美制板材厚度标准

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1、GA是GAUGE的意思.美国标准中，GA是代表厚度的意思。。北美标准GA是北美的一种关于直径的长度计量单位！属于Browne&Sharpe计量系统，最初是用在医学和珠宝领域的！数字越大直径越小。后来推广了，也可以表示厚度。.有色金属板和钢铁板同是某某GA的时候，厚度实际上不一样,同是某某GA的板材和管材数值也不一样。材料厚度標準比較美制10GA11GA12GA14GA16GA18GA20GA22GA25GA29GA公制3.532.621.51.210.80.60.355英制0.1370.120.080.0750.060.0480.03

2、60.030.0230.014Gauge分数英寸小数英寸公制（毫米）1/64"0.0156"0.397mm26ga0.0159"0.404mm25ga0.0179"0.4547mm24ga0.0201"0.511mm23ga0.0226"0.574mm22ga0.0253"0.643mm21ga0.02846"0.723mm2/64"(1/32")0.0313"0.794mm20ga0.0320"0.812mm19ga0.0359"0.912mm0.039"1.0mm18ga0.040"1.02mm17ga0.045"1.14mm3/

3、64"0.047"1.19mm16ga0.051"1.3mm15ga0.057"1.45mm4/64"(1/16")0.0625"1.59mm14ga0.064"1.6mm13ga0.072"1.8mm5/64"0.078"1.98mm0.079"2.0mm12ga0.081"2.06mm11ga0.091"2.3mm6/64"(3/32")0.094"2.38mm10ga0.102"2.6mm7/64"0.109"2.78mm9ga0.114"2.9mm0.118"3.0mm8/64"(1/8")0.125"3.18mm8ga0.1

4、2849"3.26mm9/64"0.141"3.57mm7ga0.144"3.66mm10/64"(5/32")0.156"3.97mm0.157"4.0mm6ga0.162"4.1mm11/64"0.172"4.37mm5ga0.182"4.6mm12/64"(3/16")0.1875"4.76mm0.197"5.0mm13/64"0.203"5.16mm4ga0.204"5.2mm14/64"(7/32")0.219"5.56mm3ga0.229"5.8mm15/64"0.234"5.95mm0.236"6.0mm16/64"(1

5、/4")0.250"6.35mm2ga0.2576"6.54mm17/64"0.266"6.747mm0.276"7.0mm18/64"(9/32")0.281"7.14mm1ga0.289"7.3mm19/64"0.297"7.54mm20/64"(5/16")0.3125"7.94mm0.315"8.0mm0ga0.3249"8.2525mm21/64"0.328"8.33mm22/64"(11/32")0.344"8.73mm0.354"9.0mm23/64"0.359"9.13mm00ga0.3648"9.266mm24/64

6、"(3/8")0.375"9.53mm25/64"0.391"9.92mm0.394"10.0mm26/64"(13/32")0.406"10.32mm000ga0.4096"10.4mm27/64"0.422"10.72mm0.433"11.0mm28/64"(7/16")0.4375"11.11mm29/64"0.453"11.51mm0000ga0.460"11.68mm30/64"(15/32")0.469"11.91mm0.472"12.0mm31/64"0.484"12.30mm1/2"(32/64")0.500"12.7

7、0mm0.512"13.0mm00000ga0.517"13.12mm0.551"14.0mm9/16"(36/64")0.5625"14.28mm000000ga0.580"14.73mm0.591"15.0mm5/8"(40/64")0.625"15.87mm0.630"16.0mm0.669"17.0mm11/16"(44/64")0.6875"17.46mm0.709"18.0mm0.748"19.0mm3/4"(48/64")0.750"19.05mm0.787"20.0mm13/16"(52/64")0.8125"20.6

8、4mm0.827"21.0mm0.866"22.0mm7/8"(56/64")0.875"22.22mm0.906"23.0mm15/16"(60/64")0.9375"23.81mm0.945"24.0mm0.984"