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Hardness Conversion Table

Brinell Hardness Hardness Conversion Table Tensile Strength
A Scale B Scale C Scale
3000KG Ball 60KG 100KG 150KG (Approx.)
400 72.0 - 43.1 202,000
388 71.4 - 41.8 195,000
375 70.6 - 40.4 188,000
363 70.0 - 39.1 182,000
352 69.3 110.0 37.9 176,000
341 68.7 109.0 36.6 170,000
331 68.1 108.5 35.5 166,000
321 67.5 108.0 34.3 160,000
311 66.9 107.5 33.1 155,000
302 66.3 107.0 32.1 150,000
293 65.7 106.0 30.9 145,000
285 65.3 105.5 29.9 141,000
277 64.6 104.5 28.8 137,000
269 64.1 104.0 27.6 133,000
262 63.6 103.0 26.6 129,000
255 63.0 102.0 25.4 126,000
248 62.5 101.0 24.2 122,000
241 61.8 100.0 22.8 118,000
235 61.4 99.0 21.7 115,000
229 60.8 98.2 20.5 111,000
223 - 97.3 18.8 109,000
217 - 96.4 17.5 105,000
212 - 95.5 16.8 102,000
207 - 94.6 15.2 100,000
201 - 93.8 13.5 98,000
197 - 92.8 12.7 95,000
192 - 91.9 11.5 93,000
187 - 90.7 10.0 90,000
183 - 90.0 9.0 89,000
179 - 89.0 8.0 88,000
174 - 87.8 6.4 86,000
170 - 86.8 5.4 84,000
167 - 86.0 4.4 83,000
163 - 85.0 3.3 82,000
156 - 82.9 - 80,000
149 - 80.8 - 73,000
143 - 78.7 - 71,000
137 - 76.4 - 67,000
131 - 74.0 - 65,000
126 - 72.0 - 63,000
121 - 69.8 - 60,000
116 - 67.6 - 58,000
111 - 65.7 - 56,000

 

Pipe Chart : Dimensions and Weights of Seamless and Welded Pipe 

 

UPPER FIGURES = WALL THICKNESS IN INCHES LOWER FIGURES = WEIGHT PER FOOT IN POUNDS
PIPE
SIZE
0. D.
(INCHES)
DIMENSIONS AND WEIGHTS OF SEAMLESS AND WELDED PIPE DBLE. E. H.
5S 5 10S 10 20 30 40S &
STD,
40 60 805 &
E. H.
80 100 120 140 160
1/8
0.405
 
0.035
0.049
0.049
 
 
0.068
0.068
 
0.095
0.095
 
 
 
 
 
 
0.1383
0.1863
0.1863
 
 
0.2447
0.2447
 
0.3145
0.3145
 
 
 
 
 
1/4
.540
 
0.049
0.065
0.065
 
 
0.088
0.088
 
0.119
0.119
 
 
 
 
 
 
.2570
0.3297
0.3297
 
 
0.4248
0.4248
 
0.5351
0.5351
 
 
 
 
 
3/8
0.675
 
0.049
0.065
0.065
 
 
0.091
0.091
 
0.126
0.126
 
 
 
 
 
 
0.3276
0.4235
0.4235
 
 
0.5676
0.5676
 
0.7338
0.7338
 
 
 
 
 
1/2
.840
0.065
0.065
0.083
0.083
 
 
0.091
0.091
 
0.147
0.147
 
 
 
0.187
0.294
0.5383
0.5383
.6710
.6710
 
 
.8510
.8510
 
1.088
1.088
 
 
 
1.304
1.714
3/4
1.050
0.065
0.065
0.083
0.083
 
 
0.113
0.113
 
0.154
0.154
 
 
 
0.218
0.308
0.6838
0.6838
0.8572
0.8572
 
 
1.131
1.131
 
1.474
1.474
 
 
 
1.937
2.441
1
1.315
0.065
0.065
0.109
0.109
 
 
0.133
0.133
 
0.179
0.179
 
 
 
.250
0.358
0.8678
0.8678
1.404
1.404
 
 
1.679
1.679
 
2.172
2.172
 
 
 
2.844
3.659
1-1/4
1.660
0.065
0.065
0.109
0.109
 
 
.140
.140
 
0.191
0.191
 
 
 
.250
0.382
1.107
1.107
1.806
1.806
 
 
2.273
2.273
 
2.997
2.997
 
 
 
3.765
5.214
1-1/2
1.900
0.065
0.065
0.109
0.109
 
 
0.145
0.145
 
.200
.200
 
 
 
0.281
.400
1.274
1.274
2.085
2.085
 
 
2.718
2.718
 
3.631
3.631
 
 
 
4.859
6.408
2
2.375
0.065
0.065
0.109
0.109
 
 
0.154
0.154
 
0.218
0.218
 
 
 
0.343
0.436
1.604
1.604
2.638
2.638
 
 
3.653
3.653
 
5.022
5.022
 
 
 
7.444
9.029
2-1/2
2.875
0.083
0.083
.120
.120
 
 
0.203
0.203
 
0.276
0.276
 
 
 
0.375
0.552
2.475
2.475
3.531
3.531
 
 
5.793
5.793
 
7.661
7.661
 
 
 
10.01
13.70
3
3.500
0.083
0.083
.120
.120
 
 
0.216
0.216
 
.300
.300
 
 
 
0.437
.600
3.029
3.029
4.332
4.332
 
 
7.576
7.576
 
10.25
10.25
 
 
 
14.32
18.58
3-1/2
4.000
0.083
0.083
.120
.120
 
 
0.226
0.226
 
0.318
0.318
 
 
 
 
0.636
3.472
3.472
4.973
4.973
 
 
9.109
9.109
 
12.51
12.51
 
 
 
 
22.85
4
4.500
0.083
0.083
.120
.120
 
 
0.237
0.237
0.281
0.337
0.337
 
0.437
 
0.531
0.674
3.915
3.915
5.613
5.613
 
 
10.79
10.79
12.66
14.98
14.98
 
19.01
 
22.51
27.54
4-1/2
5.000
 
 
 
 
 
 
0.247
 
 
0.355
 
 
 
 
 
.710
 
 
 
 
 
 
12.53
 
 
17.61
 
 
 
 
 
32.53
5
5.563
0.109
0.109
0.134
0.134
 
 
0.258
0.258
 
0.375
0.375
 
.500
 
0.625
.750
6.349
6.349
7.770
7.770
 
 
14.62
14.62
 
20.78
20.78
 
27.04
 
32.96
38.55
6
6.625
0.109
0.109
0.134
0.134
 
 
.280
.280
 
0.432
0.432
 
0.562
 
0.718
0.864
7.585
7.585
9.290
9.290
 
 
18.97
18.97
 
28.57
28.57
 
36.39
 
45.30
53.15
7
7.625
 
 
 
 
 
 
0.301
 
 
.500
 
 
 
 
 
0.875
 
 
 
 
 
 
23.57
 
 
38.05
 
 
 
 
 
63.08
8
8.625
0.109
0.109
0.148
0.148
.250
0.277
0.322
0.322
0.406
.500
.500
0.593
0.718
0.812
0.906
0.885
9.914
9.914
13.40
13.40
22.36
24.70
28.55
28.55
35.64
43.39
43.39
50.87
60.93
67.76
74.69
72.42
9
9.625
 
 
 
 
 
 
0.342
 
 
.500
 
 
 
 
 
 
 
 
 
 
 
 
33.90
 
 
48.72
 
 
 
 
 
 
10
10.75
0.134
0.134
0.165
0.165
.250
0.307
0.365
0.365
.500
.500
0.593
0.718
0.843
1.000
1.125
 
15.19
15.19
18.70
18.70
28.04
34.24
40.48
40.48
54.74
54.74
64.33
76.93
89.20
104.1
115.7
 
11
11.750
 
 
 
 
 
 
0.375
 
 
.500
 
 
 
 
 
 
 
 
 
 
 
 
45.55
 
 
60.07
 
 
 
 
 
 
12
12.750
0.156
0.165
.180
.180
.250
.330
0.375
0.406
0.562
.500
0.687
0.843
1.000
1.125
1.312
 
21.07
22.18
24.20
24.20
33.38
43.77
49.56
53.53
73.16
65.42
88.51
107.2
125.5
139.7
160.3
 
14
14.000
0.156
 
0.188
.250
0.312
0.375
0.375
0.437
0.593
.500
.750
0.937
1.093
1.250
1.406
 
23.07
 
27.73
36.71
45.68
54.57
54.57
63.37
84.91
72.09
106.1
130.7
150.7
170.2
189.1
 
16
16.000
0.165
 
0.188
.250
0.312
0.375
0.375
.500
0.656
.500
0.843
1.031
1.218
1.437
1.593
 
27.90
 
31.75
42.05
52.36
62.58
62.58
82.77
107.5
82.77
136.5
164.8
192.3
223.5
245.1
 
18
18.000
0.165
 
0.188
.250
0.312
0.437
0.375
0.562
.750
.500
0.937
1.156
1.375
1.562
1.781
 
31.43
 
35.76
47.39
59.03
82.06
70.59
104.8
138.2
93.45
170.8
208.0
244.1
274.2
308.5
 
20
20.000
0.188
 
0.218
.250
0.375
.500
0.375
0.593
0.812
.500
1.031
1.280
1.500
1.750
1.968
 
39.78
 
46.05
52.73
78.60
104.1
78.60
122.9
166.4
104.1
208.9
256.1
296.4
341.1
379.0
 
22
22.000
0.188
 
0.218
.250
0.375
.500
0.375
 
0.875
.500
1.125
1.375
1.625
1.875
2.125
 
43.8
 
50.71
58.07
86.61
114.81
86.61
 
197.41
114.81
250.81
302.88
353.61
403.0
451.06
 
24
24.000
0.218
 
.250
.250
0.375
0.562
0.375
0.687
0.968
.500
1.218
1.531
1.812
2.062
2.344
 
55.37
 
63.41
63.41
94.62
140.8
94.62
171.2
238.1
125.5
296.4
367.4
429.4
483.1
542.13
 
26
26.000
 
 
 
0.312
.500
 
0.375
 
 
.500
 
 
 
 
 
 
 
 
 
85.60
136.17
 
102.63
 
 
136.17
 
 
 
 
 
 
28
28.000
 
 
 
0.312
.500
0.625
0.375
 
 
 
 
 
 
 
 
 
 
 
 
92.26
146.85
182.73
110.64
 
 
 
 
 
 
 
 
 
30
30.000
.250
 
0.312
0.312
.500
0.625
0.375
 
 
.500
 
 
 
 
 
 
79.43
 
98.93
98.93
157.53
196.08
118.65
 
 
157.53
 
 
 
 
 
 
32
32.000
 
 
 
0.312
.500
0.625
0.375
0.688
 
.500
 
 
 
 
 
 
 
 
 
105.59
168.21
209.43
126.66
230.08
 
168.21
 
 
 
 
 
 
34
34.000
 
 
 
0.312
.500
0.625
0.375
0.688
 
 
 
 
 
 
 
 
 
 
 
112.25
178.89
222.78
134.67
244.77
 
 
 
 
 
 
 
 
36
36.000
 
 
 
0.312
 
0.625
0.375
.750
 
.500
 
 
 
 
 
 
 
 
 
118.92
 
236.13
142.68
282.35
 
189.57
 
 
 
 
 
 

 

Wire Gauge Chart :

 

arch

 

 

 

 

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