INTRODUCE :
4340 alloy steel axle forged rough machined square drive shaft
SPECIFICATIONS :
Delivery contents
|
Item No |
Quantity(Pcs) |
Description |
Heat No |
Factory Product No |
|
Forged square shaft |
3 |
square 230*3886 |
20170408-210 |
4775-4777 |
Chemical Analysis
|
Heat No |
C% |
Si% |
Mn% |
S% |
Cr % |
Mo % |
Ni% |
P% |
H% |
|
4340 |
0.38-0.43 |
0.10-0.35 |
0.60-0.80 |
S:0.008-0.016 |
0.70-0.90 |
0.20-0.30 |
1.65-2.0 |
P≤0.015 |
H≤2.0 |
|
1703B033 |
0.42 |
0.23 |
0.68 |
0.008 |
0.83 |
0.27 |
1.78 |
0.014 |
1.2 |
Mechanical Tests
|
Specimen |
Test Temp |
Yield Strength |
Tensile Strength |
Elongation(Tr) |
Reduction of Area |
Charpy Impact(20℃) |
Hardness |
|
|
Nr./No |
20℃ |
Rp0.2 N/mm² |
Rm N/mm² |
A% |
Ψ% |
Joule |
HB |
|
|
4340 |
|
|
|
|
L |
T |
|
|
|
YL4775 |
|
|
|
|
|
|
350-355 |
|
|
YL4776 |
|
|
|
|
|
|
355-365 |
|
|
YL4777 |
|
|
|
|
|
|
350-357 |
|
Metallographic Test Report
|
Sample Name |
Forged Shaft |
Item No: |
00055928 |
Factory Product No |
YL4775-YL4777 |
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|
-YLQuantity( Pcs) |
3 |
Material |
4340 |
Heat No |
20170408-210 |
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|
Sample Condition |
OK |
Heat treatment |
Q+T |
Test Place |
Laboratory |
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|
Ambient Condition |
23℃ |
Test Date |
|
Sampling Location |
Longitudinal |
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|
Test Standard |
ASTM E45-76 Method A |
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|
Test Results |
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|
|
Test Item |
|
Technical Requirements |
Test Results |
Single Evaluation |
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|
Non-Metallic Inclusions |
Type A |
Thin |
≤1.5 |
|
Qualified |
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|
|
Thick |
≤1.5 |
|
Qualified |
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|
Type B |
Thin |
≤1.5 |
|
Qualified |
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|
|
Thick |
≤1.5 |
|
Qualified |
|||||
|
Type C |
Thin |
≤1.5 |
|
Qualified |
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|
|
Thick |
≤1.5 |
|
Qualified |
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|
Type D |
Thin |
≤1.5 |
|
Qualified |
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|
|
|
Thick |
≤1.5 |
|
Qualified |
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|
Grain size |
≥6 |
|
Qualified |
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|
Statement:This report only responsible for samples |
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Ultrasonic Test Certificate
|
Parts |
Customer |
|
Date |
2017-04-19 |
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|
Name of forging |
Forged shaft |
Testing surface |
Surface |
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|
Material of forging |
4340 |
Surface condition |
Ra 6.3 μm |
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|
Test Condition Requirement |
Woke piece state |
Q+T |
Detection method |
Straight vertical Wave |
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|
Instrument model |
HNW-6100 |
Working sensitivity |
Φ4 |
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|
Prode model |
2.5P20 |
Coupling way |
Direct contact |
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|
Block model |
4340 Alloy Steel Axle Shaft Forging Rough Machined Square Drive Shaft 0 4340 Alloy Steel Axle Shaft Forging Rough Machined Square Drive Shaft 1 Big calm bottom CS-1 |
Couplant |
Machine oil |
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|
Sweep |
Deepness way |
Surface compensation |
0db |
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|
Standards |
AS 1065 |
Rate as require |
1:1 |
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|
Acceptance standard |
Level 1 |
Acceptable class |
≤Φ4 |
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|
Test Result |
Item No |
Forging specifications |
Qty |
Defect |
Result |
Note |
|
|
00055928 |
Φ590*1225 |
3 |
None |
Qualified |
/ |
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|
4340 Alloy Steel Axle Shaft Forging Rough Machined Square Drive Shaft 2
4340 Alloy Steel Axle Shaft Forging Rough Machined Square Drive Shaft 3
|
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|
Test Result |
1.The above forgings are meet the standard,The result is eligibility |
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|
Nondestructive testing Signature |
Tested by:(UT-II) |
Approved by:(UT-III) |
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