Hot-rolled, forged, peeled, turned or cold-finished conditions
Product formBars
/ 01 — TECHNICAL OVERVIEW
Stainless Steels & Nickel Alloys Round Bars
NESCO Pipe & Tubes is a supplier, stockist, importer and exporter of stainless steel, duplex, super duplex, nickel alloy, titanium and copper-nickel round bars, supporting standard and project-specific requirements.
Round bars are widely used for machining, shafts, valves, fasteners, structural components, supports, tooling and fabricated assemblies. They are selected based on grade, diameter, length, condition, dimensional tolerances, surface finish and applicable inspection requirements.
Availability may include ex-stock, mill production or made-to-order supply, depending on the material, dimensions and quantity required.
How it is made
01
Round bar may be produced by hot rolling, forging or extrusion depending on the alloy, size and specified product route.
02
Heat treatment develops the specified grade condition and mechanical properties.
03
Straightening and optional peeling or turning remove scale and surface decarburisation.
04
Cold drawing, centreless grinding or polishing achieves tighter size and finish where ordered.
05
Diameter, straightness, surface, hardness and required ultrasonic inspection are verified heat-wise.
Request reviewed quotation Material documents on request
/ 02 — PRODUCT DETAIL
Built around the specification.
Key characteristics and commonly referenced standards from the supplied technical content master.
Key features01 02 03 04
Straight lengths or cut pieces
Centreless ground or polished finishes
UT and mechanical testing for critical applications
Common specification references
STD
ASTM A276 / A479 for common stainless bar applications
STD
ASTM A484 general requirements
STD
Material-specific nickel, duplex, copper-nickel and titanium standards
Explore the bars range
/ 03 — AVAILABLE GRADES
Available Material Grades
NESCO supplies the material families shown below in bar form, subject to the exact grade, profile, size, condition, standard and availability.
Material familyAvailable materials and grades
Stainless Steel304, 304L, 316, 316L, 310S, 317L, 321, 347, 347H and 904L
Duplex Stainless SteelUNS S31803 and UNS S32205 (2205)
Super Duplex Stainless SteelUNS S32750 (2507) and UNS S32760
Nickel AlloysAlloy 20, Alloy 28, Alloy 200, Alloy 201, Monel 400, Inconel 600, Inconel 601, Inconel 625, Inconel 718, Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 825, Hastelloy C276 and Hastelloy C22
TitaniumGrade 2, Grade 5 and other applicable grades
Cupro NickelCu-Ni 90/10 (C70600) and Cu-Ni 70/30 (C71500)
/ 04 — SUPPLY & CUSTOMISATION
Define the supply condition.
Final availability depends on the complete combination of material, dimensions, standard, condition, testing and quantity.
ParameterTypical information to specify
01Dimensions
Diameter, across flats, side or width × thickness
02Condition
Hot rolled, forged, solution annealed, cold drawn, peeled, ground or polished
03Length
Random, fixed or cut pieces
04Tolerance
Commercial, precision or agreed tolerance class
05Surface
Black, pickled, bright, ground, polished or machined
06Testing
PMI, hardness, mechanical, UT or other agreed tests
07Identification
Heat-wise tagging, stamping or colour coding as agreed
/ 05 — DIMENSIONS & SIZE RANGE
Dimensions aligned to the manufacturing route.
Round-bar dimensions are specified by diameter, length, manufacturing condition and tolerance. Confirm straightness, surface finish and end preparation where critical.
Ordering parameterTypical optionsWhat to stateAcceptance focus
DiameterStandard or non-standardNominal diameter and toleranceDimensional accuracy
LengthRandom, fixed or cut-to-sizeFinished length and toleranceCut-length accuracy
ConditionHot rolled, forged, cold drawn, peeled, ground or polishedRequired conditionMechanical and surface condition
SurfaceBlack, pickled, bright, ground, polished or machinedRequired finishSurface quality
StraightnessStandard or precisionPermitted deviationStraightness over length
EndsMill cut, saw cut, machined or chamferedEnd preparationSquareness and burr control
/ 06 — MANUFACTURING STANDARDS
Standards aligned for every order.
The material standard, dimensional standard and project requirements should be stated separately.
ReferenceWhat it coversRole
ASTM A276/A276MStainless steel bars and shapes
General bar material
ASTM A479/A479MStainless steel bars and shapes for use in boilers and other pressure vessels
Pressure equipment
ASTM A484/A484MGeneral requirements for stainless bars, billets, shapes and forgings
Tolerance / quality
Applicable ASTM B-series specificationsNickel alloys, titanium alloys and copper-nickel/copper alloys, depending on grade and product form
Special alloys
EN 10088-3Technical delivery conditions for stainless semi-finished products, bars, rods, wire, sections and bright products for general purposes
European reference
Drawing / tolerance classProfile dimensions, straightness, finish and cut length
Order-specific
/ 07 — INSPECTION & TESTING
Evidence before dispatch.
01Heat-number and MTC review
02Profile size and dimensional tolerance
03Straightness, twist and length inspection
04Surface examination and finish comparison
05PMI and hardness when specified
06Ultrasonic testing for critical bar
07Cut-list and piece-mark verification
PACKAGING & MARKING
Protected and traceable.
01Heat-wise bundles with separators between grades
02Oiled or wrapped surfaces where appropriate
03Threaded or machined ends protected
04Wooden cases or crates for precision cut pieces where required
05Grade, heat, size, condition and PO tags on each bundle
/ 08 — APPLICATIONS & INDUSTRIES
Engineered for demanding service environments.
From process plants to marine systems, NESCO coordinates material, dimensions and documentation around the operating conditions of each application.
01
Shafts and pump components02
Valves and fittings03
Fasteners and threaded parts04
Machined components
05
Chemical and marine equipment06
Industrial machinery and OEM components
07
Food/pharma equipment08
General engineering and fabricationIndustries servedOne supply partner across critical sectors.
MachiningValves & pumpsOil & gasChemical processingMarineIndustrial machinery & OEMsFood equipmentGeneral engineering
/ 09 — WHY NESCO PIPE & TUBES
Built for buyers who cannot leave details to chance.
From specification review to export documentation, NESCO coordinates the technical and commercial details as one complete supply requirement.
01
Specification control
NESCO reviews the grade, product standard, dimensions, condition and acceptance criteria as one coordinated requirement.
02
Multi-material sourcing
Stainless steel, duplex, nickel alloy, copper-nickel and titanium requirements can be combined within one project enquiry.
03
Traceable documentation
Heat numbers, MTCs and agreed inspection records are aligned with the purchase order before dispatch.
04
Inspection coordination
PMI, dimensional checks, NDT and third-party witnessing can be arranged against an approved inspection plan.
05
Value-added processing
Cutting, machining, end preparation, polishing or protective finishing can be reviewed with the base material supply.
06
Export-ready packing
Identification, surface protection and packing are planned around product geometry and the final transport route.
07
Responsive RFQ review
Technical and commercial inputs are consolidated early so queries are resolved before quotation and production.
08
One accountable supply desk
NESCO provides a single contact for material, processing, documentation, packing and delivery coordination.
/ 10 — FREQUENTLY ASKED QUESTIONS
Clear answers before you specify.
Quick guidance on product selection, standards, dimensions, inspection and documentation. For project-specific requirements, NESCO will review the complete enquiry with your team.
01What is the difference between hot-rolled, peeled and ground bar?
Each route provides a different surface and dimensional accuracy. Machining allowance, tolerance and final component requirements should drive the selection.
02Can round bars be ultrasonically tested?
UT can be arranged for critical bar requirements when the test method, quality class and acceptance criteria are stated.
03What information is needed to quote bar?
State profile, grade, material standard, size, tolerance, condition, finish, length, quantity and testing.
04Can bars be supplied in fixed cut lengths?
Yes, subject to cutting tolerance, minimum order quantity and the selected grade and diameter.
05Which finish is best for machining?
Peeled, turned, ground or bright-drawn conditions may reduce machining allowance; the final component tolerance and surface requirement should guide selection.
06Can heat-wise traceability be maintained after cutting?
Piece marking or heat-wise segregation can be arranged when specified before processing.
/ 11 — REQUEST FOR QUOTATION Nesco direct sales desk
Ready to source?Start with the details you already have.
Our team will review the grade, dimensions, testing and delivery requirements together.