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1、 各国表面粗糙度等级对照表 标准代号 中 国 GB/T1031-1995 I S O ISO 1302-1974 美 国 ANSI Y 14.36-1978 日 本 JIS B 0601-1976 德 国 DIN 4763-1972 英 国 BS1134.1-1972 公 比 1.6 ；2（Rz） 2 优先值 2 2 2；1.6 2 评定参数 Ra Rz Ra Ra Rmax Rz Ra Ra Rt Ra 单 位 等级 m m 等级 m in m in 等级 m m m 等级 m m 等 级 m in 0.0060.0060.0060.006 0.040.040.040.04 14141414
2、 0.0120.0120.0120.012 0.0250.0250.0250.025 0.05S0.05S0.05S0.05S 0.05Z0.05Z0.05Z0.05Z 0.060.060.060.06 （0.0130.0130.0130.013a a a a） 0.0120.0120.0120.012 0.0120.0120.0120.012 0.50.50.50.5 13131313 0.0250.0250.0250.025 0.050.050.050.05 N1N1N1N1 0.0250.0250.0250.025 1 1 1 1 0.1S0.1S0.1S0.1S 0.1Z0.1Z0.1
3、Z0.1Z 0.100.100.100.10 N1N1N1N1 0.025*0.025*0.025*0.025* 1*1*1*1* 0.0250.0250.0250.025a a a a 0.0250.0250.0250.025 0.0250.0250.0250.025 1 1 1 1 0.160.160.160.16 12121212 0 0 0 0.05.05.05.05 0.10.10.10.1 0.2S0.2S0.2S0.2S 0.2Z0.2Z0.2Z0.2Z N2N2N2N2 0.050.050.050.05 2 2 2 2 0.05*0.05*0.05*0.05* 2*2*2*2*
4、 0.060.060.060.06a a a a 0.050.050.050.05 0.250.250.250.25 N2N2N2N2 0.50.50.50.5 2 2 2 2 11111111 0.10.10.10.1 0.20.20.20.2 0.0750.0750.0750.075 3 3 3 3 0.4S0.4S0.4S0.4S 0.4Z0.4Z0.4Z0.4Z 0.40.40.40.4 N3N3N3N3 0.10.10.10.1 4 4 4 4 0.10*0.10*0.10*0.10* 4*4*4*4* 0.100.100.100.10a a a a 0.100.100.100.10
5、 N3N3N3N3 0.10.10.10.1 4 4 4 4 10101010 0.20.20.20.2 0.40.40.40.4 0.1250.1250.1250.125 0.150.150.150.15 5 5 5 5 6 6 6 6 0.8S0.8S0.8S0.8S 0.8Z0.8Z0.8Z0.8Z 0.630.630.630.63 N4N4N4N4 0.20.20.20.2 8 8 8 8 0.20*0.20*0.20*0.20* 8*8*8*8* 0.200.200.200.20a a a a 0.200.200.200.20 1.01.01.01.0 N4N4N4N4 0.20.2
6、0.20.2 8 8 8 8 9 9 9 9 0.40.40.40.4 0.80.80.80.8 1.6S1.6S1.6S1.6S 1.6Z1.6Z1.6Z1.6Z 0.40.40.40.4a a a a 1.61.61.61.6 0.40.40.40.4 N5N5N5N5 0.40.40.40.4 16161616 N5N5N5N5 0.40.40.40.4 16161616 0.250.250.250.25 0.320.320.320.32 0.40*0.40*0.40*0.40* 10101010 13131313 16161616 2.52.52.52.5 8 8 8 8 0.80.8
7、0.80.8 1.61.61.61.6 0.500.500.500.50 0.630.630.630.63 20202020 25252525 3.2S3.2S3.2S3.2S 3.2Z3.2Z3.2Z3.2Z 0.80.80.80.8a a a a 0.80.80.80.8 4 4 4 4 N6N6N6N6 0.80.80.80.8 32323232 N6N6N6N6 0.0.0.0.8 8 8 8 32323232 0.80*0.80*0.80*0.80* 32*32*32*32* 6.36.36.36.3 7 7 7 7 1.61.61.61.6 3.23.23.23.2 1.001.0
8、01.001.00 1.251.251.251.25 40404040 50505050 N7N7N7N7 1.61.61.61.6 63636363 1.60*1.60*1.60*1.60* 63*63*63*63* 6.3S6.3S6.3S6.3S 6.3Z6.3Z6.3Z6.3Z 1.61.61.61.6a a a a 1.61.61.61.6 N7N7N7N7 1.61.61.61.6 63636363 6.36.36.36.3 10101010 6 6 6 6 3.23.23.23.2 12.5S12.5S12.5S12.5S 12.5Z12.5Z12.5Z12.5Z N8N8N8N
9、8 3.23.23.23.2 125125125125 2.02.02.02.0 2.52.52.52.5 3.2*3.2*3.2*3.2* 80808080 100100100100 125*125*125*125* 12.512.512.512.5 18S18S18S18S 18Z18Z18Z18Z 3.23.23.23.2a a a a 3.23.23.23.2 16161616 N8N8N8N8 3.23.23.23.2 125125125125 5 5 5 5 6.36.36.36.3 25252525 N9N9N9N9 6.36.36.36.3 250250250250 4.04.
10、04.04.0 5.05.05.05.0 6.3*6.3*6.3*6.3* 160160160160 200200200200 250*250*250*250* 25S25S25S25S 25Z25Z25Z25Z 6.36.36.36.3a a a a 6.36.36.36.3 N9N9N9N9 6.36.36.36.3 250250250250 25252525 35S35S35S35S 35Z35Z35Z35Z 40404040 4 4 4 4 12.512.512.512.5 8.08.08.08.0 10.010.010.010.0 320320320320 400400400400
11、50S 50S50S50S 50Z50Z50Z50Z 12.512.512.512.5a a a a 12.512.512.512.5 63636363 N10N10N10N10 12.512.512.512.5 500500500500 N10N10N10N10 12.512.512.512.5 500500500500 12.5*12.5*12.5*12.5* 500*500*500*500* 50505050 70S70S70S70S 70Z70Z70Z70Z 100100100100 3 3 3 3 25252525 15151515 20202020 600600600600 800
12、800800800 100S100S100S100S 100Z100Z100Z100Z 25252525a a a a 25252525 N11N11N11N11 25252525 1000100010001000 N11N11N11N11 25252525 1000100010001000 25*25*25*25* 1000*1000*1000*1000* 140S140S140S140S 140Z140Z140Z140Z 160160160160 100100100100 2 2 2 2 50505050 200200200200 200Z200Z200Z200Z 50505050 250
13、250250250 N12N12N12N12 50505050 2002002002000 0 0 0 280S280S280S280S 280Z280Z280Z280Z （50505050a a a a） N12N12N12N12 50505050 2000200020002000 200200200200 400S400S400S400S 400Z400Z400Z400Z 400400400400 表面粗糙度等级和参数 1 1 1 1 100100100100 400400400400 560S560S560S560S 560S560S560S560S （100a100a100a100a） 630630630630
