Description
Jiangsu Liangyi professional manufacturer of 27NiCrMoV15.6, 27NiCrMoV15-6, 27NiCrMoV156, 27 NiCrMoV 15-6 open die forging parts and forged steel gas steam turbine generator rotor shafts factory from china
27NiCrMoV15-6 is Creep resisting steel, hardened and tempered as per standard of SEW 555 (1984) Steels for larger forgings for components in turbine and generator production, such as turbine bolts, turbine rotor shafts, turbine blades and so on
Following is the shape of 27NiCrMoV15.6, 27NiCrMoV15-6, 27NiCrMoV156, 27 NiCrMoV 15-6 forging steel material that we could do is:27NiCrMoV156 Forged Steel round bars square bars Flat bars Rectangles Bars Rods,27NiCrMoV15-6 Forged forging steel rings seamless rolled rings, 27NiCrMoV15.6 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,27NiCrMoV15-6 Forged Forging Steel Discs Disks Blocks plates, 27NiCrMoV156 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings.27NiCrMoV15-6 Forged Forging Steel Gas Steam Turbine Rotors Shafts,27 NiCrMoV 15-6 Forged Forging Gas Compressor Turbine Blades turbine Vane steel Flat Rectangles Bars,27NiCrMoV15-6 Forged Forging Steel gas steam Turbine Guide Rings,seal rings Labyrinth Rings Packing Seal Diaphragm & Seal Ring Rotor End Rings contours Casing Rings,,27NiCrMoV15.6 Forged forging Gas Steam Turbine Valve Spindles/Stems/Rods,27NiCrMoV156 Forging Forged Gas Steam Turbine Doubled-headed Double end Studs Fasteners Bolts
Carbon (C%)Min: 0,22 Max: 0,32
Manganese (Mn%) Min: 0,15 Max: 0,40
Silicon (Si%) ≤ 0,15
Phosphorus (P%)≤0,01
Sulfur (S%)≤0,007
Chrome (Cr% Min: 1,20 Max: 1,80
Nickel (Ni%)Min: 3,40 Max: 4,00
Molybdenum (Mo%)Min: 0,25 Max: 0,45
Vanadium (V%) min 0,05 Max: 0,15
The mechanical property of 27NiCrMoV15-6 forged steel steam turbine rotor shafts material is as followings
Elongation, transverseTensile strength, ≥MPa: 930
Yield strength, ≥MPa: 780
Elongation, (%):≥ 18.0
Reduction of area,≥%): 45.0
An inspection certificate 3.1 for 27NiCrMoV15.6 forged parts according to Standard EN 10204 and relative ITP in English language shall be provided in duplicate to the clientsprior to, but in no case later than with the delivery of the 27NiCrMoV15-6 forged material and shall contain the following data:
a) Identification no. And order no. of 27NiCrMoV15.6 forging parts
b) Material designation of 27NiCrMoV15.6 forged rings
c) Heat No. and heat analysis including trace elements and melting process.of each 27NiCrMoV15.6 forging sleeves
d) Number of forgings in the ingot and weight of ingot, stating L/D ratio.
e) Degree of forging reduction (Amax/Afinal at greatest body diameter) of each 27NiCrMoV156 forging round bars
f) Heat treatment: Method of cooling, temperatures actually measured, holding times and cooling conditions (cooling rates) of each 27NiCrMoV15-6 forged turbine rotor shafts
including all reheat treatments are to be quoted as a complete temperature time sequence.
g) Results of the mechanical test. All results shall be quoted with indication of location of specimens of each 27NiCrMoV15.6 forging shafts
h) Results of residual stress measurement if performed.
i) Results of ultrasonic examination according to clients requirement
k) Results of magnetic particle inspection of axial and if applicable radial bores and the cross section transitions according to clients requirement
l) Results of magnetic properties of each 27NiCrMoV15.6 forged rotor shafts
m) Dimensional data sheet about the dimensional inspection of each 27NiCrMoV15.6 forging material
