Description
Direct Mill Supply for UPE Channel Steel — Hot rolled S235JR UPE 100 channels produced on our own 3-line mill, shipped with full material traceability from steelmaking to finished bundle.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | S235JR U/C Channel Steel |
| Product Type | U / C Channel Steel |
| Steel Grade | S235JR, Q235, Q235B, Q345, Q345B, SS400 |
| Standard | AISI, ASTM, BS, DIN, JIS, EN, GB |
| Section Shape | U / C Channel |
| Size Range | UPE 100 (100×55mm); GB 10#–40# (100×48mm–400×102mm); JIS 50×25mm–250×90mm |
| Length | 1–12m (6m, 12m standard); customized available |
| Technique | Hot Rolled |
| Surface Treatment | Black, Bright, Galvanized, Painted |
| Tolerance | ±1% |
| Processing Service | Bending, Welding, Punching, Decoiling, Cutting |
| Application | Building structures, Vehicle manufacturing, Industrial structures |
| Invoicing | By Actual Weight |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction & EPC | Portal frame structures, mezzanine floor supports, purlin and girt systems |
| Industrial Facilities | Equipment support frames, conveyor structures, platform walkways |
| Vehicle & Machinery | Truck chassis cross-members, machinery base frames, lifting equipment structures |
| Infrastructure | Bridge walkway supports, utility pole bracing, solar mounting structures |
Why Material Traceability Decides Your UPE 100 Order
A missing heat number on a mill test certificate can halt customs clearance or fail site inspection — no matter how good the steel looks.
Overseas buyers sourcing S235JR UPE U channel steel from fragmented traders often discover too late that the material certificate does not match the heat number stamped on the channel. When a project inspector or customs officer requests traceability back to the original slab, the supply chain breaks down. We have seen entire shipments held at port because the paperwork pointed to a third-party mill the buyer never contracted with.
This is what happens when material sourcing and fabrication sit in different hands — the gap between producer and fabricator becomes a gap in accountability. [NEED_CITE: material traceability requirements in EN 1090 structural steel fabrication]
Matching U/C Channel Profiles to Structural Frame Requirements
Hot rolled S235JR UPE 100 channels serve as primary and secondary members in portal frames, mezzanine systems, and equipment supports. The U-profile geometry provides efficient load distribution along the web while the flanges accept bolted or welded connections to I-beams and columns. When a general contractor specifies S235JR UPE U channel steel for a warehouse project in the Middle East, the channel must arrive with dimensional accuracy within ±1% tolerance — because even minor web deviation forces rework on the connection plates. Our vertically integrated mill produces the raw section and our fabrication division processes it to drawing, so the same quality system governs both stages.
Engineering Compliance and Surface Treatment Selection
Structural channels for EU-bound projects must comply with EN 1090 execution class requirements, which dictate welding procedure qualification and material certification documentation. [NEED_CITE: EN 1090 structural steel component certification] For projects in the Middle East or Southeast Asia, hot dipped galvanized S235JR UPE U channel steel resists corrosion in high-humidity or coastal environments without ongoing maintenance. Black or painted finish works for indoor industrial structures where appearance and moderate protection suffice. The choice between Q235B and S235JR often comes down to the specifying engineer’s familiarity with GB versus EN standards — both deliver comparable yield behavior in building frame applications.
Understanding Hot Rolled Channel Steel Grades and Processing
S235JR conforms to EN 10025-2 and serves as the baseline structural grade across European and many international projects. Its Chinese equivalent Q235B follows GB/T 700, while SS400 covers the same yield range under JIS G 3101. All three grades deliver adequate formability for the bending and punching services we provide on UPE 100 channels. Hot rolling produces the profile at high temperature, resulting in a mill scale surface that accepts galvanized or painted coatings after proper preparation. The ±1% dimensional tolerance on our S235JR UPE U channel steel ensures that cut lengths and drilled connection holes align during assembly — critical when multiple channels form a continuous run along a building axis.
Hidden Costs of Sourcing Channel Steel Without Verified Certification
Ordering S235JR UPE U channel steel based on price alone — without confirmed mill test certificates, verified heat numbers, and recognized standard compliance — introduces risk at every project stage. Material that fails chemical composition checks at site inspection means cutting out installed members and replacing them. Channels without proper CE marking or EN compliance documentation get held at EU customs, triggering demurrage charges and schedule delays. Negative tolerance beyond acceptable limits reduces load-bearing capacity, forcing the structural engineer to redesign connections. [NEED_CITE: consequences of non-compliant structural steel in construction projects]
Procurement Confidence from Integrated Steel Production
As a S235JR UPE U channel steel supplier operating our own steel mill with 3 production lines and over 2,800 raw material specifications, we control quality from slab to finished channel. Every bundle carries a heat number traceable to our mill test certificate, which documents chemical composition and mechanical properties per EN 10025-2. Our fabrication workshop handles downstream processing — cutting, bending, punching, welding — so project-specific components arrive ready for installation. Third-party inspection through SGS or BV is welcome at any production stage. We have delivered structural steel to projects across the EU, Middle East, Southeast Asia, and Africa, with complete export documentation packages including WPS records, dimensional inspection reports, and coating thickness certificates.
Documentation & Compliance
- Mill test certificate documenting S235JR chemical composition and mechanical properties per EN 10025-2, with heat number traceability
- CE certificate confirming EN 1090 compliance for structural steel components destined for European markets
- ISO 9001 quality management system certificate covering our integrated steel production and fabrication processes
- SGS or BV third-party inspection report available upon request for pre-shipment verification
- Material traceability report linking each UPE 100 channel bundle to its original heat number and test results
- Complete customs documentation package: packing list, bill of lading, certificate of origin, and compliance declarations
Packaging, Loading & Delivery
- Hot rolled S235JR UPE 100 channels bundled with steel strips and edge protectors to prevent surface damage during transit
- Galvanized UPE channels wrapped with waterproof paper and plastic film to preserve zinc coating integrity during ocean shipping
- Custom cut lengths (6m, 12m, or project-specific) loaded into 20ft or 40ft containers with optimized stowage to maximize payload
- Each bundle tagged with heat number, steel grade S235JR, size UPE 100, and purchase order reference for site identification
- FOB, CIF, and DDP delivery terms available with professional loading supervision and container sealing
Start Your S235JR UPE Channel Steel Inquiry
Share your project drawings, required steel grade, surface treatment preference, and destination port — we respond within 24 hours with a detailed quotation including material, processing, coating, and shipping costs. Our engineering team reviews your specifications and prepares shop drawings for approval before production begins.
Request Your UPE Channel Steel Quotation Today
Submit your project specifications and steel grade requirements to receive a detailed quotation with mill test certificate documentation.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.xjystructure.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjystructure.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
Frequently Asked Questions
Q: What is the difference between S235JR, Q235B, and SS400 for UPE channel steel?
A: All three grades deliver comparable yield strength for structural applications. S235JR follows EN 10025-2 and is specified for European and international projects. Q235B conforms to GB/T 700 and is common in Chinese-standard projects. SS400 meets JIS G 3101 requirements for Japanese-standard specifications. We supply all three grades and can advise on equivalence based on your project’s governing standard.
Q: Can you provide hot dipped galvanized UPE 100 channels with certified zinc coating thickness?
A: Yes. We offer hot dipped galvanized S235JR UPE U channel steel with coating thickness documented in our quality reports. Each galvanized batch undergoes coating thickness measurement, and results are included in the shipment documentation package.
Q: Do you provide custom cutting, bending, and punching services for UPE channels?
A: Our fabrication workshop provides CNC cutting, bending, punching, and welding services for S235JR UPE U channel steel. Share your project drawings and we prepare shop drawings for approval before processing begins.
Q: What documentation do you provide for EU customs clearance and EN 1090 compliance?
A: We supply mill test certificates with heat number traceability, CE certificates confirming EN 1090 compliance, and complete export documentation including packing lists, bills of lading, and certificates of origin. Third-party inspection reports from SGS or BV are available upon request.
Q: How is invoicing calculated — by theoretical weight or actual weight?
A: We invoice S235JR UPE U channel steel by actual weight as measured at our mill. This approach ensures transparency and eliminates disputes over negative tolerance variations between theoretical and delivered weight.
