33

// MADE IN THE USA

// WARNING: NEVER EXCEED WORKING LOAD LIMITS

// APPROVED FOR OVERHEAD LIFTING

GRADE 80

CHAIN

SIZE (IN.)

WORKING 

LOAD 

LIMIT

SINGLE 

LEG PROOF 

TEST

DOUBLE 

LEG PROOF 

TEST

TRIP/QUAD 

LEG PROOF 

TEST

9/32

3,500

7,000

14,000

21,000

5/16

4,500

9,000

18,000

27,000

3/8 

7,100

14,200

28,400

42,600

1/2 

12,000

24,000

48,000

72,000

5/8 

18,100

36,200

72,400

108,600

3/4

28,300

56,600

113,200

169,800

7/8

34,200

68,400

136,800

205,200

1

47,700

95,400

190,800

286,200

1 1/4

72,300

144,600

289,200

433,800

1 1/2

112,800

225,600

451,200

676,800

GRADE 100

CHAIN

SIZE (IN.)

WORKING 

LOAD 

LIMIT

SINGLE 

LEG PROOF 

TEST

DOUBLE 

LEG PROOF 

TEST

TRIP/QUAD 

LEG PROOF 

TEST

9/32

4,300

8,600

17,200

25,800

5/16

5,700

11,400

22,800

34,200

3/8 

8,800

17,600

35,200

52,800

1/2 

15,000

30,000

60,000

90,000

5/8 

22,600

45,200

90,400

135,600

3/4

35,300

70,600

141,200

211,800

7/8

42,700

85,400

170,800

256,200

GRADE 120

CHAIN

SIZE 

(IN.)

SINGLE 

90°

DOUBLE 

60°

DOUBLE 

45°

DOUBLE 

30°

TRI/

QUAD

60°

TRI/

QUAD

45°

TRI/

QUAD

30°

9/32

5,200

9,000

7,300

5,200

13,50011,000

7,300

5/16

6,900

11,900

9,700

6,900

17,90014,60010,350

3/8

10,600

18,300

14,900

10,600

27,50022,40015,900

1/2

18,000

31,000

25,400

18,00046,70038,10027,000

GRADE 80

CHAIN

SIZE 

(IN.)

SINGLE 

90°

DOUBLE 

60°

DOUBLE 

45°

DOUBLE 

30°

TRI/

QUAD

60°

TRI/

QUAD

45°

TRI/QUAD

30°

9/32

3,500

6,100

4,900

3,500

9,100

7,400

5,200

5/16

4,500

7,800

6,400

4,500

11,700

9,500

6,800

3/8

7,100

12,300

10,000

7,100

18,400

15,100

10,600

1/2

12,00020,800

17,000

12,000

31,200

25,500

18,000

5/8

18,100

31,300

25,600

18,100

47,00038,400

27,100

3/4

28,30049,00040,00028,30073,50060,000

42,400

7/8

34,20059,200

48,40034,20088,90072,500

51,300

1

47,70082,600

67,400

47,700123,900101,200

71,500

1 1/4

72,300125,200102,20072,300187,800153,300108,400

1 1/2

112,800195,400159,500112,800293,100239,200169,200

GRADE 100

CHAIN

SIZE 

(IN.)

SINGLE 

90°

DOUBLE 

60°

DOUBLE 

45°

DOUBLE 

30°

TRI/

QUAD

60°

TRI/

QUAD

45°

TRI/

QUAD

30°

9/32

4,300

7,400

6,100

4,300

11,200

9,100

6,400

5/16

5,700

9,900

8,100

5,700

14,800

12,100

8,500

3/8 

8,800

15,200

12,400

8,800

22,90018,70013,200

1/2 

15,000

26,000

21,200

15,000

39,00031,80022,500

5/8 

22,600

39,100

32,000

22,60058,70047,90033,900

SINGLE 90°

DOUBLE 60°

DOUBLE 45°

DOUBLE 30°

TRI/QUAD 60°

TRI/QUAD 45°

TRI/QUAD 30°

LACLEDE ALLOY WORKING LOAD LIMITS

ASTM PROOF LOAD 

REQUIREMENTS