ALLOY 601 DATA SHEET - Www JACQUET

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ALLOY 601 DATA SHEET UNS N 06601 GENERAL PROPERTIES //// //// Alloy 601 (UNS designation N06601) is a nickel-chromium alloy designed for use in high temperature applications. Compared to Alloy 600 (UNS designation N06600), Alloy 601 has increased chromium as well as the addition of aluminum which forms a tough oxide scale at elevated temperatures which gives the alloy excellent resistance to oxidation through 2200 F under cyclic conditions. The alloy has good resistance to stress corrosion cracking. The alloy is not recommended for use in reducing or sulfur environments. //// The alloy is used extensively in heat treating applications, industrial furnaces, gas turbine components, and in petrochemical and pollution control equipment and systems. APPLICATIONS /////////// //// Heat treating baskets, trays and fixtures ; ////Radiant tubes, supports, return bends, muffles and retorts ; ////Combustor components and catalyst grid supports in equipment for nitric acid production ; ////Superheater tube supports and grid supports and ash handling systems in the power generation field ; ////Turbine engine igniters and combustion can liners, diffuser assemblies and containment rings. STANDARDS ////////////// Specifications Product form ASTM Plate sheet and Strip B168 Seamless, Pipe and Tubing B167 Rod, Bar and Wire B166 ASME AMS Military 5870 Forgings and Rings 5715 Chemical /////////////// C Mn S Si Cr Ni 0.10 max 1.50 max 0.015 max 0.50 max 21.00 25.00 58.00 63.00 Balance Fe Cu 1.00 max For internal use only. 1/5

MECHANICAL PROPERTIES ////////////////////////////////////////////////// Room temperature mechanical properties of Alloy 601 are shown below. The material is in the annealed condition. Yield Strength 0.2% offset Ultimate Tensile Strength Elongation psi MPa psi MPa % to 2" (51 mm) 64 000 440 115 000 790 45 Short time elevated temperature tensile properties //////////////// The following table illustrates the short time tensile properties of Alloy 601 at temperatures above room temperature. Test temperature Yield Strength 0.2% Offset Ultimate Tensile Strength F C psi MPa psi MPa Elongation % in 2" 400 204 60 000 415 109 000 750 45 44 800 427 52 000 360 102 000 705 1 000 538 48 000 330 90 000 620 44 1 200 649 41 000 280 60 000 415 45 1 400 760 26 000 180 43 000 235 70 1 600 871 15 000 105 18 000 125 120 PHYSICAL PROPERTIES /// Density Magnetic Permeability Specific Heat 0.291 lb / in3 1.02 32 212 F 0.11 Btu / lb- F 0 100 C 460 J / kg- K 8.05 g / cm3 Specific Gravity Curie Temperature Melting Range -320 F 2374 2494 F -196 C 1301 1368 C 8.05 THERMAL PROPERTIES //// Temperature Electrical Resistivity Thermal Conductivity Coefficient of Expansion Specific Heat F C ohm-circ mil / ft µ Ω-m Btu-in/ft²-hr- F W/m- C 10-6 in/in/ F mm/m/ C Btu/lb- F J/kg- C 70 20 710 1.180 78 11.2 - - 0.107 448 200 100 716 1.192 87 12.7 7.60 13.75 0.112 469 400 200 727 1.207 100 14.3 8.01 14.36 0.119 498 600 300 735 1.220 113 16.0 8.11 14.58 0.126 523 800 400 741 1.229 126 17.7 8.30 14.83 0.133 548 1 000 500 747 1.239 139 19.5 8.50 15.19 0.140 578 1 200 600 751 1.247 153 21.0 8.87 15.62 0.147 603 1 400 700 751 1.249 165 22.8 9.19 16.11 0.155 632 1 600 800 754 1.249 178 24.4 9.51 16.67 0.162 657 1 800 900 758 1.259 190 26.1 9.82 17.24 0.169 686 2 000 1 000 763 1.262 203 27.8 10.18 17.82 0.176 712 For internal use only. 2/5

MOdulus of elasticity and poisson's ratio //////////////////////////// Temperature Modulus of Elasticity 106 Poisson's ratio GPa F C Tension Torsion Tension Torsion 70 20 29.95 11.77 206.5 81.2 0.272 200 100 29.42 11.49 202.4 79.2 0.278 400 200 28.50 11.10 196.8 76.5 0.286 600 300 27.59 10.67 191.2 73.8 0.296 800 400 26.57 10.21 184.8 71.2 0.299 1 000 500 25.43 9.68 178.2 68.1 0.308 1 200 600 24.12 9.05 170.8 64.3 0.327 1 400 700 22.48 8.32 161.3 60.2 0.340 1 600 800 20.54 7.52 150.2 55.6 0.350 1 800 900 18.43 6.63 137.9 50.3 0.370 2 000 1 000 16.20 5.68 124.7 44.7 0.395 IMPACT ////////////////// The effect of high temperature exposure compared to room temperature Temperature Time / hrs Charpy V-Notch Impact Strength F C ft / lb J 80 27 - 180 244 1000 540 100 86 117 400 89 121 1 000 89 121 100 88 119 300 92 125 1 000 93 126 100 93 126 300 90 122 1 000 94 127 1 100 1 200 590 650 1 300 700 100 95 129 1 400 760 146 105 142 1 500 820 159 117 159 1 600 870 103 117 159 For internal use only. 3/5

Typical stress rupture properties //////////////////////////////////// Alloy 601 offers excellent creep / stress rupture properties which make the alloy suitable for extended service in very high temperature environments. It's resistance to oxidation and other forms of high temperature corrosion make it the alloy of choice in these severe applications. Temperature Stress, psi (MPa) to produce rupture in Stress, psi (MPa) to produce % of creep / hr 0.0001 % hr F C 100 hr 1 000 540 70 000 (500) 55 000 (400) 42 000 (290) 52 000 (380) 60 500 (450) - 1 000 hr 1 100 595 50 000 (350) 40 100 (300) 28 000 (190) 38 000 (275) 48 000 (370) - 1 200 650 38 000 (280) 28 000 (185) 10 900 (145) 24 000 (155) 30 000 (190) 40 000 (300) 1 300 705 20 000 (150) 15 000 (90) 7 100 (50) 10 000 (70) 15 000 (100) 19 000 (140) 1 400 760 14 500 (90) 9 000 (60) 4 000 (30) 6 000 (42) 8 000 (58) 10 350 (80) 1 500 815 9 900 (69) 6 200 (42) 2 800 (19) 4 000 (30) 6 000 (42) 8 600 (63) 1 600 870 7 000 (50) 4 100 (30) 2 000 (14) 3 000 (22) 4 200 (30) 6 100 (42) 1 800 980 3 600 (26) 2 500 (14) 780 (5.7) 1 250 (8) 1 900 (11) 2 900 (20) 2 000 1 095 1 700 (10) 1 000 (7) 350 (3) 940 2 100 1 150 1 400 (8) 800 - (5) 0.001 % hr 650 - (4) 0.01 % hr - 0.10 % hr (6.5) 1 450 (9) - Oxidation /////////////// //// Alloy 601 has excellent resistance to oxidation and scaling in high temperature environments. The protective oxide layer formed by the addition of aluminium at elevated temperatures allows the alloy to perform with very little weight loss in cyclic applications at temperatures through 2 300 F. corrosion ////////////// //// The high nickel and chromium composition of Alloy 601 not only help to give it superior high temperature performance but also bive the alloy excellent resistance to many wet corrosive environments. In these types of applications, the performance of Alloy 601 is similar to that of Alloy 600. Alloy 601 has excellent resistance to nitric acid, low concentrations of phosphoric acid, sodium hydroxide solutions and sea water. The alloy is not resistant to hydrochloric and hydrofluoric acid environments. Because of the alloys high nickel content, it is extremely resistant to chloride-ion stress-corrosion crackin in most environments. HEAT TREATMENT ///////// //// Alloy 601 is not hardenable by heat treatment. The alloy can only be strengthened by cold working. Annealing is conducted to soften the material after cold working operations. As with other nickel based alloys, Alloy 601 must be clean before any heat treating is attempted. Softening begins at 1 600 F (871 C). At temperatures of 1 850 F (1010 C) or higher, grain growth will occur rapidly. For internal use only. 4/5

Cold /////////////////// //// Alloy 601 exhibits the excellent cold forming characteristics normally associated with chromiumnickel stainless steels. The high nickel content prevents the austenite to martensite transformation which can occur when Alloys 301 or 304 stainless steels are cold formed. The alloy has a lower work hardening rate than Alloys 301 or 304 and can be used in multiple draw forming operations where relatively large amounts of deformation occur between anneals. //// If a high temperature anneal is conducted on the Alloy 601 to produce a relatively large grain size for elevated temperature properties, extensive forming produces a visibly undulated surface called “orange peel”. This surface characteristic is produced by the large grain size and is usually considered detrimental to the properties of the material. /////////////////////////// //// Alloy 601 can be joined by the standard resistance and fusion welding processes used for the stainless steels. A number of welding rods and wires are commercially available for joining Alloy 601 to itself and other materials. Since the aluminum in the alloy forms a tightly adhering oxide, which can be removed only by grinding, inert gas shielding is desirable. For internal use only. 5/5

ALLOY 601 DATA SHEET UNS N06601 For internal use only. //// Alloy 601 (UNS designation N06601) is a nickel-chromium alloy designed for use in high temperature applications. Compared to Alloy 600 (UNS designation N06600), Alloy 601 has increased chromium as well as the addition of aluminum which forms a tough oxide scale

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