10.5 PREHEATING

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Typical PWHT Chart
PWHT Chart
Page 1 and 2: 10.5 PREHEATING
Page 3 and 4: Preheating
Page 5 and 6: Preheating
Page 7 and 8: • Bring temperature up to preheat
Page 9 and 10: Preheat can be applied using severa
Page 11 and 12: The temperature of PWHT is selected
Page 13 and 14: Discussion: However there may also
Page 15: Typical PWHT Chart Insertion temper
Page 19 and 20: PWHT
Page 31 and 32: PWHT- Local
Page 39 and 40: PWHT- Equipments
Page 47 and 48: Fun-Photo: Induction Bending Pipe b
Page 49 and 50: Fun-Photo: Induction Bending Pipe b
Page 51 and 52: Other factors can also affect harde
Page 53 and 54: http://www.azom.com/article.aspx?Ar
Page 56 and 57: Welding variables, such as heat inp
Page 58 and 59: Welding- Plate thickness & Weld Geo
Page 60 and 61: Weld Macro- Geometry
Page 66 and 67:
The simplest means to determine har
Page 68 and 69:
Jominy Bar
Page 70 and 71:
Jominy Bar
Page 72 and 73:
It may be important for the welding
Page 74 and 75:
Typical Hardness Values Table 11—
Page 76 and 77:
HIC
Page 78 and 79:
HIC- Hydrogen Induced Cracking
Page 80 and 81:
TTT Curve
Page 82 and 83:
Martensite
Page 84 and 85:
10.8 MATERIAL TEST REPORTS Material
Page 86 and 87:
Billets/Ingots
Page 88 and 89:
Billets/Ingots
Page 90 and 91:
Billets/Ingots
Page 92 and 93:
Billets/Ingots
Page 94 and 95:
Billets/Ingots
Page 96 and 97:
Billets/Ingots
Page 98 and 99:
Product analysis- Pipe
Page 100 and 101:
For the purposes of this publicatio
Page 102 and 103:
Ductile to brittle transition tempe
Page 104 and 105:
Fracture toughness
Page 106 and 107:
Charpy impact testing
Page 108 and 109:
Elevated mechanical property testin
Page 110 and 111:
Further Reading
Page 112 and 113:
Quiz 1) See the figure below for po
Page 114:
c) 50% coarse pearlite + 25% bainit
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10.5 PREHEATING

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