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鏈號(hào) Chain No.	內(nèi)節(jié)內(nèi)寬 Width between inner plates	銷軸直徑 Pin diameter	銷軸長(zhǎng)度 Pin length	內(nèi)鏈板高度 Lnner plate depth	鏈板厚度 Plate thick -ness	極限拉伸載荷 Ultimate tensile strength	平均拉伸載荷 Average tensile strength
	b1 min	d2 max	Lc max	h2 max	T max	Q min	Q0
	mm	mm	mm	mm	mm	kN/LB	kN
M20	15.0	6.0	35.0	19.0	2.05	20.0/4545	25.0
M28	17.0	7.0	40.0	21.0	3.0	28.0/6364	35.0
M40	19.0	8.5	45.0	26.0	3.5	40.0/9091	50.0
M56	23.0	10.0	52.0	31.0	4.0	56.0/12727	70.0
M80	27.0	12.0	62.0	41.0	5.0	80.0/1812	100.0
M112	31.0	15.0	73.0	51.0	6.0	112.0/25454	140.0
M160	36.0	18.0	85.0	62.0	7.0	160.0/36364	200.0
M224	42.0	21.0	98.0	72.0	8.0	224.0/50909	280.0
M315	47.0	25.0	112.0	82.0	10.0	315.0/71591	393.7
M450	55.0	30.0	135.0	103.0	12.0	450.0/102272	562.5