GENERAL INFORMATION
DHW 2205 - duplex stainless steel is used in wells with an average concentration of CO2 up to 35%, without H2S content and with a chloride content up to 30%, where the partial pressure of H2S is at most 3%. Wire DHW 2205 is characterized by excellent resistance to pitting corrosion, is also resistant to corrosion caused by chlorides, shows high resistance to general corrosion.
MAIN DELIVERY CONDITIONS
Wire DHW 2205 is supplied seamless, without welded joints, on metal coils in protective packaging for safe transportation.
The wire is supplied in length, the maximum winding on the drum is 30’000 feet or 9’145 meters.
PHYSICAL PROPERTIES AT 20°С
|
Density |
7,8 g/cm3 |
|
Melting range, |
1455-1460 оС |
|
Heat conductivity |
14,0 W/(m·оС) |
|
TCLE, (from 20 оС to 100 оС) |
0.13 mm/m· оС |
|
Electric resistance |
0,85 µΩ·m |
|
Elastic modulus |
16х10⁴ N/mm2 |
|
Magnetical inductive capacity |
≥ 25 |
Classification
|
UNS |
S32205/S31803 |
|
W.Nr. |
1.4462 |
Chemical composition, %
|
С |
Si |
Mn |
P |
S |
|
≤0.030 |
≤1.0 |
˂2.0 |
≤0.035 |
≤0.015 |
|
Cr |
Ni |
Mo |
N |
|
|
21.0-23.0 |
4.5-6.5 |
2.5-3.5 |
0.1-0.22 |
|
Mechanical properties at 20°С
Wire DHW 2205 is tested and certified for the minimal nominal rate of tensile strength. Admissible resistance is in limits of 80-90% of tensile strength. It means, that wire DHW 2205 can resist to big loadings without residual deformation of a wire.
|
Sizes, mm |
Tensile strength, MPa |
Yield strength, MPa |
|
2,34 |
≥1700 |
≥1530 |
|
2,74 |
≥1620 |
≥1458 |
|
3,18 |
≥1570 |
≥1413 |
|
3,56 |
≥1520 |
≥1368 |
|
4,06 |
≥1450 |
≥1305 |
SIZES OF WIRE BHW®2205SH
|
Diameter, mm |
Diameter, in" |
|
2,34 |
0,092 |
|
2,74 |
0,108 |
|
3,18 |
0,125 |
|
3,56 |
0,140 |
|
4,06 |
0,160 |