
800:1. The heating element tube has excellent mechanical properties. 2. It is resistant to corrosion during processing due to vinegar cracking. For applications in environments up to 600 ° C, the alloy supply state is annealed. For applications in high temperature environments, the alloy supply state is solid solution annealed. 810:1. The nitric acid condenser is resistant to nitric acid corrosion. 2. The steam heating tube has excellent mechanical properties. 3. The heating element tube has excellent mechanical properties for applications in environments up to 500 ° C. The supply state of the alloy is annealed.