Nascent Fittings Inc.·Carbon Steel
Carbon Steel RECTANGLE BARS & SHAFTS
Round bars & shafts in SS, CS, alloy, duplex & nickel. Cut lengths with MTCs for machining, stems and industrial OEM supply.

- Material
- Carbon Steel
- Size
- Common diameters
- Standard
- ASTM
- Corrosion
- Moderate
About
Carbon Steel Bars & Shafts
Product overview combined with Carbon Steel material context for project selection.
Round bars, shafts and related solid sections for machining, fasteners, stems and mechanical equipment. Nascent supplies stainless, alloy, carbon, duplex, nickel and copper-alloy bars in standard and cut lengths with mill certificates.
Bars are offered in common diameters and finishes for pump shafts, valve stems, fasteners and fabricated components—supporting maintenance and OEM industrial demand.
Manufacturing note
Nascent Fittings INC. creates custom forged rectangle or hex bars in sizes from 1″ up to 65″ depending on weight, in both ferrous and non-ferrous materials. Our rectangle forged bars are used for a wide variety of industries, such as Service Centres, Shipbuilding, OEM, Defence and Mining. The company has had the most complicated and sophisticated stocking infrastructure for cold drawn rectangular bars; it has been in operation since that time. Rectangle bars are available in a variety of grades, sizes, and sections to meet the specific requirements of our customers. Nascent fittings has built a solid reputation for itself. As one of the most trusted suppliers of finished steel bright bars in both the domestic and international markets.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Refineries
- Pressure Vessels
Configurations
Carbon Steel Bars & Shafts types
Open a type for drawings-aligned specifications.
Material scope
Carbon Steel specification
Dimensional and grade range typically supplied for RECTANGLE BARS & SHAFTS in this material.
- Grade
- ASTM/ASME A/SA A105, LF2
- Grade
- ASTM/ASME A/SA F11, F22, F91 F12, F5, F9,
- Grade
- Special Grade: 4130 , 4140, 17-4 PH, 15-5 PH, 4122 etc.
- Grade
- ASTM/ASME A/SA-182, A/SA-479, 310, 321, 317L, 347, 309, 409, 410, 420, 430, 440, 904L, F304/304L/304H, 316/316L/316H/316Ti etc.
- Grade
- Copper Nickel: C70600(90:10), C71500(70:30)
- Grade
- Hastelloy: UNS N10276, N06455, N06022, N10665,
- Grade
- Monel: UNS N04400, N05500,
- Grade
- Aluminium: 2024, 6061, 6063, 6101, 7075.
- Grade
- Titanium: Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23.
Carbon Steel grades
Available grades for Bars & Shafts
Drawn from the Carbon Steel catalog and this product’s material specification.
ASTM A105
Standard carbon steel forging grade for ambient and higher temperature service.
Best for · General piping applications
F42
High-strength carbon steel for pipeline systems.
Best for · Pipeline transmission systems
F46
Carbon steel grade for pressure transmission service.
Best for · Pipeline applications
F52
Medium-high strength carbon steel grade.
Best for · High-pressure piping
F56
Enhanced strength carbon steel grade.
Best for · Transmission pipelines
F60
High-strength carbon steel for critical pressure systems.
Best for · Pressure transmission systems
F65
Premium carbon steel grade for high-performance piping systems.
Best for · Critical pipeline infrastructure
F70
Highest strength ASTM A694 carbon steel grade.
Best for · Long-distance transmission pipelines
ASTM A234 WPB
Standard carbon steel buttweld fitting grade for moderate and elevated temperature service.
Best for · General buttweld piping
P235TR2
EN carbon steel grade for welded tubes for pressure purposes with specified elevated temperature properties.
Best for · Pressure tubing
P265TR2
Higher-strength EN carbon steel for welded pressure tubes.
Best for · Higher pressure tube service
P235GH
EN non-alloy steel for elevated temperature pressure vessels and pipe.
Best for · Elevated temperature pressure service
Also available in
Other materials for this product
View Bars & Shafts in another material grade family.
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Material
Aluminium
Bars & Shafts
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Material
Stainless Steel
Bars & Shafts
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Material
Alloy Steel
Bars & Shafts
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Material
Duplex Steel
Standards: ASTM, ASME, EN and project specs
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Material
Titanium
Bars & Shafts
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Material
Monel
Bars & Shafts
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Material
Hastelloy
Bars & Shafts
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Material
Copper
Standards: ASTM, ASME, EN and project specs
View
Material
Low Temperature Carbon Steel
Bars & Shafts
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Material
Nickel Alloy
Standards: ASTM, ASME, EN and project specs
View
Material
Copper Alloy
Standards: ASTM, ASME, EN and project specs
View
Material
Cupro Nickel
Bars & Shafts
ViewCompliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
5ASTM
ASTMASTM International material and product specifications.
- Scope
- Umbrella reference for ASTM material grades used across the catalog.
- Applies To
- Carbon, alloy, stainless, duplex and nickel-alloy piping products
ASME
ASMEAmerican Society of Mechanical Engineers — boiler, pressure vessel and piping codes.
- Scope
- Umbrella reference for ASME dimensional and material standards used on this product line.
- Applies To
- Flanges, fittings, pipes and related pressure components
EN
CENEuropean Norms for materials, flanges and fittings.
- Scope
- Umbrella reference for EN material and flange standards.
- Applies To
- EU-specified piping materials and PN flanges
ASTM A105
ASTMCarbon steel forgings for piping applications.
- Scope
- Forged carbon steel piping components for ambient and higher-temperature service.
- Applies To
- Flanges, fittings, valves and similar parts
- Typical Grades
- A105 / A105N
ASTM A694
ASTMCarbon and alloy steel forgings for pipe flanges, fittings, valves and parts for high-pressure transmission service.
- Scope
- High-strength carbon steel forgings for pipeline transmission flanges and fittings.
- Applies To
- Flanges and forged fittings for high-pressure gas/oil transmission
Certificates
5EN 10204 3.1
Mill test certificate with inspection by the manufacturer’s authorized inspection representative, independent of manufacturing.
- Type
- Inspection document (MTC)
- Scope
- States chemical analysis, mechanical test results and heat / lot identification for the supplied material.
- Documentation
- EN 10204 Type 3.1
- Benefit
- Provides traceable material evidence required on most industrial RFQs.
ISO 9001
Quality Management System certification.
- Type
- Quality Management System
- Scope
- Demonstrates a documented QMS covering process control, traceability and continual improvement across manufacturing and supply.
- Benefit
- Assures buyers of consistent product quality and controlled production practices.
- Issued As
- Third-party accredited certificate
PED
Pressure Equipment Directive compliance for equipment placed on the EU market.
- Type
- Regulatory conformity
- Scope
- Design and conformity assessment requirements for pressure equipment and assemblies in the European Union.
- Benefit
- Enables supply of pressure-rated components into EU projects when PED conformity is required.
- Related
- CE marking / Notified Body routes as applicable
IBR
Indian Boiler Regulations approval for boiler-quality piping materials and components.
- Type
- Regulatory approval
- Scope
- Materials and components intended for use under Indian boiler installations.
- Benefit
- Required for many power and process projects under IBR jurisdiction in India.
NACE MR0175
Materials for use in H₂S-containing environments in oil and gas production.
- Type
- Service / sour-service requirement
- Scope
- Limits hardness, microstructure and material selection for sulfide stress cracking resistance.
- Applies To
- Carbon, alloy and CRA piping products ordered for sour service
- Benefit
- Supports upstream oil & gas projects specifying sour-service compliance.
People also ask
Questions about Bars & Shafts
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Bars & Shafts?+
Yes. Nascent Fittings Inc. manufactures and supplies Bars & Shafts for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Bars & Shafts worldwide?+
Yes. We export Bars & Shafts globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Bars & Shafts?+
Bars & Shafts is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for Carbon Steel RECTANGLE BARS & SHAFTS?
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