MetFab - Welding Fume Handbook - Flipbook - Page 3
1 Introduction
2 Particulate fume
Formation/Composition
Health effects
3 Gases
Formation/Composition
4
5
6
7
8
4
5
9
2.2
9
9
Health effects
10
Health and safety regulations in the UK
Exposure limits in the UK
Regulations and exposure limits outside the UK
Emission rates: general factors
Effect of shielding gas: particulate fume
12
20
Mild/carbon steel welding
20
Stainless steel welding
51
Aluminium welding
25
9 Effect of shielding gas: ozone
14
16
17
26
Mild/carbon steel welding
26
Stainless steel welding
30
Aluminium alloy welding
34
10 Effect of shielding gas: carbon monoxide
35
Mild/carbon steel welding
35
Stainless steel welding
38
Calculating exposure from emission rates
39
11 Control
12 Recommended gases
42
Mild/carbon steel welding
42
Stainless steel welding
43
Aluminium welding
44
11
3
