Byrne -Anchor Chain, Stud-Link Chain Specs, Marine Anchor Chain

Chain Size

Link
Length
A

Link
Length
B

Length
Over 5
Links
C

Grip
Radius
D

Weight
per 15 -
Fathom
Shot
(approx.)

No. of
Links
per 15 -
Fathom
Shot

Grade 1

Grade 2

Grade 3

Inches

mm

Proof
Test

Break
Test

Proof
Test

Break
Test

Proof
Test

Break
Test

3/4 19 4-1/2 2-5/8 16-1/2 1/2 480 357 23800 34000 34000 47600 47600 68000

13/16 20 4-7/8 2-7/8 17-7/8 17/32 570 329 27800 39800 39800 55700 55700 79500

7/8 22 5-1/4 3-1/8 19-1/4 37/64 660 305 32200 46000 46000 64400 64400 91800

15/16 24 5-5/8 3-5/16 20-5/8 5/8 760 285 36800 52600 52600 73700 73700 105000

1 25 6 3-9/16 22 21/32 860 267 41800 59700 59700 83600 83600 119500

1-1/16 27 6-3/8 3-3/4 23-3/8 11/16 970 251 47000 67200 67200 94100 94100 135000

1-1/8 28 6-3/4 4 24-3/4 25/32 1080 237 52600 75000 75000 105000 105000 150000

1-13/16 30 7-1/8 4-1/4 26-1/8 25/32 1220 225 58400 83400 83400 116500 116500 167000

1-1/4 32 7-1/2 4-1/2 27-1/2 25/32 1350 213 64500 92200 92200 129000 129000 184000

1-5/16 33 7-7/8 4-3/4 28-7/8 7/8 1490 203 70900 101500 101500 142000 142000 203000

1-3/8 34 8-1/4 4-15/16 30-1/4 7/8 1630 195 77500 111000 111000 155000 155000 222000

1-7/16 36 8-5/8 5-3/16 31-5/8 15/16 1780 187 84500 120500 120500 169000 169000 241000

1-1/2 38 9 5-3/8 33 63/64 1940 179 91700 131000 131000 183500 183500 262000

1-9/16 40 9-3/8 5-5/8 34-3/8 1-1/32 2090 171 99200 142000 142000 198500 198500 284000

1-5/8 42 9-3/4 5-7/8 35-3/4 1-1/16 2240 165 108000 153000 153000 214000 214000 306000

1-11/16 43 10-1/8 6-1/16 37-1/8 1-3/32 2410 159 115000 166500 166500 229000 229000 327000

1-3/4 44 10-1/2 6-5/16 38-1/2 1-5/32 2590 153 123500 176000 176000 247000 247000 352000

1-13/16 46 10-7/8 6-1/2 39-7/8 1-3/16 2790 147 132000 188500 188500 264000 264000 377000

1-7/8 48 11-1/4 6-3/4 41-1/4 1-1/4 2980 143 140500 201000 201000 281000 281000 402000

1-15/16 50 11-5/8 7 42-5/8 1-9/32 3180 139 149500 214000 214000 299000 299000 427000

2 51 12 7-3/16 44 1-5/16 3360 133 159000 227000 227000 318000 318000 454000

2-1/16 52 12-3/8 7-7/16 45-3/8 1-3/8 3570 129 168500 241000 241000 337000 337000 482000

2-1/8 54 12-3/4 7-5/8 46-3/4 1-27/64 3790 125 178500 255000 255000 357000 357000 510000

2-3/16 56 13-1/8 7-7/8 48-1/8 1-15/32 4020 123 188500 269000 269000 377000 377000 538000

2-1/4 58 13-1/2 8-1/8 49-1/2 1-1/2 4250 119 198500 284000 284000 396000 396000 570000

2-5/16 59 13-7/8 8-5/16 50-7/8 1-17/32 4490 117 209000 299000 299000 418000 418000 598000

2-3/8 60 14-1/4 8-9/16 52-1/4 1-9/16 4730 113 212000 314000 314000 440000 440000 628000

2-7/16 62 14-5/8 8-3/4 53-5/8 1-5/8 4960 111 231000 330000 330000 462000 462000 660000

2-1/2 64 15 9 55 1-5/8 5270 107 242000 346000 346000 484000 484000 692000

2-9/16 66 15-3/8 9-1/4 56-3/8 1-11/16 5540 105 254000 363000 363000 507000 507000 726000

2-5/8 67 15-3/4 9-7/16 57-3/4 1-11/16 5820 103 265000 379000 379000 530000 530000 758000

2-11/16 68 16-1/8 9-11/16 59-1/8 1-3/4 6110 99 277000 396000 396000 554000 554000 792000

2-3/4 70 16-1/2 9-7/8 60-1/2 1-13/16 6410 97 289000 413000 413000 578000 578000 826000

2-13/16 71 16-7/8 10-1/8 61-7/8 1-27/32 6710 95 301000 431000 431000 603000 603000 861000

2-7/8 73 17-1/4 10-3/8 63-1/4 1-7/8 7020 93 314000 449000 449000 628000 628000 897000

2-15/16 75 17-5/8 10-9/16 64-5/8 1-7/8 7330 91 327000 467000 467000 654000 654000 934000

3 76 18 10-13/16 66 2 7650 89 340000 485000 485000 679000 679000 970000

3-1/16 78 18-3/8 11 67-3/8 2 7980 87 353000 504000 504000 705000 705000 1008000

3-1/8 79 18-3/4 11-1/4 68-3/4 2-1/16 8320 85 366000 523000 523000 732000 732000 1046000

3-3/16 81 19-1/8 11-1/2 70-1/8 2-1/16 8660 85 380000 542000 542000 759000 759000 1084000

3-1/4 83 19-1/2 11-11/16 71-1/2 2-1/8 9010 83 393000 562000 562000 787000 787000 1124000

3-5/16 84 19-7/8 11-15/16 72-7/8 2-1/8 9360 81 407000 582000 582000 814000 814000 1163000

3-3/8 86 20-1/4 12-1/8 74-1/4 2-3/16 9730 79 421000 602000 602000 843000 843000 1204000

3-7/16 87 20-5/8 12-3/8 75-5/8 2-3/16 10100 77 435000 622000 622000 871000 871000 1244000

3-1/2 90 21 12-5/8 77 2-5/16 10500 77 450000 643000 643000 900000 900000 1285000

3-5/8 92 21-3/4 12-15/16 79-3/4 2-5/16 11300 73 479000 685000 685000 958000 958000 1369000

3-3/4 95 22-1/2 13-3/8 82-1/2 2-15/32 12000 71 509000 728000 728000 1019000 1019000 1455000

3-7/8 98 23-1/4 14 85-1/4 2-15/32 12900 69 540000 772000 772000 1080000 1080000 1543000

4 102 24 14-3/8 88 2-5/8 13700 67 571000 816000 816000 1143000 1143000 1673200

Chain Size		Link Length A	Link Length B	Length Over 5 Links C	Grip Radius D	Weight per 15 - Fathom Shot (approx.)	No. of Links per 15 - Fathom Shot	Grade 1		Grade 2		Grade 3
Inches	mm	Link Length A	Link Length B	Length Over 5 Links C	Grip Radius D	Weight per 15 - Fathom Shot (approx.)	No. of Links per 15 - Fathom Shot	Proof Test	Break Test	Proof Test	Break Test	Proof Test	Break Test

3/4	19	4-1/2	2-5/8	16-1/2	1/2	480	357	23800	34000	34000	47600	47600	68000
13/16	20	4-7/8	2-7/8	17-7/8	17/32	570	329	27800	39800	39800	55700	55700	79500
7/8	22	5-1/4	3-1/8	19-1/4	37/64	660	305	32200	46000	46000	64400	64400	91800
15/16	24	5-5/8	3-5/16	20-5/8	5/8	760	285	36800	52600	52600	73700	73700	105000
1	25	6	3-9/16	22	21/32	860	267	41800	59700	59700	83600	83600	119500
1-1/16	27	6-3/8	3-3/4	23-3/8	11/16	970	251	47000	67200	67200	94100	94100	135000
1-1/8	28	6-3/4	4	24-3/4	25/32	1080	237	52600	75000	75000	105000	105000	150000
1-13/16	30	7-1/8	4-1/4	26-1/8	25/32	1220	225	58400	83400	83400	116500	116500	167000
1-1/4	32	7-1/2	4-1/2	27-1/2	25/32	1350	213	64500	92200	92200	129000	129000	184000
1-5/16	33	7-7/8	4-3/4	28-7/8	7/8	1490	203	70900	101500	101500	142000	142000	203000
1-3/8	34	8-1/4	4-15/16	30-1/4	7/8	1630	195	77500	111000	111000	155000	155000	222000
1-7/16	36	8-5/8	5-3/16	31-5/8	15/16	1780	187	84500	120500	120500	169000	169000	241000
1-1/2	38	9	5-3/8	33	63/64	1940	179	91700	131000	131000	183500	183500	262000
1-9/16	40	9-3/8	5-5/8	34-3/8	1-1/32	2090	171	99200	142000	142000	198500	198500	284000
1-5/8	42	9-3/4	5-7/8	35-3/4	1-1/16	2240	165	108000	153000	153000	214000	214000	306000
1-11/16	43	10-1/8	6-1/16	37-1/8	1-3/32	2410	159	115000	166500	166500	229000	229000	327000
1-3/4	44	10-1/2	6-5/16	38-1/2	1-5/32	2590	153	123500	176000	176000	247000	247000	352000
1-13/16	46	10-7/8	6-1/2	39-7/8	1-3/16	2790	147	132000	188500	188500	264000	264000	377000
1-7/8	48	11-1/4	6-3/4	41-1/4	1-1/4	2980	143	140500	201000	201000	281000	281000	402000
1-15/16	50	11-5/8	7	42-5/8	1-9/32	3180	139	149500	214000	214000	299000	299000	427000
2	51	12	7-3/16	44	1-5/16	3360	133	159000	227000	227000	318000	318000	454000
2-1/16	52	12-3/8	7-7/16	45-3/8	1-3/8	3570	129	168500	241000	241000	337000	337000	482000
2-1/8	54	12-3/4	7-5/8	46-3/4	1-27/64	3790	125	178500	255000	255000	357000	357000	510000
2-3/16	56	13-1/8	7-7/8	48-1/8	1-15/32	4020	123	188500	269000	269000	377000	377000	538000
2-1/4	58	13-1/2	8-1/8	49-1/2	1-1/2	4250	119	198500	284000	284000	396000	396000	570000
2-5/16	59	13-7/8	8-5/16	50-7/8	1-17/32	4490	117	209000	299000	299000	418000	418000	598000
2-3/8	60	14-1/4	8-9/16	52-1/4	1-9/16	4730	113	212000	314000	314000	440000	440000	628000
2-7/16	62	14-5/8	8-3/4	53-5/8	1-5/8	4960	111	231000	330000	330000	462000	462000	660000
2-1/2	64	15	9	55	1-5/8	5270	107	242000	346000	346000	484000	484000	692000
2-9/16	66	15-3/8	9-1/4	56-3/8	1-11/16	5540	105	254000	363000	363000	507000	507000	726000
2-5/8	67	15-3/4	9-7/16	57-3/4	1-11/16	5820	103	265000	379000	379000	530000	530000	758000
2-11/16	68	16-1/8	9-11/16	59-1/8	1-3/4	6110	99	277000	396000	396000	554000	554000	792000
2-3/4	70	16-1/2	9-7/8	60-1/2	1-13/16	6410	97	289000	413000	413000	578000	578000	826000
2-13/16	71	16-7/8	10-1/8	61-7/8	1-27/32	6710	95	301000	431000	431000	603000	603000	861000
2-7/8	73	17-1/4	10-3/8	63-1/4	1-7/8	7020	93	314000	449000	449000	628000	628000	897000
2-15/16	75	17-5/8	10-9/16	64-5/8	1-7/8	7330	91	327000	467000	467000	654000	654000	934000
3	76	18	10-13/16	66	2	7650	89	340000	485000	485000	679000	679000	970000
3-1/16	78	18-3/8	11	67-3/8	2	7980	87	353000	504000	504000	705000	705000	1008000
3-1/8	79	18-3/4	11-1/4	68-3/4	2-1/16	8320	85	366000	523000	523000	732000	732000	1046000
3-3/16	81	19-1/8	11-1/2	70-1/8	2-1/16	8660	85	380000	542000	542000	759000	759000	1084000
3-1/4	83	19-1/2	11-11/16	71-1/2	2-1/8	9010	83	393000	562000	562000	787000	787000	1124000
3-5/16	84	19-7/8	11-15/16	72-7/8	2-1/8	9360	81	407000	582000	582000	814000	814000	1163000
3-3/8	86	20-1/4	12-1/8	74-1/4	2-3/16	9730	79	421000	602000	602000	843000	843000	1204000
3-7/16	87	20-5/8	12-3/8	75-5/8	2-3/16	10100	77	435000	622000	622000	871000	871000	1244000
3-1/2	90	21	12-5/8	77	2-5/16	10500	77	450000	643000	643000	900000	900000	1285000
3-5/8	92	21-3/4	12-15/16	79-3/4	2-5/16	11300	73	479000	685000	685000	958000	958000	1369000
3-3/4	95	22-1/2	13-3/8	82-1/2	2-15/32	12000	71	509000	728000	728000	1019000	1019000	1455000
3-7/8	98	23-1/4	14	85-1/4	2-15/32	12900	69	540000	772000	772000	1080000	1080000	1543000
4	102	24	14-3/8	88	2-5/8	13700	67	571000	816000	816000	1143000	1143000	1673200