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35CrMnSiA hot rolled steel sheet
35CrMnSiA hot rolled steel sheet
35CrMnSiA hot rolled steel sheet
35CrMnSiA hot rolled steel sheet

35CrMnSiA hot rolled steel sheet

35CrMnSiA is a low-alloy ultra-high-strength steel, generally used after quenching and tempering.35CrMnSiA, is a kind of important engineering materials that used widely in modern manufacturing fields.
Product introduction
35CrMnSiA is a low-alloy ultra-high-strength steel. After heat treatment, it has good comprehensive mechanical properties, high strength, sufficient toughness, hardenability, weldability (preheating before welding), and processing formability, but it has good corrosion resistance and Low oxidation resistance, generally used after low temperature tempering or austempering. High-strength quenched and tempered structural steel. It has high strength and toughness, high hardenability, medium cold deformation plasticity, and good cutting performance. There is a tendency to temper brittleness, and the transverse impact toughness is poor. The welding performance is better, but when the thickness is greater than 3mm, it should be preheated to 150℃ first, and heat treatment is required after welding. Generally used after tempering.

Purposeedit
35CrMnSiA is used to manufacture medium-speed, heavy-duty, high-strength, high-toughness parts and high-strength components.
It is mostly used to manufacture various important parts with high load and high speed, such as gears, shafts, clutches, sprockets, grinding wheel shafts, bushings, bolts, nuts, etc. It is also used to manufacture wear-resistant parts with low working temperature and variable load. Welded components such as high-pressure blower blades, valve plates and non-corrosive pipes
 
Technical data
  Chemical Composition (%)
Steel Grade C Si Mn P S Cr Ni Cu
35CrMnSiA 0.32-0.39 1.10~1.40 0.80~1.10 ≤0.025 ≤0.025 1.10~1.40 ≤0.030 ≤0.025

Mechanical properties
 
Yield strength σs/MPa (>=) Tensile strength σb/MPa (>=) Impact energy Reduction of
area ψ/% (>=)
Impact absorbing energy αkv (J/cm²) (>=)
≥1275(130) ≥1620(165) ≥31 ≥40 ≥39(4)
Heat treatment specifications and metallographic organization
Heat treatment specifications: (1) Quenching: first 950℃, second 890℃, oil cooling; tempering 230℃, air cooling, oil cooling; (2) 880℃ austempering at 280~310℃.
The delivery status should be specified in the contract when delivered by heat treatment (normalizing, annealing or high temperature tempering) or without heat treatment.

GB/T 11251 35CrMnSiA hot rolled structure steel plates of Gnee steel are widely used to manufacture medium speed, heavy load, high strength, high toughness parts and high strength components. Gnee steel is willing to be your reliable 35CrMnSiA hot rolled alloy steel plates supplier.

Gnee Steel is specializing in GB/T 11251 35CrMnSiA hot rolled structure steel plates which is under GB/T specification.GB/T 11251 35CrMnSiA hot rolled structure steel plates has excellent mechanical properties and widely application. Combining above advantages can be supplied the most in line with customer requirements products. Moreover,we will provide cutting, pretreatment, galvanizing, testing, heat treatment services for GB/T 11251 35CrMnSiA hot rolled structure steel plates.


 
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