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PH Tool — ASME Basic Calibration Block
A516-70 Steel ASME Basic UT Calibration Block with Wood Case SKU: BASIC4.75.A51670Overview
The PH Tool ASME Basic Calibration Block is a precision ultrasonic reference block designed for calibration, sensitivity setup, and performance verification of ultrasonic testing equipment. Manufactured from A516-70 steel, this block supports professional UT workflows where reliable reference standards are required for weld inspection, material evaluation, and code-based inspection procedures.
This configuration measures ¾" thick × 6¼" wide × 4½" long and is manufactured in accordance with ASME Section V, Article 4, Figure T-434.2.1. Its ASME Basic design makes it suitable for ultrasonic calibration procedures used in pressure vessel, piping, structural, and industrial weld inspection applications.
Supplied with a wood case, the block is protected during storage and transport, making it a practical reference standard for field, shop, and laboratory inspection environments.
What's Included
| Item | Details |
|---|---|
| Calibration Block | ASME Basic Calibration Block |
| Material | A516-70 steel |
| Dimensions | ¾" thick × 6¼" wide × 4½" long |
| Standard Reference | ASME Sec V Art. 4 Fig. T-434.2.1 |
| Case | Wood case included |
| Manufacturer | PH Tool |
| SKU | BASIC4.75.A51670 |
Box Dimensions & Shipping Weight (Estimated)
| Parameter | Imperial |
|---|---|
| Length | 10.0 in |
| Width | 8.0 in |
| Height | 4.0 in |
| Dimensions (L × W × H) | 10.0 × 8.0 × 4.0 in |
| Weight | 8.0 lb |
Key Specifications
| Parameter | Details |
|---|---|
| Product Type | Ultrasonic calibration block |
| Block Type | ASME Basic Calibration Block |
| Material | A516-70 steel |
| Thickness | ¾" |
| Width | 6¼" |
| Length | 4½" |
| Standard / Code Reference | ASME Section V, Article 4, Figure T-434.2.1 |
| Case Included | Wood case |
| Application | Ultrasonic calibration and weld inspection setup |
| Manufacturer | PH Tool |
| SKU | BASIC4.75.A51670 |
Performance Features
ASME Basic Block Design
Manufactured in accordance with ASME Sec V Art. 4 Fig. T-434.2.1 for ultrasonic calibration workflows.
A516-70 Steel Construction
Provides a steel reference material commonly used for pressure vessel and industrial weld inspection calibration.
Defined Reference Dimensions
¾" × 6¼" × 4½" configuration supports repeatable ultrasonic setup and calibration procedures.
Wood Case Included
Helps protect the block during storage, transportation, and field inspection use.
User-Friendly Design
Compact ASME Basic block format for practical UT calibration
Wood case supports organized storage and transport
Suitable for field, shop, and laboratory inspection environments
Designed for repeatable ultrasonic setup procedures
Practical for weld inspection and code-based NDT programs
Built for Industrial Environments
Durable A516-70 steel construction for professional NDT use
Suitable for fabrication, maintenance, and QA/QC programs
Built for repeated handling in field and shop environments
Supports consistent ultrasonic calibration practices
Practical for industrial weld inspection and asset integrity workflows
Compatibility
Compatible with:
Ultrasonic flaw detectors
Weld inspection calibration procedures
ASME Section V Article 4 inspection workflows
Angle beam and straight beam UT setups, where applicable
Pressure vessel and piping inspection programs
Field, shop, and laboratory NDT calibration applications
Ideal Applications
Ultrasonic calibration setup
Weld inspection sensitivity verification
ASME code-based inspection support
Pressure vessel inspection
Piping and structural weld evaluation
Flaw detector performance checks
Field and shop NDT inspection programs
QA/QC and laboratory reference standard use
About PH Tool
PH Tool manufactures precision reference standards, calibration blocks, and NDT test blocks for ultrasonic, magnetic particle, liquid penetrant, and visual inspection applications. Their products are widely used by NDT professionals who require dependable reference standards for calibration, verification, and inspection quality control.


