17-4ph Forged Flat Bars For Steam Turbine Blades
These days, we produce some 17-4ph Forged Flat Bars For Gas Steam Turbine Blade for our mexico clients,
FOllowing is material inspection certificate of them
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Quality Inspection Certificate acc. to EN10204-3.1 |
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Product Description |
Flat Bars |
Materal Grade |
17-4ph |
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CLients |
Central Termoelectrica Valle de Mexic |
Purchase Order # |
21991 |
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Melting Method |
EF++VOD+ESR |
Quantity |
22 |
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Heat # |
JLD240313-4 |
Forging Ratio |
10 |
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Heat Treat Lot # |
2024041903 |
Size (in) |
5.5 inch heighthess,10 Inch width,156inch length |
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Delivery Condition |
Forged,solution age harddening H1150,heat treatment, machined to bright surface |
Ferrite content:3% |
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Grain size |
ASTM 7.5 |
Forging Identification Number: JLD240313-4 |
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Material Specification |
ASTM A564, H1150 |
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Chemical compostion of 17-4ph forged turbine flat bars
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Chemical Composition
per ASTM A751 |
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C% |
Mn% |
Si% |
P% |
Fe% |
S% |
Cr% |
Cu% |
Nb%+Ta% |
Ni% |
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Min |
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balance |
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15.0 |
3.0 |
0.15 |
3.0 |
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Max |
0.07 |
1.0 |
1.0 |
0.040 |
0.03 |
17.5 |
5.0 |
0.45 |
5.0 |
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Actual |
0.048 |
0632 |
0.671 |
0.027 |
balance |
0.001 |
15.32 |
3.12 |
0.193 |
4.4 |
Mechanical property test of 17-4ph forged turbine blades flat bars
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Mechanical Properties
per ASTM A370 per ASTM E10 |
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(YS) 0.2%Yield Strength (MPA) |
(TS) Tensile Strength (MPA) |
YS / TS Ratio(%)
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Elongation
(%) |
Reduction of Area (%) |
Hardness (HBW) |
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Surface of parts |
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Min |
725 |
930 |
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16 |
50 |
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277 |
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Max |
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Actual |
893 |
993 |
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19.8 |
60 |
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324 |
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Following is heat treatment report of 17-4ph forged turbine blading steel flat bars
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Non metallic inclusion test as per ASTM E45 by using method A |
A |
B |
C |
D |
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Max 3 |
Max 3 |
Max 3 |
Max 3 |
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0 |
0 |
0 |
0 |
0 |
0 |
1.0 |
0 |
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Charpy V- Notch Testing
per ASTM A370 |
QTC Size (in / mm) |
Test Temperature in room temperature |
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10*10*55mm |
Min 41J |
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Impact Test Value(J) |
157/157/150 |
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NDE Test Results
Note: supporting NDE Reports to be provided! |
Method |
Standard |
Indications |
Results |
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Ultrasonic Examination |
ASTM A388/388M-16a |
No |
Qualified |
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Magnetic Particle Examination |
ASTM A275/275M |
No |
Qualified |
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Visual Inspection |
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There is no crack,seams,laps,shrinkage |
Qualified |
Following is Micro and Macro Examinations of 17-4ph forging turbine flat bars
