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{"title":"UNS S32760 Nickel Alloy Stem Super Duplex Valves Regulation Forging","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/55\/10a6a4598d28aa56296f07699997-200x200-1\/uns_s32760_nickel_alloy_stem_super_duplex_valves_regulation_forging.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"}}
{"title":"Nickel Alloy 625 Valve Ball High Precision UNS N06625 Ball Valve Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/2c\/77178196a129bbdf3ce902f0936d-200x200-1\/nickel_alloy_625_valve_ball_high_precision_uns_n06625_ball_valve_parts.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"}}
{"title":"Incoloy 825 Flange Seat Ring Large Caliber Valve Sealing Seat Compression Ring","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/e5\/65e6a972fd686b14650f496418fe-200x200-1\/incoloy_825_flange_seat_ring_large_caliber_valve_sealing_seat_compression_ring.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
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{"title":"API Valve Seat Incoloy 925 Nickel Based Forged Steel For Oil \/ Gas","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/c7\/fb7c8e47dccbf46375fdac7e0f2f-200x200-1\/api_valve_seat_incoloy_925_nickel_based_forged_steel_for_oil_2f_gas.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"Hastelloy X Valve Gate \/ Nickel Based Superalloy Valve Plate For Petroleum","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/22\/e6718c21809752801adf7eb593a6-200x200-1\/hastelloy_x_valve_gate_2f_nickel_based_superalloy_valve_plate_for_petroleum_equipment.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"Hastelloy C-4 Valve Balls Hollow Trunnion Valve Ball Without Stem","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/98\/eeb18beacd1d12a9f81d1d98fcf0-200x200-1\/hastelloy_c_4_valve_balls_hollow_trunnion_valve_ball_without_stem.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
Nickel Alloy Stem UNS S32760 Super Duplex F55 1.4501 Valve Regulation Forging
Nickel AlloyValve Stem is an important component of the valve, used for transmission. It connects to the actuator or handwheel at the top and directly drives the valve core to move or rotate at the bottom, thereby achieving the function of opening, closing, or regulating the valve.
Valve Stem Seal:
Most compression packings use asbestos fibers as the base material due to its performance properties. It is essentially unaffected by most media, temperatures, and time, and is a good thermal conductor.
The drawback of asbestos is its poor lubricity, so it is necessary to add lubricants that do not impair the performance of asbestos, such as graphite powder and mica powder. Since this mixture still has some permeability, it is also necessary to add liquid lubricants.
Polytetrafluoroethylene (PTFE) has the smallest shrinkage rate and lowest water absorption, as well as a low coefficient of friction. It has high corrosion resistance to most corrosive media. PTFE packing can operate at temperatures ranging from -150 to 260°C. Within this temperature range, it is a high-performance, multi-purpose valve stem packing.
Flexible graphite has the property of high-temperature resistance and also has a low coefficient of friction and resistance to most corrosive media. It can operate at temperatures up to 600°C in the packing area, so valves in high-temperature applications such as power plants and petrochemical industries use flexible graphite packing.
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 t... 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 t...
