Grade 120 Chain

Grade 100 cut chain availabe

Grade 120 Chain

 

Grade 120 Chain Full Drum Box

 

Technical Data:
Hardness approx. 41 HRC
Heat resistance up to 400° F
Nominal proof stress* 600N/mm2
Components fatigue tested to 20,000 cycles
Nominal breaking stress* 1200 N/mm2
Surface powder coated blue
Elongation min. 20%
*calculated acc. usual definition for round steel chain

 

FEATURES AND BENEFITS 

  • Higher Wear Resistance
    Due to the special form of the profile chain, a larger contact is achieved between the bearing surfaces of the links (see diagram). This, in turn, reduces the surface pressure on the chain and consequently reduces wear substantially. This is a real advantage in abrasive environments.
  • Bending Resistance
    The new profile of the G120 chain has up to 38% higher moment of resistance compared to regular round-link chains with the same diameter. Therefore, chain can withstand bending forces better than round-link chains and is well equipped for heavy applications.
  • Higher Design Factor
    Same dimension of chain and workload, G120 offers a design factor of 6:1 compared to G80 with 4:1.
  • Color-Coded Corrosion Protection
    G120 has a powder coated finish in blue, which provides easy identification and corrosion protection.
  • G120 meets or exceeds the G100 NACM/ASTM-test requirements for lifting chains
    Exceeds the 4:1 NACM design factor if G80 loading is used meets the NACM standard for heat resistance with 400° F meets the 20,000 cycle ASTM-Standard fatigue test for Grade 100 

 

 

Grade 120 Chain WLL Chart

GRADE 120 WLL CHART
  


About Grade 120 Chain

Grade 120 chain was specifically designed to for extreme overhead lifting applications. Grade 120 Chain is an ultra-premium quality high strength alloy steel. Grade 120 Chain has a 50 percent increase in working load limit as compared to a similar size chain in Grade 80. This allows you to reduce the size of the chain depending on the working load needed. Grade 120 chains are also referred to as Grade 12, Grade 120 Winner Pro. Grade 120 Chain IS approved for overhead lifting. READ MORE...


Terms

Grade of Chain: NACM (National Association of Chain Manufacturers & ASTM (American Society for Test Materials) classify chains in various grades. The higher the grade, the higher the working load limit for the same size of chain. READ MORE...

 

Grade 120 Chain Specifications
CHAIN
SIZE
INCH
CHAIN
SIZE
MM
WORKING
LOAD
LIMIT
(LBS)
NOMINAL
THICKNESS
(d)
PITCH
(t)
WIDTH
INSIDE
MIN. 
(b1)
WIDTH
OUTSIDE MAX
(b2)
BREAL
LOAD
(LBS)
WEIGHT
PER FOOT
(LBS)
FULL
DRUM
LENGTH
9/32"
(7mm)
5,200
0.276
0.866
0.393
1.024
20,800
0.874
800 Feet
5/16"
(8mm)
6,600
0.315
0.984
0.433
1.142
26,400
1.040
500 feet
3/8"
(10mm)
10,600
0.394
1.3
0.559
1.457
42,400
1.747
400 Feet
1/2"
(13mm)
17,900
0.512
1.614
0.732
1.949
71,600
3.091
200 Feet
5/8"
(16mm)
 27,500
0.630
2.008
0.748
 1.969  110,000  4.820  100 Feet

 

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