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- Alloy Steel Quenched and Tempered.
- Individually proof tested to values shown,
with certification.
- Proof tested with fixture sized to prevent localized point loading
per ASTM A952.
- Proof test certification shipped with each
link.
- Sizes from 1/2" to 2" are drop forged
and have a Product Identification Code (PIC) for material traceability, along with
the size and the name Crosby and USA in raised lettering.
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A-342 Alloy Master Links
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Size
"A"
(in.)
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A-342
Stock No.
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Working
Load Limit
(lbs.)*
|
Proof
Load
(lbs.)**
|
Weight Each (lbs.) |
Dimensions
(in.)
|
|
B
|
C
|
Deformation
Indicator
|
|
1/2
|
1014262
|
7000
|
14000
|
.82 |
2.50
|
5.00
|
3.00
|
|
5/8
|
1014280
|
9000
|
18000
|
1.52 |
3.00
|
6.00
|
3.50
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3/4
|
1014306
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12300
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28400
|
2.07 |
2.75
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5.50
|
3.50
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7/8
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1014315
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15000
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30000
|
3.50 |
3.75
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6.38
|
4.50
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1
|
1014324
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24360
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48700
|
4.85 |
3.50
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7.00
|
4.50
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1-1/4
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1014342
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36200
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72400
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9.57 |
4.38
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8.75
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5.50
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1-1/2
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1014360
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54300
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113200
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16.22 |
5.25
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10.50
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6.50
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1-3/4
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1014388
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84900
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169800
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25.22 |
6.00
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12.00
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7.50
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2
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1014404
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102600
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205200
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37.04 |
7.00
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14.00
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9.00
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2-1/4
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1014422
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143100
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289200
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54.10 |
8.00
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16.00
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-
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2-1/2
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1014468
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160000
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320000
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67.75 |
8.00
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16.00
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-
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2-3/4
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1014440
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216900
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433800
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87.70 |
9.50
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16.00
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-
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3
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1014486
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228000
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456000
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115.00 |
9.00
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18.00
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-
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3-1/4
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1014501
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262200
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524400
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145.00 |
10.00
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20.00
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-
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3-1/2
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1014529
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279000
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558000
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200.00 |
12.00
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24.00
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-
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3-3/4
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1015051
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336000
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672000
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198.00 |
10.00
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20.00
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-
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4
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1015060
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373000
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746000
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228.00 |
10.00
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20.00
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-
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4-1/4
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1015067
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354000
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708000
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302.00 |
12.00
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24.00
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-
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4-1/2
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1015079
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360000
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720000
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345.00 |
14.00
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28.00
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-
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4-3/4
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1015088
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389000
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778000
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436.00 |
14.00
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28.00
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-
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5 |
1015094 |
395000 |
790000 |
516.00 |
15.00 |
30.00 |
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* Minimum Ultimate Load is 5 times Working Load
Limit. Based on single leg sling (in-line load), or resultant load on multiple
legs with an included angle less than or equal to 120 degrees.
** Proof test load equals or exceeds the requirement of
ASTM A952(8.1) and ASME B30.9-1.4 for the chain size and number
of legs.
Welded Master Link.
For use with chain slings, see page
202.
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A-345 Master Link Assembly
- Alloy Steel - Quenched and Tempered
- Individually proof tested at 2 times
Working Load Limit with certification.
- Proof test certification shipped with
each link.
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"A"
Size
(in.)
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A-345
Stock
No.
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Working Load Limit
(lbs.)*
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Weight
Each
(lbs.)
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Dimensions (in.)
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Based on
Grade 8 Chain
(4:1)
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Based
on 5:1
Design
Factor
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B
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C
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D
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E
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F
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G
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Deformation
Indicator
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Engineered
Flat for
S-325A
(in.) - (mm)
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3/4
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1014734
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9100
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12300 |
3.40
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2.75
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5.50
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.56
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3.35
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1.57
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.30
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3.50 |
1/4"-5/16", 7-8mm
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1
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1014752
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18400
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24360 |
7.40
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3.50
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7.00
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.69
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3.94
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2.36
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.33
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4.50 |
3/8", 10mm
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1-1/4
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1014770
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31200
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36200 |
15.90
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4.38
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8.75
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.88
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6.30
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3.54
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.53
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5.50 |
1/2", 13mm
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1-1/2
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1014798
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47000
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54300 |
28.10
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5.25
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10.50
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1.13
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7.09
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3.94
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.65
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6.50 |
5/8", 16mm
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1-3/4
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1014814
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73500
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84900 |
46.00
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6.00
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12.00
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1.38
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8.00
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5.00
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.73
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7.50 |
3/4", 20mm
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2
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1014832
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88900
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102600 |
67.00
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7.00
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14.00
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1.50
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9.00
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5.75
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-
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9.00 |
No Flat
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2-1/2
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1014850
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123900
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160000 |
142.00
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8.00
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16.00
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2.00
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14.00
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7.00
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-
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- |
No Flat
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2-3/4
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1014859
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188000
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216900 |
196.0
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9.50
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16.00
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2.25
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16.00
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8.00
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-
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- |
No Flat
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4
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1014995
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373000 |
403.4
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10.00
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20.00
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2.75
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16.00
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9.50
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-
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- |
No Flat
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* Ultimate Load is 5 times the Working Load Limit.
Based on 60 degree included angle or smaller. For included angles greater than 60
degrees, the Working Load Limit must be de-rated. Refer to page
200 for proper chain selection for triple and quadruple leg slings.
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