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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 943/A 943M (2009) | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.10 | ||
| Si | 0.75 | |||
| Mn | 2.00 | |||
| P | 0.045 | |||
| S | 0.03 | |||
| Cr | 22.0 | 24.0 | ||
| Ni | 12.0 | 16.0 | ||
| Nb | 1.100 |
| Tensile strength | 608～387 | σb/MPa |
| Yield Strength | 074 | σ 0.2 ≥/MPa |
| Elongation | 44 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 896～694 | - |
| HRC | 30 | - |
| Thermal expansion | 21-79 | e-6/K |
| Thermal conductivity | 15-30 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 9624-6438 | 째C |
| Density | 1376-2722 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| A 943 TP309HCb 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 |
