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                  Custom ManufacturingDuplex Products We are industrial suppliers of Hastelloy C276 Products 
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                  Duplex Stainless 2205 is a nitrogen-enhanced duplex used in applications requiring high strength and excellent corrosion resistance. It is designed to combine improved resistance to stress corrosion cracking, pitting and crevice corrosion. Duplex 2205 provides nearly double the corrosion resistance typical in other austenitic stainless steels. 
 
                    
                      | Nickel Alloys 
                        
                        Tubes  |  
                      | Sr. No.
 | Material | Size
 | Sch. & Swg. 
 | Specification | Manufacturer |  
                      | 1 | Cupro Nickel Hastelloy
 Nickel
 Monel
 Inconel
 Alloy 20
 Duplex
 
 |  |  | 14 Swg. 12 Swg.
 10 Swg.
 
 |  IS BS
 ASTM
 UNS
 
 |  Imported&
 Chinan Mfg
 
 
 
 |  
                    
                      | UNS NICKEL MATERIAL GRADES |  
                      | Nickel grade | UNS | Werkstoff | DIN |  
                      | Duplex Stainless Steel | UNS S31803 | 1.4462 | X2CrNiMoN22-5-3 |  
                      | Duplex Stainless Steel | UNS S32205 | 1.4462 | X2CrNiMoN22-5-3 |  
                    
                      | Note:- |  
                      | Nickel Alloy in Grade | 
                           Cupro Nickel BS 2871/ PART 3 CN 102,107, 108 (90/10, 70/30, 66/30/2/2)
 ASTM B 111 C 70600, 71500, 71640
 Titanium ASTM B 338 Gr.1,2,3,7,9,11,12
Hastelloy C-4, C-22, C276, B-2,
Nickel ASTM B 161- 200 & 201 ,
MonelASTM B 165 -400 & K500,
Inconel600, 601, 625 & 825,
Incolloy800, 800H,
Alloy 20Duplex SteelSS 904L
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                      | In Form of | Round, Coil
 | ‘U’ Shape etc. | 
 |  
                      | In Length of 
 | Standard & Cut length
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                      | Value Added Service | Draw & Expansion as per required Size & 
                        
                        Length Bending
 Annealed & Pickled
 Machining Etc.
 
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                      | Test Certificate 
 | Manufacturer Test Certificate Laboratory Test Certificate from Govt. Approved Lab.
 Under Third Party Inspection .
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                      | Application 
 | Shipping Offshore Construction
 Condensers
 Heat Exchangers etc.
 
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                      | Specialize 
 | Cupro Nickel Tube |  
 
                    
                      | Tube Application |  
                      | Tube Uses | 
                          Architecture and constructionAerospaceNuclear PowerFertilizersValve & PumpsPetrochemicalMotor industryFood and drinkElectronicsTransport and trafficPulp and paper industryMedicineEnergy industryChemicals industryNickel Alloy in Pulp and Paper |  
                      | Tube Order & Packing Information |  
                      |  | Min. Order: 10 Pieces (or please enquire for your customized order) Trade Terms: FOB, CIF
 Payment Terms: L/C, T/T
 Packing: as per requirement
 Place of Origin:JIANGSU, China
 Means of Transport: Land, Ocean
 Delivery Date: one or two week
 Package: in wooden crate with plastic caps on each end.
 |    More useful information
                    Duplex  stainless steels have a mixed microstructure of austenite and ferrite, the aim usually being to produce a 50/50 mix, although in commercial alloys the ratio may be 40/60. Duplex stainless steels have roughly twice the strength compared to austenitic stainless steels and also improved resistance to localized corrosion, particularly pitting, crevice corrosion and stress corrosion cracking. They are characterized by high chromium (19–32%) and molybdenum (up to 5%) and lower nickel contents than austenitic stainless steels. 
                    The properties of duplex stainless steels are achieved with an overall lower alloy content than similar-performing super-austenitic grades, making their use cost-effective for many applications. Duplex grades are characterized into groups based on their alloy content and corrosion resistance.
                      
                          Lean duplex refers to grades such as UNS S32101 (LDX 2101), S32304, and S32003.Standard duplex is 22% chromium with UNS S31803/S32205 known as 2205 being the most widely used.Super duplex is by definition a duplex stainless steel with a pitting corrosion equivalent (PRE) > 40, where PRE = %Cr + 3.3x(%Mo + 0.5x%W) + 16x%N. Usually super duplex grades have 25% chromium or more and some common examples are S32760 (Zeron 100 via Rolled Alloys), S32750 (2507) and S32550 (Ferralium),.Hyper duplex refers to duplex grades with a PRE > 48 and at the moment only UNS S32707 and S33207 are available on the market. Comparison of standardized steels
                    
                      
                        | EN-standard Steel no. k.h.s DIN
 | EN-standard Steel name
 | SAE grade | UNS |  
                        |  |  | 440A | S44002 |  
                        | 1.4112 | X90CrMoV18 | 440B | S44003 |  
                        | 1.4125 | X105CrMo17 | 440C | S44004 |  
                        |  |  | 440F | S44020 |  
                        | 1.4016 | X6Cr17 | 430 | S43000 |  
                        | 1.4408 | G-X 6 CrNiMo 18-10 | 316 |  |  
                        | 1.4512 | X6CrTi12 | 409 | S40900 |  
                        |  |  | 410 | S41000 |  
                        | 1.4310 | X10CrNi18-8 | 301 | S30100 |  
                        | 1.4318 | X2CrNiN18-7 | 301LN |  |  
                        | 1.4307 | X2CrNi18-9 | 304L | S30403 |  
                        | 1.4306 | X2CrNi19-11 | 304L | S30403 |  
                        | 1.4311 | X2CrNiN18-10 | 304LN | S30453 |  
                        | 1.4301 | X5CrNi18-10 | 304 | S30400 |  
                        | 1.4948 | X6CrNi18-11 | 304H | S30409 |  
                        | 1.4303 | X5CrNi18-12 | 305 | S30500 |  
                        |  | X5CrNi30-9 | 312 |  |  
                        | 1.4541 | X6CrNiTi18-10 | 321 | S32100 |  
                        | 1.4878 | X12CrNiTi18-9 | 321H | S32109 |  
                        | 1.4404 | X2CrNiMo17-12-2 | 316L | S31603 |  
                        | 1.4401 | X5CrNiMo17-12-2 | 316 | S31600 |  
                        | 1.4406 | X2CrNiMoN17-12-2 | 316LN | S31653 |  
                        | 1.4432 | X2CrNiMo17-12-3 | 316L | S31603 |  
                        | 1.4435 | X2CrNiMo18-14-3 | 316L | S31603 |  
                        | 1.4436 | X3CrNiMo17-13-3 | 316 | S31600 |  
                        | 1.4571 | X6CrNiMoTi17-12-2 | 316Ti | S31635 |  
                        | 1.4429 | X2CrNiMoN17-13-3 | 316LN | S31653 |  
                        | 1.4438 | X2CrNiMo18-15-4 | 317L | S31703 |  
                        | 1.4362 | X2CrNi23-4 | 2304 | S32304 |  
                        | 1.4462 | X2CrNiMoN22-5-3 | 2205 | S31803/S32205 |  
                        | 1.4539 | X1NiCrMoCu25-20-5 | 904L | N08904 |  
                        | 1.4529 | X1NiCrMoCuN25-20-7 |  | N08926 |  
                        | 1.4547 | X1CrNiMoCuN20-18-7 | 254SMO | S31254 |    |