Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality AISI 4130 Pipes, which have some best features to offer such as finely finished, precision – designed, non – corrosive and more. In order to win the rich acclamation of our clients from across the country we are engrossed in the business of our AISI 4130 Seamless Pipes. These AISI 4130 Welded Pipes are very well known as they are highly resistant to corrosion in seawater, high strength, excellent finish and reliability. Our AISI 4130 EFW Pipes are made using good quality steel alloys and are offered in different sizes and shapes.

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AISI 4130 Pipes

AISI 4130 Pipes

As per the changing needs and demands of our respected customers, we are highly indulged in bringing forward a huge and commendable collection of these AISI 4130 ERW Pipes. Meanwhile, our AISI 4130 Round Pipes are also being offered in customized sizes and shapes to our customers. These AISI 4130 Square Pipes, which has good mechanical properties both at ambient and elevated temperatures of up to 930 Degree F (500 Degree C), is readily fabricated using the common industrial techniques.

For applications requiring maximum ductility, our AISI 4130 Rectangular Pipes with low sulfur levels can be supplied by producers using ladle – refining techniques. Ninthore Overseas is one of the pioneer exporting houses & dealer in these AISI 4130 Electropolish Pipes, which also contains niobium for stabilization against sensitization and resultant inter – granular corrosion.

AISI 4130 Seamless Pipes Specifications
Specifications : ASTM A29 ASME SA29
Dimensions : ASTM, ASME and API
Size : 4 to 219mm W. T.: 0.5 to 20mm
Specialized in : Large Diameter Size
Length : Within 13500mm
Type : Seamless / ERW / Welded / Fabricated
Form : Round, Hydraulic Etc
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End, Treaded
AISI 4130 Pipes Chemical Composition
AISI 4130 Ni C Mo Mn Si Fe Cu S P Cr
0.50 max 0.28-0.33 0.15-0.25 0.40-0.60 0.15-0.35 97.3-98.22 0.025 MAX 0.035 MAX 0.80-1.10
AISI 4130 Pipe Mechanical Properties
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
0.28 2580 460 MPa 560 MPa 20 %
Equivalent Grades for 20 AISI Pipe
AISI 4130 G41300 1.7218 25CrMo4 JIS G4105 BS 970
AISI 4130 Seamless / Welded Pipes 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
4130 AISI Pipes 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)