Material standard requirements for stainless steel heat exchange tubes!

TP304L-316L Bright Annealed Tube

TP304L-316L Bright Annealed Tube

TP304L-316L Bright Annealed Tube

TP304L-316L Bright Annealed Tube

TP304L-316L Bright Annealed Tube

Seamless Bright Annealing Stainless Steel Tube

Seamless Bright Annealing Stainless Steel Tube

Seamless Bright Annealing Stainless Steel Tube