Ship chain Grade 3

for boatanchorstud link

Anchor Chain Grade 3 is a marine-grade stud link anchor chain designed for ships, boats and vessels, manufactured by Wuhan Jiangnan Anchor Chain Co., LTD (JNAC). It is produced from high-strength steels with flash butt welding and is available in a wide range of diameters and surface finishes suitable for marine use.

Key product information

• Material: CM490, CM690
• Technology: Flash Butt Welding
• Use: Marine hardware fittings for ship, boat and vessel
• Size range: ø16 mm – ø72 mm
• Surface finishes: Black bituminous painting, HDG (hot-dip galvanised), or no painting
• Chain composition: Common link, Enlarge link, End link
• Accessories: Kenter shackle, Anchor shackle (End shackle, D shackle), Swivel
• Payment terms: T/T; L/C at sight
• Delivery time: 7–35 days after order confirmed
• Port of shipment: Wuhan / Shanghai, China

Chain load & weight (M2 & M3) — Proof Load (kN), Break Load (kN), Weight per 27.5 m (kg)

• 16 mm — Proof Load II: 107 kN; Proof Load III: 150 kN; Break Load II: 150 kN; Break Load III: 216 kN; Weight (27.5 m): 160 kg
• 17.5 mm — Proof Load II: 127 kN; Proof Load III: 179 kN; Break Load II: 179 kN; Break Load III: 256 kN; Weight (27.5 m): 190 kg
• 19 mm — Proof Load II: 150 kN; Proof Load III: 211 kN; Break Load II: 211 kN; Break Load III: 301 kN; Weight (27.5 m): 230 kg
• 20.5 mm — Proof Load II: 175 kN; Proof Load III: 244 kN; Break Load II: 244 kN; Break Load III: 349 kN; Weight (27.5 m): 265 kg
• 22 mm — Proof Load II: 200 kN; Proof Load III: 280 kN; Break Load II: 280 kN; Break Load III: 401 kN; Weight (27.5 m): 300 kg
• 24 mm — Proof Load II: 237 kN; Proof Load III: 332 kN; Break Load II: 332 kN; Break Load III: 476 kN; Weight (27.5 m): 365 kg
• 26 mm — Proof Load II: 278 kN; Proof Load III: 389 kN; Break Load II: 389 kN; Break Load III: 556 kN; Weight (27.5 m): 420 kg
• 28 mm — Proof Load II: 321 kN; Proof Load III: 449 kN; Break Load II: 449 kN; Break Load III: 642 kN; Weight (27.5 m): 490 kg
• 30 mm — Proof Load II: 368 kN; Proof Load III: 514 kN; Break Load II: 514 kN; Break Load III: 735 kN; Weight (27.5 m): 565 kg
• 32 mm — Proof Load II: 417 kN; Proof Load III: 583 kN; Break Load II: 583 kN; Break Load III: 833 kN; Weight (27.5 m): 635 kg
• 34 mm — Proof Load II: 468 kN; Proof Load III: 655 kN; Break Load II: 655 kN; Break Load III: 937 kN; Weight (27.5 m): 720 kg
• 36 mm — Proof Load II: 523 kN; Proof Load III: 732 kN; Break Load II: 732 kN; Break Load III: 1050 kN; Weight (27.5 m): 800 kg
• 38 mm — Proof Load II: 581 kN; Proof Load III: 812 kN; Break Load II: 812 kN; Break Load III: 1160 kN; Weight (27.5 m): 879 kg
• 40 mm — Proof Load II: 640 kN; Proof Load III: 895 kN; Break Load II: 895 kN; Break Load III: 1280 kN; Weight (27.5 m): 980 kg
• 42 mm — Proof Load II: 703 kN; Proof Load III: 981 kN; Break Load II: 981 kN; Break Load III: 1400 kN; Weight (27.5 m): 1082 kg
• 44 mm — Proof Load II: 769 kN; Proof Load III: 1080 kN; Break Load II: 1080 kN; Break Load III: 1540 kN; Weight (27.5 m): 1188 kg
• 46 mm — Proof Load II: 837 kN; Proof Load III: 1170 kN; Break Load II: 1170 kN; Break Load III: 1680 kN; Weight (27.5 m): 1298 kg
• 48 mm — Proof Load II: 908 kN; Proof Load III: 1270 kN; Break Load II: 1270 kN; Break Load III: 1810 kN; Weight (27.5 m): 1413 kg
• 50 mm — Proof Load II: 981 kN; Proof Load III: 1370 kN; Break Load II: 1370 kN; Break Load III: 1960 kN; Weight (27.5 m): 1526 kg
• 52 mm — Proof Load II: 1060 kN; Proof Load III: 1480 kN; Break Load II: 1480 kN; Break Load III: 2110 kN; Weight (27.5 m): 1645 kg
• 54 mm — Proof Load II: 1140 kN; Proof Load III: 1590 kN; Break Load II: 1590 kN; Break Load III: 2270 kN; Weight (27.5 m): 1774 kg
• 56 mm — Proof Load II: 1220 kN; Proof Load III: 1710 kN; Break Load II: 1710 kN; Break Load III: 2430 kN; Weight (27.5 m): 1906 kg
• 58 mm — Proof Load II: 1290 kN; Proof Load III: 1810 kN; Break Load II: 1810 kN; Break Load III: 2600 kN; Weight (27.5 m): 2051 kg
• 60 mm — Proof Load II: 1380 kN; Proof Load III: 1940 kN; Break Load II: 1940 kN; Break Load III: 2770 kN; Weight (27.5 m): 2194 kg
• 62 mm — Proof Load II: 1470 kN; Proof Load III: 2060 kN; Break Load II: 2060 kN; Break Load III: 2940 kN; Weight (27.5 m): 2338 kg
• 64 mm — Proof Load II: 1560 kN; Proof Load III: 2190 kN; Break Load II: 2190 kN; Break Load III: 3130 kN; Weight (27.5 m): 2492 kg
• 66 mm — Proof Load II: 1660 kN; Proof Load III: 2310 kN; Break Load II: 2310 kN; Break Load III: 3300 kN; Weight (27.5 m): 2650 kg
• 68 mm — Proof Load II: 1750 kN; Proof Load III: 2450 kN; Break Load II: 2450 kN; Break Load III: 3500 kN; Weight (27.5 m): 2836 kg
• 70 mm — Proof Load II: 1840 kN; Proof Load III: 2580 kN; Break Load II: 2580 kN; Break Load III: 3690 kN; Weight (27.5 m): 2982 kg
• 73 mm — Proof Load II: 1990 kN; Proof Load III: 2790 kN; Break Load II: 2790 kN; Break Load III: 3990 kN; Weight (27.5 m): 3274 kg

Anchor chain link dimensions (typical, mm)

• 16 mm — l: 96; p: 64; w: 58
• 17.5 mm — l: 105; p: 70; w: 63
• 19 mm — l: 114; p: 76; w: 68
• 20.5 mm — l: 123; p: 82; w: 74
• 22 mm — l: 132; p: 88; w: 79
• 24 mm — l: 144; p: 96; w: 86
• 26 mm — l: 156; p: 104; w: 94
• 28 mm — l: 168; p: 112; w: 101
• 30 mm — l: 180; p: 120; w: 108
• 32 mm — l: 192; p: 128; w: 115
• 34 mm — l: 204; p: 136; w: 122
• 36 mm — l: 216; p: 144; w: 130
• 38 mm — l: 228; p: 152; w: 137
• 40 mm — l: 240; p: 160; w: 144
• 42 mm — l: 252; p: 168; w: 151
• 44 mm — l: 264; p: 176; w: 158
• 46 mm — l: 276; p: 184; w: 166
• 48 mm — l: 288; p: 192; w: 173
• 50 mm — l: 300; p: 200; w: 180
• 52 mm — l: 312; p: 208; w: 180
• 54 mm — l: 324; p: 208; w: 187
• 56 mm — l: 336; p: 224; w: 202
• 58 mm — l: 348; p: 232; w: 209
• 60 mm — l: 360; p: 240; w: 216
• 62 mm — l: 372; p: 248; w: 223
• 64 mm — l: 384; p: 256; w: 230
• 66 mm — l: 396; p: 264; w: 238
• 68 mm — l: 408; p: 272; w: 245
• 70 mm — l: 420; p: 280; w: 252
• 73 mm — l: 438; p: 292; w: 263

Notes

• Steel grades: M2 and M3 (M3 chains include heat treatment; higher grade = higher tensile strength).
• Length measurement: standard shot length = 27.5 m; chain lengths composed of lengths connected by connecting shackles.

Caractéristiques / spécifications techniques

• Denomination commerciale (model): Anchor Chain Grade 3
• Materials: CM490, CM690
• Production technology: Flash butt welding
• Applicable use: Marine anchor chain for ships, boats and vessels
• Available diameters: ø16 mm – ø72 mm (product listing shows up to ø73 mm typical values)
• Surface treatments: Black bituminous painting, hot-dip galvanised (HDG), or supplied unpainted
• Chain components: common link, enlarge link, end link
• Typical accessories: Kenter shackle, anchor shackles (end/D shackle), swivel
• Payment: T/T; L/C at sight
• Delivery lead time: 7–35 days after order confirmation
• Port: Wuhan / Shanghai, China
• Certifications: CCS, BV, ABS, KR, RS, ISO 9001, ISO 45001, ISO 14001