OS-1  ¢ºKorea Standard   ¢ºWelded Link Chain OS-2  ¢ºJis Standard   ¢ºSteel Link Chain OS-3  ¢ºOrdinary Mild Steel   ¢ºShort Link Chain OS-4  ¢ºDIN 763   ¢ºSteel Link Chain OS-5  ¢ºDIN 766   ¢ºSteel Link Chain OS-6  ¢ºDIN 5685   ¢ºShort / Long Steel Link Chain OS-7  ¢ºNACM 90(U,S,A)¢ºMachine Straight Chain OS-8  ¢ºNACM 90(U,S,A)   ¢ºCoil Straight Link Chain OS-9  ¢ºNACM 90(U,S,A)   ¢ºPassing Link Chain OS-10 ¢ºNACM 96 (G30)(U,S,A)¢ºStandard Chain OS-11 ¢ºNACM 80 (G30)(U,S,A) ¢ºStandard Chain OS-12 ¢ºNACM84/90(G30)(U,S,A)¢ºStandard Chain

OS-1 ¢º Korean Standard¢º Welded Link Chain
D		item No.	Material Diameter	P	I , W	Length Per PC	Weight Per PC
mm			mm	mm	mm	M	KG
Short Link	3	CKS030	3.0	23.0	5.3	30	4.50
	4	CKS040	4.0	22.0	7.5	30	9.00
	5	CKS050	4.8	23.7	8.3	30	12.74
	6	CKS060	5.8	27.3	10.0	30	18.86
	7	CKS070	7.0	31.0	12.0	15	14.14
	8	CKS080	7.8	35.0	13.7	15	17.23
	9	CKS090	8.8	39.0	15.2	15	22.13
	12	CKS120	12.0	38.0	18.0	15	45.00
	15	CKS150	15.0	45.0	23.0	15	75.45
	16	CKS160	16.0	53.0	23.0	15	76.41
	19	CKS190	19.0	58.0	25.0	10	78.28
Long Link	4	CKL040	3.9	34.3	6.2	30	7.26
	4.5	CKL045	4.5	44.4	9.2	30	9.46
	5	CKL050	4.8	45.0	11.0	30	11.31
	6	CKL060	6.0	47.0	12.0	30	18.00
	7	CKL070	6.8	50.0	11.4	15	11.19
	12	CKL120	12.0	50.0	18.0	15	42.00
	15	CKL150	14.8	64.0	23.0	15	61.44
	19	CKL190	19.0	75.0	25.0	10	71.00

OS-2 ¢º Jis Standard ¢ºSteel Link Chain
Dia mm	Type	Item No	P	O,W	S.W.L	Weight
			mm	mm	Ton	1m / kg
6	S	JKS006	24	21	0.27	0.71
8	S	JKS008	32	28	0.48	1.25
9	S	JKS009	27	32	0.61	1.58
	L	JKL009	36
11	S	JKS011	33	39	0.91	2.36
	L	JKL011	44
13	S	JKS013	39	46	1.27	3.30
	L	JKL013	52
16	S	JKS016	48	56	1.92	5.00
	L	JKL016	64
19	S	JKS019	57	67	2.72	7.04
	L	JKL019	76
22	S	JKS022	66	77	3.64	9.44
	L	JKL022	88
25	S	JKS025	75	88	4.70	.
	L	JKL025	100			12.09
28	S	JKS028	84	98	5.90	15.29
	L	JKL028	112
30	S	JKS030	90	105	6.77	17.55
	L	JKL030	120
32	S	JKS032	96	112	7.70	19.97
	L	JKL032	128
34	S	JKS034	102	119	8.69	22.55
	L	JKL034	136
36	S	JKS036	108	126	9.74	25.28
	L	JKL036	144
38	S	JKS038	114	133	10.86	28.16
	L	JKL038	152
40	S	JKS040	120	140	12.03	31.20
	L	JKL040	160
42	S	JKS042	126	147	13.26	34.40
	L	JKL042	168
44	S	JKS044	132	154	14.56	37.76
	L	JKL044	176
46	S	JKS046	138	161	15.91	41.27
	L	JKL046	184
48	S	JKS048	144	168	17.33	44.93
	L	JKL048	192
50	S	JKS050	150	175	18.80	48.75
	L	JKL050	200

OS-3 ¢º Ordinary Mild Steel Link Chain ¢º Short Link Chain
Link Specification				Proof Load	Breaking Load	Weight Per 200FT(KG)
D		P	O , W
mm	IN	mm	mm	KG	KG	B.F.	H.D.G.
3.2	1/8	16	12	200	400	11.40	11.74
4.0	5/32	18.5	14.5	300	600	18.60	19.00
4.7	3/16	19	17	400	800	26.20	27.00
5.5	7/32	20	19	550	1100	36.80	38.00
6.35	1/4	22	21	750	1500	50.00	51.50
7.94	5/16	26	26	1200	2400	80.00	82.40
9.5	3/8	28	32	1700	3400	122.00	125.70
11.11	7/16	33	36	2300	4600	164.00	169.00
12.7	1/2	39	43	3000	6000	210.00	216.00
15.8	5/8	45	53	4700	9400	334.00	344.00
19	3/4	55	63	6800	13600	485.00	499.00
22.2	7/8	64	74	9250	18500	656.00	675.00
25.4	1	73	84	12150	24300	870.00	896.00

OS-4 ¢º DIN763 ¢º Steel Link Chain
D		P		O , W		Working Load	Proof Load	Breaking Load	Weight Per M
mm	mm	mm	mm	mm	mm	KG	KN	KN	KG
3	0.5	26	1.2	12	0.6	55	1050	3200	0.15
4		32	1.5	16	0.8	100	2000	6000	0.27
5		35	1.8	20	1.0	160	3150	10000	0.43
6		42	2	24	1.2	224	4500	14000	0.63
7		49	2.5	28	1.4	300	6000	18000	1.63
8		52	2.5	32	1.6	400	8000	25000	2.63
9		59	3	36	1.8	530	10500	32000	3.63
10	1	65	3.2	40	2.0	630	12500	40000	1.75
11		72	3.4	44	2.0	790	15800	47500	2.11
12		78	3.6	48	2.3	940	18800	56500	2.55
13		82	4	52	2.5	1000	21200	63000	2.95
16		100	5	64	3.2	1600	33000	100000	4.45
18		113	5.2	70	3.2	2120	42300	127000	5.65
19		119	5.6	72	3.4	2370	47300	142000	6.25
20		120	6	75	3.8	2500	50000	160000	7.0
22		127	6	82	4.0	3170	63300	190000	8.55
25		140	6.6	88	4.2	4090	81700	245000	10.90

OS-5 ¢º DIN766 ¢º Steel Link Chain
D		P			I , W	O , W	Length Per 11 Links			Weight Per M
mm	mm	mm	+mm	-mm	mm	mm	mm	+mm	-mm	KG
3	0.2	16	0.2	0.2	4.2	11	176	1.4	0.7	0.16
4	0.2	16	0.3	0.2	5	13.7	176	2.1	1.1	0.32
5	0.2	18.5	0.4	0.2	6	17	203.5	2.4	1.2	0.5
6	0.2	18.5	0.4	0.2	7.2	20.2	203.5	2.4	1.2	0.5
7	0.3	22	0.4	0.2	8.4	23.8	242	3	1.4	1.1
8	0.3	24	0.4	0.2	9.6	27.2	264	3.2	1.5	1.4
9	0.4	27	0.5	0.3	10.8	30.6	297	3.6	1.8	1.8
10	0.4	28	0.5	0.3	12	34	308	3.7	1.9	2.2
11	0.4	31	0.5	0.3	13.2	37.4	341	4	2	2.7
12	0.5	36	0.6	0.3	14.4	40.8	396	4.4	2.2	3.10
13	0.5	36	0.6	0.3	15.6	44.2	396	4.6	2.4	3.8
14	0.6	41	0.7	1.4	16.8	47.6	451	5.4	2.7	4.4
16	0.6	45	0.8	0.4	192	54.4	495	6	3	5.7
18	0.9	50	0.8	0.4	21.6	61.2	550	6.6	3.3	7.3
19	0.9	53	0.9	0.4	22.8	64.6	583	7.0	3.7	7.97
20	1	56	1	0.5	24	68	616	7.4	3.7	9
23	1.2	64	1.1	0.5	27.6	78.2	704	8.4	4.2	12
26	1.3	73	1.2	0.6	31.2	88.4	8.3	9.6	4.8	15

OS-6 ¢ºDIN 5685 ¢º Short / Long Steel Link Chain
D	Working Load	Breaking Load	P	I , W	Weight Per 100M	ºñ°í
mm	KN	KN	mm	mm	KG
3	1120	2800	16	12	16.5	short
			26		15	long
4	2000	5000	19	16	30	short
			32		27	long
5	3150	7750	21	20	50	short
			35		43	long
6	4500	11500	24	24	73	short
			42		63	long
7	6000	15000	28	28	100	short
			49		86	long
8	8000	20000	32	32	130	short
			52		100	long
9	1000	25000	36	36	165	short
			59		141	long
10	12500	31000	40	40	205	short
			65		175	long
11	15000	38000	44	44	250	short
			72		211	long
12	18000	45000	48	48	290	short
			78		255	long
13	21200	53000	52	52	345	short
			82		295	long

OS-7 ¢ºNACM90 ¢º Machine Straight Link Chain
D	Material Diameter		Working Load		Proof Load		Breaking Load		P		I , W
mm	mm	IN	KG	LBS	KN	LBS	KN	LBS	mm	IN	mm	IN
3.0	3	0.120	98	215	1.91	430	3.82	860	14.0	0.55	5.3	0.21
3.4	3.0	0.135	122	270	2.40	540	4.80	1080	15.0	0.59	6.1	0.24
3.8	3.8	0.148	147	325	2.89	650	5.78	1300	15.5	0.61	6.6	0.26
4.1	4.1	0.162	177	390	3.47	780	6.93	1560	16.0	0.63	7.1	0.28
4.5	4.5	0.177	211	465	4.14	930	8.27	1860	18.8	0.74	7.9	0.31
4.9	4.9	0.192	247	545	4.85	1090	9.69	2180	19.8	0.78	8.6	0.34
5.3	5.3	0.207	288	635	5.65	1270	11.29	2540	21.6	0.85	9.1	0.36
5.5	5.5	0.218	318	700	6.23	1400	12.44	2800	25.1	0.99	9.6	0.38
6.4	6.4	0.250	420	925	8.23	1850	16.44	3700	27.2	1.07	11.20	0.44

OS-8 ¢ºNACM90 ¢º Coil Straight Link Chain
D	Material Diameter		Working Load		Proof Load		Breaking Load		P		I , W
mm	mm	IN	KG	LBS	KN	LBS	KN	LBS	mm	IN	mm	IN
3.0	3	0.120	93	205	1.82	410	3.64	820	28.1	1.11	5.32	0.21
3.4	3.4	0.135	116	255	2.27	510	4.53	1020	29.8	1.17	6.09	0.24
3.8	3.8	0.148	141	310	2.76	620	5.51	1240	29.9	1.18	6.59	0.26
4.1	4.1	0.162	168	370	3.29	740	6.58	1480	31.7	1.25	7.1	0.28
4.5	4.5	0.177	200	440	3.91	880	7.82	1760	31.7	1.25	7.86	0.31
4.9	4.9	0.192	236	520	4.63	1040	9.24	2080	31.9	1.26	8.62	0.34
5.3	5.3	0.207	274	605	5.38	1210	10.76	2420	32.9	1.30	9.13	0.36
5.5	5.5	0.218	304	670	5.96	1340	11.91	2680	35.2	1.39	9.64	0.38
6.4	6.4	0.250	400	880	7.83	1760	15.64	3520	38.5	1.52	11.20	0.44

OS-9 ¢ºNACM90 ¢º Passing Link Chain
D	Material Diameter		Working Load		Proof Load		Breaking Load		P		I , W
mm	mm	IN	KG	LBS	KN	LBS	KN	LBS	mm	IN	mm	IN
4.9	4.9	0.192	204	450	4	900	8.01	1800	22.2	0.875	11.9	0.47
5.5	5.5	0.218	272	600	5.34	1200	10.68	2400	22.2	0.875	12.7	0.50

OS-10 ¢º NACM96 (G30)¢º Standard Link Chain -Proof Coil Chain
D		Material Diameter		Working Load		Proof Load		Breaking Load		P		I , W
mm	IN	mm	IN	KG	LBS	KN	LBS	KN	LBS	mm	IN	mm	IN
4	1/8	4.0	0.156	180	400	3.8	800	7.2	1600	23.9	0.94	6.4	0.25
5.5	3/16	5.5	0.217	365	800	7.2	1500	14.4	3200	24.8	0.98	7.7	0.30
7	1/4	7.0	0.276	580	1300	11.6	2600	23.2	5200	31.5	1.24	9.8	0.38
8	5/16	8.4	0.331	860	1900	16.9	3800	33.8	7600	32.8	1.29	11.2	0.44
10	3/8	10.0	0.394	1200	2650	23.5	5300	47.2	10600	35.0	1.38	14.0	0.55
12	7/16	11.9	0.488	1680	3700	32.9	7400	65.8	14800	41.5	1.64	16.6	0.65
13	1/2	13.0	0.512	2030	4500	40.0	9000	80.0	18000	45.5	1.79	18.2	0.72
16	5/8	16.0	0.630	3130	6900	61.3	13800	122.8	27600	56.0	2.20	20.0	0.79
20	3/4	20.0	0.787	4800	10600	94.3	21200	188.6	42400	70.0	2.78	25.0	0.98
22	7/8	22.0	0.866	5810	12800	114.1	25600	228.2	51200	77.0	3.03	27.5	1.08
25	1	26.0	1.020	8140	17900	159.1	35800	318.2	71600	90.9	3.58	31.7	1.25

OS-11 ¢º ASTM80 (G30)(U,S,A) ¢ºStandard Chain -Proof Coil
D		Material Diameter		Working Load		Proof Load		Breaking Load		Lenght Per 100 Links		Weight Per 100 Feet
mm	IN	IN	mm	LBS	KG	LBS	KN	LBS	KN	IN	M	LBS	KG
5.5	3/16	0.218	5.5	750	340	1500	6.7	3000	13.3	99	2.51	42	19
7	1/4	0.281	7.1	1250	570	2500	11.1	5000	22.2	104	2.64	76	34
8	5/16	0.343	8.7	1900	860	3800	16.9	7600	33.8	114	2.89	115	52
10	3/8	0.406	10.3	2650	1200	5300	23.6	10600	47.2	128	3.25	166	75
12	7/16	0.468	11.9	3500	1590	7000	31.1	14000	62.3	142	3.60	225	102
13	1/2	0.531	13.5	4500	2040	9000	40.0	18000	80.1	156	3.96	289	131
16	5/8	0.656	16.7	6900	3130	13800	61.4	27600	122.8	194	4.92	425	193
20	3/4	0.781	19.8	9750	4420	19500	86.7	39000	173.5	220	5.59	612	278

OS-12 ¢º NACM 84/90(G30)(U,S,A) ¢º Standard Chain -Proof Coil
D		Material Diameter		Working Load		Proof Load		Breaking Load		P		I , W
mm	IN	mm	IN	KG	LBS	KN	LBS	KN	LBS	mm	IN	mm	IN
4	1/8	4.0	0.156	170	375	3.6	800	7.1	1600	23.9	0.94	6.4	0.25
5.5	3/16	5.5	0.217	365	800	7.2	1600	14.3	3200	24.8	0.98	7.7	0.30
7	1/4	7.0	0.276	580	1300	11.6	2600	23.1	5200	31.5	1.24	9.8	0.38
8	5/16	8.0	0.315	860	1900	15.1	3400	30.2	6800	32.8	1.29	11.2	0.44
10	3/8	10.0	0.394	1200	2650	23.6	5300	47.1	10600	35.0	1.38	14.0	0.55
13	1/2	13.0	0.512	2030	4500	39.8	8950	79.6	17900	45.5	1.79	18.2	0.72
16	5/8	16.0	0.630	3130	6900	60.3	13600	120.6	27200	56.0	2.20	20.0	0.79
20	3/4	20.0	0.787	4800	10600	94.3	21200	188.5	42400	70.0	2.76	25.0	0.98
22	7/8	22.0	0.866	5810	12800	114.1	25600	228.1	51200	77.0	3.03	27.5	1.08
25	1"	26.0	1.020	8140	17900	159.1	35800	318.2	71600	90.9	3.58	31.7	1.25