ERW Steel Pipe
Longitudinal resistance-welded pipe formed from coil, with the grade, wall and end preparation matched to the order.
Browse Steel Pipes & Tubes
LSAW Steel Pipe
Plate-formed pipe with a longitudinal submerged-arc weld for specified large-diameter transmission and structural work.
SSAW Steel Pipe
Spiral submerged-arc welded pipe for water, infrastructure and piling schedules that permit this manufacturing route.
Seamless Carbon Steel Pipe
Carbon steel pipe made without a welded seam, selected by the required pressure-service standard, grade and wall.
Alloy Steel Pipe
Alloy pipe for specified temperature and process duties, with grade and heat-treatment requirements kept together.
Stainless Steel Pipe
Stainless pipe selected around the process medium, grade, dimensions and required internal and external surface condition.
Boiler Tubes
Boiler and heat-transfer tubes ordered by tube standard, outside diameter, wall basis and required delivery condition.
Galvanized Steel Pipe
Zinc-coated steel pipe with the base-pipe specification, coating requirement and joint preparation stated separately.
Black Steel Pipe
Carbon steel pipe for fabrication and specified piping duties, with the ordered wall, ends and surface condition identified.
Hollow Structural Sections
Compare square, rectangular and round structural tubing for mixed-profile orders before selecting individual member sizes.
Square HSS
Square hollow sections for frames and members requiring equal outside faces, specified wall thickness and cut lengths.
Rectangular HSS
Rectangular hollow sections ordered by both outside dimensions, wall and the orientation of cuts or connection details.
Round HSS
Round structural tubing specified by actual outside diameter and wall, with roundness and connection geometry in view.
API 5L Line Pipe
Line pipe for a defined API 5L grade and product specification level, using the permitted welded or seamless route.
OCTG Casing & Tubing
Well casing and production tubing selected by API 5CT grade, size, weight designation and the specified end connection.
Coated Steel Pipe
Pipe with an external coating or internal lining defined for the service, including surface preparation and joint cutbacks.
EMT Steel Conduit
Plain-end galvanized steel electrical tubing ordered by EMT trade size and matched to the selected conduit fittings.
IMC Steel Conduit
Galvanized intermediate metal conduit for threaded electrical runs, with trade size and coupled-length basis specified.
ASTM A53 Pipe
Order by the ASTM A53 type and grade, then identify the nominal size, wall, black or galvanized finish and pipe ends.
ASTM A106 Pipe
Seamless carbon steel pipe specified to ASTM A106 for high-temperature service, with the required grade and wall stated.
ASTM A500 HSS
Structural tubing ordered to ASTM A500 by grade, section shape, outside dimensions and nominal wall thickness.
ASTM A252 Piling Pipe
Steel pipe piles specified to ASTM A252, with grade, diameter, wall and splice or end details set by the foundation design.
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Welded pipe sizes
ERW, LSAW and SSAW pages organize the welded routes by their material and dimensional scope. Use the route permitted by the piping or structural specification.
ERW pipe sizesSeamless and service-specific pipe
Carbon, alloy, stainless and boiler products address different media, temperatures and delivered conditions. Open the relevant material page for its grade and dimensional choices.
Seamless pipe sizesStructural tubing and piles
Square, rectangular and round HSS are selected by outside section dimensions and wall. Pipe piles have their own material and foundation requirements.
HSS profilesElectrical conduit
EMT uses unthreaded tubing and matching fittings; IMC uses a threaded conduit connection. Open the electrical product page for trade sizes and accessories.
Conduit sizes| Product designation | Nominal OD (in.) | Nominal wall (in.) | Ordering distinction |
|---|---|---|---|
| NPS 2 carbon steel pipe, Schedule 40 | 2.375 | 0.154 | Pipe standard, grade and specified ends |
| NPS 2 carbon steel pipe, Schedule 80 | 2.375 | 0.218 | Same nominal OD; heavier wall |
| Trade size 2 steel EMT | 2.197 | 0.065 | Plain-end electrical tubing |
| Trade size 2 steel IMC | 2.360 | 0.105 | Threaded electrical conduit |
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Pipe Standards, Grades and Surface Conditions
ASTM A53 / A106General and high-temperature pipeA53 covers specified welded and seamless pipe types; A106 covers seamless carbon steel pipe for high-temperature service. Grade and dimensional requirements belong to the selected specification, so these designations are not interchangeable purchase descriptions.
API 5L / API 5CTLine pipe and well tubularsAPI 5L identifies line pipe; API 5CT identifies well casing and tubing. Their grades, inspection requirements and end connections follow different service and purchasing schedules.
ASTM A500 / A252Structural tubing and pipe pilesA500 addresses structural tubing; A252 addresses steel pipe piles. The structural design determines member dimensions and grade. A similar outside diameter does not establish equivalent acceptance requirements.
Alloy and Stainless SpecificationsMaterial and delivered conditionAlloy pipe, stainless pipe and boiler tube orders need their own product specification, grade and heat-treatment or delivery condition. A pressure-pipe designation should not be assumed to cover a heat-transfer tube.
ANSI C80.3 / C80.6Steel EMT and IMCThese references distinguish the electrical tubing and intermediate conduit products. Review any required UL listing against the actual supplied manufacturer, product and size scope; the reference alone is not listing evidence.
Coating and Lining RequirementsProtection applied to a defined base pipeA coating or lining protects an already defined base pipe. Its surface preparation, thickness and inspection criteria follow the selected protection system; uncoated ends and cutbacks preserve the joining areas required for installation.
Cut Lengths, Prepared Ends and Finishes
Finished Lengths
Full lengths and cut pieces are ordered with their own finished lengths, tolerances and piece counts. Assembly or bundle grouping keeps repeated cuts identifiable when the order reaches the fabricator.
Pipe and Tube Ends
Plain, beveled, threaded and grooved ends serve different joints. Preparation follows the specified end geometry, mating part and wall. Electrical conduit connections use their own fitting system rather than pressure-pipe joint requirements.
Galvanizing and Coatings
Galvanizing, external coatings and internal linings protect different surfaces. The order identifies coverage of the bore, outside surface and ends, with the selected system and inspection records kept together.
Drawing-Based Processing
Holes, bends and welded attachments depend on the drawing’s orientation and tolerances as well as the tube size. That geometry determines the processing scope and the finished condition required for assembly.
Marking and Export Bundles
Bundle marks connect each grade, wall and length to its packing-list line. Thread and end protection, with separation between coated surfaces, protects the prepared pieces during handling.
Inspection and Records for the Selected Pipe Family
Check the Product Against Its Order Line
Material TraceabilityKeep heat or batch identity connected to the ordered grade, product marks and material report.
Dimensions and ShapeCheck the specified OD or face dimensions, wall, length and relevant roundness or straightness limits.
Required Product TestsHydrostatic, NDT and mechanical test records follow the applicable standard and agreed order inspection plan.
Ends and Surface ConditionVerify the prepared joint geometry, bore condition and specified coating before protecting the finished ends.
Define the Required Pipe Records
- Mill test report with grade and heat or batch identification
- Dimensional inspection report for the selected product
- Hydrostatic or NDT records as required by the product standard
- Coating or galvanizing inspection records where specified
- Required product listing or approval identification
- Packing list with size, length, quantity and bundle marks
Product Sizes and Supply Details
ERW Pipe Dimensions and Ends
Review welded carbon pipe sizes and order options when the manufacturing route has already been specified.
HSS Profiles and Mixed Sizes
Build a structural-tube schedule across square, rectangular and round profiles without replacing actual dimensions with nominal pipe labels.
Coated Pipe and Joint Areas
Define the protection applied to the selected base pipe, including surface preparation, coating acceptance and cutbacks.
Questions About Buying Across Pipe Families
Can one pipe order include cut and full lengths?
Yes. Keep a separate piece quantity and finished length for each item so cutting and bundle identification follow the material list.
Can we compare a welded alternative with seamless pipe?
We can quote a permitted alternative as a separate item. The project specification and responsible engineer determine whether that route can be used.
Where can I check manufacturer and supply responsibilities?
The company page describes METDAX’s manufacturing and supply scope. Product-specific documents are identified for the requested order.
Get a Steel Pipe and Tube Supply Quote
Send your pipe list or drawings with the product standard, grade, size and wall, lengths, quantities, ends, finish and destination. For an early-stage inquiry, describe the service and provide the dimensions or drawings you already have.
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- End, coating and inspection scope
- Quantity, packing and delivery conditions