Standard: ASTM A269/ASME SA269
Material: 304, 304L, 316, 316L, 321, 347
Size: OD (6-159mm) x WT (1-15mm)
Application: Boiler, Heat Exchanger, etc.

Inspection items:
1, Chemical Composition
2, Size
3, Flaring test(seamless)
4, flanging test(welded)
5, Bending test
6, Hydrostatic Test or Eddy current test or Ultrasonic test
7, Surface quality
8, Hardness

Negotiated items:
1, Intercrystalline corrosion test
2, Stabilization heat treatment
3, BKS tube
4, Air pressure test under water.