Mechanical Properties of Corrosion & Heat Resistant Super Alloys
Grades and Mechanical Properties
| Grade | Mechanical Property | Characteristics | |||||||
| Classification | NAS | JIS | Yield Strength | Tensile Strength | Elongation | Hardness | |||
| (N/mm2) | (N/mm2) | (％) | (HRB) | (HV) | (HB) | ||||
High Corrosion |
NAS 155N |
- | ≧245 | ≧550 | ≧35 | ≦95 | ≦220 | ≦217 | Sulfuric corrosion resistance |
| NAS 185N |
SUS 312L |
≧310 | ≧655 | ≧35 | ≦96 | - | ≦223 | High corrosion resistant super stainless steel | |
| NAS 254N |
SUS 836L |
≧295 | ≧640 | ≧40 | ≦96 | ≦230 | ≦217 | Proprietary high temperature seawater corrosion resistant stainless steel |
|
| NAS 254NM |
- | ≧310 | ≧655 | ≧30 | - | - | ≦240 | High corrosion resistant super stainless steel | |
| NAS 255 |
SUS 890L |
≧215 | ≧490 | ≧35 | ≦90 | ≦200 | ≦187 | Better acid corrosion resistance than NAS317L |
|
| NAS 255NM |
- | ≧295 | ≧650 | ≧35 | - | - | - | High corrosion resistant super stainless steel | |
| NAS 354N |
- | ≧295 | ≧640 | ≧35 | ≦96 | ≦230 | ≦217 | Proprietary high corrosion resistant stainless steel | |
| NAS 329J3L |
SUS 329J3L |
≧450 | ≧620 | ≧18 | HRC≦32 | ≦320 | ≦302 | High corrosion resistant duplex stainless steel Lower yield strength than NAS64 |
|
| NAS 64 |
SUS 329J4L |
≧450 | ≧620 | ≧18 | HRC≦32 | ≦320 | ≦302 | Proprietary high corrosion resistant stainless steel | |
| NAS 74N |
- | ≧550 | ≧795 | ≧15 | - | - | ≦310 | High corrosion resistant super duplex stainless steel | |
| NAS 75N |
- | ≧550 | ≧750 | ≧25 | - | - | ≦270 | High corrosion resistant super duplex stainless steel | |
| NAS 825 |
NCF 825 |
≧235 | ≧580 | ≧30 | ≦96 | ≦214 | ≦207 | High corrosion resistant alloy | |
| NAS 625 |
NCF 625 |
≧276 | ≧690 | ≧30 | - | - | - | High corrosion and heat resistant alloy | |
| NAS 690 |
NCF 690 |
≧240 | ≧590 | ≧30 | - | - | - | High corrosion resistant alloy | |
| NAS NW22 |
NW 6022 |
≧240 | ≧660 | ≧35 | - | - | - | Applied for hydrochloric acid, sulfuric acid, phosphoric acid, and chloride environment | |
| NAS NW276 |
NW 0276 |
≧275 | ≧690 | ≧40 | - | - | - | Applied for hydrochloric acid, sulfuric acid, phosphoric acid, and chloride environment | |
| NAS NW400 |
NW 4400 |
≧195 | ≧480 | ≧35 | - | - | - | Seawater corrosion resistant Ni-Cu alloy | |
| Heat Resistant Steel and Alloy | NAS 800 |
NCF 800 |
≧205 | ≧520 | ≧30 | ≦89 | ≦182 | ≦179 | Corrosion resistance and acid resistance at high temperature |
| NAS 800H |
NCF 800H |
≧175 | ≧450 | ≧30 | ≦86 | ≦171 | ≦167 | Corrosion resistance and acid resistance at high temperature | |
| NAS 800T |
- | ≧175 | ≧450 | ≧30 | - | - | - | Corrosion resistance and acid resistance at high temperature | |
| NAS H840 |
- | ≧170 | ≧485 | ≧30 | ≦92 | - | - | Corrosion resistance and acid resistance at high temperature | |
| NAS 600 |
NCF 600 |
≧245 | ≧550 | ≧30 | ≦89 | ≦182 | ≦179 | High temperature corrosion resistance and strength | |
| NAS 601 |
NCF 601 |
≧195 | ≧550 | ≧30 | - | - | - | High temperature strength, and oxidation, carburization, and sulfurization resistance, | |
| NAS 660 |
SUH 660 |
- | ≧730 | ≧25 | ≦91 | ≦202 | ≦192 | Precipitation hardening austenitic stainless steel | |
| ≧590 | ≧900 | ≧15 | HRC≦24 | ≦261 | ≧248 | Precipitation hardening austenitic stainless steel | |||
| NAS HX |
NW 6002 |
≧240 | ≧655 | ≧35 | - | - | - | High temperature strength and oxidation resistance | |
| NAS 750 |
NCF 750 |
- | ≦890 | ≧40 | HCR≦35 | ≦335 | ≦321 | High temperature strength and oxidation resistance | |
| Ni | NAS Ni201 |
NW 2201 |
≧80 | ≧345 | ≧30 (Thickness over 0.5 mm and equal or less than 1.2 mm) |
- | - | - | Corrosion resistance in high temperature and concentration alkaline and chlorine gas |
| ≧35 (Thickness over 1.2 to equal or less than 2.7 mm) |
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