ASTM A312 TP309S Welded Polished Pipe
Technique: Welded
Surface Treatment: Bright
Delivery Time: 7-10 Days
Sample：Available
Transport Package:Waterproof Packaging
Specification: 1-250mm
Production Capacity：300000 Ton/Month
ASTM A312 TP309S Welded polished pipe introduction
ASTM A312 TP309S welded polished pipe is an austenitic stainless steel pipe designed for high temperature and corrosive environments. It can withstand repeated heating below 980℃. After precision welding and polishing, the surface roughness of the pipe can reach Ra≤0.6μm, which is suitable for food, pharmaceutical, chemical and other fields with high cleanliness requirements.
ASTM A312 TP309S welded and drawn tubing
Advantages of ASTM A312 TP309S stainless steel pipe
ASTM A312 TP309S stainless steel welded pipe adopts TIG/MIG welding process, the weld is uniform and firm, without porosity defects, and is suitable for complex structure installation. The high chromium content (22-24%) forms a dense chromium oxide layer to prevent oxygen penetration and extend the service life. It can be used for a long time below 980℃, and its resistance to thermal deformation is better than that of ordinary stainless steel (such as TP304), and it is suitable for industrial furnace tubes, heat exchangers, incinerators and other scenes.
Why choose GNEE
Through vacuum melting, the Mo content is precisely controlled, and the pitting resistance is more than 20% better than that of conventional 316L welded pipes.
Fully automatic ERW welding machine + online solution treatment, weld pass rate ≥ 99.8%, ASME BPVC, PED certification;
Conventional specifications are shipped within 72 hours, small batch customization is supported (minimum order quantity 10 pieces), and corrosion test reports and material certificates are provided free of charge.
ASTM A312 TP309 Welded Mirror Pipe Specifications
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