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ASME Basic Ultrasonic Calibration Blocks for Weld Testing - 38mm Depth Holes, 150-400mm Sizes

Name: ASME Basic Ultrasonic Calibration Blocks for Weld Testing - 38mm Depth Holes, 150-400mm Sizes
Brand: HUATEC GROUP CORPORATION

State-certified ASME calibration blocks for ultrasonic weld examination. Features 38mm deep side-drilled holes, EDM notches, and media-blasted surfaces for real-world accuracy. Available in multiple sizes from 150×120×19mm to 150×400×127mm with protective engineering plastic cases.

Place of Origin China

Packaging Details Packed in ABS engineering plastics,and then reinforced with carton for outer packing

Product Name Ultrasonic Calibration Block

Dimensions 1½" thick x 6¼" wide x 4½" long

Material 1018 carbon steel, LY12/6063/7075 aluminum,304 stainless steel

Standard ASME Sec V Art. 4 Fig. T-434.2.1.

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Product Description

ASME Basic Ultrasonic Calibration Blocks

Essential calibration tools for ultrasonic testing of welds, certified by state authorities and designed to establish primary reference responses in accordance with ASME Section V standards.

Product Specifications

ASME Basic Calibration Block 1 features three side-drilled holes at 38mm minimum depth with 2.5mm diameter, positioned at 1/4, 1/2, and 3/4 thickness locations. Includes two EDM notches measuring 2% T depth × 6.4mm maximum width × 25mm minimum length.

Calibration Block Dimensions & Weights

Weld Thickness (mm)	Block Dimension (mm)	Net Weight (kg)	Gross Weight (kg)	Packaging
Up to 25	150×120×19	3.5	4.5	Engineering plastics cases
Over 25 through 50	15×150×38	9	10	Engineering plastics cases
Over 50 through 100	150×225×76	23	24	Engineering plastics cases
Over 100	150×400×127	58	62	Engineering plastics cases

Key Features

State-certified calibration blocks for ultrasonic flaw detectors and probes
Media-blasted surfaces replicate real-world inspection conditions
Comprehensive product range including domestic, European, and NDT standards
Custom processing available for special specifications
Durable engineering plastic case packaging for protection

Application Details

Unlike general-purpose test blocks with smooth surfaces, ASME Basic Calibration Blocks feature media-blasted rough surface textures that accurately represent actual component conditions, ensuring reliable calibration for weld examination.