Client
Project
Project Reference
Date and Engineer
Bolt Tensioning Datasheet
Flange
Specification
Ident
Joint Information
Nom Thread Size
TPI
Num Bolts
Bolt to Tensioning Ratio
Load Transfer Factor LTF
Clamp Length
Tensioning Tool Information
Proposed Tensioning Tool
Tool Pressure Area
RN
Bolt Information
Bolt Material
Bolt Yield Strength
Stress Area
Bolt Length
Torque Information
Torque
K Factor
Load information
17/02/2020
24 x 900 ANSI
ANSI B16.5 & MSS-SP44
NEW APPLICATION
2,1/2"-8UN
8
Flange Configuration
F1
155,60
WN-RTJ
F2
155,60
WN-RTJ
In
321,20
In2
8489,95
20
Gap
1,2077
12,646
Ws
50%
CTST-04
13,159
ASTM A193 - B7
105152
lb/in2
20,52
In
4,459
4165,01
0.16
lbs/in2
Proposed Tensioning Tool
In2
ft.lb
Bolt Stress
10
mm
Tensioner
mm2
725
N/mm2
521,2
mm
2876,77
5647,00
N/mm2
Pass
Bolt #
Pass 1
1
13761
949
1
11467
791
Pass 2
Pass 3
mm2
Applied Pressure
2
psi
11467
bar
791
Pass 4
Checking Pass
Pass 1
N.m
Pass 1
Tons
Bolt Load
1
11467
791
% of Bolt Yield
kN
%
T1 @ A Pressure
40611
280,00
80,84
805,50
38,6
T2 Residual
28022
193,21
55,78
555,81
26,6
T1 @ B Pressure
Stress @ Detensioning
Tensioning Pressures
100% Tensioning Pressures
50% Tensioning Pressures
Max Detensioning Pressures
33842
psi
11467
13761
233,33
1st Pass
67,37
Bar
psi
949
11467
791
-
671,25
2nd Pass
32,2
% of Bolt Yield
Bar
%
-
32,2
791
38,6
Stresses based on Bolt Tensile Stress Area (BS1580 / BS3643).
Torque calc based on NUT FACTOR (K= 0.16) 'An introduction to the Design and Behaviour of Bolted Joints' Bickford, p. 233.
Application Comments
Max Detensioning Pressure refers to the maximum capacity of the tensioning tool and should not be considered to be the safe max load capacity of the flange
100% Tensioning is the recommended mode of bolt tensioning, wherever possible use 100% Bolt to tool ratio
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