Marine Anchor Chain Proof Load and Breaking Load in Metric Units
Chain Diameter mm |
Proof Load |
Breaking Load |
Chain Diameter mm |
Minimum Weight Kg per lenght of 27,5 m |
||
Grade 2 kN |
Grade 3 kN |
Grade 2 Kn |
Grade 3 kN |
|||
16 |
107 |
150 |
150 |
216 |
16 |
160 |
17.5 |
127 |
179 |
179 |
256 |
17.5 |
190 |
19 |
150 |
211 |
211 |
301 |
19 |
225 |
20.5 |
175 |
244 |
244 |
349 |
20.5 |
265 |
22 |
200 |
280 |
280 |
401 |
22 |
300 |
24 |
237 |
332 |
332 |
476 |
24 |
360 |
26 |
278 |
389 |
389 |
556 |
26 |
420 |
28 |
321 |
449 |
449 |
642 |
28 |
490 |
30 |
368 |
514 |
514 |
735 |
30 |
565 |
32 |
417 |
583 |
583 |
833 |
32 |
635 |
34 |
468 |
655 |
655 |
937 |
34 |
720 |
36 |
523 |
732 |
732 |
1050 |
36 |
800 |
38 |
581 |
812 |
812 |
1160 |
38 |
895 |
40 |
640 |
896 |
896 |
1280 |
40 |
995 |
42 |
703 |
981 |
981 |
1400 |
42 |
1100 |
SIZE |
A |
B |
C |
D |
E |
WLL |
BL |
WT |
3/16" |
0.19" |
0.58" |
0.25" |
0.66" |
0.97" |
1,100 |
4,400 |
0.36 |
1/4" (9/32) |
0.28" |
0.85" |
0.38" |
0.97" |
1.38" |
2,200 |
8,800 |
0.67 |
5/16" |
0.32" |
0.95" |
0.45" |
1.11" |
1.55" |
2,700 |
10,800 |
0.98 |
3/8" |
0.39" |
1.18" |
0.55" |
1.34" |
1.96" |
4,400 |
17,600 |
1.41 |
1/2" |
0.51" |
1.55" |
0.75" |
1.78" |
2.53" |
7,300 |
29,200 |
2.60 |
CHAIN SIZE |
CHAIN SIZE |
WORKING |
WEIGHT |
MATERIAL DIAMETER |
INSIDE LENGTH |
INSIDE |
1/8" |
3.17mm |
400 |
0.21 |
0.16" |
0.90" |
0.27" |
3/16" |
5.5mm |
800 |
0.37 |
0.210" |
0.95" |
0.39" |
1/4" |
7mm |
1,300 |
0.59 |
0.257" |
1.02" |
0.50" |
5/16" |
8mm |
1,900 |
1.00 |
0.330" |
1.15" |
0.49" |
3/8" |
10mm |
2,650 |
1.45 |
0.397" |
1.30" |
0.60" |
1/2" |
13mm |
4,500 |
2.64 |
0.520" |
1.56" |
0.81" |
5/8" |
16mm |
6,900 |
3.93 |
0.630" |
1.87" |
1.00" |
GRADE 30 WLL CHART
GRADE 30 PROOF COIL SELF COLOR CHAIN (NASM)
National Association of Chain Manufacturers
Welded Steel Chain Specifiations
TABLE I
NOT TO BE USED IN OVERHEAD LIFTING APPLICATIONS
Nominal |
Material |
Working Load Limit |
Proof Test** |
Minimum |
Inside Length |
Inside Width |
|||||||
in |
mm |
in |
mm |
lbs. |
kg |
lbs. |
kN |
lbs. |
kN |
in |
mm |
in |
mm |
1/8 |
4.0 |
0.156 |
4.0 |
400 |
180 |
800 |
3.6 |
1,600 |
7.2 |
0.94 |
23.9 |
0.25 |
6.4 |
3/16 |
5.5 |
0.217 |
5.5 |
800 |
365 |
1,600 |
7.2 |
3,200 |
14.4 |
0.98 |
24.8 |
0.30 |
7.7 |
1/4 |
7.0 |
0.276 |
7.0 |
3,100 |
580 |
2,600 |
11.6 |
5,200 |
23.2 |
1.24 |
31.5 |
0.38 |
9.8 |
5/16 |
8.0 |
0.331 |
8.4 |
1,900 |
860 |
3,800 |
16.9 |
7,600 |
33.8 |
1.29 |
32.8 |
0.44 |
11.2 |
3/8 |
10.0 |
0.394 |
10.0 |
2,650 |
1,200 |
5,300 |
23.6 |
10,600 |
47.2 |
1.38 |
35.0 |
0.55 |
14.0 |
7/16 |
11.9 |
0.488 |
11.9 |
3,700 |
1,680 |
7,400 |
32.9 |
14,800 |
65.8 |
1.64 |
41.6 |
0.65 |
16.6 |
1/2 |
13.0 |
0.512 |
13.5 |
4,500 |
2,030 |
9,000 |
40.0 |
18,000 |
80.0 |
1.79 |
45.5 |
0.72 |
18.2 |
5/8 |
16.0 |
0.630 |
16.0 |
6,900 |
3,130 |
13,800 |
61.3 |
27,600 |
122.6 |
2.20 |
56.0 |
0.79 |
20.0 |
3/4 |
20.0 |
0.787 |
20.0 |
10,600 |
4,800 |
21,200 |
94.3 |
42,400 |
188.6 |
2.76 |
70.0 |
0.98 |
25.0 |
7/8 |
22.0 |
0.866 |
22.0 |
12,800 |
5,810 |
25,600 |
114.1 |
51,200 |
228.2 |
3.03 |
77.0 |
1.08 |
27.5 |
1 |
26.0 |
1.020 |
26.0 |
17,900 |
8,140 |
35,800 |
159.1 |
71,600 |
318.2 |
3.58 |
90.9 |
1.25 |
31.7 |
Chain Size X Length |
WLL (T) |
M.B.S. (T) |
N.W. (kgs) |
7.1mmX9′ |
1.2 |
6 |
3.4 |
8mmX9′ |
2 |
8 |
4.1 |
10mmX9′ |
3.15 |
12 |
6.5 |
CHAIN |
CHAIN |
WORKING |
LENGTH |
5/16" |
8mm |
3,900 |
14 Ft. |
5/16" |
8mm |
3,900 |
16 Ft. |
5/16" |
8mm |
3,900 |
20 Ft. |
5/16" |
8mm |
3,900 |
25 Ft. |
3/8" |
10mm |
5,400 |
14 Ft. |
3/8" |
10mm |
5,400 |
16 Ft. |
3/8" |
10mm |
5,400 |
20 Ft. |
3/8" |
10mm |
5,400 |
25 Ft. |
Chain |
Chain |
Working Load |
Length of Assembly |
5/16" |
8mm |
4,700 |
16 Ft. |
5/16" |
8mm |
4,700 |
20 Ft. |
5/16" |
8mm |
4,700 |
25 Ft. |
3/8" |
10mm |
6,600 |
16 Ft. |
3/8" |
10mm |
6,600 |
20 Ft. |
3/8" |
10mm |
6,600 |
25 Ft. |
1/2" |
13mm |
11,300 |
20 Ft. |
1/2" |
13mm |
11,300 |
25 Ft. |
CHAIN |
CHAIN |
WORKING LOAD LIMIT |
LENGTH OF |
SHIP |
1/4"(9/32") |
7mm |
3,500 |
10 Ft. |
8 LBS |
1/4"(9/32") |
7mm |
3,500 |
15 Ft. |
12 LBS |
1/4"(9/32") |
7mm |
3,500 |
20 Ft. |
16 LBS |
1/4"(9/32") |
7mm |
3,500 |
25 Ft. |
19 LBS |
5/16" |
8mm |
4,500 |
10 Ft. |
12 LBS |
5/16" |
8mm |
4,500 |
15 Ft. |
17 LBS |
5/16" |
8mm |
4,500 |
20 Ft. |
23 LBS |
5/16" |
8mm |
4,500 |
25 Ft. |
28 LBS |
3/8" |
10mm |
7,100 |
10 Ft. |
18 LBS |
3/8" |
10mm |
7,100 |
15 Ft. |
25 LBS |
3/8" |
10mm |
7,100 |
20 Ft. |
33 LBS |
3/8" |
10mm |
7,100 |
25 Ft. |
40 LBS |
1/2" |
13mm |
12,000 |
10 Ft. |
32 LBS |
1/2" |
13mm |
12,000 |
15 Ft. |
46 LBS |
1/2" |
13mm |
12,000 |
20 Ft. |
59 LBS |
1/2" |
13mm |
12,000 |
25 Ft. |
73 LBS |
5/8" |
16mm |
18,100 |
10 Ft. |
47 LBS |
5/8" |
16mm |
18,100 |
15 Ft. |
65 LBS |
5/8" |
16mm |
18,100 |
20 Ft. |
84 LBS |
5/8" |
16mm |
18,100 |
25 Ft. |
103 LBS |
CHAIN |
CHAIN |
WORKING LOAD LIMIT |
LENGTH OF |
SHIP |
1/4"(9/32") |
7mm |
4,300 |
10 Ft. |
8 LBS |
1/4"(9/32") |
7mm |
4,300 |
15 Ft. |
12 LBS |
1/4"(9/32") |
7mm |
4,300 |
20 Ft. |
16 LBS |
1/4"(9/32") |
7mm |
4,300 |
25 Ft. |
19 LBS |
5/16" |
8mm |
5,700 |
10 Ft. |
12 LBS |
5/16" |
8mm |
5,700 |
15 Ft. |
17 LBS |
5/16" |
8mm |
5,700 |
20 Ft. |
23 LBS |
5/16" |
8mm |
5,700 |
25 Ft. |
28 LBS |
3/8" |
10mm |
8,800 |
10 Ft. |
18 LBS |
3/8" |
10mm |
8,800 |
15 Ft. |
25 LBS |
3/8" |
10mm |
8,800 |
20 Ft. |
33 LBS |
3/8" |
10mm |
8,800 |
25 Ft. |
40 LBS |
1/2" |
13mm |
15,000 |
10 Ft. |
32 LBS |
1/2" |
13mm |
15,000 |
15 Ft. |
46 LBS |
1/2" |
13mm |
15,000 |
20 Ft. |
59 LBS |
1/2" |
13mm |
15,000 |
25 Ft. |
73 LBS |
5/8" |
16mm |
22,600 |
10 Ft. |
47 LBS |
5/8" |
16mm |
22,600 |
15 Ft. |
65 LBS |
5/8" |
16mm |
22,600 |
20 Ft. |
84 LBS |
5/8" |
16mm |
22,600 |
25 Ft. |
103 LBS |
Chain Size (Inch) |
Chain Size (mm) |
Working Load Limit (LBS) |
Weight Per Foot (LBS) |
Material Size (Inch) |
Inside Length (Inch) |
Inside Width (Inch) |
1/4 " |
7 |
2,600 |
0.65 |
0.267 " |
1.02 " |
0.50" |
5/16 " |
8 |
3,900 |
0.93 |
0.319 " |
1.15 " |
0.49 " |
3/8 " |
10 |
5,400 |
1.36 |
0.385 " |
1.30 " |
0.60 " |
1/2 " |
13 |
9,200 |
2.64 |
0.52 " |
1.56 " |
0.81 " |
5/8 " |
16 |
13,000 |
3.93 |
0.63 " |
1.87 " |
1.00 " |
3/4 " |
20 |
20,200 |
5.33 |
0.781 " |
2.610 " |
1.020 " |
7/8 " |
22 |
24,500 |
7.75 |
0.904 " |
2.57 " |
1.260 " |
1 " |
26 |
30,000 |
10.1 |
1.32 " |
2.87 " |
1.42 " |
زنجیرگرید 70 (Grade 70 Transport Chain):
این زنجیر همانطور که از اسم آن مشخص است برای حمل و نقل و جابجایی بار مورد استفاده قرار می گیرد ، از فولاد آلیاژی کربن دار ساخته شده ، روی زنجیر نیز روکشی از کرومات آبکاری شده طلایی رنگ به کار رفته که به راحتی حتی از فاصله دور هم قابل تشخیص است . قدرت زنجیرG70 حدود %25 بیشتر از زنجیر High Test می باشد .در کارهایی که زنجیر به صورتعمودی تحت کشش است مجاز به استفاده از این زنجیر نمی باشید.
Chain Size (Inch) |
Chain Size (mm) |
Working Load Limit (LBS) |
Weight Per Foot (LBS) |
Material Size (Inch) |
Inside Length (Inch) |
Inside Width (Inch) |
1/4 " |
7 |
3,150 |
0,59 |
.267 " |
1.24 " |
.46 " |
5/16 " |
8 |
4,700 |
0.93 |
.319 " |
1.15 " |
.49 " |
3/8 " |
10 |
6,600 |
1.31 |
.378 " |
1.30 " |
.60 " |
7/16 " |
11.5 |
8,760 |
2.09 |
.458 " |
1.37 " |
.67 " |
1/2 " |
13 |
11,300 |
2.40 |
.496 " |
1.56 " |
.81 " |
5/8 " |
16 |
15,800 |
3.41 |
.608 " |
1.93 " |
.92 " |
ابزار و یراق دانشمند با مدیریت عباس بوژمهرانی از سال 1363 فعالیت خود را در صنعت سیم بکسل با هدف ارائه خدماتی متمایز آغاز نمود .