Wuxi Zhongxin Special Steel Co.，Ltd
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2507 (UNS S32750) is a super duplex stainless steel designed for applications which require exceptional strength and corrosion resistance. 2507 is a 25% chromium, 4% molybdenum, and 7% nickel alloy resulting in excellent resistance to chloride pitting and crevice corrosion attack. The duplex structure provides 2507 with exceptional resistance to pitting and chloride stress corrosion cracking.
Produc Forms : Sheet, plate , Coil , Strip .wire , Pipe, Tube ,Bar , Profile, Round, Flat, Square, Hexagonal
Duplex 2507 Specification
| Grade | UNS | Industry Specifications |
|---|---|---|
| 2507 Stainless Steel | UNS S32750 | ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988 |
|
| UNS S32760 | ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988 |
Dimension Ranges:
Width: 600mm~2030 mm
Thickness: 2~120.0 mm
Length: 300~6000 mm , Max 18000 mm
Surface Finish: No.1, 2B, BA, No.3, No.4, No.5, No.8, HL, Etching, SB, Ti-coating,color-coating ,embossing .
Super Duplex Alloy 2507 Stainless Steel sheets AstmA790 Application
Super Duplex 2507 is widely used in the following sectors:
Power
Marine
Chemical
Pulp and paper
Petrochemical
Water desalinization
Oil and gas production
Products made using Super Duplex 2507 include:
Fans
Wire
Fittings
Cargo tanks
Water heaters
Storage vessels
Hydraulic piping
Heat exchangers
Hot water tanks
Spiral wound gaskets
Lifting and pulley equipment
Propellers, rotors, and shafts
| UNS S32750 equivalents | |
| DIN 1.4410 | SAE A182 F53 |
| DIN GX10CrNiMo18-9 | SAE S32750 |
| AFNOR Z3CND25-06Az | EN X2CrNiMoN25-7-4 |
| AISI A182 F53 | EN 1.4410 |
| AISI S32750 | GB 022Cr25Ni7Mo4N |
Chemical Composition
The chemical composition of stainless steel grade Super Duplex 2507 is outlined in the following table.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 24 – 26 |
| Nickel, Ni | 6 – 8 |
| Molybdenum, Mo | 3 – 5 |
| Manganese, Mn | 1.20 max |
| Silicon, Si | 0.80 max |
| Copper, Cu | 0.50 max |
| Nitrogen, N | 0.24 – 0.32 |
| Phosphorous, P | 0.035 max |
| Carbon, C | 0.030 max |
| Sulfur, S | 0.020 max |
| Iron, Fe | Balance |
Physical Properties
The physical properties of stainless steel grade Super Duplex 2507 are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm3 | 0.281 lb/in3 |
| Melting point | 1350°C | 2460°F |
Stock and Packing
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free . Freight charge collect
Q:What information should i provide to source for the right products ?
A: Material grade, width, thickness, coating and Purchase quantity , Expected lead time ,etc
Q: What are the shipping ports?
A: Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you
can choose other ports according to your needs.
Q: About product prices?
A: Prices vary from period to period due to cyclical changes in the price of raw materials.
Q: How long does your delivery time take?
A: In general, our delivery time is within 5-45 days, and may be delayed if the demand is extremely
large or special circumstances occur.
Q: Can I visit your location?
A: Of course, we welcome customers from all over the world to visit our factory. However, some
of the plants are not open to the public.
Q: Does the product have quality inspection before loading?
A: Of course, all our products are strictly tested for quality before packaging, and unqualified
products will be destroyed.We provide All original Mill test certificate and support third party inspection.
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation
wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q: What is your working time?
A: In general, our online service time is Beijing time: 8:00-22:00, after 22:00,
we will reply to your inquiry during the next working day.