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Shape Custom Nickel Alloy Flanges 1.4501 Super Duplex S32760 F55

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Shape Custom Nickel Alloy Flanges 1.4501 Super Duplex S32760 F55

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Brand Name : DINGSCO

Model Number : According to customers requirements

Certification : ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK

Place of Origin : China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T

Supply Ability : Negotiable

Delivery Time : (Sample Order) 7 days

Packaging Details : According to Customers' Requests

Product Name : Nickle Alloy Flat Welding Flange

Grade : Super Dupex F55

Density : 7.8 g/cm3

Specific Heat : 500J/kg.℃

Ultimate Tensile Strength : 730 – 930 MPa

0.2% Proof Strength : 530 MPa

Elongation : 25 %

Hardness (Max) : 290 HB

Impact : 100 J

Mean Coefficient of Thermal Expansion at 20 - 100°C : 13 x 10-6 K -1

Thermal Conductivity at 20°C : 15 W.m-1.K-1

Electrical Resistivity at 20°C : 0.8Ω .mm2 .m-1

Modulus of Elasticity at 20° : 200GPa

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Nickle Alloy Flat Welding Flange UNS S32760 Super Duplex F55 1.4501

Nickle Alloy Flange, also known as a flange rim or flange, is a part that connects pipes to each other at the ends, and it is also used on equipment inlets and outlets for connecting two pieces of equipment, such as a reducer flange. A flange connection or flange joint refers to a detachable connection consisting of a flange, gasket, and bolt, which together form a combined sealing structure.

Welding Process:

  • Required Equipment: A set of manual arc welding equipment, one handle-type angle grinder, one electric air hammer, and one straight edge.
  • Folding Welding Preparation: 1. Check and adjust the equipment to ensure normal operation; 2. Prepare φ4.0 J402 welding rods, which are preferably dried at 300°C - 350°C for one hour.
  • Folding Welding Process: 1. Assemble the cone and the large flange according to the drawing requirements, then divide the large flange into 8 equal parts; 2. Welding due to the thicker flange and larger groove, the use of segmental symmetrical, multi-layer welding is adopted.
  • Folding Welding Quality Requirements: The weld strength must at least match the strength of the base material. The weld surface should be flat and smooth, without defects such as burn-through, porosity, welding leaks, slag inclusion, undercutting, or incomplete welding. The weld reinforcement height should be less than 2mm.
  • Folding Notes for Attention: 1. When welding the base layer, always use J506 welding rod manual surfacing and welding with a small current. Strictly follow the welding process; 2: After welding each position, use a level to check the deformation of the flange plane; 3: While welding, use the air hammer to strike the weld to eliminate stress.

UNS S32760 / 1.4501 / F55:

Material to UNS S32760 (and the other specifications listed below) is described as a super duplex stainless steel with a microstructure of 50:50 austenite and ferrite. The steel combines high mechanical strength (typically up to 600 MPa yield strength) and good ductility with outstanding corrosion resistance to marine environments and a wide, diverse range of oil & gas production environments. The alloy is supplied with a PREN (Pitting Resistance Equivalent) at >= 40.0 which guarantees high
resistance to pitting corrosion. In addition, the steel offers high resistance to crevice corrosion and stress corrosion cracking. Ambient and sub-zero (down to minus 50 °C) notch ductility is good. These attributes mean that this super duplex steel can be used successfully as an alternative to 300 series stainless steel (such as type 316), standard 22% Cr duplex steel and precipitation hardening stainless steels. Where appropriate the alloy can be considered in lieu of more costly Grade 5 titanium or
nickel based alloys.
Availability:
Bar, forgings, sheet, plate, pipe, tube, closed die forgings, flanges and welding consumables.
Related material specifications:

  • UNS S32760 in various ASTM product form specifications
  • EN 10088-3 1.4501 (Grade X2CrNiMoCuWN25-7-4)
  • NORSOK MDS D51 to D55, D57 & D58
  • ASTM A182 F55
  • NACE MR01-75 (latest revision) / ISO 15156

Machinability / Welding:
The machining and welding of this grade of super austenitic stainless steel presents no particular problems. Guidance notes are available upon request.
Typical Applications:
Pumps, valves, chokes, Xmas trees, pipework / flanges, bolting, connectors & manifolds. In oil and gas industry,equipment in defence, chemical and marine industries.
Chemical Composition:

Element C Mn Si S P Cr Ni Mo Cu N
Minimum(%) - - - - - 24 6 3 0.5 0.20
Max(%) 0.03 1 1 0.015 0.035 26 8 4 1 0.30

Reference Standards:

General
  • Norsok M-650 Ed.4 qualified manufacturers
  • PED 2014/68/EU Annex I section 4.3
  • AD2000 W0 (W2/W10)
  • NACE MR0175/ ISO 15156-3 and NACE MR0103/ISO 17945
Plate, sheet and coil

  • ASTM A240, EN 10028-7, EN 10088-2, EN 10088-4, Norsok M-630 MDS D55
Bar and forging

  • ASTM A276, ASTM A479, ASTM A182, EN 10088-3, Norsok M-630 MDS D54/D57
Other products

  • As per applicable ASTM and/or EN standards and Norsok M-630 MDS

Applications:

  • Process industry components in nitric acid, dioxide, polypropylene & PVC production, caustic evaporators
  • Equipment handling organic & fatty acids
  • Marine industry and shipbuilding propellers, shafts, rudders, shaft seals, pumps, bolts, fasteners, valves, instrumentation
  • Oil and chemical tankers
  • Oil & Gas industry pumps, valves, pipe, vessels, wellhead equipment, subsea equipment
  • Pollution control systems, fans and pumps, wet scrubbers, incinerators, flue gas desulphurisation (FGD)
  • Pulp & paper industry components such as black liquor heater tubes, digester blow valves, rotary feed valves, I.D.fans, brownstock washers, precipitators, bleaching components
  • Food Industry applications including sugar cane centrifuges, corn and vegetable processing plant
  • Agrochemicals production such as fertilisers (based on wet phosphoric acid)
  • Sewage treatment, seawater cooling, desalination plants




Processing Flow Chart:

Shape Custom Nickel Alloy Flanges 1.4501 Super Duplex S32760 F55

Shape Custom Nickel Alloy Flanges 1.4501 Super Duplex S32760 F55


Product Tags:

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