UNS S42200 Martensitic Stainless Steel Bars and plates
Its properties and applications are similar to those of 13Cr11Ni2W2MoV (1Cr11Ni2W2MoV). It features excellent high-temperature strength and oxidation resistance, maintaining good mechanical properties at temperatures ranging from 600°C to 650°C, while also offering certain corrosion resistance and good processability.
Applications of UNS S42200
It has a wide range of applications and is commonly used to manufacture high-temperature components such as steam turbine blades, nozzles, and combustion chambers. It is also suitable for equipment parts subjected to high temperature and pressure in the petrochemical and power station industries.
Equivalent Grades and Commonly Used Specifications of UNS S42200
| Steel Grade | Specification | Specification Name |
| 2Cr12NiMoWV / 22Cr12NiWMoV / S47220 | GB/T 1221 | Heat-resistant steel bars |
| GB/T 8732 | Steels of blade for steam turbine | |
| GB/T 4238 | Heat-resisting steel plate, sheet and strip | |
| UNS S42200 / 616 | ASTM A565/A565M | Standard specification for stainless steel bars and shapes |
| ASTM A240/A240M | Standard Specification for Martensitic Stainless Steel Bars for High-Temperature Service | |
| SUH616 | JIS G 4311 | Heat-resistant steel bars and wires |
| Produce as other form and size according to technical requirements are available. | ||
Typical Chemical Composition of UNS S42200
|
Elements |
C | Si | Mn | P | S | Ni | Cr | Mo | W | V |
|
Contents% |
0.20~0.25 | ≤0.50 | 0.50~1.00 | ≤0.040 | ≤0.030 | 0.50~1.00 | 11.00~13.00 | 0.75~1.25 | 0.75~1.25 |
0.20~0.40 |
| Produce as other form and size according to technical requirements are available. | ||||||||||
Typical Heat Treatment Condition and Mechanical Properties of UNS S42200
|
Delivery Condition |
Mechanical Properties and Hardness of Heat-Treated Specimens | |||||
| Rp0.2/(N/mm2) | Rm/(N/mm2) | A/% | Zb/% | Aku2d/J |
HBW |
|
|
Annealed Condition(830℃-900℃ cool slowly) |
/ | / | / | / | / | ≤269 |
| Q+T(1020℃-1070℃ oil / air,≥600℃ air) | ≥735 | ≥885 | ≥10 | ≥25 | / |
≤341 |
| Produce as other form and size according to technical requirements are available. | ||||||
Product Forms and Size Range of UNS S42200
|
Product forms |
Size range |
|
Bars |
Diameter or side length: 5.0mm~1000mm |
| Flats |
thickness: 4.0mm~1000mm width: 300mm~2200mm |
| Produce as other form and size according to technical requirements are available. | |






