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Material 1.4501
Duplex Superduplex
"The material 1.4501 is an austenitic ferritic stainless steel. The material belongs to the group of super duplex steels. The two-phase structure brings together the positive properties of austenitic and ferritic stainless steels. These properties are reflected in the good corrosion resistance and the high strength values. 1.4501 is often used if the resistance of grade 1.4462 is not sufficient. The material is widely used in the chemical industry, in the oil industry, water management, on and offshore industry. The Pren value for the material 1.4501 is between 38 - 46%. Value indicates how corrosion-resistant a stainless steel is to corrosion.The material is considered resistant to seawater from a Pren value of 32. The Pren value is calculated using the formula: %Cr + 3.3XMo + 16x%N. 1.4501 has a density of 7.8 (g/cm³)."
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Standards
| HDIN / EN | US-Standard | AFNOR | UNI | JIS | request |
|---|---|---|---|---|---|
| X2CrNiMoCuWN25-7-4 | UNS S32760 ASTM A182F55 | request |
Material Category: Duplex Superduplex
Applications
seawater desalination
shipbuilding
Chemical industry
heat exchanger
Oil and gas production
pump
Heat Treatment
solution annealed
Weldability
The material 1.4501 can be welded well.
Chemical Composition
| C % | Si % | Mn % | P % | S % | Cr % | Cu % | Mo % | N % | Ni % | W % | |
| max 0,03 | max 1,00 | max 1,00 | max 0,035 | max 0,015 | 24,00 - 26,00 | 0,50 - 1,00 % | 3,00 - 4,00 | 0,200 - 0,300 | 6,00 - 8,00 | 0,50 - 1,00 |
Product Specifications
DIN EN 10028-7 , DIN EN 10216-5
DIN EN 10088-1 , DIN EN 10217-7
DIN EN 10088-2 , DIN EN 10222-5
DIN EN 10088-3 , DIN EN 10250-4
DIN EN 10272
ASTM A182 , ASTM A276, ASTM A479
NORSOK
Mechanical Properties
| 1.4501 Flat steel | ||
| Yield strength Rp0.2 | Samples | Tempereature |
| >= 500 N/mm² | Lengthwise | ~ 50 C° |
| >= 500 N/mm² | crosswise | ~ 50 C° |
| >= 450 N/mm² | Lengthwise | ~ 100 C° |
| >= 450 N/mm² | crosswise | ~ 100 C° |
| >= 420 N/mm² | Lengthwise | ~ 150 C° |
| >= 420 N/mm² | crosswise | ~ 150 C° |
| >= 400 N/mm² | Lengthwise | ~ 200 C° |
| >= 400 N/mm² | crosswise | ~ 200 C° |
| >= 380 N/mm² | Lengthwise | ~ 250 C° |
| >= 380 N/mm² | crosswise | ~ 250 C° |
| Tensile strength Rm | ||
| >= 711 N/mm² | ~ 50 C° | |
| >= 680 N/mm² | ~ 100 C° | |
| >= 660 N/mm² | ~ 150 C° | |
| >= 640 N/mm² | ~ 200 C° | |
| >= 630 N/mm² | ~ 250 C° | |
| Hot rolled sheet | Yield strength Rp 0,2 | Samples | Temperature |
| <= 50 mm | >= 515 N/mm² | Lengthwise | ~ 20 C° |
| <= 50 mm | >= 530 N/mm² | crosswise | ~ 20 C° |
| Tensile strength Rm | |||
| <= 50 mm | 730 - 930 N/mm2 | ~ 20 C° | |
| Elongation A5 % | |||
| 3 - 50 mm | >= 25 % | Lengthwise | ~ 20 C° |
| 3 - 50 mm | >= 25 % | crosswise | ~ 20 C° |
| Elongation (A 50mm) | |||
| <= 3 mm | >= 25 % | Lengthwise | ~ 20 C° |
| <= 3 mm | >= 25 % | crosswise | ~ 20 C° |
| Elongation (A 80mm) | |||
| <= 3 mm | >= 25 % | Lengthwise | ~ 20 C° |
| <= 3 mm | >= 25 % | crosswise | ~ 20 C° |
| Impact Test (ISO-V/Charpy-V) | |||
| <= 50 mm | >= 40 JOULE | crosswise | ~ 40 C° |
| <= 50 mm | >= 150 JOULE | Lengthwise | ~ 20 C° |
| <= 50 mm | >= 90 JOULE | crosswise | ~ 20 C° |
| Forged pieces DIN EN 10222-5 | Yield strength Rp0,2 | Samples | Temerature |
| >= 450 N/mm² | ~ 100 C° | ||
| >= 420 N/mm² | ~ 150 C° | ||
| >=400 N/mm² | ~ 200 C° | ||
| >= 380 N/mm² | ~ 250 C° | ||
| <= 160 mm | >= 530 N/mm² | ~ 20 C° | |
| Tensile strength Rm | |||
| >= 680 N/mm² | ~ 100 C° | ||
| >= 660 N/mm² | ~ 150 C° | ||
| >= 400 N/mm² | ~ 200 C° | ||
| >= 380 N/mm² | ~ 250 C° | ||
| <= 160 mm | 730 - 930 N/mm² | ~ 20 C° | |
| Elongation A5 % | |||
| <= 160 mm | >= 25 % | Lengthwise | ~ 20 C° |
| <= 160 mm | >= 20 % | crosswise | ~ 20 C° |
| <= 160 mm | >= 20 % | tangential | ~ 20 C° |
| Impact Test (ISO-V/ Charpy V) | |||
| <= 160 mm | >= 150 JOULE | Lengthwise | ~ 20 C° |
| <= 160 mm | >= 90 JOULE | crosswise | ~ 20 C° |
| <= 160 mm | >= 90 JOULE | tangential | ~ 20 C° |
| Steel bars DIN EN 10272 | Yield strength Rp0,2 | Samples | Temperature |
| >= 450 N/mm² | ~ 100 C° | ||
| >= 420 N/mm² | ~ 150 C° | ||
| >= 400 N/mm2 | ~ 200 C° | ||
| >= 380 N/mm² | ~ 250 C° | ||
| <= 160 mm | >= 530 N/mm² | ~ 20 C° | |
| Tensile strength Rm | |||
| >= 680 N/mm² | ~ 100 C° | ||
| >= 660 N/mm² | ~ 150 C° | ||
| >= 640 N/mm² | ~ 200 C° | ||
| >= 630 N/mm² | ~ 250 C° | ||
| <= 160 mm | 730 - 930 N/mm² | ~ 20 C° | |
| Elongation A5 % | |||
| <= 160 mm | >= 25 % | Lengthwise | ~ 20 C° |
| Hardness HBW | |||
| <= 160 mm | <= 290 HBW | ~ 20 C° | |
| Impact Test (ISO-V/Charpy-V) | |||
| <= 160 mm | >= 40 Joule | Lengthwise | ~ 40 C° |
| <= 160 mm | >= 100 Joule | Lengthwise | ~ 20 C° |
Material request