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015Cr24Ni22Mo8Mn3CuN, 00Cr24Ni22Mo7Mn3CuN, 654 SMO stainless steel is a 7Mo type super austenitic stainless steel developed on the basis of (00Cr20Ni18Mo6CuN) 254SMO stainless steel with increased chromium, nickel and molybdenum content. The PRE value (pitting corrosion resistance equivalent value) of 654SMO stainless steel is as high as 55. The nitrogen content in the steel can reach about 0.5%, which is almost the highest solid solution nitrogen content of high chromium (about 24%) and low manganese (about 3%) stainless steel under normal pressure. 654SMO stainless steel has excellent resistance to various types of corrosion.
It can replace iron-nickel-based and even nickel-based corrosion-resistant alloys in many media, thus filling the gap between stainless steel and high nickel corrosion-resistant alloys in the absence of high pitting corrosion resistance and high crevice corrosion resistance stainless steel.
Super Stainless 654SMO Applications
015Cr24Ni22Mo8Mn3CuN, 00Cr24Ni22Mo7Mn3CuN, 654 SMO stainless steel has high strength and excellent plasticity and toughness. In many highly corrosive media, the overall corrosion resistance and local corrosion resistance of this steel are not only better than the existing 6%Mo type super austenitic stainless steel and super duplex stainless steel, but also the local corrosion resistance of this steel is often close to or better than some well-known high chromium, molybdenum nickel-based corrosion-resistant alloys. Widely used in
▪ Paper industry
▪ Flue gas desulfurization (FGD) flue gas purification environmental components
▪ Chemical equipment
▪ Marine engineering
▪ Oil and gas
▪ Heat exchangers
Super Stainless 654SMO Chemical Composition
| Element | Content (%) |
Ni (Nickel) |
22.00 |
Cr (Chromium) |
24.00 |
Mo (Molybdenum) |
7.30 |
Fe (Iron) |
Bal. |
Si (Silicon) |
0.50 |
Mn (Manganese) |
1.00 |
C (Carbon) |
0.010 |
Cu (Copper) |
0.37 |
P (Phosphorus) |
0.020 |
S (Sulphur) |
0.015 |
| Mechanical properties of (00Cr24Ni22Mo7Mn3CuN) 654SMO stainless steel | |||||
| Brand | Mechanical properties | ||||
| σb/MPa | σ0.2/MPa | d/% | Impact energy/J | ||
| 20ºC | -196ºC | ||||
| (00Cr24Ni22Mo7Mn3CuN) 654SMO stainless steel | ≥750 | ≥410 | ≥40 | 250 | 125 |
| (00Cr20Ni18Mo6CuN) 254SMO stainless steel | ≥650 | ≥310 | ≥35 | - | - |
| (00Cr17Ni12Mo2) 316L stainless steel | ≥490 | ≥170 | ≥45 | - | - |
| (0Cr22Ni60Mo9Nb4) Inconel625 alloy | ≥830 | ≥415 | ≥35 | - | - |
| (00Cr16Ni60Mo16W4) Hastelloy C-276 alloy | ≥750 | ≥310 | ≥30 | - | - |
| 654 SMO stainless steel profile sizes and specifications | |
| Grade | 654 SMO |
| Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, ISO |
| Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 ASTM-A167 ASTM-A240 ASTM-A480. |
| Stainless steel round Bar | Diameter: 2mm - 600mm |
| Stainless steel bright Bar | Diameter: 2mm - 600mm |
| Stainless steel hex Bar | Dimension: 6mm - 80mm |
| Stainless steel square bar | Dimension: 3.0 - 180mm |
| Stainless steel flat bar | Thickness: 0.5mm - 200mm, Width: 1.5mm - 250 mm |
| Stainless steel angle bar | as requirements |
| Length | Normally 6m, or produce as requirements |
| Surface | Black, Bright. Peeled and Polished, Solution annealed. |
| Delivery condition | cold drawn, hot rolled, forged, grinding, centerless grinding |
| Tolerance | H8, H9, H10, H11, H12, H13,K9, K10, K11, K12 or as per clients' requirements |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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