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NACM2010 GRADE 80 ALLOY CHAIN

quality NACM2010 GRADE 80 ALLOY CHAIN factory
Product Specification
Product Details
Nominal Chain Size(In): 7/32
Nominal Chain Size(Mm): 5.5
Material Diameter(In): 0.217
Material Diameter(Mm): 5.5
Working Load Limit(Max.)(Lbs): 2,100
Working Load Limit(Max.)(Kg): 970
Proof Test (Min.)(Lbs): 4,200
Proof Test (Min.)(KN): 19.0
Min. Breaking Force(Lbs): 8,400
Min. Breaking Force(KN): 38.0
Inside Length (Max.)(In): 0.69
Inside Length (Max.)(Mm): 17.6
Inside Width Range(In): 0.281-0.325
Inside Width Range(Mm): 7.14-8.25
Nominal Chain Size(In): 9/32
Nominal Chain Size(Mm): 7.0
Material Diameter(In): 0.276
Material Diameter(Mm): 7.0
Working Load Limit(Max.)(Lbs): 3,500
Working Load Limit(Max.)(Kg): 1,570
Proof Test (Min.)(Lbs): 7,000
Proof Test (Min.)(KN): 30.8
Min. Breaking Force(Lbs): 14,000
Min. Breaking Force(KN): 61.6
Inside Length (Max.)(In): 0.90
Inside Length (Max.)(Mm): 22.9
Inside Width Range(In): 0.375-0.430
Inside Width Range(Mm): 9.53-10.92
Nominal Chain Size(In): 5/16
Nominal Chain Size(Mm): 8.0
Material Diameter(In): 0.315
Material Diameter(Mm): 8.0
Working Load Limit(Max.)(Lbs): 4,500
Working Load Limit(Max.)(Kg): 2,000
Proof Test (Min.)(Lbs): 9,000
Proof Test (Min.)(KN): 40.3
Min. Breaking Force(Lbs): 18,000
Min. Breaking Force(KN): 80.6
Inside Length (Max.)(In): 1.04
Inside Length (Max.)(Mm): 26.4
Inside Width Range(In): 0.430-0.500
Inside Width Range(Mm): 10.92-12.70
Nominal Chain Size(In): 3/8
Nominal Chain Size(Mm): 10.0
Material Diameter(In): 0.394
Material Diameter(Mm): 10.0
Working Load Limit(Max.)(Lbs): 7,100
Working Load Limit(Max.)(Kg): 3,200
Proof Test (Min.)(Lbs): 14,200
Proof Test (Min.)(KN): 63.0
Min. Breaking Force(Lbs): 28,400
Min. Breaking Force(KN): 126.0
Inside Length (Max.)(In): 1.26
Inside Length (Max.)(Mm): 32.0
Inside Width Range(In): 0.512-0.600
Inside Width Range(Mm): 13.00-15.20
Nominal Chain Size(In): 1/2
Nominal Chain Size(Mm): 13.0
Material Diameter(In): 0.512
Material Diameter(Mm): 13.0
Working Load Limit(Max.)(Lbs): 12,000
Working Load Limit(Max.)(Kg): 5,400
Proof Test (Min.)(Lbs): 24,000
Proof Test (Min.)(KN): 107.0
Min. Breaking Force(Lbs): 48,000
Min. Breaking Force(KN): 214.0
Inside Length (Max.)(In): 1.64
Inside Length (Max.)(Mm): 41.6
Inside Width Range(In): 0.688-0.768
Inside Width Range(Mm): 17.48-19.50
Nominal Chain Size(In): 5/8
Nominal Chain Size(Mm): 16.0
Material Diameter(In): 0.630
Material Diameter(Mm): 16.0
Working Load Limit(Max.)(Lbs): 18,100
Working Load Limit(Max.)(Kg): 8,200
Proof Test (Min.)(Lbs): 36,200
Proof Test (Min.)(KN): 161.0
Min. Breaking Force(Lbs): 72,400
Min. Breaking Force(KN): 322.0
Inside Length (Max.)(In): 2.02
Inside Length (Max.)(Mm): 51.2
Inside Width Range(In): 0.812-0.945
Inside Width Range(Mm): 20.63-24.00
Nominal Chain Size(In): 3/4
Nominal Chain Size(Mm): 20.0
Material Diameter(In): 0.787
Material Diameter(Mm): 20.0
Working Load Limit(Max.)(Lbs): 28,300
Working Load Limit(Max.)(Kg): 12,800
Proof Test (Min.)(Lbs): 56,600
Proof Test (Min.)(KN): 252.0
Min. Breaking Force(Lbs): 113,200
Min. Breaking Force(KN): 504.0
Inside Length (Max.)(In): 2.52
Inside Length (Max.)(Mm): 64.0
Inside Width Range(In): 0.984-1.180
Inside Width Range(Mm): 25.00-30.00
Nominal Chain Size(In): 7/8
Nominal Chain Size(Mm): 22.0
Material Diameter(In): 0.866
Material Diameter(Mm): 22.0
Working Load Limit(Max.)(Lbs): 34,200
Working Load Limit(Max.)(Kg): 15,500
Proof Test (Min.)(Lbs): 68,400
Proof Test (Min.)(KN): 305.0
Min. Breaking Force(Lbs): 136,800
Min. Breaking Force(KN): 610.0
Inside Length (Max.)(In): 2.77
Inside Length (Max.)(Mm): 70.4
Inside Width Range(In): 1.080-1.300
Inside Width Range(Mm): 27.50-33.00
Nominal Chain Size(In): 1
Nominal Chain Size(Mm): 26.0
Material Diameter(In): 1.020
Material Diameter(Mm): 26.0
Working Load Limit(Max.)(Lbs): 47,700
Working Load Limit(Max.)(Kg): 21,600
Proof Test (Min.)(Lbs): 95,400
Proof Test (Min.)(KN): 425.0
Min. Breaking Force(Lbs): 190,800
Min. Breaking Force(KN): 850.0
Inside Length (Max.)(In): 3.28
Inside Length (Max.)(Mm): 83.2
Inside Width Range(In): 1.280-1.540
Inside Width Range(Mm): 32.50-39.00
Nominal Chain Size(In): 1-1/4
Nominal Chain Size(Mm): 32.0
Material Diameter(In): 1.260
Material Diameter(Mm): 32.0
Working Load Limit(Max.)(Lbs): 72,300
Working Load Limit(Max.)(Kg): 32,800
Proof Test (Min.)(Lbs): 144,600
Proof Test (Min.)(KN): 644.0
Min. Breaking Force(Lbs): 289,200
Min. Breaking Force(KN): 1288.0
Inside Length (Max.)(In): 4.03
Inside Length (Max.)(Mm): 102.4
Inside Width Range(In): 1.580-1.890
Inside Width Range(Mm): 40.00-48.00
Product Description

Grade 80 Alloy Steel Chain

Specifically recommended for overhead lifting applications, this Grade 80 Alloy Steel Chain meets the latest guidelines of the National Association of Chain Manufacturers (NACM). Produced from the highest quality alloy steel, each chain is embossed with “RG80” and a traceability code for quality assurance. Quenched and tempered, and proof tested in accordance with a 4-to-1 design factor required by NACM specifications. Finished with a durable black electrophoresis coating.

Key Benefits:

  • ✅ Specifically designed for overhead lifting.
  • ✅ Meets NACM guidelines for safety and performance.
  • ✅ Manufactured from premium alloy steel for superior strength.
  • ✅ Features traceability for quality control.
  • ✅ Durable black electrophoresis finish for corrosion resistance.

Target Industries & Applications: Construction, Manufacturing, Heavy Lifting, Rigging, Crane Operations, Material Handling.

Product Details

Brand: CH-Honghao
Origin: China
Material: Alloy Steel
Color: Black

Technical Specifications

Nominal Chain Size(in) Nominal Chain Size(mm) Material Diameter(in) Material Diameter(mm)
7/32 5.5 0.217 5.5
9/32 7.0 0.276 7.0
5/16 8.0 0.315 8.0
3/8 10.0 0.394 10.0
1/2 13.0 0.512 13.0
5/8 16.0 0.630 16.0
3/4 20.0 0.787 20.0
7/8 22.0 0.866 22.0
1 26.0 1.020 26.0
1-1/4 32.0 1.260 32.0
Working Load Limit(Max.)(lbs) Working Load Limit(Max.)(kg) Proof Test (Min.)(lbs) Proof Test (Min.)(kN)
2,100 970 4,200 19.0
3,500 1,570 7,000 30.8
4,500 2,000 9,000 40.3
7,100 3,200 14,200 63.0
12,000 5,400 24,000 107.0
18,100 8,200 36,200 161.0
28,300 12,800 56,600 252.0
34,200 15,500 68,400 305.0
47,700 21,600 95,400 425.0
72,300 32,800 144,600 644.0
Min. Breaking Force(lbs) Min. Breaking Force(kN) Inside Length (Max.)(in) Inside Length (Max.)(mm)
8,400 38.0 0.69 17.6
14,000 61.6 0.90 22.9
18,000 80.6 1.04 26.4
28,400 126.0 1.26 32.0
48,000 214.0 1.64 41.6
72,400 322.0 2.02 51.2
113,200 504.0 2.52 64.0
136,800 610.0 2.77 70.4
190,800 850.0 3.28 83.2
289,200 1288.0 4.03 102.4
Inside Width Range(in) Inside Width Range(mm)
0.281-0.325 7.14-8.25
0.375-0.430 9.53-10.92
0.430-0.500 10.92-12.70
0.512-0.600 13.00-15.20
0.688-0.768 17.48-19.50
0.812-0.945 20.63-24.00
0.984-1.180 25.00-30.00
1.080-1.300 27.50-33.00
1.280-1.540 32.50-39.00
1.580-1.890 40.00-48.00
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