Steel Heat Treatment - Metallurgy and Technologies 2nd ed - G. Totten (CRC_ 2007) 3 pptx

... Quenching and Quenching Technology Hans M. Tensi, Anton Stich, and George E. Totten Chapter 10 Distortion of Heat- Treated Components Michiharu Narazaki and George E. Totten Chapter 11 Tool Steels Elhachmi ... the amount of gas evolved during solidification. These four types are called killed, semikilled, capped, and rimmed steels [6,8]. 1.3.1.1 Killed Steels Killed steel is a...

Ngày tải lên: 27/06/2014, 23:20

... 0.08–0 .13 G 111 70 11 17 0 .14 –0.20 1. 00 1. 30 0.040 0.08–0 .13 G 111 80 11 18 0 .14 –0.20 1. 30 1. 60 0.040 0.08–0 .13 G 113 70 11 37 0.32–0.39 1. 35 1. 65 0.040 0.08–0 .13 G 113 90 11 39 0.35–0.43 1. 35 1. 65 0.040 0 .13 –0.20 G 114 00 ... Mn P S Pb Gl 211 0 12 11 0 .13 0.60–0.90 0.07–0 .12 0 .10 –0 .15 — G1 212 0 12 12 0 .13 0.70 1. 00 0.07–0 .12 0 .16 –0.23 — G1 213 0 1...

Ngày tải lên: 13/08/2014, 05:21

... 040A 22 (En2C, En2D) 970 050A 22 970 060A 22 970 080A 22 1 025 1.0406, C25 G4051 S25C — A3 5-5 52 XC25 25 C25 1.0415, D2 5 -2 , D2 6 -2 A3 5-5 66 XC25 C25E4 1.1158, Ck25 C25M2 1 026 1.1155, GS-Ck25 — 970 070M26 ... A3 3-1 01 AF 42 C20 1019 — — — — 1 020 1.04 02, C 22 G4051 S20C 970 040A20 A3 5-5 51 XC18 20 C20 1.0414, D2 0 -2 1.0 427 , C 22. 3 1.0460, C 22. 8 1.1149, Cm...

Ngày tải lên: 13/08/2014, 05:21

... Precipitation-Hardening Steels 205 4.5.5.1 Structural Steels 205 4.5.5.2 Spring Steels 206 4.5.5 .3 Tool Steels 207 4.5.5.4 Heat- Resistant Alloys 208 4.5.6 Transformation-Induced Plasticity Steels 208 ò ... Tempering 201 4.5 Heat Treatment of Special Category Steels 201 4.5.1 High-Strength Steels 201 4.5.2 Boron Steels 202 4.5 .3 Ultrahigh-Strength Steels 202 4.5.4 Martensitic Stainle...

Ngày tải lên: 13/08/2014, 05:21

... annealing. (From K.E. Thelning, Steel and Its Heat Treatment, 2nd ed. , Butterworths, London, 1984.) ò 20 06 by Taylor & Francis Group, LLC. CCT diagram for rolled steel austenitized at 860 8C. ... Calculated values and (b) experimentally obtained values. (From G. Spur and T. Sto ă ferle (Eds.), Handbuch der Fertigungstechnik, Vol. 4/2, Wa ă rmebehandeln, Carl Hanser,...

Ngày tải lên: 13/08/2014, 05:21

... 1000 FIGURE 6.1 17 Comparison of measured (- - -) and calculated (—) cooling curves for the center of a 50-mm diameter bar quenched in (a) mineral oil at 208C, without agitation and (b) 25% PAG ... superimposed calculated cooling curves for surface (S), three-quarter radius (3/4R) and center (C) of a round bar of 50-mm diameter. ò 2006 by Taylor & Francis Group, LLC. For m...

Ngày tải lên: 13/08/2014, 05:21

... austempered and of hardened and tempered bars made of AISI 1090 steel. In spite of having a little higher tensile strength and hardness, austempered specimens have had remarkably higher elongation, reduction ... austempered and of hardened and tempered bars made of AISI 1090 steel. In spite of having a little higher tensile strength and hardness, austempered specimens have had r...

Ngày tải lên: 13/08/2014, 05:21

... austenitized at 8408C (15448F) Hardness in HRC or HV 2,3—Compostion in % A c1 = 7458C A c3 = 7908C M s = 3558C 1 1 110 100 10 100 1,000 10, 000 10 s min h (b) 10 2 10 3 10 4 10 5 10 6 Time A ... Cr 4), and Continued 546 Steel Heat Treatment: Metallurgy and Technologies ò 2006 by Taylor & Francis Group, LLC. When a piece of steel is austeniti zed and c...

Ngày tải lên: 13/08/2014, 05:21

... probes design. 9.8 PROPERTY PREDICTION METHODS There are increasing demands on the heat treater to achieve as-quenched properties while simultaneously reducing heat treatment costs. To achieve ... (From M. Narazaki, G.E. Totten, and G.M. Webster, in Handbook of Residual Stress and Deformation of Steel, G.E. Totten, M.A.H. Howes, and T. Inoue, Eds., ASM International, Materials...

Ngày tải lên: 13/08/2014, 05:21