Standard

AISI 4130 seamless pipe

Standard

AISI 4130 seamless pipe
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AISI 4130 seamless pipe

Date:2021-06-22View:1081Tags:AISI 4130 seamless pipe

AISI 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents.


chemical composition

 Sulfur S: allowable residual content ≤0.035,

Phosphorus P: allowable residual content ≤0.035,

Chromium Cr: 0.801.10,

Nickel Ni: allowable residual content ≤0.030,

Copper Cu: allowable residual content ≤0.030,

Molybdenum: 0.150.25.


Mechanical properties

 Tensile strength σb (MPa): ≥930 (95), yield strength σs (MPa): ≥785 (80), elongation δ5(%): ≥12, reduction of area ψ(%): ≥50, impact Work Akv(J): ≥63, impact toughness value αkv(J/cm2): ≥78(8), hardness: ≤229HB.


AISI4130 is a widely used structural steel in oil field production, and it has high hardenability. The welding quality of this steel is related to the latitude, especially when welding in the field. The latitude can affect the welding method, the process and the control of the welding rod.


AISI 4130 seamless pipe


AISI 4130 Seamless Pipe is tubing made to the pipe schedule.Alloy pipe in the power industry generally refers to A335 material, but in the oil and gas market, 4130 Pipe is used. This product is made to the pipe schedule but uses A519-4130 as the controlling Seamless specification. The material is then heat treated to L80, P110 or the customer’s specified properties. This material is easily welded and is generally used for above ground applications and utilizes the fittings, flanges and other piping components with the same 4130 chemistry. This product is a good alternative to replace X65 through X80 piping items where the usage or repair is too small for mill production.


Application of AISI 4130 Seamless Pipes:

 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


Material Testing of Aisi 4130 seamless pipe:


Mechanical Testing Such as Tensile of Area

Hardness Test

Chemical Analysis – Spectro Analysis

Positive Material Identification – PMI Testing

Flattening Test

Micro and MacroTest

Pitting Resistance Test

Flaring Test

Intergranular Corrosion (IGC) Test


  
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