300M Ultra-High Strength Steel
Quick Specifications
Material
All Steel Grades
Process
CNC Machining
Tolerance
±0.005mm
Lead Time
5-15 days
MOQ
10 pieces
Surface Finish
Various Options
Service Overview
Sinbo Precision offers comprehensive custom steel machining services for all steel grades, providing high-quality precision steel parts for diverse industrial applications. Our advanced CNC machining capabilities enable us to work with carbon steel, alloy steel, and stainless steel, delivering parts with tight tolerances of ±0.005mm and excellent surface finishes. With over 20 years of experience, we have the expertise to handle complex steel machining projects from prototype to production.
Our steel machining services include CNC milling, CNC turning, 5-axis machining, and multi-axis turning capabilities. We work with a wide range of steel grades including 1018, 1045, 4140, 4340, 1215, 1144, 12L14, and various stainless steels such as 304, 316, 17-4 PH, and 440C. Each steel grade is machined using optimized parameters and tooling to ensure optimal results and cost-effectiveness.
We provide complete manufacturing solutions including design for manufacturing (DFM) support, material selection guidance, and comprehensive surface treatment options. Our China factory and efficient logistics ensure fast delivery of your precision steel components. Whether you need low-volume prototypes or high-volume production runs, we have the capacity and expertise to meet your requirements with competitive pricing and superior quality.
Steel Grades We Machine
Carbon Steel
Low and medium carbon steels for general applications with excellent machinability.
- • 1018 Steel
- • 1045 Steel
- • 1215 Steel
- • 1144 Steel
- • 12L14 Steel
Alloy Steel
Alloy steels with enhanced mechanical properties for demanding applications.
- • 4140 Steel
- • 4340 Steel
- • 8620 Steel
- • 4130 Steel
- • 4150 Steel
Stainless Steel
Corrosion-resistant stainless steels for harsh environments and medical applications.
- • 304 Stainless
- • 316 Stainless
- • 17-4 PH Stainless
- • 440C Stainless
- • 316L Stainless
Machining Capabilities
CNC Milling
Advanced CNC milling for complex geometries and tight tolerances.
- • 3-axis milling
- • 4-axis milling
- • 5-axis milling
- • High-speed milling
CNC Turning
Precision CNC turning for cylindrical and rotational parts.
- • CNC lathe
- • Swiss turning
- • Multi-axis turning
- • Live tooling
Surface Treatment
Comprehensive surface treatment options for enhanced performance.
- • Polishing
- • Black oxide
- • Zinc plating
- • Heat treatment
Industrial Applications
Machinery
Gears, shafts, bushings, and general machinery components
Automotive
Engine components, transmission parts, and automotive hardware
Industrial
Industrial equipment, structural parts, and heavy-duty components
Oil and Gas
Oil field equipment, valve components, and drilling parts
Tooling
Tooling components, dies, molds, and precision tooling
Medical
Medical devices, surgical instruments, and healthcare equipment
Why Choose Sinbo Precision
Years Experience
Precision Tolerance
Days Lead Time
Quality Guarantee
Certifications
ISO 9001:2015
IATF 16949:2016
ISO 14001:2015
Frequently Asked Questions
What is the minimum order quantity?
Our minimum order quantity is 10 pieces for prototypes and 100 pieces for production runs. We can accommodate lower quantities for development projects with appropriate setup considerations.
What is the typical lead time?
Standard lead time is 5-15 days depending on complexity, material, and quantity. Express delivery options are available for urgent requirements with 3-7 day turnaround.
What file formats do you accept?
We accept STEP, IGES, STL, DXF, DWG, and PDF files. Our engineering team can work with various CAD formats to ensure accurate manufacturing.
What steel grades can you machine?
We machine all steel grades including carbon steels (1018, 1045, 1215, 1144, 12L14), alloy steels (4140, 4340, 8620, 4130), and stainless steels (304, 316, 17-4 PH, 440C, 316L).
Do you provide heat treatment services?
Yes, we provide comprehensive heat treatment services including quenching, tempering, induction hardening, and flame hardening to achieve required hardness levels for steel components.
Do you provide design for manufacturing (DFM) support?
Yes, our engineering team provides free DFM analysis and suggestions to optimize your design for steel machining, ensuring cost-effective production while maintaining quality requirements.
Related Products
Manufacturing Capabilities
CNC Machines
Precision Tolerance
Days Delivery
Years Experience
Quality Assurance
ISO 9001:2015
IATF 16949:2016
ISO 14001:2015
SA 8000:2014
Ready to Get Started?
Get a free quote within 24 hours. No minimum order quantity required.