Ninthore Overseas is one of the leading Manufacturer And Exporter Of High Quality Alloy Steel F91 Round Bar, which has some great features to offer such as Corrosion resistance, Rugged design, Fine finish and more. Our experts monitor and make sure that these Alloy Steel F91 Square Bars are tested for its hardness and dimensional accuracy. The company is well known in the market for the manufacture, trade, supply and the export of a wide range of our Alloy Steel F91 Flat Bars that include flanges which have been bought from well-known experts in the market and they have been priced at very cost effective rates in the market. These Alloy Steel F91 Threaded Bars are used for plumbing because it offers a range of benefits, with particular importance attached to its hygiene properties, its resistance to corrosion and low maintenance.

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Alloy Steel F91 Round Bar

Alloy Steel F91 Round Bar

We offer the most comprehensive processing of our Alloy Steel F91 Hollow Bars in the copper and brass industry, which includes edge conditioning, sawing, rerolling, blanking, traverse winding and deburring. These Alloy Steel F91 Hexagonal Bars are present in the market in coil or sheet form after that it is processed into finished products by the manufacturer.

Added molybdenum gives our Alloy Steel F91 Triangular Bars greater temperature tensile strength and the chromium provides improved corrosion resistance. We offer these Alloy Steel F91 Rods in diverse sizes, shapes and specifications, that too at industry leading prices.

Alloy Steel F91 Round Bar Specifications
Specifications : ASTM A182, ASME SA182
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
: 5mm to 500mm Dia in 100mm to 6000mm Length
: 10 mm To 200 mm
Thickness : 0.5mm to 500mm Diameter
High Speed Steel (HSS), HCHCR & OHNS in Grade
: M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length : 1000 mm Long To 6000 mm Long
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
F91 Alloy Steel Round Bar Chemical Composition
Grade C Mn Si P S Cr Mo
Alloy Steel F91 0.08-0.12  0.3-0.6 0.5  0.02 0.01 8.5-9.5 0.85-1.05
Alloy Steel F91 Rods Mechanical Properties
Tensile Strength Yield Strength (0.2%Offset) Elongation
415 585 20 %
Alloy Steel F91 Round Bar Application Industries
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
F91 Alloy Steel Rods Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing
We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)