Ninthore Overseas Is One Of The Leading Manufacturer And Exporter Of High Quality Stainless Steel 303 Chain, where along with alloy chemistry, metal dusting resistance is influenced by grain size. Stainless Steel 303 Angle has good resistance to corrosion and oxidation along with high tensile and creep – rupture properties at temperatures to 1300 Degree F. The excellent relaxation resistance of Stainless Steel 303 C-Channel is useful for high temperature springs and bolts. Stainless Steel 303 H-Beam is used in gas turbines, rocket engines, nuclear reactors, pressure vessels, tooling, and aircraft structures. Stainless Steel 303 I-Beam is capable of extreme temperature use up to and beyond 2200 Degree F (1200 Degree C).

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Stainless Steel 303 Chain

Stainless Steel 303 Chain

For thermal processing applications of Stainless Steel 303 T-Beam where minimal product contamination is necessary, the oxidation / scaling resistance of are extremely desirable. Stainless Steel 303 Chain is a heat resistant, titanium stabilized, austenitic alloy that’s commonly used for service in the 1000 Degree F – 1600 Degree F temperature range.

In order to provide optimum resistance to inter – granular corrosion and to polythionic acid stress corrosion cracking in service temperatures at 1500 Degree F – 1650 Degree F in 303 Stainless Steel Angle, an air cool may be used. Simply having a high temperature 303 Stainless Steel Chain with chromium and nickel without these elements would be insufficient for a metal dusting application. A finer grain size greatly increases the rate of 303 Stainless Steel H-Beam at which chromium can diffuse to the surface to form a protective film.

SS 303 Angle, Channel, Beam, Chain Specifications
Specifications : ASTM A 276/A 276M,A 484/A 484M,A 564/A 564M,A 582/A582M,A 638 /A 638M,A705/A705M
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
SS 303 Angle
: 5mm to 9mm
SS 303 Channel
: 40mm*20mm~300mm*300mm
SS 303 Beam : 3″ thru 12.31″
SS 303 Chain
: 1/8 inch – 1/2 inch Diameter
: 3.0mm – 120mm
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
Type : Angle, C Channel, U Channel, H Beam, I Beam, T Beam, W Beam, Chain
303 Stainless Steel Angle, Channel, Beam, Chain Chemical Composition
Grade C Mn Si P S Cr Mo Ni N
SS 303 0.15 max 2 max 1 max 0.20 max 0.15 min 17.0-19.0 8 – 10
Stainless Steel 303 Angle, Channel, Beam, Chain Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
0.285 lb/in3 Psi – 85000 Psi – 45000 50 %
Equivalent Grades for 303 Stainless Steel Angle, Channel, Beam, Chain
SS 303 1.4305 S30300 SUS 303  –  –
SS 303 Angle, Channel, Beam, Chain 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
303 Steel Angle, Channel, Beam, Chain 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)