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[China]
Trade Verify
Address: A 509,HuaJian Mansion,Zhangjiagang City,JiangSu Province,China
Contact name:Arnold
JIANGSU HUI XUAN NEW ENERGY EQUIPMENT CO.,LTD |
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Verified Suppliers
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ASTM 4140,DIN 42CrMo4,GB4 2CrMo Mining Machiniery Wheel Gear Blank Forging
| Item No | Quantity(Pcs) | Description | Heat No | Factory Product No |
| Forged wheel | 14 | Φ741*285 | 201907216-211 | 4778-4785 |
B.Chemical Analysis
| Heat No | C% | Si% | Mn% | S% | Cr % | Mo % | P% | H% |
| 42CrMo | 0.38-0.43 | 0.10-0.35 | 0.75-1.00 | 0.008-0.016 | 0.80-1.10 | 0.15-0.25 | P≤0.015 | H≤2.5 |
| 1510128 | 0.39 | 0.24 | 0.75 | 0.008 | 1.07 | 0.183 | 0.011 | 0.00017 |
C.Mechanical Properties 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 | |
| 42CrMo | L | T | ||||||
Sample position 1(T) | 1001 | 1076 | 16 | 60.9 | 106.110.110 | 318-326 | ||
FORGING REDUCTION STATEMENT
We hereby certificate that the forge reduction ratio as follow:
| Item No | Dimension | Forging Reduction | Quantity(Pcs) |
| 00118535-0001 | Φ741*285 | 4:1 | 14 |
Metallographic Test Report
Date:2019-07-10
| Sample Name | Forged wheel | Item No: | Factory Product No | 4778-4785 | ||||||
| -YLQuantity( Pcs) | 8 | Material | 42CrMo | Heat No | 201907216-211 | |||||
| Sample Condition | OK | Heat treatment | N+T | Test Place | Laboratory | |||||
| Ambient Condition | 23℃ | Test Date | 2019-07-10 | Sampling Location | Longitudinal | |||||
| Test Standard | ASTM E45-76 Method A | |||||||||
| Test Results | ||||||||||
| Test Item | Technical Requirements | Test Results | Single Evaluation | |||||||
Non-Metallic Inclusions | Type A | Thin | 0-0.5 | 0.5 | Qualified | |||||
| Thick | 0-0.5 | 0 | Qualified | |||||||
| Type B | Thin | 0.5-0 | 0.5 | Qualified | ||||||
| Thick | 0.5-0 | 0.5 | Qualified | |||||||
| Type C | Thin | 0.5-0 | 0.5 | Qualified | ||||||
| Thick | 0.5-0 | 0 | Qualified | |||||||
| Type D | Thin | 0-1 | 1 | Qualified | ||||||
| Thick | 0-1 | 0.5 | Qualified | |||||||
| Grain size | ≥6 | 7 | Qualified | |||||||
| Statement:This report only responsible for samples | ||||||||||
Certificate of Ultrasonic Test
| Parts | Customer | Date | 2019-07-18 | ||||
| Name of forging | Forged shaft | Testing surface | Surface | ||||
| Material of forging | 42CrMo | Surface condition | Ra 6.3 μm | ||||
| Test Condition Requirement | Woke piece state | Q+T | Detection method | Straight vertical Wave | |||
| Instrument model | HNW-6100 | Working sensitivity | Φ4.2+6db | ||||
| Prode model | 2.5P20 | Coupling way | Direct contact | ||||
| Block model | Big calm bottom CS-1 | Couplant | Machine oil | ||||
| Sweep | Deepness way | Surface compensation | 0db | ||||
| Standards | GB/T 6402-2008 | Rate as require | 1:1 | ||||
| Acceptance standard | Class 3 | Acceptable class | ≤Φ4.2 | ||||
| Test Result | Item No | Forging specifications | Qty | Defect | Result | Note | |
| 00118535-0001 | Φ741*285 | 14 | None | Qualified | / | ||
| Test Result | 1.The above forgings are meet the standard,The result is eligibility | ||||||
| Nondestructive testing Signature | Tested by:(UT-II) | Approved by:(UT-III) | |||||
