+86-13880247006
E-mail: sales@longhaisteel.com
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | GB 13296 (2007) | Seamless stainless steel tubes for boiler and heat exchanger |
| 2 | GB 4238 (1992) | Heat-resisting steel sheets and plates |
| 3 | GB/T 1220 (1992) | Stainless steel bars |
| 4 | GB/T 1221 (1992) | Heat-resisting steel bars |
| 5 | GB/T 12770 (2002) | Welded stainless steel tubes for machine structures |
| 6 | GB/T 14975 (2002) | Stainless steel seamless tubes for structures |
| 7 | GB/T 14976 (2002) | Stainless steel seamless tubes for fluid transport |
| 8 | GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates |
| 9 | GB/T 4226 (2004) | Cold finished stainless steel bars |
| 10 | GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates |
| 11 | GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips |
| 12 | GB/T 4240 (1993) | Stainless steel wires |
| 13 | GB/T 4356 (2002) | Stainless steel wire rods |
| Material | Standard | Country |
| 1Cr17Ni7 | GB | China |
| 1Cr17Mn6Ni5N | GB | China |
| Y1Cr17 | GB | China |
| 1Cr17Mo | GB | China |
| 1Cr17Ni2 | GB | China |
| 11Cr17 | GB | China |
| Y11Cr17 | GB | China |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | |||
| Si | 0.75 | |||
| Mn | 1.00 | |||
| P | 0.035 | |||
| S | 0.030 | |||
| Ni | 0.60 | |||
| Cr | 16.00 | 18.00 |
| Tensile strength | 357～628 | σb/MPa |
| Yield Strength | 071 | σ 0.2 ≥/MPa |
| Elongation | 27 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 690～346 | - |
| HRC | 30 | - |
| Thermal expansion | 62-70 | e-6/K |
| Thermal conductivity | 20-26 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 3556-2442 | 째C |
| Density | 8651-8233 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 1Cr17 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 |