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Stainless steel strip for springs - Technical delivery conditions
X12CrMnNiN17-7-5, 1.4372,AISI 201, 1H17N4G9 is used for household appliances (pots, trays, sinks, washing machines, refrigerators), dairy equipment (tanks, vats, pasteurizers, centrifuges), brewery equipment (fermentation tanks, barrels), catering equipment (refrigerated cabinets, buffet tables, but pressed boilers for cooking salty dishes must be saturated after forming), equipment and fittings in the chemical, petrochemical and paper industries (heat exchangers, coolers, tanks, pumps, pipelines), architectural facade and interior window frames and other elements, automotive accessories (wipers, bumpers, hubcaps), equipment for passenger trains and ships, as well as medical and dental instruments and vessels.
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | EN 10088-1 | Stainless steels - Part 1: List of stainless steels |
| 2 | EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 3 | EN 10088-3 | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
| 4 | EN 10088-4 | Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes |
| 5 | EN 10088-5 | Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes |
| 6 | EN 10151 | Stainless steel strip for springs - Technical delivery conditions |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.015 | |||
| Si | 1.00 | |||
| Mn | 5.50 | 7.50 | ||
| P | 0.045 | |||
| S | 0.015 | |||
| Cr | 16.00 | 18.00 | ||
| Mo | ||||
| Ni | 3.50 | 5.50 | ||
| N | 0.05 | 0.25 |
| Tensile strength | 526～071 | σb/MPa |
| Yield Strength | 779 | σ 0.2 ≥/MPa |
| Elongation | 91 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 912～887 | - |
| HRC | 30 | - |
| Thermal expansion | 38-34 | e-6/K |
| Thermal conductivity | 32-30 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 3700-4807 | 째C |
| Density | 3047-7392 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| X12CrMnNiN17-7-5, 1.4372,AISI 201, 1H17N4G9 Stainless Steels | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |