Precision on-demand material manufacturing — combining hot rolling, cold rolling, cold bending, welding and machining to match complex irregular sections, special tolerances and specific performance parameters.
Custom Steel Profiles achieves precise matching of complex irregular sections, special dimensional tolerances, and performance parameters through a combination of processes such as hot rolling, cold rolling, cold bending, welding, and machining. Its core goal is to meet the structural adaptability, functional specificity, and scene uniqueness requirements of customer products. Simply put, it is "on-demand material manufacturing", allowing steel to fully meet the design and usage requirements of end products.
Product Advantages
Performance Customization
Flexible selection of carbon steel, stainless steel or alloy steel, with quenching and tempering, annealing and galvanizing to customize tensile strength, yield strength, corrosion resistance and wear resistance — balancing strength and lightweight design.
Integrated Customization
One-stop service covering design, production, surface treatment and distribution. Customized cross-sections reduce material waste and can increase material utilization by 10%–30%, lowering raw material and processing costs.
Standardized Control
Production follows ASTM, GB and EN standards. Third-party testing reports such as tensile testing, metallographic analysis and corrosion resistance testing help ensure batch-to-batch consistency.
Technical Specifications
The technical specifications of Custom Steel Profiles are tailored to customer needs. The following table summarizes the core customizable dimensions and reference ranges.
| Specification Category | Customizable Scope | Reference Standard |
|---|---|---|
| Substrate Type | Carbon steel (Q235, Q355, SS400), stainless steel (201, 304, 316), alloy steel (40Cr, 20MnTiB) | GB/T 700, ASTM A36, EN 10025 |
| Cross-Sectional Parameters | Irregular, composite, special symmetrical / asymmetrical shapes. Width 5–500 mm, height 5–300 mm, wall thickness 0.8–20 mm. Tolerance ±0.1 mm (cold-rolled), ±0.5 mm (hot-rolled) | Customer Drawing + GB/T 6723 |
| Processing Technology | Hot rolling, cold rolling, cold bending, welding, stamping, drilling, polishing | GB/T 1591, ASTM A653 |
| Surface Treatment | Hot-dip galvanizing, electro-galvanizing, spraying, pickling and passivation, phosphating | GB/T 13912, ASTM A123 |
| Mechanical Properties | Tensile strength 300–1200 MPa, yield strength 200–1000 MPa, elongation ≥10% | Customer requirements + third-party testing |
Application Fields and Typical Cases
Custom steel profiles are used across construction, mechanical manufacturing, automotive and rail transit, and new energy sectors, where standard sections cannot meet the design requirements.
Building Materials
Irregular curtain wall keels, steel structure villa load-bearing components, photovoltaic bracket special profiles, elevator guide rails.
Mechanical Manufacturing
Specialized equipment racks, conveyor machinery guide rails, agricultural machinery structural components, wear-resistant parts of engineering machinery.
Automotive and Rail Transit
New energy vehicle battery pack frames, car collision beams, rail transit carriage frames, subway door guide rails.
New Energy Sector
Wind turbine tower flange connectors, photovoltaic inverter brackets, energy storage box load-bearing frames.
Why Choose Shunchen
We hold ISO 9001, 3A system certification and EU CE certification. With 12 process flows and a three-layer full inspection mechanism, we maintain annual quality and safety zero accidents and 12 years of order zero defaults. With more than 30 years of production experience, 236 customized specifications and a full industry chain layout, we can precisely match diverse needs.
Full Industry Chain
Steel processing, hot-dip galvanizing, steel structure production, anti-corrosion treatment, logistics and international trade integrated under one group.
Customized Specifications
236 accumulated custom specifications and 30+ years of experience supporting irregular sections, tight tolerances and specific performance requirements.
One-Stop Procurement
Integrated production and sales, a 10,000-square-meter warehouse, 7×24 full-cycle after-sales service and real-time tracking at 18 order nodes.
Frequently Asked Questions
What are Custom Steel Profiles?
Custom Steel Profiles are steel sections produced to match specific customer drawings, dimensions and performance requirements. They are used where standard sections cannot meet the structural adaptability, functional specificity or scene uniqueness requirements of the end product.
What materials are available for Custom Steel Profiles?
Common materials include carbon steel (Q235, Q355, SS400), stainless steel (201, 304, 316) and alloy steel (40Cr, 20MnTiB). The appropriate material is selected according to the application, corrosion environment and mechanical requirements.
What cross-sectional dimensions can be customized?
Irregular, composite and special symmetrical or asymmetrical shapes can be produced. Typical reference ranges are width 5–500 mm, height 5–300 mm and wall thickness 0.8–20 mm, with dimensional tolerances of ±0.1 mm for cold-rolled and ±0.5 mm for hot-rolled profiles.
What surface treatments are available?
Hot-dip galvanizing, electro-galvanizing, spraying, pickling and passivation, and phosphating are available. The appropriate treatment depends on the service environment and project requirements.
Can Custom Steel Profiles reduce material costs?
Yes. Customized cross-sections reduce material waste and can increase material utilization by 10%–30% compared with using standard sections that require additional cutting and machining. This helps lower the raw material and processing costs of the end product.
What quality documents can be provided?
Third-party testing reports can be provided, including tensile testing, metallographic analysis and corrosion resistance testing. Production follows ASTM, GB and EN standards to help ensure dimensional tolerance and performance consistency across batches.
Request Custom Steel Profiles for Your Project
Send us your drawing, required material, cross-sectional dimensions, tolerance and performance requirements — our technical team will review the specification and recommend a suitable production solution with samples and test reports.

















