Super Austenitic Stainless Steel UNS N08700 / Alloy 700 Super Stainless Steel Plate Hot Rolled
Products Specification
| Products | N08700 Alloy Stainless Steel Plate |
| Thickness | 3.0 - 40.0mm |
| Width | 1219mm 1500mm or as request |
| Standard | ASTM A240/240M-18 |
| Brand | TISCO BAOSTEEL POSCO |
| Service | Cutting , bending , surface finishing |
| Other Grade | 201 202 304 304L 304H 309S 310S 316L 316Ti 317L 321 347 410 420 430 431 444 2205 2507 904L 254SMO 253MA N08020 C276 625 600 800 825 monel 400 500.etc |
| Standard Size | 1219*2438mm 1500*6000mm |
ABout UNS N08700 / Alloy 700
UNS N08700 is a high-alloy, fully austenitic, superaustenitic stainless steel. This alloy is a proven problem-solver in many applications where corrosive conditions are too severe for standard grades of stainless steel. It has also provided a cost-effective alternative to more expensive nickel-base and titanium-base alloys.
UNS N08700 stainless steel is more highly alloyed than standard stainless steels. The high molybdenum content is particularly important to the corrosion resistant properties. It enhances development of the passive film responsible for the corrosion resistance of stainless, and makes the alloy more noble so that corrosion resistance is improved even under conditions which tend to destroy passivity.
The chromium content of the N08700 is essential to corrosion resistance. Since chromium contributes to sigma formation, the 20% level was chosen as a satisfactory compromise. The high nickel content not only minimizes sigma, but also contributes markedly to corrosion resistance. The effects of higher nickel are believed to relate more to corrosion propagation than to initiation. The combination of the three major alloying elements gives N08700 stainless steel a high degree of resistance to stress corrosion cracking. No field service failures from stress corrosion cracking in N08700 Alloy have been reported to date.
Mechnical property for UNS N08700 Stainless steel:
| Tensile strength (≥Mpa) | Yield strength (≥Mpa) 0.2% | Elongation in ≥,% | Hardness HBW Max. |
| 550 | 240 | 50mm | 217 |
| 30 |
►Chemical composition for UNS N08700 Stainless steel (Max%)
| Main chemical elements composition of UNS N08700 |
| C | Si | Mn | P | S | Cr |
| 0.04 | 1.00 | 2.00 | 0.040 | 0.035 | 19.0-23.0 |
| Ni | Mo | Cu | Cb | Nb | Ce |
| 24.0-26.0 | 4.3-5.0 | 0.50 | 8*C-0.40 | | |
Standard Specification of Alloy N08700 Alloy 700
| N08700 Bars | ASTM B 473 ASTM A276 |
| N08700 Plate | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| N08700 Sheet | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| N08700 Strip | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| N08700 Wire | ASME SB-473 ASME SB-366, ASTM B 473, ASTM B 366 |
| N08700 Weld Wire | AWS ER320LR, ASTM Weld Tube B468 |
| N08700 Weld Pipe | ASTM B464 |
| N08700 Other | UNS N08020, Werkstoff Nr. 2.4660, Covered Electrodes AWS E320LR, Fordings ASTM B462 |
Contact US
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Super Austenitic Stainless Steel Plates UNS N08700 / Alloy 700 Super Hot Rolled Images
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