High Sodium Lamps Materials Niobium Tube Rust Proof Uniform Wall Thickness

Purity: 

Welded Tube/Pipe

(Fit for mass production)

• Uniform wall thickness, internal surface is in good quality
• High production efficiency and low costs
• Easy to manufacture larger diameter tubes/pipes
• Short production term
• Easy to control prodcts quality

• Poor flexibility, not available to produce various of specifications but small quantity products
• Welding seam is hard and require skilled person and easy to cause troubles
• Difficult to clean the welding line
• Difficult to control ovality
• Strict dimension requirements for tantalum strips

Seamless Tube/Pipe

(Fit for customized production)

• Available to produce small specification tubes/pipes and capillary tube/pipe
• Excellent flexibility, available to produce various of specifications but small quantity products
• Uniform performance of the whole tube/pipe

• Uniformity of the wall thickness is difficult to control
• Longer productivity term but lower finished products rate
• Complexed equipment requires high investment capital
• Hard to product large diameter tube/pipe