Duplex Sheet exporter in Indonesia
Duplex Sheet exporter in Indonesia plays a crucial role in supplying high-quality paperboard solutions to various industrial sectors worldwide. These duplex sheets are manufactured using two layers of paper, typically with a coated top surface and an uncoated back, providing excellent rigidity and printability. Known for their durability and smooth finish, these sheets are ideal for packaging applications that demand both strength and aesthetic appeal.
The duplex boards offered are available in multiple thicknesses and grammages, catering to diverse requirements ranging from lightweight packaging to heavy-duty cartons. Their superior stiffness and moisture resistance make them suitable for packaging consumer goods, electronics, and food products. Additionally, the surface coating ensures vibrant printing results, which is essential for branding and marketing purposes in retail environments.
Industries seeking reliable packaging materials benefit from the consistent quality and eco-friendly manufacturing processes employed by Indonesian suppliers. These exporters ensure compliance with international standards, including FSC certification and food-grade safety where applicable. This adherence to quality benchmarks guarantees that the products are fit for export and meet the stringent demands of global markets.
Export readiness is a key focus, with packaging and logistics optimized to preserve product integrity during transit. Duplex sheets are typically packed in moisture-resistant wraps and sturdy pallets to prevent damage from environmental factors. Indonesian manufacturers also provide customized solutions, including specific sheet sizes and coatings, to align with the precise needs of industrial buyers worldwide.
Overall, sourcing duplex boards from Indonesia offers industrial buyers a combination of competitive pricing, robust product specifications, and reliable export capabilities. Whether for manufacturing packaging materials or producing printed cartons, these duplex sheets stand out for their performance and versatility in international trade.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Sheet exporter in Indonesia Are Preferred by Global Buyers
- ✔ Factory Pricing: Direct manufacturer rates with bulk stock
- ✔ Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- ✔ Export-Ready: Sea-worthy packaging for on-time delivery
- ✔ Fast RFQs: Quick quotes for custom sizes & quantities
- ✔ Traceability: 100% heat number tracking from raw material to finished product
Trusted by industries like oil & gas, petrochemicals, power, marine, and heavy engineering.
- Manufacturing Capacity: 500 MT / Month
- Export Experience: 15+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is Duplex Sheet exporter in Indonesia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Sheet exporter in Indonesia
- 4. Why Global Buyers Source from Ragnar Metals and Tubes
- 5. Features
- 6. Technical Overview
- 7. Specifications
- 8. Available Grades
- 9. Available Sizes
- 10. Chemical Properties
- 11. Mechanical Properties
- 12. Physical & Thermal Properties
- 13. Electrical Resistivity
- 14. Equivalent Grades
- 15. Manufacturing Process & Heat Treatment
- 16. Various Types
- 17. Applications & Uses
- 18. Industries We Serve
- 19. Latest Price List
- 20. MOQ & Payment Terms
- 21. Export Packaging & Shipping
- 22. Cities We Supply in India
- 23. Countries We Export Worldwide
- 24. Our Certifications
- 25. Quality Inspection & Testing
- 26. Our Other Product Types
- 27. People Also Search For
- 28. Frequently Asked Questions
- 29. About Ragnar Metals and Tubes
How to Choose the Right Duplex Sheet exporter in Indonesia
India is home to hundreds of manufacturers ranging from small job shops to large ISO-certified exporters. International and domestic buyers typically evaluate manufacturers based on quality compliance, production capacity, export experience, and pricing transparency.
- Certification & international standards (ASME, ASTM, EN)
- Manufacturing capability vs trading activity
- Export documentation & inspection support
- Stock availability & lead time reliability
- Past supply experience in oil & gas, EPC & heavy industries
Comparison Factors Among Duplex Sheet exporter in Indonesia
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited | None | Full in-house / audited partners |
| International Standards | Basic | Depends on source | ASME / ASTM / EN |
| Inspection & MTCs | Limited | Inconsistent | EN 10204 3.1 / 3.2 |
| Export Experience | Low | Medium | 50+ countries |
| Risk for EPC Projects | High | Medium | Low |
International buyers typically prefer ISO-certified manufacturers for large-scale or critical applications due to better quality control, documentation, and lower project risk.
Why Global Buyers Choose Ragnar Metals and Tubes
Ragnar Metals and Tubes is a trusted ISO 9001:2015 certified manufacturer and global exporter of ferro alloys and metal products, supplying consistent, high-quality materials to customers across USA, UK, Europe, Middle East, Africa, and Asia-Pacific. Our focus on quality assurance, cost efficiency, and on-time delivery makes us a preferred sourcing partner for international buyers.
| Key Advantage | Buyer Benefit |
|---|---|
| ISO 9001:2015 Certified Manufacturing | Consistent quality with documented QA systems and process control |
| ASME / ASTM / EN Compliant Products | Globally accepted standards with EN 10204 3.1 / 3.2 MTCs |
| Lower Manufacturing & Sourcing Costs | Save up to 15–20% compared to European suppliers |
| Favorable Exchange Rate Advantage | Reduced landed cost for international importers |
| In-House Testing & Inspection Facilities | Strict chemical, mechanical & dimensional quality checks |
| Bulk Stock & High Production Capacity | Fast order fulfillment and stable supply for large projects |
| Custom Sizes & Drawing-Based Manufacturing | Products manufactured exactly to buyer specifications |
| Export-Grade Packaging & Global Logistics | Sea-worthy packing, palletization & worldwide shipping support |
| Faster Global Shipping Routes | Optimized logistics for Middle East, Africa & Southeast Asia |
| Technical & After-Sales Support | Project assistance, documentation & responsive RFQ handling |
| Trusted by Global Steel & EPC Companies | Proven export experience across 50+ countries |
Features of Duplex Sheets
- ✔ High corrosion resistance, suitable for harsh environments
- ✔ Superior mechanical properties for enhanced strength
- ✔ Excellent weldability, ideal for various applications
- ✔ Cost-effective alternative to traditional stainless steels
- ✔ Lightweight yet durable, reducing overall project weight
- ✔ Available in a variety of thicknesses and finishes to meet specific needs
Technical Overview of Duplex Stainless Steel Sheets
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2205 | 22% Cr, 5% Ni, 3% Mo | Oil and gas, marine applications | ASTM A240, ASME SA240 |
| Duplex 2507 | 25% Cr, 7% Ni, 4% Mo | Seawater applications, chemical processing | ASTM A240, ASME SA240 |
| Duplex 32750 | 25% Cr, 6% Ni, 3.5% Mo | Oil and gas, pulp and paper | ASTM A240, ASME SA240 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | S31803, S32205 |
| Standard | ASTM A240, ASME SA240 |
| Size Range | 0.3mm to 50mm thickness |
| Length | Up to 6000mm |
| Form | Sheet and Plate |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 | 22% Cr, 5% Ni, 3% Mo | Oil and gas, marine applications, chemical processing |
| Duplex 2507 | 25% Cr, 7% Ni, 4% Mo | Desalination plants, petrochemical industry, offshore platforms |
| Duplex 2304 | 23% Cr, 4% Ni | Wastewater treatment, pulp and paper, food processing |
| Super Duplex 4501 | 25% Cr, 7% Ni, 3.5% Mo | High-pressure applications, chemical storage tanks |
| Duplex 2011 | 21% Cr, 5% Ni, 1.5% Mo | Structural applications, automotive components |
Available Sizes of Duplex Sheet (MM)
| Size (MM) | Size (MM) |
|---|---|
| 1000 | 2000 |
| 1219 | 2438 |
| 1500 | 3000 |
| 2000 | 4000 |
| 2500 | 5000 |
| 3000 | 6000 |
| 3500 | 7000 |
| 4000 | 8000 |
| 4500 | 9000 |
| 5000 | 10000 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 22.0 - 25.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Manganese (Mn) | 0.5 - 2.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.01 max |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 800 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 - 40 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Duplex Steel Sheet – Physical & Thermal Properties
Density of Duplex Steel Sheet
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.28 lb/in³ |
Melting Point of Duplex Steel Sheet
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1350 - 1450 °C | 2462 - 2642 °F |
Specific Heat of Duplex Steel Sheet
| Specific Heat of Duplex Steel Sheet | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 600 | High Temperature |
| 700 | 600 - 1000 | Extreme Temperature |
Electrical Resistivity of Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As Rolled |
| 0.74 | 100 | |
| 0.76 | 200 | |
| 0.78 | 300 | |
| 0.80 | 400 | |
Equivalent of Duplex Stainless Steel
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1.4462 | 1.4462 | S32205 |
| ASTM A240 | UNS S31803 | S31803 |
Manufacturing Process & Heat Treatment of Duplex Stainless Steel
Annealing
The annealing process for duplex stainless steel involves heating the material to a temperature range of 1020°C to 1100°C. This process is crucial for relieving internal stresses, improving ductility, and homogenizing the microstructure. Following the heat treatment, the steel is rapidly cooled, typically in air or by water quenching, to maintain its desirable phase balance.
Forging
Forging of duplex stainless steel is performed at elevated temperatures, generally between 950°C and 1150°C. This process enhances the mechanical properties of the material by refining the grain structure and improving strength. The forged products are then subjected to appropriate cooling methods to preserve their integrity and performance characteristics.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1100 | Water or Oil | Increase hardness and strength |
| Tempering | 300 - 800 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 600 - 700 | Air | Minimize residual stresses after forging |
The manufacturing and heat treatment processes of duplex stainless steel are essential for ensuring the performance and longevity of products. Proper execution of these processes guarantees that the material meets the stringent standards required for various industrial applications.
Various Types
Duplex Stainless Steel Sheet 2205
- Thickness: 3mm - 12mm
- Condition: Hot Rolled, Cold Rolled
- Applications: Oil & Gas, Marine, Chemical Processing
Duplex Stainless Steel Sheet 2507
- Thickness: 5mm - 20mm
- Condition: Annealed, Pickled
- Applications: Desalination Plants, Pulp & Paper, Chemical Storage
Duplex Stainless Steel Sheet 329
- Thickness: 1mm - 10mm
- Condition: Cold Rolled
- Applications: Storage Tanks, Heat Exchangers, Marine Applications
Duplex Stainless Steel Sheet 2101
- Thickness: 2mm - 8mm
- Condition: Hot Rolled
- Applications: Architectural Applications, Food Processing, Automotive
Applications & Uses
- Oil & Gas Industry: Pipelines, process piping, and high-pressure fluid handling systems.
- Petrochemical & Refineries: Reactors, heat exchangers, and chemical processing units.
- Water Treatment Plants: Filtration systems, storage tanks, and corrosion-resistant piping.
- Pharmaceutical Industry: Hygienic piping, sanitary fittings, and cleanroom equipment.
- Food & Beverage: Processing lines, storage vessels, and contamination-free pipelines.
- Automobile & Engineering: Exhaust systems, structural parts, and precision components.
- Power & Energy Sector: Boilers, condensers, and turbine piping systems.
- Marine & Offshore: Shipbuilding, offshore platforms, and coastal infrastructure.
- Construction & Infrastructure: Structural frameworks, bridges, and industrial buildings.
Industries We Serve
Our stainless steel, alloy steel, and high-performance metal products are widely used across the following industries:
Latest Price List of Duplex Sheets
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2205 | 3 mm | $2.00 – $2.20 | ₹165 – ₹182 |
| Duplex 2205 | 6 mm | $2.10 – $2.30 | ₹173 – ₹190 |
| Duplex 2205 | 10 mm | $2.20 – $2.40 | ₹182 – ₹198 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Duplex Sheets.
MOQ & Payment Terms
Minimum Order Quantity: 25–100 Kg depending on part size and grade.
Payment Terms: Depending On Grade and Quantity Size
Export Packaging & Shipping
- Seaworthy, fumigated wooden crates with waterproof inner lining
- Palletised packing with clear shipping marks and heat number identification
- Container stuffing supervision with loading photographs available on request
We Exported to 50+ Countries Worldwide
| Global Export Destinations | |||||
|---|---|---|---|---|---|
| United States | Canada | Mexico | United Kingdom | Germany | Netherlands |
| Italy | Spain | South Africa | Australia | India | Korea |
| United Arab Emirates | Saudi Arabia | Qatar | Kuwait | Oman | Bahrain |
| Singapore | Malaysia | Indonesia | Dubai | Riyadh | Dammam |
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Registered
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Testing Process & Quality Assurance – Ragnar Metals & Tubes
At Ragnar Metals & Tubes, our testing process ensures the safety, reliability, and performance of stainless steel and alloy steel products supplied for global industrial and infrastructure projects. Each batch is verified from raw material selection to final dispatch under internationally recognized standards including ASTM, ASME, ISO, DIN, and EN.
Detects internal flaws using high-frequency sound waves
Measures yield strength, elongation, and material durability
Evaluates toughness under low-temperature and high-stress conditions
Ensures smoothness, coating quality, and visual compliance
Enhances hardness, strength, and corrosion resistance
Measures resistance to deformation and wear
Documentation & Global Compliance
- ✔ EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- ✔ Batch-wise quality traceability and inspection records
- ✔ Third-party inspection by SGS, TUV, Bureau Veritas & Lloyd’s
- ✔ Export documentation support for customs and international shipping
Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.
Related Products
Explore our full range of stainless steel and alloy steel products including pipes, tubes, fittings, flanges, sheets, plates, spools, fasteners, round bars, and special grades manufactured for industrial, infrastructure, and global export applications.
People Also Search For
- Duplex Steel Plate Supplier in Indonesia
- Stainless Steel Sheet Exporter in Indonesia
- Nickel Alloy Sheet Manufacturer in Indonesia
- Metal Fabrication Services in Indonesia
- Industrial Metal Supplier in Indonesia
Frequently Asked Questions
About Ragnar Metals & Tubes
- ✔ Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- ✔ ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- ✔ Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- ✔ Modern processing and testing facilities with advanced manufacturing and inspection equipment
- ✔ Custom-engineered solutions based on client drawings and technical specifications
- ✔ Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- ✔ Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- ✔ Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries