HGT 20634-2009 紧固件(Class系列)



HG/T 20634-2009 表3.4.2 管法兰专用螺母尺寸表（第435页）
d	da	da	dw	e	m	m	m'	s	s
d	max	min	min	min	max	min	min	max	min
M14	15.1	14	21.1	25.94	14.3	13.6	10.9	24	23.16
M16	17.3	16	24.1	29.3	16.4	15.7	12.5	27	26.16
M20	21.6	20	30.5	36.96	20.4	19.1	13.9	34	33
M24	25.9	24	37.5	44.8	24.4	23.1	18.5	41	40
M27	29.1	27	42.5	50.4	27.4	26.1	20.9	46	45
M30	32.4	30	46.5	54.88	30.4	28.8	23.1	50	49
M33	35.6	33	50.8	60.26	33.5	31.9	25.5	55	53.8
M36×3	38.9	36	55.8	65.86	36.5	34.9	27.9	60	58.8
M39×3	42.1	39	60.1	70.67	39.5	37.9	30.3	65	63.1
M42×3	45.4	42	60.1	70.67	42.5	40.9	32.2	65	63.1
M45×3	48.6	45	65.1	76.27	45.5	43.92	35.2	70	68.1
M48×3	51.8	48	70.1	81.87	48.5	46.9	37.5	75	73.1
M52×3	56.2	52	75.1	87.47	52.5	50.6	45.3	80	78.1
M56×3	60.5	56	79.3	92.74	56.5	54.6	48.7	85	82.8
M64×3	69.1	64	89.3	103.94	64.5	62.6	50.1	95	92.8
M70×3	75.6	70	96.9	111.79	70.5	68.4	55	102	100
M76×3	82.1	76	104.5	120.74	76.5	74.6	59.7	110	107.8
M82×3	88.6	82	112.1	129.45	82.5	80	64.4	118	115.6
M90×3	97.2	90	123.5	142.8	90.5	88.3	70.7	130	127.5