4130 steel pipe, also known as chrome-molybdenum steel or chrome-molybdenum alloy steel, is made of 0.8~1.1% chromium and 0.15~0.25% molybdenum as a strengthening agent. Its performance is much higher than that of ordinary seamless steel pipes, because this kind of steel pipe contains more Cr, and its high temperature resistance, low temperature resistance and corrosion resistance are unmatched by other seamless steel pipes.
GNEE, as a professional chrome-molybdenum pipe distributor and supplier, supplies 4130 chrome-molybdenum structural steel pipes with high strength, good toughness and high hardenability. It has sufficient high temperature strength below 500℃, but the strength will drop significantly at 550℃; 4130 alloy steel pipes have good machinability and medium plasticity during cold deformation; during heat treatment, it has first-class temper brittleness in the range of 300-350℃, and there is a tendency to form white spots.
AISI 4130 Chromoly Seamless Cold Rolled Steel Pipe
Chemical composition of 4130 alloy structural pipe
Carbon C: 0.28～0.33
Silicon Si: 0.15～0.35
Manganese Mn: 0.40～0.60
Sulfur S: allowable residual content ≤0.040
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
Molybdenum Mo: 0.15～0.25
Mechanical Properties of 4130 steel alloy pipe
Yield Strength≥413 MPa
Tensile Strength≥630 MPa
Elongation≥20%
Hardness≤229 HB
Heat Treatment：Quenching at 860-890℃ followed by rapid cooling
Applications of 4130 chrome molybdenum tubes
Oil and gas field: widely used in various applications in the oil and gas field, including components such as valve bodies, pumps, oil pipes and accessories.
Aerospace field: used to manufacture commercial and military aircraft parts that require high strength and low weight, such as gears, piston pins, etc.
Automotive field: can be used as a special tube for modification of automobile bodies, engines, suspension systems, etc., to increase body strength and improve driving stability.
Why choose GNEE 4130 alloy tube
Gnee is able to provide customers with 4130 grade automotive steel pipes that can meet the high requirements of the automotive industry for half-axle bushings. By using these steel pipes, the safety and service life of the vehicle can be improved.
In addition, we can also provide 4130 precision tube, 4130 gas cylinder tube, 4130 seamless tube for automobile.
If you are looking for seamless pipe, please contact us in time to get a quote!sales@gneetube.com
Factory environment of AISI 4130 alloy pipe
Gnee Customer visit
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