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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | GB 13296 (2007) | Seamless stainless steel tubes for boiler and heat exchanger |
| 2 | GB 2270 (1980) | Seamless tubes |
| 3 | GB 5310 (1999) | Seamless steel tubes and pipes for high pressure boiler |
| 4 | GB/T 1220 (1992) | Stainless steel bars |
| 5 | GB/T 12770 (2002) | Welded stainless steel tubes for machine structures |
| 6 | GB/T 12771 (2000) | Welded stainless steel pipes for liquid delivery |
| 7 | GB/T 14975 (2002) | Stainless steel seamless tubes for structures |
| 8 | GB/T 14976 (2002) | Stainless steel seamless tubes for fluid transport |
| 9 | GB/T 18705 (2002) | Welded stainless steel pipes for decoration |
| 10 | GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates |
| 11 | GB/T 4226 (2004) | Cold finished stainless steel bars |
| 12 | GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates |
| 13 | GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips |
| 14 | GB/T 4240 (1993) | ainless steel wires |
| 15 | GB/T 4356 (2002) | Stainless steel wire rods |
| 16 | JB/T 6398 (2006) | Heavy stainless acid resistant and heat resistant steel forgings |
| Material | Standard | Country |
| Y1Cr18Ni9 | GB | China |
| Y1Cr18Ni9Se | GB | China |
| 1Cr18Ni9Ti | GB | China |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.15 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.035 | |||
| S | 0.030 | |||
| Ni | 8.00 | 10.00 | ||
| Cr | 17.00 | 19.00 |
| Tensile strength | 253～131 | σb/MPa |
| Yield Strength | 358 | σ 0.2 ≥/MPa |
| Elongation | 29 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 870～942 | - |
| HRC | 30 | - |
| Thermal expansion | 71-63 | e-6/K |
| Thermal conductivity | 70-02 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 7756-6538 | 째C |
| Density | 4629-2433 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 1Cr18Ni9 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 |