Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 321 Round Bar, which has high carbon (.04 – 10) for better high temperature creep properties. If subsequently used in service at room temperature while some slight precipitation of chromium carbide can occur in Stainless Steel 321 Round Bars over an extended period this will generally have little effect on corrosion resistance. Stainless Steel 321H Round Bars provides excellent resistance to oxidation and corrosion and possesses good creep strength.

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Stainless Steel 321 Round Bar

Stainless Steel 321 Round Bar

Stainless Steel 321 Square Bars performs well in the 425 – 900 °C range, and particularly where subsequent aqueous corrosive conditions are present. Stainless Steel 321H Flat Bars is utilized in chloride or fluoride free caustic solutions at moderate temperatures. Stainless Steel 321 Threaded Bars was developed for use in the chromium carbide precipitation range of 1800 – 1500°F (427 – 816°C) where un-stabilized alloys such as 304 are subject to intergranular attack.

Pickling of the previously brushed seam area in Stainless Steel 321H Hollow Bars is carried out by dipping and spraying, however, often pickling pastes or solutions are used, where after pickling a careful flushing with water has to be done. Stainless Steel 321 Hexagonal Bars has excellent corrosion resistance in a wide variety of corrosive media, along with high creep & stress rupture properties. Stainless Steel 321H Triangular Bars is often used for Condensers, Heat exchangers, Filters, Pressure Vessels, Valves, etc.

SS 321/321H Round Bar Specifications
Specifications : ASTM A276, ASME SA276 / ASTM A479  ASME SA479
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
SS 321/321H Round Bars
: Outside Diameter in the range of 4mm to 500mm
SS 321/321H Bright Bars
: Outside Diameter in the range of 4mm to 100mm
SS 321/321H Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
SS 321/321H Square Bars
: 18mm – 47mm (11/16″ to 1-3/4″)
SS 321/321H Flat Bars
: 1/2” to 10” in thickness range of 2mm to 150mm,
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length : 1 to 6 Meters, Custom Cut Lengths
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
321/321H Stainless Steel Round Bar Chemical Composition
Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max
Stainless Steel 321/321H Rods Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
Equivalent Grades for 321/321H Stainless Steel Round Bar
STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9
SS 321/321H 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
321/321H 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

Documentation

• 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)

 

Stainless Steel 321 Round Bar

Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 321 Round Bar, which has high carbon (.04 – 10) for better high temperature creep properties. If subsequently used in service at room temperature while some slight precipitation of chromium carbide can occur in Stainless Steel 321 Round Bars over an extended period this will generally have little effect on corrosion resistance.

Product Brand: Ninthore Overseas

Product In-Stock: InStock

Editor's Rating:
5
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