Iso 2553 s

predavanje

2. Square Groove Weld
Single V Groove Weld

3. Single Bevel Groove Weld
Single V Groove Weld with Broad Root Face

4. Single Bevel Groove Weld with Broad Root Face
Single U Groove Weld

5. Single J Groove Weld
Backing Weld

6. Fillet Weld
Plug / Slot Weld

7. Spot Weld
Seam Weld

8. Edge Weld
Surfacing

9. Flat
Convex Concave
Weld Profile

10. Toes blended
smoothly
Permanent
Backing Strip
M
Removable
Backing Strip
MR

11. Peripheral Welds

12. Site welds

13. Tail Optional)
Sequence of Information in the Tail
• Process (as per ISO 4063)
• Acceptance Level (as per ISO 5817 or ISO 10042)
• Working Position (as per ISO 6947)
• Filler Materials (as per ISO 544 or ISO 2560 or
ISO 3581)

14. Method of representation
Weld Joint
Arrow
Line
Reference Line (Continuous)
Reference Line (Dashed)

15. Welding on the Arrow Side
Arrow Side
Other Side

16. Welding on the Other Side
Arrow Side
Other Side

17. Welding on the Other Side
Other
Side
Arrow
Side

18. Welding on the Arrow Side
Other
Side
Arrow
Side

19. Which is the Other Side in this case?
Side A
Side C
Side B
Side D

20. Welding on both Sides
Other Side
Arrow Side

21. Symmetric Welding on both Sides

22. Pointing of Arrows for Bevel and J Joints
OR

23. Pointing of Arrows for Bevel and J Joints

24. Butt Joints
l
sl
s

25. Fillet Welds
z5l
5
5
a5l
5

26. Fillet Welds
a a a

27. Intermittent Fillet Welds
l
(e)
l
(e)
z n x l (e)
z n x l (e)

28. Staggered Intermittent Fillet Welds
z n x l (e)
z n x l (e)
l(e)l(e)
l (e)l(e)

29. Spot Weld
d n (e)
d
e e

30. Seam Weld
d n x l (e)
d
l e

31. Plug Weld
d n (e)
d
e e

32. Slot Weld
d n x l (e)
d
l
e

34. Poor penetration
Poor strength
Good penetration
Good strength
(100% joint
efficiency)

35. Factors which influence choice of edge preparation
-Thickness
-Material
-Welding process
-Extent of penetration required
-Welding distortion
-Cost

36. butt
tee
lap
corner
edge

37. Groove welds
Fillet weld
Plug / slot weld
Spot / seam weld

38. Square Groove weldV Groove weld
U Groove weldBevel Groove weld
J Groove weld

39. Double V Groove weld
Double U Groove weld
Double Bevel Groove weld
Double J Groove weld

41. Plug / slot weld
Spot / seam weld
Fillet weld

43. Edge weld

44. Square Groove weld
Root gap

45. Single V Groove weld
Groove angle 
Root face
Root gap

46. Correct
reinforcement
Minimum cost
Good joint
strength
Excess
reinforcement
High cost
Poor joint strength
Under
reinforcement
Poor joint strength

47. Weld from face side
Back gouging
Back weld

48. Backing weld
Back gouging

49. TIG / SMAW
welding
Consumable
guide

50. Less weld metal
Less distortion
Higher edge preparation cost
Better for thickness > 20 mm
More weld metal
More distortion
Lower edge preparation cost
Better for thickness < 20 mm
Double V groove
Single V groove

51. Good access at the root
Less weld metal
Higher edge preparation cost
Better for thickness > 40 mm
Groove angle
Root face
Root gap
Root radius

52. Double bevel groove
Single bevel groove
Bevel angle 40 to 50°
Difficult to approach
the root
Weld defects
Back gouging to
remove root defects
Good weld quality

53. Good access at the root
Back gouging and back welding to get good weld quality
Less weld metal
Higher edge preparation cost
Better for thickness > 40 mm

54. leg
leg throat
throat = 0.707 x leg
leg = 1.414 x throat
In a full strength
joint, leg = 0.75 x
thickness

55. leg = throat leg = throat
45°or 60°

56. Theoretical throat
Actual throat
AWS D 1.1 recommendation when gap > 1.6 mm –
to increase leg size of fillet by the amount of gap

57. AWS D 1.1 recommendation
Overlap = 5 x thickness (1 inch minimum)
Gap between mating faces = 1.6 mm max
overlap

58. 1 G
2 G
3 G
4 G

59. 1 G 2 G
5 G 6 G
45°

60. 1F
2F
3F
4F

61. 1F
2F
5F

62. Position Inclination of axisRotation of face
Flat 0°to 15° 150°to 210°
Horizontal 0°to 15° 80°to 150°
210°to 280°
Overhead 0°to 80° 0°to 80°
280°to 360°
Vertical 15°to 80° 80°to 280°
80°to 90° 0°to 360°

63. Position Inclination of axisRotation of face
Flat 0°to 15° 150°to 210°
Horizontal 0°to 15° 125°to 150°
210°to 235°
Overhead 0°to 80° 0°to 125°
235°to 360°
Vertical 15°to 80° 125°to 235°
80°to 90° 0°to 360°