AMERICAN STANDARD OPEN LINK CHAIN

Standard: ASTM80, NACM90, NACM96;
Material: alloy steel, carbon steel, SS316, SS316L;
Finishing: self-colored, black, hot dip galvanized;
Certificate: 3rd party inspection certificate, such as ABS, BV, LR, NK, KR, CCS;
The sample is available, please contact our sales engineer for details.

For more open link chains for industrial or marine purpose and chain fittings, please view our website.

ASTM80

Diameter Dø		Working Load Limit(max)		ProofLoad(min)		Min.Breaking Load		Weight Perl00′		Inside Iength(max)		Inside Width (min)
inch	mm	kg	lbs	kN	lbs	kN	lbs	kg	lbs	mm	inch	mm	inch
1/8”	4	190	420	3.78	850	7.56	1,700	8.8	19	22.6	0.89	7.4	0.29
3/16”	5.5	360	800	7.11	1,600	14.2	3,200	18.3	40	24.1	0.95	10.2	0.4
1/4”	7.1	600	1,330	11.8	2,650	23.6	5,300	32.7	72	25.4	1	12.7	0.5
5/16”	8.7	910	2,000	17.8	4,000	35.6	8,000	48	106	27.9	1.1	12.7	0.5
3/8”	10.3	1,270	2,800	24.9	5,600	49.8	11,200	70.3	155	31.2	1.23	15.7	0.62
1/2”	13.5	2,190	4,800	42.9	9,650	85.8	19,300	123	271	38.9	1.53	20.3	0.8
5/8”	16.7	3,350	7,400	65.8	14,800	131.6	29,600	184	405	48.3	1.9	25.4	1
3/4”	19.8	4,700	10,400	92.5	20,800	185	41,600	264	582	54.6	2.15	28.4	1.12
7/8”	23	6,350	14,000	124.5	28,000	249	56,000	368	811	63.5	2.5	34.8	1.37
1”	26.5	8,400	18,600	165.4	37,200	330.8	74,400	474	1045	69.9	2.75	38.1	1.5

ASTM80 G30- PROOF COIL CHAIN

Diameter DØ		Working Load Limit(max)		ProofLoad(min)		Min. Breaking Load		Weight Per l00’		Inside Length (max)		Inside Width (min)
inch	mm	kg	lbs	kN	lbs	kN	lbs	kg	lbs	mm	inch	mm	inch
1/4”	7.1	1,180	2,600	19.1	4,300	34.5	7,750	36.3	80	21.8	0.86	10.2	0.4
5/16”	8.7	1,770	3,900	28.4	6,400	51.6	11,600	50.4	111	26.7	1.05	12.2	0.48
3/8”	10.3	2,450	5,400	39.6	8,900	72	16,200	72.6	160	30.3	1.19	14.7	0.58
1/2”	13.5	4,170	9,200	68	15,300	122.7	27,600	128.6	284	36	1.43	19.1	0.75

ASTM80 G43 – HIGH TEST CHAIN

Diameter DØ		Working Load Limit(max)		ProofLoad(min)		Min. Breaking Load		Weight Per l00′		Inside Length(max)		Inside Width(min)
inch	mm	kg	lbs	kN	lbs	kN	lbs	kg	lbs	mm	inch	mm	inch
1/4”	7.1	1,430	3,150	27.8	6,300	56	12,600	34	75	21.8	0.86	11.4	0.45
5/16”	8.7	2,130	4,700	41.8	9,400	83.6	18,800	50.4	111	25.6	1.01	11.7	0.46
3/8”	10.3	2,990	6,600	58.7	13.20C	117.4	26,400	71	156	30.2	1.19	14	0.55

ASTM80 G70 – TRANSPORTATION CHAIN

Diameter DØ		Working Load Limit(max)		Proof Load(min)		Min. Breaking Load		Weight Per l00′		Inside length (max)		Inside Width (min)
inch	mm	kg	lbs	kN	lbs	kn	lbs	kg	lbs	mm	inch	mm	inch
1/8”	4	170	375	3.6	800	7.1	16,000	9	19.8	23.9	0.94	6.4	0.25
3/16”	5.5	365	800	7.2	1,600	14.3	3, 200	18.3	40.3	24.8	0.98	7.7	0.3
1/4”	7	580	1,300	11.6	2,600	23.1	5,200	30	66.1	31.5	1.24	9.8	0.38
5/16”	8	860	1,900	15.1	3,400	30.2	6,800	39	86	32.8	1.29	11.2	0.44
3/8”	10	1,200	2,650	23.6	5,300	47.1	10,600	64.5	142	35	1.38	14	0.55
1/2”	13	2,030	4,500	39.8	8,950	79.6	17,900	110	242	45.5	1.79	18.2	0.72
5/8”	16	3,130	6,900	60.3	13,600	120.6	27,200	162	357	56	2.2	20	0.79
3/4”	20	4,800	10,600	94.3	21,200	188.5	42,400	254	560	70	2.76	25	0.98
7/8”	22	5,810	12,800	114.1	25,600	228.1	51,200	306	675	77	3.03	27.5	1.03
1”	26	8,140	17,900	159.1	35,800	318.2	71,600	419	924	90.9	3.58	31.7	1.25

NACM90 G30- PROOF COIL CHAIN

Diameter DØ		Working Load Limit(max)		Proof Load(min)		Min. Breaking Load		Inside Iength(max)		Inside Width(min)
inch	mm	kg	lbs	kN	lbs	kn	lbs	kg	lbs	mm	inch
1/4”	7	1180	2600	16.6	3750	33.1	7500	31.5	1.24	9.8	0.38
5/16”	8	1770	3900	21.6	4900	43.2	9700	32.8	1.29	11.2	0.44
3/8”	10	2450	5400	33.8	7600	67.6	15200	35.0	1.38	14.0	0.55
1/2”	13	4170	9200	57.1	12900	114.2	25700	45.5	1.79	18.2	0.72
5/8”	16.0	5220	11500	86.5	19500	172.9	38900	56.0	2.20	20.0	0.79
3/4”	20.0	7350	16200	130.1	30400	270.2	60700	70.0	2.76	25.0	0.98

NACM90 G43- HIGH TEST CHAIN

Diameter DØ		Working Load Limit(max)		Proof Load(min)		Min. Breaking Load		Inside Iength(max)		Inside Width(min)
mm	in	mm	in	kg	lbs	kN	lbs	kN	lbs	mm	in
7	1/4”	1430	3150	27	6100	53.9	12100	31.5	1.24	9.8	0.38
8.7	5/16”	2130	4700	41.6	9400	83.5	18800	33.5	1.32	12.2	0.48
10	3/8”	2990	6600	55	12400	110	24700	35	1.38	14	0.55
11.9	7/16”	3970	8750	77.7	17500	155.4	35000	41.6	1.64	16.6	0.65
13	1/2”	5130	11300	92.9	20900	185.8	41800	45.5	1.79	18.2	0.72
16	5/8”	7170	15800	140.4	31600	280.8	63200	56	2.2	20	0.79
20	3/4”	11200	24700	219.6	49500	439.8	98900	70	2.76	25	0.98

NACM90 G70 – TRANSPORTATION CHAIN

Diameter DØ		WORKING LOADLIMIT		PROOF TEST(MIN)		BREAKING FORCE MIN		INSIDE LENGTH		INSIDE WIDTH
mm	in	kg	lbs	kN	lbs	kN	lbs	mm	in	mm	in
4	1/8”	180	400	3.6	800	7.2	1600	23.9	0.94	6.4	0.25
5.5	3/16”	365	800	7.2	1500	14.4	3200	24.8	0.98	7.7	0.3
7	1/4”	580	1300	11.6	2600	23.2	5200	31.5	1.24	9.8	0.38
8	5/16”	860	1900	16.9	3800	33.8	7600	32.8	1.29	11.2	0.44
10	3/8”	1200	2650	23.5	5300	47.2	10600	35	1.38	14	0.55
11.9	7/16”	1680	3700	32.9	7400	65.8	14800	41.5	1.64	16.6	0.65
13	1/2”	2030	4500	40	9000	80	18000	45.5	1.79	18.2	0.72
16	5/8”	3130	6900	61.3	13800	122.8	27600	56	2.2	20	0.79
20	3/4”	4800	10600	94.3	21200	188.6	42400	70	2.78	25	0.98
22	7/8”	5810	12800	114.1	25600	228.2	51200	77	3.03	27.5	1.08
26	1”	8140	17900	159.1	35800	318.2	71600	90.9	3.58	31.7	1.25

NACM96 G30- PROOF COIL CHAIN

Diameter DØ		WORKING LOAD LIMIT		PROOF TEST(MIN)		BREAKING FORCE MIN		INSIDE LENGTH		INSIDE WIDTH
mm	in	kN	lbs	kN	lbs	mm	in	mm	in	mm	in
7.0	1/4	1180	2800	17.3	3900	34.6	7800	31.5	1.24	9.8	0.38
8.7	5/16	1770	3900	26.0	5850	52.0	11700	32.8	1.29	11.2	0.44
10.0	3/8	2450	5400	36.0	8100	72.0	16200	35.0	1.38	14.0	0.55
11.9	7/16	3270	7200	48.0	10800	96.0	21600	41.6	1.64	16.6	0.65
13.0	1/2	4170	9200	61.3	13800	122.6	27600	45.5	1.79	18.2	0.72
16.0	5/8	5910	13000	86.5	19500	173.0	39000	56.0	2.20	20.0	0.79
20.0	3/4	9180	20200	134.7	30300	269.4	60600	70.0	2.76	25.0	0.98
22.0	7/8	11140	24500	163.3	36750	326.4	73500	77.0	3.03	27.5	1.08

NACM96 G43- TRANSPORTATION CHAIN

Diameter DØ		WORKING LOADLIMIT		PROOF TEST(MIN)		BREAKING FORCE MIN		INSIDE LENGTH		INSIDE WIDTH
mm	in	kN	lbs	kN	lbs	mm	in	mm	in	mm	in
7.0	1/4	1430	3150	28	6300	56	12600	31.8	1.24	9.8	0.38
8.7	5/16	2130	4700	41.8	9400	83.6	18800	32.8	1.29	11.2	0.44
10.0	3/8	2990	6600	58.7	13200	117.4	26400	35	1.38	14	0.55
13.0	1/2	5130	11300	100.4	22600	200.8	45200	45.5	1.79	18.2	0.72
16.0	5/8	7170	15800	140.4	31600	280.8	63200	56	2.2	20	0.79
20.0	3/4	11200	24700	219.6	49400	439.2	98800	70	2.76	25	0.98