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{"title":"DAC Ultrasonic Test Block Carbon Steel 25mmx50mmx200mm With 4 Holes 1.5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/7d\/9cc35a099e49af5ced8346a62b98-200x200-1\/dac_ultrasonic_test_block_carbon_steel_25mmx50mmx200mm_with_4_holes_1_5mm_diameter.jpg","attrs":{"Delivery Time":"3-7 days","Material":"Carbon Steel","Place of Origin":"CHINA","Model Number":"DAC Block"}}
{"title":"5 Step Wedge Test Ultrasonic Calibration Blocks Copper Material Block 2.5 5 7.5","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/a0\/5c99a633fb05f4ed004f3d5124d3-200x200-1\/5_step_wedge_test_ultrasonic_calibration_blocks_copper_material_block_2_5_5_7_5_10_12_5mm.jpg","attrs":{"Model Number":"step block","Certification":"CE; ISO","Size":"10X10X5 cm","Material":"Copper"}}
{"title":"Type A Type B Phased Array Ultrasonic Calibration Blocks For UT Testing","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/2c\/221028e30016329193cc357fe601-200x200-1\/type_a_type_b_phased_array_ultrasonic_calibration_blocks_for_ut_testing.jpg","attrs":{"Model Number":"Phased Array Block","Place of Origin":"CHINA","Brand Name":"TESTECH","Material":"Carbon Steel, Stainless Steel, Aluminum Alloy"}}
{"title":"AWS RC Resolution Calibration Block For Ultrasonic NDT Weld Inspection ISO 2400","imgUrl":"https:\/\/img.chinax.com\/nimg\/65\/91\/9b044f950765fb57f11d827465b8-200x200-1\/aws_rc_resolution_calibration_block_for_ultrasonic_ndt_weld_inspection_iso_2400_ce.jpg","attrs":{"Place of Origin":"CHINA","Model Number":"RC Resolution Test Block","Product":"Ultrasonic RC Resolution Block - AW","Unit System":"Inch & Metric Compatible"}}
{"title":"Scanning Surface Blind Zone Height Measurement Ultrasonic Calibration Blocks","imgUrl":"https:\/\/img.chinax.com\/nimg\/c1\/bc\/fcca3bf1707ffbeec8434e586a5e-200x200-1\/scanning_surface_blind_zone_height_measurement_ultrasonic_calibration_blocks.jpg","attrs":{"Brand Name":"TESTECH","Type":"Scanning Surface Blind Area Test Block","Purpose":"Blind Area Height Measurement","Price":"Bulk discount"}}
A flat calibration block for ultrasonic testing of welds specified in ASME BPVC Section V, designed for thin plate and thin-wall welds with thickness ≤ 25 mm.
General Information
Full Name: ASME 19 Calibration Block / ASME No.1 Non-Piping Calibration Block Standard Reference: ASME BPVC Section V, Article 4, T-434.2.1 Main Functions: Calibration of ultrasonic tester sensitivity, DAC curve, sound velocity and sweep range Application: Flat plate, vessel and structural welds (non-piping service) Applicable Workpiece Thickness: Weld & base material ≤ 25 mm
Main Specifications
Thickness (T): 19 mm (0.75 in)
Overall Dimension: 19*150*120 mm, rectangular flat block
Artificial Defects:
Three Side-Drilled Holes (SDH):
Φ2.5 mm (3/32 in) diameter, 38 mm (1.5 in) length through holes
at positions: 0.25T, 0.5T, 0.75T
Two Notches:
25*6*0.38 mm (Length * Width * Depth)
Notch depth: 2%T ≈ 0.38 mm
Material: Carbon steel (1018), stainless steel (304/316L), etc. Material shall match the P-No of test pieces
Comparison with ASME 20 Block
Calibration Block
Thickness
Applicable Weld Thickness
Hole Diameter
Notch Depth
ASME 19
19 mm
≤ 25 mm
Φ2.5 mm
0.38 mm
ASME 20
20 mm
≤ 20 mm
Φ2/Φ3 mm
None (Flat Bottom Hole)
Operation Guidelines
DAC Curve: Establish Distance-Amplitude Curve by three side-drilled holes for defect evaluation
Sensitivity Calibration: Set testing sensitivity with the Φ2.5 mm side-drilled hole at 0.5T position
Sound Velocity & Sweep Range: Calibrate via the 19 mm block thickness
Curvature Requirement: For flat plates and large-diameter vessels (OD > 500 mm). Curved blocks shall be used for pipes with OD ≤ 500 mm
Typical Applications
Thin welds of pressure vessels, storage tanks and boilers
Butt & fillet welds of steel structures, marine and construction machinery
On-site ultrasonic testing in power, petrochemical and oil & gas industries
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
18 years
Total Annual:
250 US dollar-285 US dollar
Employee Number:
30~35
Ecer Certification：
Verified Supplier
TESTECH GROUP is a high-tech company where we focus on the research, development, and manufacturing of ultrasonic equipment as well as ultrasonic probes. Our enterprise still continues to devote itself to nondestructive testing and we are the leading manufacturer of nondestructive testing instrume...
TESTECH GROUP is a high-tech company where we focus on the research, development, and manufacturing of ultrasonic equipment as well as ultrasonic probes. Our enterprise still continues to devote itself to nondestructive testing and we are the leading manufacturer of nondestructive testing instrume...
