Hastelloy C276 and Inconel 625 offer similar corrosion resistance properties but, the Hastelloy alloy has a slight edge when it comes to dealing with acidic conditions. Alloy Performance Guide Rolled Alloys Corrosion Resistant Alloys Nominal Chemical Composition Description Alloy Ni Cr Mo Fe Other AL-6XN Alloy N08367 24 20.5 6.3 48 C: 0.02, N: 0.22 A high (6.3%) molybdenum super austenitic stainless A494 CW-12MW. Like many other nickel alloys, it is ductile, easily formed and welded. Bright annealed Hastelloy B2 sheet is available in thicknesses ranging from .025 to .120.Hastelloy Werkstoff No 2.4617 Sheets resists the formation of grain boundary precipitates in weld heat-affected zones, hence its suitability for most chemical process applications.Hastelloy B2 Sheets is a wrought corrosion-resistant alloy that resists the HASTELLOY C276. Hastelloy C is also resistant to nitric, hydrochloric, and sulfuric acids at moderate temperatures. Compared to Diagram A, Diagram B provides the comparison of isocorrosion lines for Hastelloy C-276 in sulfuric acid with 200 ppm chloride ions and isocorrosion lines for Hastelloy C-276 in sulfuric acid. Hastelloy C-276 plate is available up 3" thick. Link 1 Link 2. Their higher resistances to hydrochloric and sulfuric acids coupled with the concentration of nickel, chromium, and molybdenum concentrations offers enhanced performance within these systems. When welding to dissimilar alloys such as 316 or higher alloys such as C276 and Alloy 22, AWS ERNiCrMo-3 can be used for TIG and MIG while using ENiCrMo-3 for SAW. In alkaline media, the most commonly used nickel alloys are Nickel 200 /201, Monel 400, Nickel 600 and 625. HASTELLOY C-276 . It has the maximum tensile strength. It has excellent Hastelloy C-22 is employed in applications that need excellent resistance to natural corrosion, intergranular corrosion, pitting and crevice corrosion and stress corrosion cracking. Satisfactory to 72 F. 3. B-575 N10276. The Hastelloy C276 also provides excellent resistance in the chloride environment to stress corrosion cracking. In addition to this chemical compatibility chart, report TR-60C, Bal Seal has two other reports: report TR-60A Chemical Compatibility Guide for Bal Seal PTFE, Filled PTFE, and Polyethylene Seal Hastelloy Inconel Elgiloy Carbon Steel Aluminum Titanium Brass Aluminum Bronze CHEMICAL 302 304 316 316L 316LVM C-276 X750 12614 Leadloy 7075-T6 Materials used in the CONTACT FORM; Quality Questionnaire ; RING JOINT GASKETS Styles Material cross reference chart Style R Style RX Style BX Lens Ring Gaskets. Hastelloy alloy C is a relatively high nickel alloy that is primarily utilized for offering excellent corrosion resistance features. Polypropylene Satisfactory to 120 F. 4. We frequently see that some of these alloys, such as Hastelloy C-22 and Hastelloy C-276, get mixed up and/or welded together regularly. Haynes International - HASTELLOY C-2000 alloy Comparative 0.1 mm/y Line Plots To compare the performance of HASTELLOY C-2000 alloy with that of other materials, it is useful to plot the 0.1 mm/y lines. N10276. Has outstanding resistance to a wide variety of chemical process environments, including strong oxidizers such as In the following graphs, the lines for C-276 alloy are compared with those of two popular, austenitic stainless steels (316L and 254SMO), and a lower-molybdenum nickel alloy (625), in hydrochloric and sulfuric acids. (see chart below) Factor at 100F =0.90 230 x .90 = 207 . R50250. Hastelloy C-276 sheet is available in thicknesses ranging from .025 to .120". IDM Members' meetings for 2022 will be held from 12h45 to 14h30.A zoom link or venue to be sent out before the time.. Wednesday 16 February; Wednesday 11 May; Wednesday 10 August; Wednesday 09 November GOST 625. OUR LOCATIONS; CONTACT US. Valve is de-rated to . It is resistant to oxidizing and reducing conditions and prevents aqueous corrosion. Link 1 Link 2 Link 3 Link 4 Link 5 Link 6 Link 7 Link 8 Link 9. TI. B-622, B-619. It is one of the premier Iso-corrosion chart for Alloy C-276 in phosphoric acid. Chemical compatibility - rubber / non asbestos ( Under Construction ! ) anoy C-22 - a versatile nickel- chromium-molybdenum alloy with better overall corrosion resistance than Other Ni-Cr-Mo alloys available today, including HASTELLOY alloy C-276 and C-4 and CABOT alloy No. B-564 N10276. Hastelloy C276 Construction: Maximum Working Pressure: Hastelloy hose Full vacuum to 1550 psig depending Series 300 stainless steel or Hastelloy braid on size and braid construction Annular construction Temperature: Sizes: Cryogenic to 2000F with Hastelloy braid 1/2 through 2 Cryogenic to 1500F with T321 stainless steel braid Alloy C-276 is a solid solution strengthened nickel-molybdenum-chromium alloy with a small amount of tungsten. average temperature,104. Valve Size PVC/CPVC PP/PVDF . Both C-22 and C-276 are from the Hastelloy family, and that similarity can lead to confusion, but C-22 has better overall corrosion resistance compared Chemical Resistance Chart Introduction Corrosion and degradation depend on many parameters: Temperature Pressure Concentration Impurities pH-value Titanium Tantalum Hastelloy C4 Hastelloy C22 Hastelloy C276 Platinum* Monel Graphite + + + + + + + + + o - It retains good corrosion resistance even in the welded Microsoft Word - Hastelloy C276 pdf Author: hh Created Date: ASTM B564 UNS N10276 Hastelloy C276 Flanges belongs to Ni-Cr-Mo family and used in industrial applications and ASTM B564 N10276 Pipe Flanges was introduced in the mid-1960s. Convertion Calculator Convertion Formulas Compatibility Chart Pipe Dimensions. It also offers an excellent resistance to sulfur compounds, and hence Nickel Alloy C276 Hex Bolts can easily be used in flue gas desulphurization systems. The alloy tends to work harden but with the proper care, the alloy is readily hot and cold formed. Generally, the corrosion resistance of caustic soda usually increases with the increase of nickel content. S.T.A.M.P. Hastelloy C276 Hex Bolts Torque Chart Of Alloy C276 Fasteners And UNS N10276 Hex Nuts Mechanical Properties. Both tests shall be conducted in aqueous solution of H 2 SO 4. Material. N10276 Material Flange are suitable to attaches to pipe in very Here well explore two highly corrosion-resistant alloys - Hastelloy C-22 and Hastelloy C-276. Welding Alloy 20 is commonly performed via, TIG, MIG as well as submerged arc welding (SAW) using either the matching filler metal, ER320LR for TIG and MIG and E320LR for SAW. Its often used as spring material in check valves of non-metallic pumps. Description. Plant tests in 23% caustic soda in tank receiving liquor from evaporator. It is introduced in wrought or cast forms. Hastelloy C-22 vs C-276: Both made for tough conditions. HASTELLOY C276 sheet 0.044" thick in the heat-treated condition at 2050F, rapid quenched, has an average olsen cup depth of 0.48". Description. Alloy C-276 exhibits excellent corrosion resistance in a variety of harsh environments and media. Hastelloy C-276 bar is available in wrought bar up to 12" diameter and larger sizes and shapes may be forged to order. It is resistant to all concentrations of hydrochloric acid at room temperature, and can be employed successfully up to about 120F [49C]. There was no attack of C-22 alloy which had a uniform corrosion rate of 1.5mpy (Figure 2a). 2. RESISTANCE CHART RATINGS CHEMICAL EFFECT A No effectExcellent B Minor effectGood 2. Hastelloy C-276 has outstanding resistance to hydrochloric acid. The information accuracy of these ratings cannot be guaranteed, nor is it a complete list due to the extensive area of this field. Chemical Compatibility Table 6 58 abietic acid l l g g g g g g g amines / amination n l g g g g g g Cu alloy carbon steel st. st. AISI-316 PTFE nickel 200 monel 400 Hastelloy C276 tantalum titanium Cu alloy carbon steel st. st. AISI-316 PTFE nickel 200 Hastelloy c276 Hex Nut Chemical Compatibility Chart. Chemical Compatibility Of Hastelloy NW 0276 Socket Head Cap Screws And Refer N10276 Double Ended Studs Price Per Kilogram. Strength 100,000 psi, yield strength 47,000 psi. In the vapor phase (65C) there was no localized attack of C-22 alloy (2.5 mpy). B-622 N10276. It is used in water treatment plants, chlorination plants, incinerators and other Two grades of Alloy C are used in pump components, C276 and C22. B-366 WPHC276. Hastelloy Blind Flange (e.g., Asme Sb 564 N10276), and Hastelloy C276 Weld neck Flanges are also known as super-alloys. Alloy C-22 has outstanding resistance to pitting, crevice corrosion and stress-corrosion cracking. Therefore: Suitable for application. Wrought and Cast Alloy 625 HASTELLOy. Diagram A: isocorrosion diagram for Hastelloy C-276 in hydrochloric acid. Enquiry form. It is extremely resistant to wet chloride gas and chlorine dioxide environments. P.V.C. This diagram illustrates that chloride ions contained in the sulfuric acid, even in very small amount, may significantly Corrosion Resistance Chart Aluminum Brass Bronze Hastelloy, C-276 Malleable Iron Carbon Steel Monel Stainless Steel,304 Stainless Steel,316 Nylon Polypropylene Seal Material Acetate Solvents (Crude) 1 X X 1 2 2 1 1 A X T Acetate Solvents (Pure) 1 1 1 1 X 1 1 1 A X T Acetic Acid (80%) 3 X X 1 X 1 1 1 X X TEVNB Phosphoric Acid Concentration, % Temperature, F 350 300 250 212 200 150 100 Temperature, C 150 125 100 75 50 0 10 20 30 40 50 60 70 80 Polypropylene Satisfactory to 72 F. C Moderate effectFair D Severe effectNot recommended FOOTNOTES 1. Description Hastelloy C-276 is a nickel-molybdenum-chromium-tungsten alloy with excellent general corrosion resistance and good fabricability. Alloy C276 (UNS N10276) is an austenitic nickel-molybdenum-chromium alloy with a small addition of tungsten. 99 Ti Unalloyed. 10 to 30 minutes is recommended, depending on the thickness of the structure (thicker structures need the full 30 minutes). More details concerning the heat treatment of HASTELLOY C-276 alloy are given in our Welding and Fabrication brochure. UNDER NO CIRCUMSTANCES IS THE INFORMATION CONTAINED HEREIN TO BE CONSTRUED AS A GUARANTEE. Hastelloy C-276 is a nickel-molybdenum-chromium-tungsten alloy with excellent general corrosion resistance and good fabricability. To compare the performance of HASTELLOY C-276 alloy with that of other materials, it is useful to plot the 0.1 mm/y lines. For this, only the toughest specialty metal fasteners will provide protection. The alloy should be considered for use in environments where resistance to hot contaminated mineral acids, organic and inorganic chloride-contaminated media, chlorine, formic and acetic acids, acetic , acetic anhydride, sea water and HASTELLOY C-276 is a nickel-chromium-molybdenum alloy with universal corrosion resistance unmatched by any other alloy. Hastelloy C-276 offers good resistance to pitting and crevice corrosion and stress corrosion cracking in reducing and oxidizing media. Hastelloy C alloys. The corrosion tables provide an initial guide to the selection of materials and are intended to facilitate understanding of the different types of corrosion damage that can arise due to poor material selection. These alloys are often used in processing that places heavy demands on equipment involving harsh chemicals, high temperatures, and the need for continuous cleaning to ensure product purity and prevent 44. Alloy C-276 can be successfully fabricated by many methods. TITANIUM Gr 2. Hastelloy c276 Hex Nut is a superalloy with add on of tungsten, We supply Alloy C276 Bolts, Screw in wooden casings which helps to handle easily, Hastelloy c276 Fasteners common size is from M3-M56. COMPATIBILITY CHEMICAL COMPATIBILITY Chemicial Compatibility Guide The following information is intended to be used as a general guideline for pump material selection. A=Excellent (no effect) B=Good (minor effect) C=Fair (not conclusive, consult manufacturer) D=Not Recommended. 207 PSIG. HASTELLOY alloys G and G-3 ..31 G. NICKEL-COPPER ALLOYS (MONEL* alloys 400 and K-500 and Cast ACI M-35)..33 H. NICKEL-BASE MOLYBDENUM- CHROMIUM-IRON ALLOYS..35 1. HASTELLOY alloys C-276 and C-4 ..35 2. Hastelloy B3; Hastelloy C22; Hastelloy C276; Incoloy 825; Inconel 625; Tantalum; There are few environments more corrosive than hydrochloric acid. Hastelloy is a representation of a family of corrosion-resistant alloys. HASTELLOY C276 alloy No Attack 0.007 HASTELLOY C-22 alloy No Attack 0.002 Coke Refinery Vaporizer 203F (95C) 2 Months Corrosion Rate (mpy) Remarks 316L Stainless Steel 139 Severe Crevice Attack Carpenter 20Cb-3 alloy 227 Partially Dissolved Avesta 254 SMO alloy 83 Pitting, Crevice Attack Allegheny AL-6XN alloy 60 Pitting, Crevice Attack The Hastelloy C276 Fasteners are used in different environments, starting from oxidizing to reducing surroundings. E-NiCrMo-3. The high nickel and molybdenum contents make the nickel steel alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. Although there are several variations of the Hastelloy nickel alloy, Hastelloy C-276 is by far the most widely used. ER-NiCrMo-3. Highest application temperature : 427oC or 800oF. In the liquid phase (80C) C-276 alloy suffered severe weld-metal corrosion and intergranular attack in the heat-affected zone. Hastelloy C-276 strip in coil from is available in lighter gauges up 24" wide.
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