Alloy 6MO tubing is a high-alloy austenitic stainless steel designed for maximum resistance to pitting and crevice corrosion. The high levels of chromium, molybdenum, and nitrogen make 254 SMO (6-moly) suitable for high chloride environments such as brackish water, seawater, pulp mill, bleach plants, and other high chloride process streams.
Annealing of Stainless Steel Grade 254 SMO should be performed at 1149-1204°C (2100-2200°F), which should be followed by a water quench. Hot Working Forging, upsetting and other operations relating to this material can be performed at 982 – 1149°C (1800 – 2100°F). It is recommended that temperatures do not exceed this range as it would ...
Stainless Steel 254 SMO is a high-alloy austenitic chromium-nickel-molybdenum stainless steel developed for use in seawater, pulp and paper industry, brackish water and other …
Stainless Steel 254 SMO - S31254. Resists pitting and crevice corrosion. Stronger than 304 with good workability and weldability. Resistant to cloride stress corrosion cracking. Used in Chemical applications such as Oil &, Gas, Pulp & …
The mechanical properties of SMO 254 include high strength and toughness, with tensile strengths of up to 680 MPa and yield strength of up to 300 MPa. Its high ductility and durability make it an ideal material for harsh and challenging industrial environments. Additionally, SMO 254 is highly resistant to chloride and stress corrosion cracking ...
S-1884-ENG April 1999 • Cancels all previous editions. Sandvik 254 SMOTM is an austenitic stainless steel of the ELC type developed for use in seawater and other aggressive chloride-bearing media. The steel is characterised by the following properties: excellent resistance to pitting and crevice corrosion.
Material: Stainless-steel 254 SMO® Article number: 1578 Pairs per pack: 6 Nord-Lock 254 SMO® stainless steel washers are suitable for any general saltwater application. Steel Type: EN 1.4547. Available sizes with normal outer diameter: M3 - M39 mm and #5 - 1 1/2" * Available sizes with ...
Super-austenitic stainless steel S32654 containing 7 wt % Mo exhibits outstanding oxidation resistance at 900 °C within the initial 10 h, but catastrophic oxidation occurs at times longer than 10 h in air. ... Critical pitting temperature for type 254 SMO stainless steel in chloride solutions. Corros. Sci. (2007) S. Heino et al.
254 SMO / UNS S31254 / DIN 1.4547. High end Austentic Stainless Steel. Introduction. Stainless steel grade 254 SMO is an austentic steel with high molybdenum content and a very high austentic stainless steel grade. It is coupled Nickel and Copper. IT is designed with combination pitting and crevice corrosion and impact toughness resistance to ...
Its corrosion resistance in chloride environments is higher than nickel-alloy 625 and similar to C-276. In addition, Ultra 654 SMO offers excellent formability, good weldability and is non-magnetic. Its high mechanical …
Superaustenitic stainless steel 254 SMO was smelted using a vacuum induction furnace according to the ASTM A312 composition standard in Taiyuan Iron and Steel Group Co., Ltd. (TISCO). The main composition of both the steel samples is shown in Table 1. Then, a 12-mm-thick steel sheet was hot rolled at 1250 ℃ from the obtained ingot.
This type of stainless steel is dominant in the market. The group includes the very common AISI 304 and AISI 316 steels, but also the higher-alloy AISI 310S and ... 254 SMO (ASTM S31254) and 654 SMO (ASTM S32654). 254 SMO has a long record of successful installations for seawater handling within offshore, de-
Alleima® 254 SMO (ESR) Billets. Alleima® 254 SMO* (ESR) is a high-alloy austenitic stainless steel developed for use in seawater and other aggressive chloride-bearing media. The steel is electroslag remelted which gives a cleaner material free from segregations. The grade is characterized by: Higher strength than conventional austenitic ...
This is a high-end austenitic stainless steel that is highly resistant to chloride stress cracking. It also offers pitting and crevice corrosion twice that of the stainless steel 300 compounds. Stainless steel 254 SMO is a cost-effective alternative to high nickel and titanium alloys, with excellent workability. The 6% molys available from CSI
Best Stainless keeps & maintains a complete inventory of stainless steel, nickel & special alloys. Find out more on our website! Click To Close; Home; Products. 15-5 Stainless Steel Bar; 17-4 PH Stainless Steel Bar; 316/316L Stainless Steel Bar; 317/317L Stainless Steel; ... 254 SMO: Quote » ...
corrosion with strength that is twice that of the stainless steel 300 series. For certain applications, grade 254 SMO™ has been reported to be a cost-effective substitute for high nickel and titanium alloys. It is known to possess excellent workability as well. The following sections will discuss in detail about stainless steel grade 254 SMO™.
Alloy 254 SMO / 1.4547 / UNS S31254. Alloy 254 SMO is an austenitic stainless steel alloy with 6% molybdenum and nitrogen. It has a very high resistance to crevice and surface corrosion. Alloy 254 SMO was specially developed for the pulp and paper industry and for offshore use on oil and gas platforms.
The variation with time of the open circuit potential of high molybdenum containing stainless steel (Type 254 SMO) was measured in 4% sodium chloride solution in the temperatures range 30–100 °C. The plot of steady state potentials as function of temperature showed an inflection at 50 °C, attributed to the decrease of oxygen solubility …
Made of our most corrosion resistant stainless steel, these worm-drive clamps stand up to harsh acids and chemicals. Their band is smooth and has rolled edges, so they won't cut into your hose or tube. Worm-drive clamps are the most common type of clamp because they're easy to use, strong, and versatile.. Note: When choosing a clamp, …
Material: Stainless-steel 254 SMO® Article number: 1567 Pairs per pack: 10 Nord-Lock 254 SMO® stainless steel washers are suitable for any general saltwater application. Steel Type: EN 1.4547. Available sizes with normal outer diameter: M3 - M39 mm and #5 - 1 1/2" * Available sizes with ...
SMO 254, or 6 Moly Stainless Steel, is a high-performance, super austenitic stainless steel with excellent corrosion resistance in harsh environments. It contains high levels of molybdenum, chromium, and nitrogen, making it resistant to pitting, crevice corrosion and stress corrosion cracking. On the other hand, Duplex stainless steel is a …
Sizes of ASTM A240 UNS S31254 sheet. SMO 254 coil properties. UNS S31254 plate temprature limit. Thickness : 0.3 to 120 mm. Width : 10 mm – 2500 mm. Length : 2m, 2.44m, 3m, also as required. You can reach one of the above authorised 254 SMO plate suppliers in the UAE for custom sizes. Tensile Strength – 650 MPa.
Fatigue crack growth tests were performed to assess the fatigue behavior of AISI 316L and 254 SMO stainless steels (SSs) in air and gaseous hydrogen. 254 SMO SS generally exhibited a greater resistance to fatigue crack growth than 316L. Sensitization treatment had only a marginal effect on the fatigue crack growth behavior of both alloys …
Ultra 254 SMO A 6% molybdenum and nitrogen-alloyed austenitic stainless steel with extremely high resistance to both uniform and localized corrosion. This product was developed especially for oil and gas offshore platforms and the pulp and paper industry. • Applications requiring resistance to chlorinated seawater • Flue gas cleaning
austenitic stainless steels, e.g. Outokumpu 4404. Due to the high strength and the high alloying content of 254 SMO ®, the cutting forces will be higher and the tool wear more severe than that experienced when machining lower alloyed stainless steel grades. Even under optimized conditions the tool life when machining 254 SMO ® is shorter than ...
Material: Stainless-steel 254 SMO® Article number: 1571 Pairs per pack: 10 Nord-Lock 254 SMO® stainless steel washers are suitable for any general saltwater application. Steel Type: EN 1.4547. Available sizes with normal outer diameter: M3 - M39 mm and #5 - 1 1/2" * Available sizes with ...
The most common 6 Moly grades for piping products are 254SMO (UNS S31254) and AL6XN (UNS NO8367). Plate materials are generally available in both grades from stock, enabling reduced manufacturing times. Additional Services can be performed including: Beveling. Grinding of OD/ID Weld Area. Threading. Hydro Testing.
Get a Quote Applications requiring resistance to chlorinated seawater Flue gas cleaning Maritime exhaust gas cleaning (EGC) Bleaching equipment in the pulp and paper …
Alleima® 254 SMO is a high-alloy austenitic stainless steel developed for use in seawater and other aggressive chloride-bearing media. The steel is characterized by …
The leading 6 Mo austenitic stainless steels are listed in Table 1 with both common names, some of which are trademarks, corresponding UNS num-bers, and the ASTM composition ranges. ASTM defines a stainless steel as having at least 50% iron. By this convention, only 254 SMOtm is listed among the ASTM stainless steel specifications. The
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