ASTM E 1268-2001 1 / 32 E 1268 ( ) - ( ) 1. 1.1 1.2 1 ( ) 1.3 ( 0.10-0.65%) 1.4 1.5 1 ASTM E04 E04.14 2001 12 10 2002 2 E1268-88 E1268-99 2 ASTM 01.03 3 ASTM 01.04
4 ASTM 03.01 1.6 SI SI - 1.7 2. 2.1 ASTM 2 A370 3 A572/A572 M A588/A588M 4 (100mm) 50ksi(345MPa) E3 E7 E140 E384 E407 E562 4 E883 3. 3.1 E7 3.2 3.2.1 banded microstructure 3.2.2 feature interceptions ( ) ( 1) 2 / 32
1 (A) (B) P P A B 2 T E 1 () (P) 3.2.3 feature intersections ( 1) 3.2.4 oriented constituents ( ) ( ) 3.2.5 stereological methods 2 A1 2 3 / 32
+ * * + / * 2 3.3 = M L t mm M = = L L t t // P = P = P P 2 = Lt 4 / 32
P = P // 2 Lt n = = = n n P = L n P 2 P P = n 2 X P P s ( ) t 95 95%CI = 95% 95 % CI = ± ts n RA 95% CI % RA = 100 X SB = 1 SB Vv λ 1 V = v AI 5 / 32
AI = P L = P 12 Ω 12 = + 0.571 Ω 12 = P P + P 0.571P 4 4.1 4.2 4.3 5. 5.1 5.2 5.3 5.4 5.5 5.6 6 / 32
6. 6.1 ( ) 50 200 6.2 ( ) 500mm 6.3 6.4 TV 6.5 7. 7.1 ( ) - 7.2 7.3 7.1 7.2 / - 7.4 7 / 32
10mm(0.4 ) 100mm 2 0.16 2 10mm 0.4 5 L pine,m., Image Convolutions and their Application to Quantitative Metallography, Microstructural Science, Vol.17, Image analysis and Metallography, ASTM International, Metals Park, OH, 1989, pp.103-114. 6 Flower, D.B., A Method for Evaluating Plasma Spray Coating Porosity Content Using Stereological Data Collected by Automatic Image Analysis, Microstructural Science, Vol.18, Computer-Aided Microscopy and Metallography, ASTM International, Materials Park, OH, 1990,pp.13-21. 8. 8.1 E3 8.2 8.3 E407 9. 9.1 9.2 mm 10. 10.1 50 100 10.1.1 10.1.2 8 / 32
E883 10.2 2 10.2.1 10.2.2 10.2.3 10.2.4 10.2.5 10.2.6 A1 2 10.3 10.17 P 10.3.1-10.3.4 1 1 1 P 9 / 32
1. 2. P A 3. 1 P L PL 4. 1/2 P 1 5. 1/2 P 1 6. 1/2 P 0 A 10.3.1 L 1 1 1 L = L t 1 L t mm M 10.3.2 L L 10.3.1 L// 10 / 32
L // // = 2 L t L t 10.3.1 10.3.3 P L P 1 1 P L P L P PL = 3 L L t 10.3.1 t 10.3.4 P L P L 10.3.3 P L P L P// PL // = 4 L L t 10.3.1 t 10.3.5 5 10.3.6 A1 10.4 11 / 32
10.4.1 500gf HRC E384 10.4.2 5 5 3 t- 10.4.3 HK 500gf E140 HK257 HK HRC A370 HK HRC A2 HK HRC 10.4.4 0.10-0.65 500gf HRC A2 1 3 2 4 A2 11. 11.1 n n n P P P 11.2 n n 12 / 32
[ X i X ] 1/ 2 n 1 2 s = 1 5 n i 1 X i X = = 11.3 95 95 CI s ts 95 % CI = ± 6 n t 95 CI 2 95 t 1 n n-1 t n-1 t 2 4.303 2.365 3 3.182 7 2.306 4 2.776 8 2.262 5 2.571 9 2.228 6 2.447 10 11.4 RA 95% CI % RA = 100 7 X X = 30 30 RA 13 / 32
11.5 SB SB = 1 8 E562 λ 1 Vv λ = 9 V v 11.6 11.1 AI AI = AI P = 10 P P L 2 L 1 1 11.7 11.1 L P L 12 Ω 12 = + 0.571 Ω 12 = P P + P 0.571P 11 P L 2 L 0 1 12. 12.1 12.2 14 / 32
12.3 95 L L P L L HK 11.6 11.7 12 11.5 SB λ 12.4 HK HRC 500gf A370 A2 12.4.1 A2 0.10-0.65 13. 13.1 13.2 5 13.3 13.4 13.5 13.6 L L P L P L 5 13.7 A1 15 / 32
13.8 13.9 13.10 A1 13.11 E384 13.12 500gf HRC 13.13 14. 14.1 A1. A1.1 A1.1-A1.20 1 10.3 2 8 20mm 0.79 125mm 4.9 1000mm 39.4 16 / 32
5 200 AISI 312 (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 32.30 28.71 1.13 0.074 62.02 56.50 1.10 0.059 s 1.409 2.316 3.208 4.117 95%CI 1.06 1.75 2.42 3.10 %RA 3.3 6.1 3.9 5.5 n 10 1 A1.1 200 AISI 329 17 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 61.28 13.18 4.65 0.699 121.83 25.58 4.76 0.705 s 3.828 2.390 7.231 4.557 95%CI 2.57 1.61 4.86 3.06 %RA 4.2 12.2 4.0 12.0 n 11 V vγ =0.227 SB =0.0163mm λ =0.0126mm 1 A1.2 200 Glyceregia (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 36.14 17.00 2.13 0.417 72.59 34.08 2.13 0.419 s 4.149 3.348 8.624 7.009 95%CI 2.40 1.93 4.98 4.05 %RA 6.63 11.4 6.9 11.9 n 14 V v =0.490 SB =0.0277mm λ =0.0141mm 1 - A1.3-18 / 32
200 / Cu-40wt%Zn (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.4 X 21.95 12.77 1.72 0.314 43.67 24.95 1.75 0.323 s 2.53 1.839 4.956 4.135 95%CI 1.94 1.41 3.81 3.18 %RA 8.9 11.1 8.7 12.7 n 9 1 50 20 aoh 17-4PH 19 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 9.47 2.32 4.08 0.662 18.31 4.47 4.10 0.663 s 0.611 0.359 1.287 0.795 95%CI 0.76 0.45 1.6 0.99 %RA 8.0 19.4 8.7 22.1 n 5 1 - A1.5-50 20 aoh 17-4PH (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 8.67 1.27 6.83 0.788 16.8 2.42 6.94 0.791 s 1.154 0.529 2.143 1.01 95%CI 1.43 0.66 2.66 1.25 %RA 16.5 52.0 15.8 51.7 n 5 1 - A1.6-20 / 32
50 4 (o./mm) AISI 8715 (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 8.50 2.83 3.0 0.561 17.00 5.66 3.0 0.561 s 0.4555 0.6506 0.911 1.3012 95%CI 0.57 0.81 1.13 1.62 %RA 6.7 28.5 6.7 28.5 n 5 SB =0.118mm λ =0.086mm 1 A1.7 100 4 AISI 8620 21 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.8 X 28.86 25.92 1.11 0.067 56.31 52.55 1.08 0.047 s 1.6373 2.5308 4.205 4.6425 95%CI 1.72 2.66 4.41 4.87 %RA 6.0 10.3 7.8 9.3 n 6 1 200 4 ASTM A 588/A 588M (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 39.75 25.05 1.587 0.272 80.26 49.48 1.62 0.284 s 2.323 1.807 4.961 3.664 95%CI 1.94 1.51 4.15 3.06 %RA 4.9 6.0 5.2 6.2 n 8 SB =0.025mm λ =0.020mm 1 A1.9 22 / 32
200 4 ASTM A 572/A 572M (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 51.69 26.96 1.92 0.369 101.58 53.16 1.91 0.367 s 2.688 3.189 5.793 6.923 95%CI 1.71 2.03 3.68 4.40 %RA 3.3 7.5 3.6 8.3 n 12 SB =0.019mm λ =0.014mm 1 A1.10 200 4 ASTM A 572/A 572M 23 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 51.12 16.96 3.01 0.562 99.20 33.62 2.95 0.554 s 5.025 2.47 5.909 5.068 95%CI 3.59 1.77 4.23 3.63 %RA 7.0 10.4 4.3 10.8 n 10 SB =0.020mm λ =0.016mm 1 A1.11 100 4 X42 (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 37.22 9.70 3.84 0.644 73.83 18.75 3.92 0.652 s 2.054 2.108 4.475 4.126 95%CI 1.47 1.51 3.20 2.95 %RA 3.9 15.6 4.3 15.7 n 10 SB =0.0269mm λ =0.0195mm 1 A1.12 24 / 32
50 Marble AISI M50 (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.13 X 3.79 2.56 1.48 0.234 7.30 4.98 1.47 0.229 s 0.4823 0.770 0.9725 1.4812 95%CI 0.51 0.81 1.02 1.55 %RA 13.5 31.6 14.0 31.1 n 6 1 50 AISI M50 Marble 25 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.14 X 7.43 3.21 2.31 0.456 14.59 6.20 2.35 0.463 s 0.9778 0.7144 1.8779 1.3606 95%CI 0.90 0.66 1.74 1.26 %RA 12.1 20.6 11.9 20.3 n 7 1 50 Marble AISI 440C (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.14 X 18.18 12.93 1.41 0.206 36.28 25.85 1.40 0.204 s 1.3253 0.7193 2.7396 1.4386 95%CI 1.65 0.89 3.40 1.79 %RA 9.1 6.9 9.4 6.9 n 5 1 26 / 32
50 Marble AISI 440C (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 17.40 11.96 1.46 0.225 34.71 23.91 1.45 0.223 s 1.5952 2.8866 3.245 5.7732 95%CI 1.98 3.58 4.03 7.17 %RA 11.4 30.0 11.6 30.0 n 5 1 A1.14 100 10 AISI M2 27 / 32
(o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.17 X 36.23 26.26 1.38 0.195 72.45 52.53 1.38 0.195 s 1.370 4.818 2.740 9.6358 95%CI 1.70 5.98 3.40 11.96 %RA 4.7 22.8 4.7 22.8 n 5 1 A1.17 A1.18 95 2 100 10 AISI M2 (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 X 24.18 16.58 1.46 0.226 48.36 33.16 1.46 0.226 s 4.322 5.575 8.643 11.149 95%CI 5.37 6.92 10.73 13.84 %RA 22.2 41.7 22.2 41.7 n 5 1 A1.17 A1.18 95 2 A1.18 28 / 32
400 AISI 1547 AISI 1547 Streaks Matrix H HK 500 774.5±88.2 688.8±52.4 85.7 HRC( ) 62.0 58.0 4.0 A1.19 50 2 AISI 9310 29 / 32
AISI 9310 Martensite Bainite H 441.5±21.8 320.5±16.9 121.0 43.0 31.3 11.7 (o./mm) (o./mm) AI / 12 P (o./mm) P (o./mm) AIP / P 12 A1.20 X 5.46 0.94 5.81 0.754 10.76 1.82 5.91 0.758 s 1.156 0.251 1.883 0.473 95%CI 0.89 0.19 1.45 0.36 %RA 16.3 20.5 13.5 20.0 n 9 1 V VM =0.3417 SB =0.183mm =0.121mm 2 30 / 32 A2. HK HRC A2.1 HRC A2.1.1 A370 HK HRC 500gf 500gf A2.1.2 HK HRC 360HK 36HRC HRC( ) = (77.6Log HK)-162.2 (A2.1) 0.999908 360-480HK HRC 0.17HRC 495-870HK HRC 0.10HRC HK HRC A2.1.3 360HK LogHK HRC 360HK HRC A2.1.4 360HK 500gf HRC
HRC( ) = 103.76Log HK)-228.7 A2.2 A370 342-251HK 0.29HRC 0.999448 A2.2 A2.2.1 0.10-0.65 58HRC 0.44 C A2.2.2 38 58HRC 0.10-0.44 C C 0.0167HRC -0.539 A2.3 0.9985 58-64HRC 0.44-0.65 C C 0.0358HRC -1.639 A2.4 0.9836 A2.2.3 AISI 1547 A1.19 500gf 744.5HK 688.8HK A2 A2.2 HK HRC 62.0HRC 58.0HRC A2.2.4 A2.4 0.44 0.58 58HRC A2.3 0.43 58HRC 0.43-0.45 0.44 0.01 0.10-0.65 A2.1 100 HRC A2.3 A2.4 Sponzilli 8 31 / 32
8 Sponzilli, J.T., Keith, C.J., and Walter, G.H., Calculating Hardenability Curves from Chemical Composition, Metal Progress, V108, September 1975: 86-87. ASTM ASTM ASTM 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States 610-832-9585 610-832-9555 e-mail service@astm.org ASTM ASTM (http://www.astm.org) 32 / 32