GB /T 7307 - 2001 Pipe Threads with 55 Degree Thread Angle where Pressure-Tight Joints are not Made on the Threads

尺寸代号
Designation of Thread

G 1/16

G 1/8

G 1/4

G 3/8

G 1/2

G 5/8

G 3/4

G 7/8

G 1

G 1-1/8

G 1-1/4

G 1-1/2

每25.4mm所含牙数
P \| 螺距
h \| 牙高
d=D \| 大径
d2=D2 \| 中径
d1=D1 \| 小径
中径公差 \| 内螺纹 \| 下偏差
中径公差 \| 内螺纹 \| 上偏差
中径公差 \| 外螺纹 \| 下偏差 \| A级
中径公差 \| 外螺纹 \| 下偏差 \| B级
中径公差 \| 外螺纹 \| 上偏差
小径公差 \| 内螺纹 \| 下偏差
小径公差 \| 内螺纹 \| 上偏差
大径公差 \| 外螺纹 \| 下偏差
大径公差 \| 外螺纹 \| 上偏差

28	28	19	19	14	14	14	14	11	11	11	11
0.907	0.907	1.337	1.337	1.814	1.814	1.814	1.814	2.309	2.309	2.309	2.309
0.581	0.581	0.856	0.856	1.162	1.162	1.162	1.162	1.479	1.479	1.479	1.479
7.723	9.728	13.157	16.662	20.955	22.911	26.441	30.201	33.249	37.897	41.910	47.803
7.142	9.147	12.301	15.806	19.793	21.749	25.279	29.039	31.77	36.418	40.431	46.324
6.561	8.566	11.445	14.95	18.631	20.587	24.117	27.877	30.291	34.939	38.952	44.845
0	0	0	0	0	0	0	0	0	0	0	0
0.107	0.107	0.125	0.125	0.142	0.142	0.142	0.142	0.180	0.180	0.180	0.180
-0.107	-0.107	-0.125	-0.125	-0.142	-0.142	-0.142	-0.142	-0.180	-0.180	-0.180	-0.180
-0.214	-0.214	-0.25	-0.25	-0.284	-0.284	-0.284	-0.284	-0.360	-0.360	-0.360	-0.360
0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
0.282	0.282	0.445	0.445	0.541	0.541	0.541	0.541	0.640	0.640	0.640	0.640
-0.214	-0.214	-0.25	-0.25	-0.284	-0.284	-0.284	-0.284	-0.360	-0.360	-0.360	-0.360
0	0	0	0	0	0	0	0	0	0	0	0

尺寸代号
Designation of Thread

G 1-3/4

G 2

G 2-1/4

G 2-1/2

G 2-3/4

G 3

G 3-1/2

G 4

G 4-1/2

G 5

G 5-1/2

G 6

每25.4mm所含牙数
P \| 螺距
h \| 牙高
d=D \| 大径
d2=D2 \| 中径
d1=D1 \| 小径
中径公差 \| 内螺纹 \| 下偏差
中径公差 \| 内螺纹 \| 上偏差
中径公差 \| 外螺纹 \| 下偏差 \| A级
中径公差 \| 外螺纹 \| 下偏差 \| B级
中径公差 \| 外螺纹 \| 上偏差
小径公差 \| 内螺纹 \| 下偏差
小径公差 \| 内螺纹 \| 上偏差
大径公差 \| 外螺纹 \| 下偏差
大径公差 \| 外螺纹 \| 上偏差

11	11	11	11	11	11	11	11	11	11	11	11
2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309
1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479
53.746	59.614	65.710	75.184	81.534	87.884	100.33	113.03	125.73	138.43	151.13	163.83
52.267	58.135	64.231	73.705	80.055	86.405	98.851	111.551	124.251	136.951	149.651	162.351
50.788	56.656	62.752	72.226	78.576	84.926	97.372	110.072	122.772	135.472	148.172	160.872
0	0	0	0	0	0	0	0	0	0	0	0
0.180	0.180	0.217	0.217	0.217	0.217	0.217	0.217	0.217	0.217	0.217	0.217
-0.180	-0.180	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217
-0.360	-0.360	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434
0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
0.640	0.640	0.640	0.640	0.640	0.640	0.640	0.640	0.640	0.640	0.640	0.640
-0.360	-0.360	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434
0	0	0	0	0	0	0	0	0	0	0	0

单位：毫米

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DIN 7505 - 1986

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DIN 7970 - 1984

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DIN 103 - 1 - 1977

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DIN 7998 - 1975

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DIN 2510-2 - 1971

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