ | ||
| Coated Surfaces: | ||
| S. Coated (S-CO) : | Powder Coated | 0.20 – 10.00 mm |
| Ni Coated (Ni-CO): | Nickel Coated + Powder Coated | 0.23 – 1.20 mm |
| Cu Coated(Cu-CO): | Copper Coated + Powder Coated | 0.80 – 1.20 mm |
| Shiny Surfaces: | ||
| Oil Drawn: 0.10 – 0.80 mm | ||
| Ni Coated: | Nickel coated, shiny, oil drawn | 0.20 – 0.80 mm |
| Cu Coated: | Nickel coated, shiny, oil drawn | 0.15 – 0.80 mm |
| Mechanically polished: | 0.80 – 6.00 mm | |