Stainless Fastener Torque & Preload

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不銹鋼緊固件預載和擰緊扭矩

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該表顯示了 A1、A2 和 A4 不銹鋼緊固件的最大允許擰緊扭力以及由此產生的最大預緊力。

僅供參考

螺紋尺寸	摩擦係數	預載 (Kn) 特性等級			鎖緊扭力 (Nm) 性能等級			最小破斷扭矩
		A1-50	A2-70	A4-80	A1-50	A2-70	A4-80	A1-50	A2-70	A4-80
M1.6	0.1	0.4	0.55	0.55	0.1	0.1	0.2	0.15	0.2	0.24
	0.2	0.3	0.35	0.35	0.1	0.2	0.35
	0.3	0.2	0.3	0.3	0.2	0.25	0.45
M2.0	0.1	0.5	0.6	0.6	0.15	0.2	0.3	0.3	0.4	0.48
	0.2	0.4	0.5	0.5	0.25	0.3	0.4
	0.3	0.25	0.36	0.36	0.4	0.4	0.55
M2.5	0.1	0.65	0.9	0.9	0.25	0.45	0.6	0.6	0.9	0.96
	0.2	0.4	0.5	0.5	0.45	0.6	0.65
	0.3	0.3	0.3	0.3	0.6	0.75	0.8
M3.0	0.1	0.9	1	1	0.85	1	1.3	1.1	1.6	1.8
	0.2	0.6	0.65	0.65	1	1.1	1.6
	0.3	0.4	0.45	0.45	1.25	1.35	1.85
M4.0	0.1	1.08	2.97	2.97	0.8	1.7	2.3	2.7	3.8	4.3
	0.2	1.12	2.4	2.4	1.3	2.6	3.5
	0.3	0.9	1.94	1.94	1.5	3	4.1
M5.0	0.1	2.26	4.85	4.85	1.6	3.4	4.6	5.5	7.8	8.8
	0.2	1.83	3.93	3.93	2.4	5.1	6.9
	0.3	1.49	3.19	3.19	2.8	6.1	8
M6.0	0.1	3.2	6.85	6.85	2.8	5.9	8	9.3	13	15
	0.2	2.59	5.54	5.54	4.1	8.8	11.8
	0.3	2.09	4.49	4.49	4.8	10.4	13.9
M8.0	0.1	5.86	12.6	12.6	6.8	14.5	19.3	23	32	37
	0.2	4.75	10.2	10.2	10.1	21.4	28.7
	0.3	3.85	8.85	8.85	11.9	25.5	33.9
M10.0	0.1	9.32	20	20	13.7	30	39.4	46	65	74
	0.2	7.58	16.2	16.2	20.3	44	58
	0.3	6.14	13.1	13.1	24	51	69
M12.0	0.1	13.6	29.1	29.1	23.6	50	67	80	110	130
	0.2	11.1	23.7	23.7	34.8	74	100
	0.3	9	19.2	19.2	41	88	117
M14.0	0.1	18.7	40	40	37.1	79	106	210	290	330
	0.2	15.2	32.6	32.6	56	119	159
	0.3	12.3	26.4	26.4	66	141	188
M.16.0	0.1	25.7	55	55	56	121	161
	0.2	20.9	44.9	44.9	86	183	245
	0.3	17	36.4	36.4	102	218	291
M18.0	0.1	32.2	69	69	81	174	232
	0.2	26.2	56.2	56.2	122	260	346
	0.3	21.1	45.5	45.5	144	380	411
M20.0	0.1	41.3	88.6	88.6	114	224	325
	0.2	33.8	72.4	72.4	173	370	494
	0.3	27.4	58.7	58.7	205	439	586
M22.0	0.1	50	107	107	148	318	424
	0.2	41	88	88	227	488	650
	0.3	34	72	72	272	582	776
M24.0	0.1	58	142	142	187	400	534
	0.2	47	101	101	284	608	810
	0.3	39	83	83	338	724	966
M27.0	0.1	75			275
	0.2	61			421
	0.3	50			503
M33.0	0.1	91			374
	0.2	75			571
	0.3	61			680
M36.0	0.1	114			506
	0.2	94			779
	0.3	76			929
M39.0	0.1	135			651
	0.2	110			998
	0.3	89			1189
	0.1	162			842
	0.2	133			1300
	0.3	108			1553

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不銹鋼緊固件預載和擰緊扭矩

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