Super Duplex S32750 Characteristics
S32750 is the standard grade of super-duplex stainless steel based on 25% chromium, 7% nickel and significant additions of molybdenum, manganese and nitrogen. As with many of the duplex grades, S32750 also offers high strength and excellent resistance to chloride stress corrosion cracking, while the molybdenum and nitrogen levels enhance the pitting, crevice and general corrosion resistance.Stainless steel Super Duplex 2507 is designed to handle highly corrosive conditions and situations were high strength is required.
Super Duplex stainless steel S32750 Chemical Composition, %
|
Grade |
C≤ |
Mn≤ |
P≤ |
S≤ |
Si≤ |
Ni |
Cr |
Mo |
N |
Cu≤ |
|
S32750 |
0.03 |
1.20 |
0.035 |
0.02 |
0.80 |
6.0-8.0 |
24.0-26.0 |
3.0-5.0 |
0.24-0.32 |
0.5 |
Super Duplex stainless steel 2507 Mechanical Properties
|
Grade |
Tensile, min, ksi[MPa] |
Yield, min, ksi[MPa] |
Elongation, %(min) |
Hardness, HB(max) |
|
S32750 |
116 [795] |
80 [550] |
15 |
310 |
Physical properties
Density: 7.81 g/cm3
Super Duplex 1.4410 Equivalent Grades
|
STANDARD |
WERKSTOFF NR. |
UNS |
EN |
|
Super Duplex S32750 |
1.4410 |
S32750 |
X2CrNiMoN25-7-4 |
ASTM Specifications
|
Pipe |
Tube |
Pipe |
Sheet/Plate |
Bar /Rod |
Forging /Flange |
BW Fittings |
|
ASTM A790 |
ASTM A789 |
ASTM A928 |
ASTM A240 |
ASTM A276/A479 |
ASTM A182 |
ASTM A815 |
Application
1. Oil and gas industry equipment
2. Offshore platforms, heat exchangers, underwater equipment, fire-fighting equipment
3. Chemical processing industry, pipeline
4. Desalination plants, high pressure reverse osmosis plants and subsea pipelines
5. Mechanical parts (high-strength, corrosion-resistant parts)
6. Energy industry FGD system, industrial washing system, absorption tower
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