Shenzhen Yirongsheng Technology Co.,Ltd.
                                                                                                           
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45# Steel CNC Machined Metal Parts with HRC35-38 Hardness | Custom Precision Components

Price Negotiable
Price: Negotiable
MOQ: 1 pcs
Delivery Time: 10~15 working days
Brand: YRS
Product Description
Precision CNC Machined Metal Components
Technical Specifications
Manufacturer Yirongsheng Technology Co., Ltd.
Product Name Machined Metal Part
Material 45# or 1.0503 (C45) - Medium Carbon Steel
Hardness HRC35-38
Industry Standards DIN, JIS, AISI, GB
Processing Types Milling
Surface Treatment Chroming
Design Tools UG, ProE, Auto CAD, Solidworks
Quality Control Hardness Tester, Caliper, Altimeter, CMM, Projector, Quadratic Element
Material Properties

45# steel is a high-quality carbon structural steel with carbon content of 0.45%. This medium carbon steel offers excellent mechanical properties including:

  • High strength and deformation resistance
  • Good plasticity and toughness
  • Impact energy: Aku≥39J
  • Hardness range: HRC35-38 (as processed)
  • Can be heat treated for enhanced surface hardness
CNC Machining Capabilities

Our advanced CNC equipment processes various materials including high-speed steel, high-carbon steel, medium-carbon steel, aluminum alloy, and plastics with high precision and productivity.

YRS CNC Machining Workshop showing precision manufacturing equipment
Quality Assurance
  • Integrated inspection instruments guarantee quality before shipping
  • Raw materials sourced from premium manufacturers (ASSAB, TOKAI)
  • Sample acceptance rate: 100%
  • Finished product qualified rate: 100%
  • Punctual delivery rate: 100%
Custom Services
  • ODM and OEM manufacturing
  • Customized specifications
  • One-to-one communication
  • Free samples available
Order Process
  1. Customer provides 2D or 3D drawings
  2. YRS provides quotes and lead time
  3. Order confirmation
  4. 50% advance payment
  5. Production arrangement
  6. Quality control inspection
  7. Shipping after balance payment
Frequently Asked Questions
Q1: What type of material is C45?
C45 is a medium carbon steel grade offering reasonable tensile strength (500-800 N/mm²). This grade can be flame or induction hardened for good surface hardness with moderate wear resistance.
Q2: Is C45 and EN8 same?
C45 round bar steel is equivalent to EN8 or 080M40. Suitable for gears, bolts, axles, shafts, keys and studs.
Q3: What is No 45 steel?
45# steel is a carbon structural steel with 0.45% carbon content. It features good cutting performance, high hardness after quenching, and excellent toughness and wear resistance after heat treatment.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Yirongsheng Technology Co.,Ltd.
Location No.302, Building 1, Zone 2, Samsung Industrial Park, Fuyong Community, Fuyong Street, Bao'an District, Shenzhen City, China.
Contact Person Frank Li

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