AISI 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents.
Sulfur S: allowable residual content ≤0.035,
Phosphorus P: allowable residual content ≤0.035,
Chromium Cr: 0.80～1.10,
Nickel Ni: allowable residual content ≤0.030,
Copper Cu: allowable residual content ≤0.030,
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
Sea Water Equipment
Pulp and Paper Industry
Material Testing of Aisi 4130 seamless pipe:
Mechanical Testing Such as Tensile of Area
Chemical Analysis – Spectro Analysis
Positive Material Identification – PMI Testing
Micro and MacroTest
Pitting Resistance Test
Intergranular Corrosion (IGC) Test