ISO/API bushing List
iso/Â API bushing listspecification, weight, wall thickness, steel grade and corresponding end machining
codea
Outer diameterDmm
Nominal weight per unit Length (with Thread and coupling) b, ckg/m
Wall thicknesstmm
End processing form
1
2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u00a0h40
J55 K55
M65
L80 C95
N80 Category 1, Q
C90d T95d
P110
Q125d
1
2
3
4
5
6
7
8
9
10
11
12
13
4-1/2
9.50
114.30
14.14
5.21
PS
PS
PS
–
–
–
–
–
4-1/2
10.50
114.30
15.63
5.69
–
PSB
PSB
–
–
–
–
–
4-1/2
11.60
114.30
17.26
6.35
–
pslB
PLB
PLB
PLB
PLB
PLB
–
4-1/2
13.50
114.30
20.09
7.37
–
–
PLB
PLB
PLB
PLB
PLB
–
4-1/2
15.10
114.30
22.47
8.56
–
–
–
–
–
–
PLB
PLB
5
11.50
127.00
17.11
5.59
–
PS
PS
–
–
–
–
–
5
13.00
127.00
19.35
6.43
–
PSLB
PSLB
–
–
–
–
–
5
15.00
127.00
22.32
7.52
–
PSLBE
PLB
PLBE
PLBE
PLBE
PLBE
–
5
18.00
127.00
26.79
9.19
–
–
PLB
PLBE
PLBE
PLBE
PLBE
PLBE
5
21.40
127.00
31.85
11.10
–
–
PLB
PLB
PLB
PLB
PLB
PLB
5
23.20
127.00
34.53
12.14
–
–
–
PLB
PLB
PLB
PLB
PLB
5
24.10
127.00
35.86
12.70
–
–
–
PLB
PLB
PLB
PLB
PLB
5-1/2
14.00
139.70
20.83
6.20
PS
PS
PS
–
–
–
–
–
5-1/2
15.50
139.70
23.07
6.98
–
PSLBE
PSLB
–
–
–
–
–
5-1/2
17.00
139.70
25.30
7.72
–
PSLBE
PLB
PLBE
PLBE
PLBE
PLBE
–
5-1/2
20.00
139.70
29.76
9.17
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
5-1/2
23.00
139.70
34.23
10.54
–
–
PLB
PLBE
PLBE
PLBE
PLBE
PLBE
5-1/2
26.80
139.70
39.88
12.70
–
–
–
–
–
P
–
–
5-1/2
29.70
139.70
44.20
14.27
–
–
–
–
–
P
–
–
5-1/2
32.60
139.70
48.51
15.88
–
–
–
–
–
P
–
–
5-1/2
35.30
139.70
52.53
17.45
–
–
–
–
–
P
–
–
5-1/2
38.00
139.70
56.55
19.05
–
–
–
–
–
P
–
–
5-1/2
40.50
139.70
60.27
20.62
–
–
–
–
–
P
–
–
5-1/2
43.10
139.70
61.14
22.22
–
–
–
–
–
P
–
–
6-5/8
20.00
168.28
29.76
7.32
PS
PSLB
PSLB
–
–
–
–
–
6-5/8
24.00
168.28
35.72
8.94
–
PSLBE
PLB
PLBE
PLBE
PLBE
PLBE
–
6-5/8
28.00
168.28
41.67
10.59
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
6-5/8
32.00
168.28
47.62
12.06
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
7
17.00
177.80
25.30
5.87
PS
–
–
–
–
–
–
–
7
20.00
177.80
29.76
6.91
PS
PS
PS
–
–
–
–
–
7
23.00
177.80
34.23
8.05
–
PSLBE
PLB
PLBE
PLBE
PLBE
–
–
7
26.00
177.80
38.69
9.19
–
PSLBE
PLB
PLBE
PLBE
PLBE
PLBE
–
7
29.00
177.80
43.16
10.36
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
7
32.00
177.80
47.62
11.51
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
7
35.00
177.80
52.09
12.65
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
7
38.00
177.80
56.55
13.72
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
7
42.70
177.80
63.54
15.88
–
–
–
–
–
P
–
–
7
46.40
177.80
69.05
17.45
–
–
–
–
–
P
–
–
7
50.10
177.80
74.56
19.05
–
–
–
–
–
P
–
–
7
53.60
177.80
79.77
20.62
–
–
–
–
–
P
–
–
7
57.10
177.80
84.97
22.22
–
–
–
–
–
P
–
–
7-5/8
24.00
193.68
35.72
7.62
PS
–
–
–
–
–
–
–
7-5/8
26.40
193.68
39.29
8.33
–
PSLBE
PSLB
PLBE
PLBE
PLBE
–
–
7-5/8
29.70
193.68
44.20
9.52
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
7-5/8
33.70
193.68
50.15
10.92
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
7-5/8
39.00
193.68
58.04
12.70
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
7-5/8
42.80
193.68
63.69
14.27
–
–
–
PLB
PLB
PLB
PLB
PLB
7-5/8
45.30
193.68
67.41
15.11
–
–
–
PLB
PLB
PLB
PLB
PLB
7-5/8
47.10
193.68
70.09
15.88
–
–
–
PLB
PLB
PLB
PLB
PLB
7-5/8
51.20
193.68
76.19
17.45
–
–
–
–
–
P
–
–
7-5/8
55.30
193.68
82.30
19.05
–
–
–
–
–
P
–
–
7-3/4
46.10
196.85
68.60
15.11
–
–
–
P
P
P
P
P
8-5/8
24.00
219.08
35.72
6.71
–
PS
PS
–
–
–
–
–
8-5/8
28.00
219.08
41.67
7.72
PS
–
PS
–
–
–
–
–
8-5/8
32.00
219.08
47.62
8.94
PS
PSLBE
PSLB
–
–
–
–
–
8-5/8
36.00
219.08
53.57
10.16
–
PSLBE
PSLB
PLBE
PLBE
PLBE
PLBE
–
8-5/8
40.00
219.08
59.53
11.43
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
8-5/8
44.00
219.08
65.48
12.70
–
–
–
PLBE
PLBE
PLBE
PLBE
8-5/8
49.00
219.08
72.92
14.15
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
9-5/8
32.30
244.48
48.07
7.92
PS
–
–
–
–
–
–
–
9-5/8
36.00
244.48
53.57
8.94
PS
PSLB
PSLB
–
–
–
–
–
9-5/8
40.00
244.48
59.53
10.03
–
PSLBE
PSLB
PLBE
PLBE
PLBE
–
–
9-5/8
43.50
244.48
64.73
11.05
–
–
PLB
PLBE
PLBE
PLBE
PLBE
–
9-5/8
47.00
244.48
69.94
11.99
–
–
PLB
PLBE
PLBE
PLBE
PLBE
PLBE
9-5/8
53.50
244.48
79.62
13.84
–
–
–
PLBE
PLBE
PLBE
PLBE
PLBE
9-5/8
58.40
244.48
86.91
15.11
–
–
–
PLB
PLB
PLB
PLB
PLB
9-5/8
59.40
244.48
88.40
15.47
–
–
–
–
–
P
–
–
9-5/8
64.90
244.48
96.58
17.07
–
–
–
–
P
–
–
9-5/8
70.30
244.48
104.62
18.64
–
–
–
–
–
P
–
–
9-5/8
75.60
244.48
112.50
20.24
–
–
–
–
–
P
–
–
10-3/4
32.75
273.05
48.74
7.09
PS
–
–
–
–
–
–
–
10-3/4
40.50
273.05
60.27
8.89
PS
PSB
PSB
–
–
–
–
–
10-3/4
45.50
273.05
67.71
10.16
–
PSBE
PSB
–
–
–
–
–
10-3/4
51.00
273.05
75.90
11.43
–
PSBE
PSB
PSBE
PSBE
PSBE
PSBE
–
10-3/4
55.50
273.05
82.59
12.57
–
–
PSB
PSBE
PSBE
PSBE
PSBE
–
10-3/4
60.70
273.05
90.33
13.84
–
–
–
–
–
PSBE
PSBE
PSBE
10-3/4
65.70
273.05
97.77
15.11
–
–
–
–
–
PSB
PSB
PSB
10-3/4
73.20
273.05
108.93
17.07
–
–
–
–
–
P
–
–
10-3/4
79.20
273.05
117.86
18.64
–
–
–
–
–
P
–
–
10-3/4
85.30
273.05
126.94
20.24
–
–
–
–
–
P
–
–
11-3/4
42.00
298.45
62.50
8.46
PS
–
–
–
–
–
–
–
11-3/4
47.00
298.45
69.94
9.53
–
PSB
PSB
–
–
–
–
–
11-3/4
54.00
298.45
80.36
11.05
–
PSB
PSB
–
–
–
–
–
11-3/4
60.00
298.45
89.29
12.42
–
PSB
PSB
PSB
PSB
PSB
PSB
PSB
11-3/4
65.00
298.45
96.73
13.56
–
–
–
P
P
P
P
P
11-3/4
71.00
298.45
105.66
14.78
–
–
–
P
P
P
P
P
13-3/8
48.00
339.72
71.43
8.38
PS
–
–
–
–
–
–
–
13-3/8
54.50
339.72
81.10
9.65
–
PSB
PSB
–
–
–
–
–
13-3/8
61.00
339.72
90.78
10.92
–
PSB
PSB
–
–
–
–
–
13-3/8
68.00
339.72
101.19
12.19
–
PSB
PSB
PSB
PSB
PSB
PSB
–
13-3/8
72.00
339.72
107.15
13.06
–
–
–
PSB
PSB
PSB
PSB
PSB
16
65.00
406.40
96.73
9.53
PS
–
–
–
–
–
–
–
16
75.00
406.40
111.61
11.13
–
PSB
PSB
–
–
–
–
–
16
84.00
406.40
125.01
12.57
–
PSB
PSB
–
–
–
–
–
16
109.00
406.40
162.21
16.66
–
P
–
P
P
–
P
P
18-5/8
87.50
473.08
130.21
11.05
PS
PSB
PSB
–
–
–
–
–
20
94.00
508.00
139.89
11.13
PSL
PSLB
PSLB
–
–
–
–
–
20
106.50
508.00
158.49
12.70
–
PSLB
PSLB
–
–
–
–
–
20
133.00
508.00
197.93
16.13
–
PSLB
–
–
–
–
–
–
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S\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014Short round thread; L\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014Long round thread; B\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014Trapezoidal thread; E\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u2014Direct connection type.
aThe code is for reference when ordering.bThe nominal weight per unit length (with thread and coupling) (column 2) shown is for reference only.cMartensitic chromium steels (L80 9Cr and 13Cr) have a different density than carbon steels. Therefore, the weights shown are not exact values \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u200b\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\u200bfor martensitic chromium steels. A weight correction factor of 0.989 may be used.