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The products in these steel grades are commonly used in the manufacture of pumps, tanks for chemicals, pipelines and installations, heat exchangers, screws, nuts, special coolers, food, chemical, textile, paper and cryogenic equipment, oil and marine industries that require better properties than the 316L.
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | EN 10088-1 |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | |||
| Mn | 2.00 | |||
| Si | 1.00 | |||
| P | 0.045 | |||
| S | 0.015 | |||
| Cr | 16.50 | 18.50 | ||
| Ni | 10.50 | 13.00 | ||
| Mo | 2.50 | 3.00 | ||
| N | 0.10 |
| Tensile strength | 211～321 | σb/MPa |
| Yield Strength | 232 | σ 0.2 ≥/MPa |
| Elongation | 90 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 117～924 | - |
| HRC | 30 | - |
| Thermal expansion | 75-49 | e-6/K |
| Thermal conductivity | 97-57 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 7515-9561 | 째C |
| Density | 4698-3868 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| X3CrNiMo17-13-3, 1.4436, X2CrNiMo18-14-3, 1.4435, 1.4432, X2CrNiMo17-12-3 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 |
