Henan Jiyuan Steel (Group), founded in 1958, is one of China’s leading large-scale steel enterprises. With a fully integrated long-process production line — from ironmaking and steelmaking to bar and wire rolling — the company has built a strong reputation as a national production base for premium special steel bars and wire rods.
The group’s product catalog covers premium special steel bars, wire rods, construction steel, and precision-machined steel materials, with special steel accounting for 90% of total output. Supported by Jiyuan Steel’s resources, Chinaspecsteel delivers global buyers a complete supply chain solution—from special steel sourcing to CNC steel cutting services.
What Makes Jiyuan Steel a Leading Special Steel Manufacturer?
Jiyuan Steel is equipped with advanced smelting, rolling, inspection, and heat-treatment facilities that meet international production standards (ASTM, AISI, JIS, DIN, BS, GB/T).
The company produces one of China’s widest ranges of special steel grades, including:
- Bearing Steel
- Spring Steel
- Tyre Cord Steel
- Cold Heading Steel
- Gear Steel
- Free-Cutting Steel
- Non-Quenched & Tempered Steel
- Alloy Structural Steel
- Carbon Structural Steel
- High-Strength Wear-Resistant Steel
- Tube Billet Steel
- Anchor Chain Steel
- Horizontal Continuous-Cast Iron Profiles
These materials are widely used across the automotive, machinery, mining, engineering equipment, petrochemical, and offshore industries.
CNC Steel Cutting Services for Global Buyers
Chinaspecsteel provides professional CNC cutting, tailored to international orders.
We cut materials strictly according to ASTM, AISI, JIS, DIN, BS, and GB standards — or your custom drawings.
Supported Cutting Methods
- CNC flame cutting
- Plasma cutting
- Laser cutting
- Wire cutting
- Waterjet cutting
Cutting Capacity
- Thickness: 2 mm – 400 mm
- Width: 25 mm – 4000 mm
CNC Cutting Technical Standards (with Table)
(1) Standard Verticality (mm)
| Steel Plate Thickness (mm) | Vertical Tolerance (mm) |
|---|---|
| < 100 | < 3 |
| 100–150 | 3–4 |
| 150–200 | 4–5 |
| 200–250 | 5–6 |
| 250–300 | 6–7 |
| 300–400 | 7–9 |
(2) Cutting Angle Deviation (±mm)
| Thickness (mm) | Tolerance (±mm) |
|---|---|
| ≤ 25 | — |
| >25–50 | — |
| >50–100 | — |
| >100–200 | — |
| >200–300 | — |
Why Global Buyers Choose Chinaspecsteel？
Strong Supply Chain
Relying on Jiyuan Steel’s production capacity and inventory, Chinaspecsteel can supply special steel grades in stable volumes for long-term industrial needs.
Competitive Pricing
Large stock, efficient scheduling, and standardized processing ensure high-value and cost-effective steel materials.
Technical Accuracy & Reliability
Every CNC-cut part is produced under strict dimensional control, making it suitable for
components requiring tight tolerances, secondary machining, and mass production.
Customized Processing
From irregular-shaped plates to precision components, our team supports project-based customization with engineering support.
Special Steel Grades Available for CNC Cutting
| Category | Representative Grades |
|---|---|
| Alloy Structural Steel | 42CrMo, 40Cr, 35CrMo, 20CrMnTi |
| Bearing Steel | GCr15 |
| Spring Steel | 55CrSi, 60Si2Mn |
| Free-Cutting Steel | Y12Pb, Y40Mn |
| Gear Steel | 20CrMnMo, 20CrNiMo |
| Carbon Structural Steel | Q235, Q275, 45# |
| Wear-Resistant Steel | NM400, NM500 |
| Tube Billet Steel | 27SiMn |
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