Ninthore Overseas Is One Of The Leading Manufacturer And Exporter Of High Quality AISI 4130 Nipple that are durable in nature and are sturdy in construction. Our AISI 4130 Hexagon Reducing Nipple is developed to resist corrosion in dilute sulphuric acid and it is suitable to use in details placed in severe corrosion environments e.g. sulphuric acid tanks. This AISI 4130 Hexagon Nipple has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. Our AISI 4130 One End Threaded Nipple is a super – austenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments.

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AISI 4130 Nipple

AISI 4130 Nipple

Meanwhile, this AISI 4130 Both End Threaded Nipple is as well being offered in different sizes and shapes to our customers. In all types of our AISI 4130 Concentric Swaged Nipple, the alloying elements tend to form carbides or compounds, rather than simply being uniformly mixed in by means of the iron and carbon. Nickel, aluminum, and silicon are examples of the elements that form compounds in this AISI 4130 Eccentric Swaged Nipple.

Few exact rules exist for selecting through – hardening or surface – hardening grades of our AISI 4130 Hex Nipple. While in a molten state, this AISI 4130 Steel Hexagon Reducing Nipple are exposed to a vacuum which removes hydrogen and, to a lesser degree, oxygen and nitrogen.

AISI 4130 Nipple
Specifications : ASTM A213 & ASME SA213
Size : 1/4″ NB TO 4″ NB
Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Dimension : ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
AISI 4130 Nipple 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 Nipple Mechanical Properties
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
0.28 2580 460 MPa 560 MPa 20 %
Equivalent Grades for AISI 4130 Nipple
AISI 4130 G41300 1.7218 25CrMo4 JIS G4105 BS 970
AISI 4130 Nipple 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
AISI 4130 Nipple 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)



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