DIN506001980金属材料的检验.金相显微照片.图象比列及尺寸5371

1、din 50600-1980 金属材料的检验.金相显微照片.图象比列及尺寸5371-o-hawe。ev30ecu-aw-。-mwa咀。冒cohm-ezhecee四;3四cawtc。eoeee。pzzeo=帽c-s亏-22回事zu-;see-bzeggmegm=目-a-e。豆。;30.zee比ohlczh3=-百c-mmz3nm的且3份。zoezzoo-vzoe比z。zaw-c句lfudc 669.1/.8 620.18 deutsche normen march 1980 testing of metallic materials metallographic 问 icrographs din

2、 50 600 picture scales and formats prfung metallischer werkstoffej metallographische gefgebilder; abbildungs-massst主beee国.回e3e。z3=百c-mzg旦3。口z-dzh。soeee且=oz且wazh自主h-co.宫;bec。，c。-h03哩。且。e1 picture seales 1. 1 natural size 1:1 1. 2 enlargements table 1. 2 1 20 1 200 1 5 1 50 1 500 1 10 1 100 1 1000 1 1

3、500 1 the picture scales given in table 1 are used for preference in the field of light (optical) microscopy. ln the optoelectronic field , a strict specification of enlargement sizes s avoided. only rounded figures are specified. ln accordance with the setting tolerance of 4 % approx. , we obtain t

4、he recommendations listed in table 2. table 2. range of enlargement e r u +l e -p eo ht +l e s-唱ifa ou au n u o pnn up to 10 000 1 over 10 000 1 up to 50 000 1 over 50 000 1 up to 100 000 1 500 : 1 2000 1 5000 1 1.3. reductions ln the case of reductions , the picture scales should , as far as possib

5、le , be graduated according to table 1 of section 1.2 , i.e. 1:2 , 1:5 etc. 1.4 enlargement of the original the picture scales apply to the. original pctures. if it is desred to enlarge or reduce original pictures by technical prnting measures , the alteration of the picture scale shall be indicated outsi4e the picture next to the picture scale of the original picture. continued on page 2 explanations on page 2 80le 81e rights of german standards (din-normen) are with