Specifications

grade 80 load chain
1.Material:(G80) 20Mn2
2.Finish: Polished, Blackened, Galvanized
3.Bending stress test avalible

grade 80 load chain

 

 

 

ITEM NO.		G8H0412	G8H0515	G8H0618	G8H0721	G8H0824	G8H0927	G8H1030
Dia.(mm)	NOMINAL	4	5	6	7	8	9	10
	Material diameter tolerance	+/-0.2	+/-0.2	+/-0.2	+/-0.3	+/-0.3	+-0.4	+/-0.4
Pitch(mm)	NOMINAL	12	15	18	21	24	27	30
	Tolerance	0.25	0.3	0.35	0.4	0.5	0.5	0.6
L(11xP)mm	NOMINAL	132	165	198	231	264	297	330
	Tolerance	0.6	0.8	1.0	1.1	1.3	1.4	1.6
External Width (w2) max. (mm)		13.6	17	20.4	23.8	27.2	30.6	34
Internal Width( W3) min. (mm)		4.8	6.0	7.2	8.4	9.6	10.8	12.0
Manufacturing Proof Force (MPF) min.	KN	12.6	29.6	28.3	38.5	50.3	63.6	78.5
Breaking Force(BF) min.	KN	20.1	31.4	45.2	61.6	80.4	102	126
Elongation	when breaking	>17%	>17%	>17%	>17%	>17%	>17%	>17%