NobelClad Simplified Procedure for Detaclad®
Explosion Clad
July 12, 2019
INTRODUCTION
This simplified procedure covers the steps to produce explosion welded clad (EXW) plates using NobelClad’s
Detaclad® process.
OPERATION
DESCRIPTION
Raw Material Inspection
Cladder (cladding metal) and Backer
(base metal) go through Receiving
and Inspection:
•
Dimensions (Length, Width)
•
Thickness
•
Mill certificates
Cladding material is Seam Welded
together using GTAW/Machine WPS
with applicable HT treat
Welds go through NDE testing (PT
and RT)
Surface Preparation
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Grinding of surfaces to be bonded by
mechanical means to:
•
Clean surfaces from oxides
and impurities
•
Achieve optimum surface
condition to insure the
highest quality bond
sales@nobelclad.com
NobelClad Simplified Procedure for Detaclad ® Explosion Clad
Document 1, Rev 1 Issued 7/12/19
Prepared by Edgar Vidal
Approved by Joe Mayfield
OPERATION
DESCRIPTION
Assembly
Positioning of cladding alloy on the
top of Base to achieve the nominal
Stand-off Distance required by the
process
Assembled into a pack and moved to
the explosion site
Cladding Operation
Loading of the explosive on the top
of the cladding alloy
The explosive type and charge are
precisely defined by the process.
The ignition point is precisely located
into the explosive layer depending on
plate type and size.
Flattening & Cutting
Bonded plate back to manufacturing
site for Post-bond operations
Stress relief as required by material
combination
Roller flattening
Ultrasonic Inspection &
Testing
Bonded plate surface area is 100%
ultrasonically inspected
Plate is cut to requested dimensions
and stamped to ensure traceability
If applicable the plate has a
cosmetic weld repair at the initiation
point of the explosion using GTAW/
Manual
The bonded plate receives final
flattening if required
nobelclad.com
sales@nobelclad.com
NobelClad Simplified Procedure for Detaclad ® Explosion Clad
Document 1, Rev 1 Issued 7/12/19
Prepared by Edgar Vidal
Approved by Joe Mayfield
OPERATION
DESCRIPTION
Ultrasonic Inspection &
Testing (continued)
Final inspection prior to releasing
(dimension, flatness, UT, Weld PT)
Surface finished and marked per
customer request
The plate is packed and shipped
N OT E : All steps are controlled by ISO 9001-2015, ASME U stamp # 38,546, ABS MA# 14-ER2734063 for quality
assurance and design assessment. Digital x-ray is also available.
SUMMARY OF TESTS AND INSPECTIONS FOR DETACLAD PLATES
For more information, please refer to DMC 100, Rev 3.
Test
Section in Specification
When Performed
Base Metal Tensile Strength
Section 8
Always
Base Metal Chemical Analysis
Section 6
Always
Cladding Metal Chemical Analysis
Section 6
Always
Ultrasonic Inspection of Bond
Section 10
Always
Dimension Inspection
Section 9
Always
Flatness Inspection
Section 9.3
Always
Certifications for All Tests
Section 14
Always
Base Metal Ultrasonic Inspection
Section 10.2
When required by contract
Cladding Metal Ultrasonic Inspection
Section 10.2
When required by contract
Bond Shear Strength Testing
Supplementary Requirement S1
When required by contract
Ductility Bend
Supplementary Requirement S3
When required by contract
AD-W8 Test Group
Supplementary Requirement S4
When required by contract
Positive Material Identification
Supplementary Requirement S5
When required by contract
Product Chemical Analysis
Supplementary Requirement S6
When required by contract
Simulated Heat Treatments
Supplementary Requirement S7
When required by contract
Impact Tests
Supplementary Requirement S8
When required by contract
Ferroxyl Inspection
Supplementary Requirement S9
When required by contract
Hardness
Supplementary Requirement S10
When required by contract
Penetrant Inspection
Supplementary Requirement S11
When required by contract
Through Thickness Tensile Testing of
Stainless Steel and Nickel Alloy Clad
Supplementary Requirement S12
When required by contract
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sales@nobelclad.com