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{"title":"Nickle Alloy Flat Welding Flange Incoloy 925 Pharmaceutical Metallurgy Machinery","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/79\/de\/54a7faad79ff501af6908e729743-200x200-1\/nickle_alloy_flat_welding_flange_incoloy_925_pharmaceutical_metallurgy_machinery.jpg","attrs":{"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"}}
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 specificationslisted below) is described as a super duplex stainless steelwith a microstructure of 50:50 austenite and ferrite. Thesteel combines high mechanical strength (typically up to600 MPa yield strength) and good ductility withoutstanding corrosion resistance to marine environmentsand a wide, diverse range of oil & gas productionenvironments. The alloy is supplied with a PREN (PittingResistance Equivalent) at >= 40.0 which guarantees high
resistance to pitting corrosion. In addition, the steel offershigh resistance to crevice corrosion and stress corrosioncracking. Ambient and sub-zero (down to minus 50 °C)notch ductility is good. These attributes mean that thissuper duplex steel can be used successfully as analternative to 300 series stainless steel (such as type 316),standard 22% Cr duplex steel and precipitation hardeningstainless steels. Where appropriate the alloy can beconsidered 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
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)
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc...
