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UNS S32750 Super Duplex Steel Pipes & Tubes
2507 / 1.4410 is a super duplex stainless steel with 25% chromium, 4% molybdenum, 7% nickel . This kind of pipes always purchased by the clients who are require exceptional strength and corrosion resistance . The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity and a low coefficient of thermal expansion. And the high chromium, molybdenum, and nitrogen levels provide excellent resistance to pitting, crevice, and general corrosion.
Most of 2507 / 1.4410 duplex steel pipes are produced by cold drawn method . The alloy has higher yield strength and lower ductility than austenitic steels so fabricators may fid that higher forming forces , increased radius of bending , and increased allowance for springback are necessary . Deep drawing , stretch forming , and similar processes are more difficult to perform on 2507 than on an austenitic stainless steel . When forming requires more than 10% cold deformation , a solution anneal and quench are recommended . And finished cold drawn duplex steel pipe , manufacturer should be solution annealed and quenched . The minimum annealing tempeture is 19250F . Annealing should be followed immediately by a rapid air or water quench. To obtain maximum corrosion resistance, heat treated products should be pickled and rinsed .
| STANDARD | UNS | WERKSTOFF NR. |
| Super Duplex S2507 | S32750 | 1.4410 |
Specfication
| Material Grade | S32205 , S31803 , S32304 , S32750, F51 , F53 , 2205 , 2507 etc |
| Outer Diameter | 5.80mm – 323.90mm (0.23″ to 12″) |
| Wall Thickness | 0.71mm – 25.4mm (0.04″ to 1″) |
| Length | as per customer�s requirement |
| Standard | ASTM A789 ; ASTM A790 ; EN 10216-5ect . |
| Application | a) Petroleum |
| b) Chemical industry | |
| c) Instrument | |
| d) Industrial transportation | |
| e) Mechanical structure industry | |
| f) Need high corrision ability pipe’s industry , such as offshore industry etc | |
| Advantages | a) Superior surface finish |
| b) Better mechanical property | |
| c) More precise dimension | |
| d) Perfect inspection method and inspection equipment |
Chemical Composition :
| UNS No | Grade | C | Si | Mn | P | S | Cr | Mo | Ni | N | Other |
| S32750 | 2507 | 0.030 | 0.80 | 1.20 | 0.035 | 0.020 | 24.0/26.0 | 3.0/5.0 | 6.00/8.00 | 0.24/0.32 | Cu:0.50 |
Mechanical Properties:
| UNS No | Grade | Proof Stress0.2% (MPa) | Tensile Strength(MPa) | ElongationA5(%) | Hardness Max | |
| HB | HRB | |||||
| S32750 | 2507 | 550 | 795 | 15 | 310 | 32* |
Type Of UNS S32750 Super Duplex Steel Seamless Pipes & Tubes
Applications:
Available Super Duplex Stainless Steel Pipes
Type Of Super Duplex Stainless Steel Pipes
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| Stainless Duplex Steel Pipe A789 S32750 2507 SA789 S31803 2205
| 2 Inch ASTM A789 S32750 F60 Seamless Duplex Pipe 60.3mm Outer Diameter
| PED ASME SA789 Duplex Steel Pipe , Duplex Stainless Steel 2205 For Mechanical Structure Industry
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| 2507 / 1.4462 Duplex Steel Pipe With Cold Drawn Method / Annealing
| ISO 9001 F51 Seamless Duplex Stainless Steel Pipe For Structure And Machining
| Customized ASTM A790 Duplex Steel Pipe With Fixed Length And Cold Drawn Method
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