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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 572/A 572M (2012) | High-Strength Low-Alloy Columbium-Vanadium Structural Steel |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.22 | |||
| Si | 0.40 | |||
| Mn | 0.75 | |||
| P | ||||
| S | ||||
| Ni | 0.75 | |||
| Cr | 12.50 | |||
| Al | ||||
| Cu | ||||
| Ti | ||||
| Fe | remaining | |||
| N | ||||
| Mo | 1.00 | |||
| W | 1.00 | |||
| V | 0.22 |
| Tensile strength | 933～163 | σb/MPa |
| Yield Strength | 325 | σ 0.2 ≥/MPa |
| Elongation | 45 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 259～125 | - |
| HRC | 30 | - |
| Thermal expansion | 08-04 | e-6/K |
| Thermal conductivity | 69-68 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4465-0014 | 째C |
| Density | 7160-9293 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| A 572 Grade 42 Type 2 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 |
