Stainless steel U tubes /U bend pipe is usually delivered as one of the typical type of heat exchagner tubes.
1) Product standards:
Seamless stainless steel U tube is usually manufactrued and inspected under standards of heat exchanger tubes as below::
- EN 10216-5 TC1/TC2
- ASTM A 213,
ASTM A 312,
Other standards such as GOST, JIS, DIN on customers requests.
2) Size range:
O.D: 9.53 to 42 mm.
W.T: 0.5 - 8 mm
Bending radius, leg length of U bend pipes are on customer's requests.
3) Materials / steel grades:
The available steel grades of U bend pipes are the same as heat exchanger tubes.
4) Heat treatment:
We supply U bend pipes mostly in solution annealed and pickled condition, but we can also supply stainless steel u bent tube in stress relieving and stabilization condition.
5) Cutting, Clean of U bent tube
The stainless steel U pipe is cut to the requested leg lengths, ends are deburred and the inside of tubes cleaned with compressed air.