What is BS EN 3894- Heat resisting alloy NI-WD3201 for aerospace series about?
BS EN 3894 is an international standard that discusses filler metal for welding.
BS EN 3894 specifies the requirements relating to:
- Heat resisting alloy NI-WD3201 (NiMo25Fe6Cr5)
- Filler metal for welding
for aerospace applications.
BS EN 3894 provides the material designation, product qualification, and technical specification of the filler wire for welding.
Who is BS EN 3894- Heat resisting alloy NI-WD3201 for aerospace series for?
BS EN 3894 on heat-resisting alloy NI-WD3201 for aerospace series is relevant to:
- Manufacturers of aerospace equipment and components
- Manufacturers of heat-resisting alloys
- Manufacturers and suppliers of filler metal for welding
- Quality assurance personnel
- Metallurgical engineers 
- Aeronautical engineers  
- Aerospace engineers  
- Aerospace and defence industries 
- Testing authorities
Why should you use BS EN 3894- Heat resisting alloy NI-WD3201 for aerospace series?
Heat-resisting alloys are commonly used where applications require resistance to thermal cycling, creep, stress rupture and high-temperature strength. 
BS EN 3894 is part of the series of EN metallic materials for aerospace applications. The general organization of this series is described in EN 4258.
BS EN 3894 has been prepared in accordance with EN 4500-3. It assists with the chemical composition, method of melting, and method of production. It covers all the requirements for heat-resisting alloy and filler wire for welding.
BS EN 3894 creates a standardized approach for manufacturers of heat-resisting alloy and filler wire for welding and to adhere to if they supply their metallic materials for use by the aerospace and defence industry. 
By adopting BS EN 3894, manufacturers can demonstrate the reliability of their metallic materials products and build trust for their use throughout the aerospace supply chain
