John L. Robertson Pty. Ltd. - The chain lifting equipment specialists



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STUD LINK ANCHOR CHAIN & FITTINGS

sent pic to email & graph for below

Stud Link Anchor Chain

Kenter Shackle

Anchor Joining Shackle

Chain Joining Shackle

Swivel

A.1 - Connection of two chain-cables
A.2 - Standard length with joining shackle
A.3 - Standard length with joining shackle and anchor shackle
A.4 - End length with joining shackle, swivel and anchor shackle
A.5 - Forerunner with joining shackle, swivel and anchor shackle
B.1 - Connection of two chain-cables
B.2 - Standard length with lugless joining shackle
B.3 - Standard length with lugless joining shackles and ordinary anchor shackle
B.4 - End length with lugless joining shackle, swivel and ordinary anchor shackle
B.5 - Forerunner with lugless joining shackle, swivel and lugless anchor shackle
B.6 - Three links adaptor piece

Proof Load, Breaking Load & Weight of Anchor Chain Cable

Chain
Diameter

Length of five links

Normal Strength Grade 1

High Strength
Grade 2

Extra-high Strength
Grade 3

Mass
Kilograms per 27.5 meters

Proof
Load

Breaking Load

Proof
Load

Breaking Load

Proof
Load

Breaking Load

12.5

17.5

275

308

352

385

418

46.1

57.9

75.5

89.2

104.9

65.7

82.4

106.9

127.5

150.0

65.7

82.4

106.9

127.5

150.9

92.2

115.7

150.0

179.5

210.8

92.2

115.7

150.0

179.5

210.8

132.4

164.8

215.7

260.8

301.1

110

130

170

180

220

20.5

451

484

528

572

616

122.6

140.2

166.7

194.2

224.6

174.6

200.1

237.3

277.5

320.7

174.6

200.1

237.3

277.5

320.7

244.2

280.5

332.4

389.3

449.1

244.2

280.5

332.4

389.3

449.1

349.1

401.1

475.6

556.0

642.3

260

300

340

420

480

660

704

748

792

836

256.9

291.3

327.5

365.8

406.0

367.7

416.8

467.8

522.7

580.6

367.7

416.8

467.8

522.7

580.6

513.9

582.5

655.1

731.6

812.0

513.9

582.5

655.1

731.6

812.0

734.5

832.6

936.5

1049.3

1157.2

550

610

700

790

880

924

968

1012

1056

448.2

492.3

538.4

585.5

635.5

640.4

703.1

768.8

836.5

908.1

640.4

703.1

768.8

836.5

908.1

896.3

980.7

1078.7

1167.0

1274.9

896.3

980.7

1078.7

1167.0

1274.9

1284.7

1402.3

1539.6

1676.9

1814.2

970

1070

1170

1270

1380

1100

1144

1188

1232

1276

1320

1364

1408

1452

1496

686.5

739.4

794.3

851.2

909.1

968.9

1029.7

1098.3

1157.2

1225.8

980.7

1059.1

1137.6

1216.0

1294.5

1382.7

1471.0

1559.3

1657.3

1745.6

980.7

1059.1

1137.6

1216.0

1294.5

1382.7

1471.0

1559.3

1657.3

1745.6

1372.9

1480.8

1588.7

1706.4

1814.2

1914.7

2059.4

2186.9

2314.4

2451.7

1372.9

1480.8

1588.7

1706.4

1814.2

1914.7

2059.4

2186.9

2314.4

2451.7

1961.3

2108.4

2265.3

2432.0

2598.8

2765.5

2942.0

3128.3

3304.8

3501.0

1480

1600

1720

1850

1990

2120

2250

2440

2590

2750

1540

1606

1672

1716

1782

1294.5

1392.5

1500.4

1578.9

1686.7

1843.7

1990.7

2147.6

2255.5

2412.4

1843.7

1990.7

2147.6

2255.5

2412.4

2579.1

2794.9

3010.6

3157.7

3383.3

2579.1

2794.9

3010.6

3157.7

3383.3

3687.3

3991.3

4295.3

4501.3

4824.9

2910

3180

3470

3650

3930

1848

1914

1980

2024

2090

1804.4

1922.1

2049.6

2128.0

2255.5

2579.1

2745.9

2922.4

3040.1

3226.4

2579.1

2745.9

2922.4

3040.1

3226.4

3608.8

3854.0

4089.4

4256.1

4511.0

3608.8

3854.0

4089.4

4256.1

4511.0

5158.3

5501.5

5844.8

6080.1

6443.0

4250

4560

4860

5100

5400

100

102

105

2134

2156

2200

2244

2310

2343.8

2383.0

2471.3

2559.5

2696.8

3344.1

3402.9

3530.4

3657.9

3854.0

3344.1

3402.9

3530.4

3657.9

3854.0

4677.8

4766.0

4942.6

5119.1

5393.7

4677.8

4766.0

4942.6

5119.1

5393.7

6688.1

6851.6

7060.8

7315.8

7698.2

5670

5750

6010

6250

6600

107

108

111

114

117

2354

2376

2442

2508

2574

2785.1

2834.1

2971.4

3108.7

3255.8

3981.5

4040.3

4246.3

4442.4

4648.4

3981.5

4040.3

4246.3

4442.4

4648.4

5570.2

5658.4

5942.8

6227.2

6511.6

5570.2

5658.4

5942.8

6227.2

6511.6

7963.0

8090.4

8482.8

8894.6

9296.7

6820

6950

7290

7640

7980

120

122

124

127

130

2640

2684

2728

2794

2860

3402.9

3501.0

3599.0

3746.1

3903.0

4854.3

5001.4

5138.7

5354.4

5570.2

4854.3

5001.4

5138.7

5354.4

5570.2

6805.8

7001.9

7198.1

7492.3

7796.3

6805.8

7001.9

7198.1

7492.3

7796.3

9718.4

9993.0

10277.4

10708.9

11140.4

8310

8620

8920

9380

9840

132

137

142

147

152

2904

3014

3124

3234

3344

4001.1

4256.1

4520.9

4785.6

5050.4

5717.3

6080.1

6452.8

6835.2

7217.7

5717.3

6080.1

6452.8

6835.2

7217.7

802.2

8512.2

9031.9

9561.5

10100.8

802.2

8512.2

9031.9

9561.5

10100.8

11424.7

12160.2

12905.6

13660.7

14425.6

10140

10910

11670

12440

13200

157

162

3454

3564

5325.0

5599.6

7600.2

8002.2

7600.2

8002.2

10640.2

11199.2

10640.2

11199.2

15200.3

15994.6

14000

14700

GENERAL INFORMATION

		The inside length (grip or pitch) of one link is 4 wire diameters.
		The outside length of one link is 6 wire diameters.
		The outside width of one link is 3.56 wire diameters.
		The gauge-test length is the outside length over 6 links and equals 26 wire diameters.
		The weight of one links is about 3-1/3 times its wire diameter cubed.
		Doubling the wire diameter of one link multiplies its weight by 8.
		The weight of 1 linear foot of chain is 10 times its wire diameter squared.
		The length of a standard "shot" = 15 fathoms = 90ft.= 1080".
		The weight of a 90ft. shot = 900 times its wire diameter squared.
		Doubling the wire diameter of a 90ft. shot multiplies its weight by 4.
		Doubling the size of chain theoretically multiplies its strength by 4, in practice, by a trifle less than 4.
		The safe working load of chain is ordinarily assumed as one half the proof test.

CONVERSION

		1 lbs = 0.454 kg.
		1 ton (long) = 1016 kg.
		1 N = 0.98 kg.
		1 foot = 304.8 mm

		1 cwt = 50.8 kg.
		1 KN = 98 kg.
		1 inch = 25.4 mm
		1 fathom = 1.828 m

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