Donghao Metal has been served the sanitary, dairy, food and beverage field since 2010.
After electropolished to meet Ultra high purity or chemically cleaning, Thermocouple Cleaning.
Size Range
O.D : 0.375" -- 2.0"
W.T : 0.028" - 0.145"
Available Material
Elements | 304L | 316L | 316L-S2 |
( C ) Carbon - max | 0.03 | 0.03 | 0.03 |
(Mn) Manganese-max | 2.00 | 2.00 | 2.00 |
(P) Phosphorus-max | 0.045 | 0.045 | 0.045 |
(S) Sulphur | 0.03 | 0.03 | 0.005-0.017 |
(Si) Silicon-max | 0.75 | 0.75 | 0.75 |
(Ni) Nickel | 8.0-12.0 | 10.0-14.0 | 10.0-14.0 |
(Cr) Chromium | 18.0-20.0 | 16.0-18.0 | 16.0-18.0 |
(Mo) Molybdenum | N/A | 2.0-3.0 | 2.0-3.0 |
Quality Tests
ASTM A270/A1016, DIN11850/DIN2463
(Flaring,Flattening,Flange,Bending)
ASME/ANSI B46.1
Surface Roughness
Eddy Current / Hardness / Dimensional / Metallurgical
Features
O.D : Mechanical Polish ( 32 Ra )
I.D : Mechanical Polish ( 20Ra )
Hydrogen Bright Annealed : 25Ra I.D
EP: 20 μ-in Ra (0.5 μm) ID, 30 μ-in Ra (0.8 μm) OD
Packings
All material is end capped and vacuum poly sleeved.
Tubes are packaged in plywood case / wood case.
Flumigation Wood Case upon customers' request.