is a professional manufacturer and exporter of steel materials and custom-machined components, located in Wuxi, Jiangsu,. We specialize in forged and hot-rolled round bars, precision shafts, seamless steel pipes, and a wide range of CNC-machined products.
With years of experience in steel production and international trade, has established a reputation for quality, reliability, and technical expertise. Our product range covers carbon steel, alloy steel, and bearing steel, including popular grades such as 42CrMo, 40Cr, GCr15, 20CrMnTi, and AISI 4140.
We support OEM and customized production, capable of processing according to customer drawings and specifications. Our machining capabilities include turning, milling, drilling, grinding, and heat treatment, ensuring strict dimensional tolerances and excellent mechanical performance.
Our products are widely used in machinery, mining, energy, automotive, shipbuilding, and construction industries. We export to Europe, Southeast Asia, the Middle East, North America and other global markets.
Committed to quality and service, operates under ISO standards and continuously invests in equipment, talent, and technology to meet customer needs.
We welcome cooperation with clients around the world and look forward to building long-term business partnerships.
| Parameter | Specification |
| Product Name | steel pipe |
| Material Grade | 45#, 40Cr, 42CrMo, Q235B, AISI 1045, AISI 4140, etc. |
| Diameter Range | Ø20mm - Ø800mm |
| Length Range | 1000mm - 12000mm (customizable) |
| Surface Condition | Hot rolled (black), Peeled, Turned, Polished, Drawn, Ground |
| Tolerance Range | H9-H11 / ±0.5mm - ±2mm |
| Heat Treatment | Annealed, Normalized, Quenched & Tempered |
| Hardness (HRC) | 20 - 35 HRC (depending on heat treatment) |
| Tensile Strength (MPa) | 500 - 1100 MPa |
| Yield Strength (MPa) | 300 - 950 MPa |
| Elongation (%) | 10 - 20% |
| Impact Toughness (J) | ≥ 27J (some grades up to 47J) |
| Application Fields | Machining, Molds, Shafts, Structural Components, Engineering Equipment |
| Inspection Items | Dimension Inspection, Chemical Composition, Mechanical Properties, UT |
| Packaging | Bundled with steel strips, wooden pallet, rust-proof film |
| Delivery Condition | As rolled, heat-treated, cold drawn, rough machined |
| Certificate | ISO9001, EN10204 3.1 / 3.2 (optional) |
ABOUT CUSTOMIZATION
We offer full customization services according to your drawings, samples, or specific technical requirements. With over 10 years of experience in machining and forging, we support a wide range of customized parts including shafts, bars, and mechanical components. We ensure quick response, high precision, and reliable quality from raw material to final shipment.
1. Wide Range of Steel Grades We stock a diverse selection of materials to meet your specific needs. Our main steel grades include: 42CrMo, AISI 4140, 40Cr, 20CrMnTi(H), 38CrMoAl, 8620 / 20CrNiMo, 40CrNiMo, GCr15, 45#, 20#, 25Cr2MoV, 1Cr13, 2Cr13, 3Cr13, and more. Whether for standard or special alloy steel, we ensure quality and reliability.
2. In-House Machining Workshop With our own machining facilities and over 10 years of manufacturing experience, we are capable of handling rough machining, cutting, turning, and basic finishing. This allows us to deliver both raw material and semi-finished products with speed and flexibility.
3. Product Focus We specialize in forged shafts and rough-machined round bars. Our capabilities include heavy-duty shaft production up to 10 tons and 1.5 meters in diameter, perfectly tailored for industrial applications such as wind power, mining, marine, and heavy equipment.
4. Full-Service Capability From steel sourcing to forging, heat treatment, rough machining, and quality control — we offer a complete one-stop solution. Our technical team provides responsive and professional service to support your custom requirements.
Choose — where quality meets reliability and experience creates value.
Packaging Method
Wrapped with plastic film to prevent dust and moisture
Secured by steel straps and placed on sturdy wooden pallets
Each bundle includes material labels and specification tags
Protection
Rust-preventive oil coating applied before packaging
Suitable for long-term storage and ocean freight conditions
Customized marking and packaging available upon request
Shipping Options
By Container: Efficient for standard volume shipments
By Bulk Vessel: Cost-effective for heavy goods
By Truck or Railway: Suitable for domestic or border transport
Loading Ports
Shanghai
Ningbo
Tianjing Other ports are available depending on customer preference
Lead Time
Generally within 7–15 working days after advance payment
Urgent delivery available for stock items or regular sizes
Additional Services
Third-party inspection accepted (SGS / BV / customer’s agent)
Full loading photos and packing list provided
Complete export documents support (CO, Form E, BL, etc.)
Q1: What materials do you supply? A: We offer a wide range of alloy and carbon steel grades, including 42CrMo, AISI 4140, 40Cr, 20CrMnTi(H), 38CrMoAl, 8620/20CrNiMo, 40CrNiMo, GCr15, 45#, 20#, 25Cr2MoV, and stainless steel grades like 1Cr13, 2Cr13, 3Cr13.
Q2: What are your main products? A: Our core products include hot rolled round bars (as rolled), forged shafts, rough-machined steel bars, and custom machined components. We specialize in forging and processing of heavy-duty shaft parts under 10 tons and up to 1.5 meters in diameter.
Q3: Can you provide customized products? A: Yes. We support custom orders based on your drawings or technical specifications. Our in-house workshop can handle cutting, turning, rough machining, heat treatment, and more.
Q4: Do you provide mill test certificates? A: Absolutely. All shipments come with MTC (Mill Test Certificate), and third-party inspections such as SGS or BV are also supported upon request.
Q5: What is your MOQ (Minimum Order Quantity)? A: Our MOQ is usually 1 ton or one piece for trial orders. We also welcome sample or custom quantity inquiries.
Q6: What is your lead time? A: Generally 7–15 working days depending on order size and material. For stock items, we can arrange quick delivery.
Q7: What packaging do you offer? A: Our packaging includes plastic film wrap, steel strapped bundles, wooden pallets, and anti-rust oil coating. Custom packaging and labeling are available.
Q8: What are your payment terms? A: We accept T/T (30% advance, 70% before shipment) and L/C. For processing based on supplied material, terms are negotiable.
Q9: Which ports do you ship from? A: We normally ship from Shanghai, Ningbo or other nearby Chinese ports, depending on logistics and customer needs.
