PROGRESO
Product Overview
Our Stainless Steel Flat Bar (also known as stainless steel flat strip or rectangular bar) is manufactured from premium stainless steel billets through hot rolling, cold drawing, or precision grinding processes. With excellent corrosion resistance, alta resistencia, y atractivo estético, stainless flat bars are widely used in construction, hardware, equipo de cocina, automotive trim, and general fabrication. We supply a comprehensive range of stainless steel flat bars in 304, 304l, 316, 316l, 321, 410, 420, y 430 grades, with custom sizes and surface finishes available.
Specifications
Steel Grades: 304, 304l, 316, 316l, 321, 310S, 410, 420, 430, 2205, 2507
Estándar: ASTM A276, ASTM A484, ASTM A582, GB/T 1220, GB/T 4226, DE 1.4301/1.4401, JIS G4304, EN 10088
Espesor (T): 2 milímetros – 100 milímetros
Ancho (W.): 5 milímetros – 300 milímetros
Longitud: 2m, 2.5m, 3m, 5.8m, 6m, or as per customer request (SRL, DRL)
Proceso: Hot Rolled (HR), Cold Drawn (CD), Cold Rolled (CR), Forged, Ground & Polished
Acabado de la superficie: No.1 (hot rolled), 2B (cold rolled), licenciado en Letras (bright annealed), No.4 (cepillado), 8K (espejo), Hairline, Polished
Tolerancia: Espesor: ±0.05mm (CD) / ±0.3mm (HR), Ancho: ±0.1mm (CD) / ±0.5mm (HR), Longitud: ±5mm
Condition: recocido, Solution Annealed, Quenched & Tempered (for martensitic grades)
Key Features & Ventajas
- Excellent corrosion resistance – 304/316 grades resist rust, acids, and harsh environments
- High strength-to-weight ratio – ideal for structural and load-bearing applications
- Superior surface finish – 2B, licenciado en Letras, No.4, 8K mirror finishes for aesthetic applications
- Customizable dimensions – espesor, ancho, and length tailored to your specifications
- Multiple grades available – austenitic, ferritic, martensitic, and duplex grades
- Easy fabrication – weldable, machinable, bendable, and formable
- Hygienic and easy to clean – perfect for food, médico, and pharmaceutical equipment
- Full traceability – mill test certificates with heat number and chemical composition
Aplicaciones
- Construction and architectural trim – handrails, supports, elementos decorativos
- Kitchen equipment and food processing machinery
- Hardware and fastener manufacturing
- Automotive and transportation components
- Chemical and petrochemical equipment
- Marine and offshore applications (316L grade)
- Medical and pharmaceutical equipment
- Heat exchangers and condensers
- General fabrication and engineering
- Decorative and ornamental metalwork
Quality Control & Testing
Every batch of stainless steel flat bars undergoes rigorous quality control:
Raw Material: Chemical composition analysis (spectrometer), PMI testing, heat number verification
Process Control: In-line dimensional monitoring, surface inspection, temperature control
Finished Product: Dimensional verification, surface finish inspection, hardness test (Rockwell/Brinell), tensile test, intergranular corrosion test (ASTM A262), ultrasonic testing (for critical applications)
Documentation: Mill Test Certificate (MTC) per EN 10204 3.1, material traceability, conformity certificate
embalaje & Envío
embalaje: Standard export packaging – bundles tied with stainless steel strips, hexagonal bundles, wooden pallets or crates, waterproof paper wrapping, PVC caps for protection
Marking: Steel grade, tamaño, heat number, standard, manufacturer logo (painted or labeled)
Trade Terms: ENGAÑAR, CIF, CFR, EXW, DDP
Pago: T/T (30% deposit, 70% before shipment), L/C at sight, Western Union, Paypal (sample orders)
Tiempo de entrega: Standard sizes in stock – 3-7 días; Custom sizes – 15-25 días
Cantidad mínima de pedido: 500 kg for standard sizes; custom orders negotiable
Loading Port: Qingdao, Shanghai, Tianjin, Ningbo, or as requested
Por qué elegirnos
As a professional stainless steel manufacturer and exporter with over 15 years of experience, we supply high-quality stainless steel flat bars to customers in more than 60 países. Our factory is equipped with advanced rolling, drawing, and polishing lines, ensuring precise dimensions and consistent surface quality. We maintain large inventory of standard sizes for immediate delivery, and our experienced team can provide technical consultation and customized solutions for your specific applications. Contact us today for a competitive quote!
