Description
Jiangsu Liangyi professional manufacturer of 1.6962,25NiCrMoV12.7,25NiCrMoV12-7,25NiCrMoV127 open die forging parts and forged steel gas steam turbine turbine rotor shafts from china
Following is the shape of 1.6962,25NiCrMoV12.7,25NiCrMoV12-7,25NiCrMoV127 Forging steel material that we could do is:25NiCrMoV12.7 Forged Steel round bars square bars Flat bars Rectangles Bars Rods, 25NiCrMoV12-7 Forged forging steel rings seamless rolled rings, 25NiCrMoV12.7 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,1.6962 Forged Forging Steel Discs Disks Blocks plates, 25NiCrMoV127 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings. 25NiCrMoV127 Forged Forging Steel Gas Steam Turbine Rotors Shafts,25NiCrMoV12-7 Forged Forging Gas Compressor Turbine Blades turbine Vane steel Flat Rectangles Bars, 25NiCrMoV12.7 Forged Forging Steel gas steam Turbine Guide Rings,seal rings Labyrinth Rings Packing Seal Diaphragm & Seal Ring Rotor End Rings contours Casing Rings,,25NiCrMoV127 Forged forging Gas Steam Turbine Valve Spindles/Stems/Rods,25NiCrMoV12.7 Forging Forged Gas Steam Turbine Doubled-headed Double end Studs Fasteners Bolts
Our 1.6962,25NiCrMoV12.7,25NiCrMoV12-7,25NiCrMoV127 forged steel parts is normal melting by Basic Electric Furnace (EAF, AOD, VOD) or + Electroslag remelting. (ESR) AS PER CLIENTS NEEDS
Chemical composition for 1.6962,25NiCrMoV12.7 forged steel gas turbine rotor shafts as follows
Carbon (C%) Min: 0,22 Max: 0,28
Manganese (Mn%) ≤ 0,06 ≤ 0,06
Silicon (Si%) ≤ 0,06
Phosphorus (P%) ≤0,004
Sulfur (S%) ≤0,003
Chrome (Cr%) Min: 1,50 Max: 2,00
Nickel (Ni%) Min: 2,80 Max: 3,20
Molybdenum (Mo%) Min: 0,40 Max: 0,60
Vanadium (V%) Min: 0,05 Max: 0,15
The following properties of 25NiCrMoV12.7 forging turbine blade flat bars at room temperature must be demonstrated by the following tests
Tensile strength, Rm: 850- 1000MPa
The yield point, Rp0,2: >700 MPa Properties of samples tested
longitudinally: Elongation, A:> 15%
Reduction > 40%
Charpy test :minimum 80J
25NiCrMoV12-7 forging steel turbine parts at elevated temperatures - the yield strength is as follows
Temperature 200℃ - Rp0,2: >625 MPa
Temperature 250℃ - Rp0,2: >600 MPa
Temperature 300℃ - Rp0,2: >580 MPa
Temperature 350℃ - Rp0,2: >550 MPa
Temperature 400℃ - Rp0,2: >510 MPa
Temperature 450℃ - Rp0,2: >480 MPa
Temperature 500℃ - Rp0,2: >400 MPa
We could produce forged steel 25NiCrMoV12.7 turbine rotor shafts in High,middle,low press steam turbine rotor,generator rotor, 35MW,50WM,60WM,70WM steam turbine rotor;
We have following inspection equipment to inspection all our 25NiCrMoV12-7 forging steel gas steam turbine rotor shafts
Tensile press
Charpy pendulum (up to – 90ºC)
Hardness testers
Scale
Thermometer
Spectrometer
Scales
Temperature control thermocouples
Continuous monitoring systems and process recording (heating, ring rolling and heat treatment)
Measuring laser
Pyrometer
Hardness testers
Laser measure
Comparators
Gauges
Micrometres
Bore gauges
UT equipment
MT equipment
Laser tracker
Fluorescent particles for liquid penetrant inspection
Radius gauges
Threaded plugs
Parallelism measuring devices
Roughness testers
Thickness gauges
Gauge blocks and rods
Light meters
Mass weight
Goniometers
