Heat Exchanger Tube Technical Center
Practical guidance for tube specification, inspection and project purchasing.
Explore material information, tube standards and engineering guidance for heat exchanger and condenser tube requirements.
Find guidance on wall thickness, dimensional tolerances, tube processing, inspection methods and project documentation.
Browse Technical Topics
Choose a topic to find guidance relevant to your tube specification, fabrication requirements or inspection plan.
Material Guides
Grade designations, material properties and application considerations for heat exchanger tubing.
Tube Standards
Product scope, manufacturing requirements, ordering information and inspection provisions.
Engineering Guides
Practical explanations of wall requirements, dimensional tolerances, U-bend geometry and finned-tube parameters.
Grades · Properties · Material Characteristics
Scope · Manufacturing · Testing · Ordering
Wall Basis · Tolerances · Bend Geometry · Fin Dimensions
Inspection Guides
Test methods, inspection coverage, acceptance requirements and supporting documentation.
Tube Selection Guides
Material and specification comparisons to support purchasing and project review.
Downloads
Available product catalogs, material datasheets, size information and company documents.
ET / UT · PMI · Pressure Testing · MTC · ITP
Material Comparisons · Specification Differences · Selection Factors
Catalogs · Datasheets · Size Information · Documents
Featured Technical Guides
Selected guides for common tube specification and inspection questions.
ASTM A213 vs A269
Compare product scope, tube construction, wall designation and purchasing requirements.
Minimum Wall vs Average Wall Thickness
Understand wall-thickness designations and how to state the required wall basis in an RFQ.
ET vs UT for Heat Exchanger Tubes
Review inspection methods, coverage considerations and the information required in a tube inspection specification.
Technical Downloads
Access available product and technical documents for your tube inquiry and project review.Check the document version and scope before use.
Heat Exchanger Tube Catalog
Product materials, tube forms and supply information.
Material Datasheets
Grade-specific information for material review.
Tube Size Range
Available size information and relevant supply notes.
Quality Documents
Available quality and inspection-related documents.
Company Profile
An introduction to DLSS products and project support.
Need Help Reviewing Your Tube Specification?
Send your material grade, product standard, dimensions and inspection requirements for supply review.A complete drawing or specification can replace repeated entry of individual details.
Technical guides support specification review. The governing standards, approved drawings and purchase requirements remain the basis for supply and acceptance.