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rockwell hardness

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Journal Articles
Alloy Digest (1990) 39 (10): TS-502.
Published: 01 October 1990
... PROPERTIES Table 1 - NOMINAL MECHANICAL. PROPERTIES* Rockwell C hardness 66 Wear Tesistance** Unnotched Izod ImpFt, Ft-lb,(J) Hot hardness, Rc~;o 62 540°C(1& F) 60 56 65O C( 12OO F) 40 *Small diameter bars t.ested following the recommended heat treatment **Relative wear resistance using Vasco Standard vihi...
Journal Articles
Alloy Digest (1975) 24 (8): Zn-21.
Published: 01 August 1975
... Rockwell 15T hardness (Hot rolledj 65-76 passes to final gage. High luster (Cold rolled) 71-82 Low ductility Fatigue strength (Endurance limit), psi No. 3 -Hot rolling to final gage. Intermediate hardness (Hot rolled:) 6800 Frosty finish on one side is Good luster Creep rate at 77oF, days for 1% creep...
Journal Articles
Alloy Digest (1965) 14 (1): TS-158.
Published: 01 January 1965
... Vasco Hypercut is a super-hard high-speed steel that hardens to Rockwell C70 and is recommended for cutting tools for the toughest machining operations. This datasheet provides information on composition and hardness as well as fracture toughness. It also includes information on forming, heat...
Journal Articles
Alloy Digest (1975) 24 (6): Ni-218.
Published: 01 June 1975
... COLMONOY NO. 52SA comprises a nickel-base alloy recommended for hard surfacing parts to resist wear, corrosion, heat and galling. Deposits, which have only moderate hardness (Rockwell C 45-50), may be machined with carbide tooling. Also, deposits have fairly good ductility and impact strength...
Journal Articles
Alloy Digest (1975) 24 (5): Ni-217.
Published: 01 May 1975
... COLMONOY NO. 5 comprises a chromium-boride-containing, nickel-base alloy recommended for hard surfacing parts to resist wear, corrosion, heat and galling. Deposits, which have only moderate hardness (Rockwell C 45-50), may be machined with carbide tooling. Also, deposits have fairly good...
Journal Articles
Alloy Digest (1975) 24 (12): Ni-222.
Published: 01 December 1975
... COLMONOY No. 4 is a nickel-base alloy containing chromium boride. It is recommended for hard surfacing parts to resist wear, heat, corrosion and galling. Deposits, which have only moderate hardness (Rockwell C 35-40), can be machined with carbide tooling. Also, deposits have fairly good...
Journal Articles
Alloy Digest (1976) 25 (5): Ni-227.
Published: 01 May 1976
... COLMONOY No. 42SA is a nickel-base alloy recommended for hard surfacing parts to resist wear, heat, corrosion and galling. Deposits have a moderate hardness of Rockwell C 35-40 and can be machined with carbide tooling. Also, deposits have fairly good workability, ductility and impact strength...
Journal Articles
Alloy Digest (1977) 26 (6): Ni-245.
Published: 01 June 1977
... COLMONOY No. 56 comprises a chromium-boride-containing, nickel-base alloy recommended for hard surfacing parts to resist wear, corrosion, heat and galling. Deposits, which have only moderate hardness (Rockwell C 50-55), may be machined with carbide tooling. Also, deposits have fairly good...
Journal Articles
Alloy Digest (1954) 3 (11): CI-9.
Published: 01 November 1954
...-55000 60000-75000 Transverse strength , lbs. 4000-5000 4500-6800 4500-5500 5500-7000 Transverse deflection , in. 0.08-0.11 0.08-0.12 0.10-0.12 0.10-0.12 BrineJI hardness3 55E% - 600-725 525-625 575-675 Rockwell hardness c 56-64 52-59 57-62 Izod impact , ft. lbs. 20-30 25-40 25-35 35-55 l-tensile...
Journal Articles
Alloy Digest (1966) 15 (12): Ti-49.
Published: 01 December 1966
... resistance, inches fall 2.5 Toughness* 111 Endurance limit, psi 50000 Rockwell hardness A89 Transverse rupture strength, psi 150000 *Measured as the area under the stress-strain curve Table 2 - TYPICAL MECHANICAL PROPERTIES AT 18000F Tensile strength, psi 40000 Elongation, % in 2 0.21 Toughness* 60 Table 3...
Journal Articles
Alloy Digest (1964) 13 (1): Co-36.
Published: 01 January 1964
..., ft-lbs. (unnotchedj 11 Rockwell hardness c40-44 Table 2 - ELEVATED TEMPERATURE ROCKWELL HARDNESS Test Temperature *Oxy-Acetylene oF Welded Deposit 650 c33 850 c27 1050 c22 1200 c20 1400 A46 *After cooling from test temperatures, the room temperature hard- ness is regained. Heat Treatment: Wallex No...
Journal Articles
Alloy Digest (1962) 11 (1): Co-6.
Published: 01 January 1962
..., Btu/ht/f~2/ft/oF Coefficient thermal expansion, OF 85.500°F 85-1000°F 85-15000F Magnetic permeability ac 200 Oersreds Modulus of elasticity, psi PROPERTIES Table 1 - MECHANICAL PROPERTIES Tensile strength. psi 50000-60000 Rockwell hardness (X5-63 Table 2 - ELEVATED-TEMPERATURE PROPERTIES Temperatute...
Journal Articles
Alloy Digest (1969) 18 (11): SA-246.
Published: 01 November 1969
.... 1100°F. 1200°F. Tensile strength, psi 206000 181000 158750 Yield point, psi 181500 165000 141000 Elongation, $7~ in 2 13.2 15.5 17.5 Reduction of area, 70 45.8 54.3 55.8 Brinell hardness 415 368 320 Rockwell hardness C 44.6 41.0 36.0 Table 3 - TYPICAL PROPERTIES OF NITRIDED MATERIAL (Nitrided 90 hrs...
Journal Articles
Alloy Digest (1962) 11 (5): Ti-33.
Published: 01 May 1962
... Rockwell hardness 112,000 50,000 at 700F at 14000F Compressive ultimate strength, psi Compressive yield strength, psi A89 A74 450,000 Elongation, % in 2 Table 2 - FATIGUE STRENGTH Test Temperature Fatigue Strength oF 108 cycles, psi 70 85000 1600 50500 1800 20000 Table 4 - SHORT-TIME TENSILE DATA Table 5...
Journal Articles
Alloy Digest (1963) 12 (1): Ni-78.
Published: 01 January 1963
... Cobalt 0.20 max. Nickel 65.00-75.00 PROPERTIES Table 1 - ROOM TEMPERATURE ROCKWELL HARDNESS Oxy-acetylene welded deposit Spraywelded deposit Castings Arc welded deposit (one layer) (two layers) C56-61 C56-61 C56-61 C35-45 C49-56 Specific gravity 7.80 Density, Ib/cu.in. 0.281 Melting range, oF 1740-1950...
Journal Articles
Alloy Digest (1968) 17 (6): Co-55.
Published: 01 June 1968
... coef. expansion x 10B6 20-100°C 20-400°C 20-700 c 20-900°C hlelting range, C hlodulus of elasticity, psi x 106 in tension in compression PROPERTIES Table 1 - TYPICAL hfECH.\NICAL PROPERTIES - Cast Diamond Pyramid hardness Rockwell hardness Tensile strength, psi Elongation, S in 2 Compressive ultimate...
Journal Articles
Alloy Digest (1974) 23 (9): Ni-208.
Published: 01 September 1974
... 53000 11 Deposited & aged 1600oF, 16 hr 110000 102000 2 Table 2 - HARDNESS (Undiluted weld metal) Condition layer deposit Work hardened Rockwell Hardness B96 c37 Table 3 - RECOMMENDED CURRENT SETTINGS FOR WELDING Electrode Current, Amperes Diameter* Alternating Direct Current in. Current Reverse...
Journal Articles
Alloy Digest (1967) 16 (10): CI-34.
Published: 01 October 1967
...-0.15 Ixod impact, ft. lbs. 35-45 35-45 (1.2 dia. unnotched bar struck 3 above support.) Diamond Pyramid hardness 550 550 *For fully martensitic structures, tensile strengths are in ex- cess of 100,000 psi. Table 2 - HOT HARDNESS Test Temperature Rockwell Hardness F C 75 53.5 300 53.5 500 53.0 700...
Journal Articles
Alloy Digest (1995) 44 (12): Ni-493.
Published: 01 December 1995
...: Density, lb/cu in. specific gravity Hardness (Rockwell C) Melting point (approx.) Solidus Liquidus Compressive strength Tensile strength Single Pass (avg): Double Pass (avg): 0.34 9.5 49 56 2100°F (115l C) 2250°F (1230°C) 225,000 psi (average) 100,000 psi (average) PROPERTIES Deposition of Metal Powder...
Journal Articles
Alloy Digest (1968) 17 (6): TS-207.
Published: 01 June 1968
... PROPERTIES Tensile strength, psi 115000 Yield strength, psi (0.1%) 55000 Elongation, 7% in 2 Reduction of area, % ii.5 Brine11 hardness 223 Table 3 - EFFECT OF TEMPERING ON HARDNESS (2 cube air cooled and tempered ac temperature indicated) Rockwell C Hardness Tempering Temperature Air Cooled Air Cooled...