YS/T 1220-2018 in English
VALIDChromium target
- Issued on:2018-04-30
- Implemented on:2018-09-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$136.00
Introduction
Analysis of the core requirements of the standard
This standard comprehensively stipulates the quality control system of chromium target, mainly covering:
| Detection dimension | Method standard | Sampling requirements | Judgment basis |
|---|---|---|---|
| Chemical composition | GB/T 4702 series | ≥50g wire cutting sample | GB/T 8170 |
| Physical properties | Density/grain size detection | ≥1 full-size sample | Type inspection |
| Appearance quality | GB/T 1031 Roughness Tester | 100% Full Inspection | Visual Inspection + 10x Magnifying Glass |
Special Inspection Technical Specifications
Ultrasonic Scanning Microscope is the core equipment for internal defect detection. Its application points include:
- Detection frequency range: 10-100MHz
- Resolution requirement: ≥5μm defect recognition
- Scanning pitch: ≤0.1mm
Quality Dispute Handling Mechanism
Special Procedures for Arbitration Inspection:
- The purchaser must raise an objection within 30 days of receipt
- Use wire cutting machine to prepare samples during joint sampling
- Ultrasonic cleaner must be used in the cleaning process
Suggestions for the implementation of the standard
Manufacturers should pay special attention to:
| Links | Key control points | Record requirements |
|---|---|---|
| Packaging | Vacuum packaging + shockproof wooden box | Batch traceability code |
| Transportation | Temperature and humidity records | Photos of shockproof measures |
| Storage | Store 20cm above the ground | Regular inspection records |

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