Products Description
Advantages in Boiler and Heat Exchanger
- Excellent High-Temperature Strength: Maintains excellent mechanical strength and creep resistance at high temperatures, and withstands thermal cycling without deformation or cracking.
- Corrosion and Oxidation Resistance: Stainless Steel Seamless Tubing resists oxidation, scaling, and corrosion from steam, condensate, and boiler water chemicals, reducing the risk of pipe failures and unplanned downtime.
- Excellent Machinability and Weldability: Stainless Steel Seamless Tubing is easy to fabricate, bend, and weld during boiler or heat exchanger assembly.
application areas
- Boiler systems: superheater tubes, reheater tubes, economizer tubes, water-wall tubes, etc.
- Heat exchangers: shell-and-tube heat exchangers, condenser tubes, heating tubes, etc.
- Power generation and energy: waste heat recovery systems, steam piping systems in thermal power plants
- Chemical and petrochemical industries: heat exchanger tubes in corrosive chemical processing
- Desalination: evaporator and condenser tubes in desalination plants
Chemical Composition
| Element | C (max) | Si (max) | Mn (max) | P (max) | S (max) | Cr | Ni | N |
| 12Cr18Ni9 | 0.12 | 1.00 | 2.00 | 0.035 | 0.030 | 17.0–19.0 | 8.0–11.0 | - |
| 06Cr19Ni0N | 0.06 | 1.00 | 2.00 | 0.035 | 0.030 | 18.0–20.0 | 8.0–11.0 | 0.10–0.25 |
| 06Cr13 | 0.06 | 1.00 | 1.00 | 0.040 | 0.030 | 12.0–14.0 | - | - |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| 12Cr18Ni9 | ≥520 | ≥205 | ≥40 | ≤192 |
| 06Cr19Ni0N | ≥530 | ≥240 | ≥35 | ≤192 |
| 06Cr13 | ≥450 | ≥205 | ≥20 | ≤217 |
Possible Alternative Grades
- 00Cr17Ni14Mo2 (316L): Enhanced pitting corrosion resistance
- 1Cr18Ni9Ti (321) or 0Cr18Ni11Nb (347): High-temperature stability
- S32205 (Duplex 2205): Higher strength and a dual-phase microstructure
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