Astm B474. Standard specifications are from welded nickel and nickel alloy pipes.
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Application area ASTM B474
This specification covers welded butt-welded pipes (by electric fusing) intended for use in high temperature environments and possible corrosion. In commercial practice, they are usually limited to sizes of nominal diameters of at least 8 inches (203 mm). Supplier Auglob offers to buy nickel rolled products at a bargain price. We guarantee timely delivery of products to any specified address. The price is the best in this segment of rental. This specification includes five classes of pipes:
- Class 1. The pipe must be welded by butt welding with a double-sided seam, using metal fusion at all passes, with obligatory radiographic control.
- Class 2. The pipe must be welded by butt using a double-sided weld using metal fusion at all passes. Radiography is not required.
- Class 3. The pipe must be welded by a one-sided seam using the fusion of metal in all passes, with obligatory radiographic control.
- Class. 4. The same type of welding as for Class 3 pipes, except that when welding through the inner surface of the pipe, it is possible not to use metal fusing.
- 5. The pipe is welded with a double-sided seam using metal fusing at all passes. Local radioradiography is required.
Delivery, price
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