SS400 Structural Steel Bar is a widely used structural steel grade manufactured in accordance with JIS G3101 standards. It is known for its excellent weldability, reliable mechanical strength, and consistent chemical composition. Jiangsu Cunrui Metal Products Co., Ltd. supplies SS400 Structural Steel Bar and SS400 Structural Steel Rod with strict quality control, ensuring every batch meets international inspection requirements.
The material delivers stable tensile strength, good toughness, and reliable surface quality. Each order can be provided with a mill test certificate (MTC), third-party inspection reports, and relevant certifications to guarantee authenticity and traceability.
Key Features & Advantages
Stable Performance – Uniform chemical composition and predictable mechanical properties.
High Reliability – Compliant with JIS standards, suitable for load-bearing and construction use.
Excellent Workability – Easy for welding, cutting, machining, and structural fabrication.
Quality Assurance – Mill test certificates, SGS/BV third-party inspection, and full traceability.
Competitive Edge – Compared with other grades, SS400 offers a balanced cost-performance ratio, making it one of the most economical choices in construction steel.
Applications
SS400 Structural Steel Bars are widely used in:
Construction & civil engineering (beams, frames, foundations)
Machinery manufacturing and heavy equipment
Shipbuilding and marine structures
Bridges, towers, and infrastructure projects
Fabrication workshops (cutting, drilling, welding parts)
Product Specifications & Technical Data
|
Parameter |
Specification |
|
Standard |
JIS G3101 |
|
Grade |
SS400 |
|
Product Form |
Structural Steel Bar / Structural Steel Rod |
|
Sizes |
Diameter 6mm – 500mm; Length 3m – 12m (customized upon request) |
|
Surface Treatment |
Black, Pickled, Polished, Oiled, Galvanized |
|
Yield Strength |
≥ 245 MPa |
|
Tensile Strength |
400 – 510 MPa |
|
Elongation |
≥ 21% |
|
Hardness |
HB ≤ 160 (depending on thickness and processing) |
|
Certification |
Mill Test Certificate, EN10204 3.1 / 3.2, Third-Party SGS, BV, LR if required |
Customization Services
Special dimensions and non-standard sizes available on request
Processing services: cutting, drilling, bending, welding, machining
Surface finishes: hot-dip galvanizing, coating, polishing, anti-rust oiling
Flexible MOQ (minimum order quantity) for trial orders
OEM service with drawings or specific requirements
Price & Delivery
Jiangsu Cunrui Metal Products Co., Ltd. offers competitive pricing with bulk order discounts.
Stock availability: Large quantities in standard sizes
Lead time: Fast delivery, typically 7–15 days depending on order volume
Flexible shipment: Supports FOB, CIF, and door-to-door service
Our Strength
Modern factory with advanced rolling and machining equipment
Strong production capacity, ensuring stable and continuous supply
Over 10 years of export experience to Asia, Europe, Middle East, and America
Certified quality system (ISO, CE) with professional technical team
One-stop solution for structural steel materials
Service & Support
Quick inquiry response within 12 hours
Professional technical advice for material selection and engineering solutions
Export-standard packaging to protect goods during shipment
After-sales guarantee: Any quality issues can be resolved with replacements or refunds
Logistics support: Coordination of sea freight, air freight, or rail transport
FAQ
Q1: What standards do your SS400 Structural Steel Bars comply with?
A1: They strictly follow JIS G3101 standards, with optional third-party inspection certificates.
Q2: Do you provide custom sizes?
A2: Yes, we support cutting, bending, welding, and customized lengths or diameters.
Q3: Can you supply SS400 Structural Steel Rods with galvanizing?
A3: Yes, surface treatments include galvanizing, polishing, and coating as per customer needs.
Q4: What documents will be provided with the goods?
A4: Mill test certificates (MTC), packing list, commercial invoice, and if required, SGS/BV inspection reports.
Q5: What is the minimum order quantity (MOQ)?
A5: We offer flexible MOQs to support both small trial orders and large-volume projects.
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