25CrMo4 Precision Seamless Pipe has high hardenability, no temper brittleness, good weldability, little tendency to form cold cracks, good machinability and cold strain plasticity.
Generally used in the state of quenching and tempering or carburizing and quenching, 25CrMo4 alloy steel pipe is used to manufacture high-pressure pipes and various fasteners, higher-level carburized parts such as gears, shafts, etc. that work in non-corrosive media and media with working temperatures below 250℃ and containing nitrogen-hydrogen mixtures.
25CrMo4 Round Alloy Seamless Tube
Chemical composition of 25CrMo4 Cold Drawn Alloy Steel Pipe
Chemical composition:
Carbon C: 0.22～0.29
Silicon Si: 0.10-0.40
Manganese Mn: 0.60～0.90
Sulfur S: Allowable residual content ≤0.035
Phosphorus P: Allowable residual content ≤0.035
Chromium Cr: 0.90～1.20
Nickel Ni: Allowable residual content ≤0.030
Copper Cu: Allowable residual content ≤0.10
Molybdenum Mo: 0.15～0.30
Mechanical properties of 25crmo4 Mechanical Seamless Alloy pipe
Tensile strength σb (MPa): ≥885 (90)
Yield strength σs (MPa): ≥685 (70)
Elongation δ5 (%): ≥12
Sectional shrinkage ψ (%): ≥50
Impact energy Akv (J): ≥35
Impact toughness value αkv (J/cm2): ≥98 (10)
Hardness: ≤212HB
Specimen size: The specimen blank size is 15mm
Heat treatment specifications and metallographic structure:
Heat treatment specifications: Quenching 880℃, water cooling, oil cooling; tempering 500℃, water cooling, oil cooling.
Delivery status: Delivery in heat treatment (normalizing, annealing or high temperature tempering) or non-heat treatment state, the delivery status should be indicated in the contract.
Why choose GNEE 25crmo4 Honed Steel Tubing
GNEE mainly produces and deals in carbon steel pipes and alloy steel pipes. Our pipes include liquid conveying pipes, structural pipes, hydraulic support pipes, boiler pipes and bearing pipes. We usually have more than 50,000 tons of pipes in various sizes and standards. The stock size of 25crmo4 alloy structural pipes ranges from 20mm to 406mm in outer diameter and 2mm to 70mm in wall thickness.
If you are looking for seamless pipe, please contact us in time to get a quote!sales@gneetube.com
Factory environment of High alloy steel pipe
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