Duplex Spool exporter in Malaysia

Duplex Spool exporter in Malaysia exported by Ragnar Metals and Tubes
ISO CertifiedSGS CertifiedTUV Certified MSME Certified

Duplex Spool exporter in Malaysia specializes in delivering high-quality duplex stainless steel spool pieces tailored for demanding industrial applications. These spools are fabricated using duplex stainless steel grades such as 2205 and 2507, known for their exceptional corrosion resistance, high strength, and excellent weldability. The material's balanced microstructure of austenitic and ferritic phases ensures superior performance under harsh conditions, making it ideal for use in chemical processing, oil and gas, and marine environments.

The spool pieces are precision-engineered components, typically comprising flanged pipe sections, elbows, reducers, and tees, pre-assembled to streamline installation and reduce downtime at project sites. Manufactured according to stringent international standards like ASTM, ASME, and ISO, these products meet the rigorous demands of global industries requiring durable and reliable piping solutions. The duplex stainless steel used offers enhanced resistance to chloride-induced stress corrosion cracking and pitting, which is critical in offshore and coastal applications.

Applications for these spools range from pipeline systems in petrochemical plants to water treatment facilities and desalination plants, where their mechanical properties and corrosion resistance contribute to long service life and reduced maintenance costs. Their robust construction allows them to withstand high pressures and temperatures, making them suitable for both onshore and offshore projects. Additionally, the modular nature of spool fabrication facilitates easier transportation and faster onsite assembly, which is a significant advantage for large-scale infrastructure developments.

Export readiness is a key focus for suppliers based in Malaysia, ensuring that all duplex stainless steel spool pieces are packaged and shipped in compliance with international shipping regulations. Documentation such as material test reports, third-party inspection certificates, and export licenses are meticulously prepared to guarantee smooth customs clearance and timely delivery. This commitment to quality and service reliability positions Malaysian exporters as trusted partners in the global supply chain for duplex stainless steel piping components.

Lead Time

2–7 weeks depending on size

Delivery Terms

FOB, CIF, DDP

Shipping Modes

Sea / Air / Express

Why Duplex Spool exporter in Malaysia 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

How to Choose the Right Duplex Spool exporter in Malaysia

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 Spool exporter in Malaysia

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 Spool

  • ✔ High corrosion resistance, ideal for harsh environments
  • ✔ Excellent weldability for easy installation
  • ✔ Enhanced mechanical properties for improved strength
  • ✔ Lightweight design for reduced handling costs
  • ✔ Cost-effective solution for long-term applications
  • ✔ Customized dimensions and specifications available

Technical Overview of Duplex Spool

Product Composition Usage Standards
Duplex Stainless Steel Spool 22% Cr, 5% Ni, 3% Mo, Balance Fe Used in oil and gas pipelines, chemical processing, and marine applications ASTM A790, ASME SA790
Duplex Stainless Steel Spool 25% Cr, 7% Ni, 4% Mo, Balance Fe Ideal for high strength and corrosion resistance in harsh environments EN 10216-5, ISO 15156
Duplex Stainless Steel Spool Duplex 2205 (S31803/S32205) Commonly used in pressure vessels and heat exchangers API 5L, ASTM A312

Specifications Table

Material Duplex Stainless Steel
Grades S31803, S32205
Standard ASTM A790, ASME SA790
Size Range 1/2" to 24" (NPS)
Length Up to 12 meters
Form Spool

Available Grades Table

Product Composition Applications
Duplex 2205 Fe, 22% Cr, 5% Ni, 3% Mo Oil and gas, chemical processing, pulp and paper
Duplex 2507 Fe, 25% Cr, 7% Ni, 4% Mo Marine environments, desalination plants, petrochemical applications
Duplex 2011 Fe, 18% Cr, 9% Ni, 0.6% N Food processing, pharmaceutical equipment
Super Duplex 2507 Fe, 25% Cr, 7% Ni, 4% Mo, 0.3% N Oil and gas, high chloride environments
Duplex 31803 Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N Chemical processing, storage tanks, heat exchangers

Available Sizes of Duplex Spool (MM)

Size (MM) Size (MM)
2550
3263
4076
5089
63102
76114
89127
102140
114152
140168

Chemical Properties of Duplex Stainless Steel

Element Composition (%)
Carbon (C)0.03 max
Manganese (Mn)1.0 max
Silicon (Si)1.0 max
Chromium (Cr)18.0 - 28.0
Nickel (Ni)4.5 - 8.0
Molybdenum (Mo)3.0 - 5.0
Nitrogen (N)0.08 - 0.3
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)230 - 300
Impact Toughness (J)50 (at -40°C)

Duplex Stainless Steel – Physical & Thermal Properties

Density of Duplex Stainless Steel

Property Metric Imperial
Density 7,800 kg/m³ 0.28 lb/in³

Melting Point of Duplex Stainless Steel

Property Metric Imperial
Melting Point 1,400 - 1,500 °C 2,552 - 2,732 °F

Specific Heat of Duplex Stainless Steel

Specific Heat of Duplex Stainless Steel
Specific Heat (J/kg·K) Temperature Range (°C) Condition
50020 - 100Solid
800100 - 300Solid
900300 - 1,000Solid

Electrical Resistivity of Duplex Stainless Steel

Electrical Resistivity
Value (µΩ·m) Temperature (°C) Treatment or Condition
0.75 20 Annealed
0.76100
0.78200
0.80300
0.82400

Equivalent of Duplex Stainless Steel

Standard Werkstoff Nr. UNS
ASTM A240 1.4462 S32205
EN 10088-3 X2CrNiMoN22-5-3 S31803

Manufacturing Process & Heat Treatment of Duplex Spool

Annealing

Annealing of duplex spools involves heating the material to a temperature range of 1000°C to 1100°C, followed by controlled cooling. This process helps to relieve internal stresses, improve ductility, and enhance the overall mechanical properties of the steel.

Forging

Forging of duplex spools is typically performed at elevated temperatures between 900°C and 1200°C. This process shapes the material and refines the grain structure, resulting in improved strength and toughness. It is crucial for achieving the desired dimensions and mechanical characteristics.

Hardening & Tempering

Process Temperature Range (°C) Quenching Medium Purpose
Hardening 1050 - 1150 Oil Increase hardness and strength of the material
Tempering 600 - 800 Air Reduce brittleness and improve ductility
Stress Relieving 500 - 600 Air Remove residual stresses from the material

The combination of these processes ensures that duplex spools manufactured in Malaysia meet the rigorous standards required for global steel exports, offering superior performance in various industrial applications.

Various Types

Duplex Stainless Steel Spools
  • Diameter: 3" to 12"
  • Condition: Pickled and Passivated
  • Applications: Oil and Gas, Chemical Processing
Get Best Price
Super Duplex Steel Spools
  • Diameter: 4" to 10"
  • Condition: Hot Rolled
  • Applications: Marine, Power Generation
Get Best Price
Duplex Steel Pipe Spools
  • Diameter: 2" to 8"
  • Condition: Cold Drawn
  • Applications: HVAC Systems, Water Treatment
Get Best Price
Duplex Fabricated Spools
  • Diameter: Custom Sizes Available
  • Condition: As Welded
  • Applications: Structural Applications, Heavy Industries
Get Best Price

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.

Latest Price List of Duplex Spool

Material Grade Thickness Price (USD / Kg) Price (INR / Kg)
Duplex Spool 3 mm $2.50 – $2.80 ₹207 – ₹232
Duplex Spool 6 mm $2.40 – $2.70 ₹199 – ₹225
Duplex Spool 10 mm $2.30 – $2.60 ₹192 – ₹215

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 Spool.

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
Steel coils securely packed for export shipment at Mumbai port
Supervised container loading of steel sheets for international export
Seaworthy packing of steel materials for international shipment
Fumigated wooden crate packing used for steel exports
Industrial steel products packed in fumigated wooden crates for overseas shipping
Palletised steel materials prepared and secured for international shipment
Export-ready steel products staged at container yard for overseas delivery
Heavy-duty export packaging for stainless steel and alloy steel products

Our Certifications

We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.

GST Registration Certificate - Ragnar Metals & Tubes

GST Registered

ISO 9001:2015 Certification - Ragnar Metals & Tubes

ISO 9001:2015

iso-1002-2018-certificate - Ragnar Metals & Tubes

ISO 1002:2018

Udyam Registration MSME Certificate - Ragnar Metals & Tubes

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.

Ultrasonic testing of stainless steel and alloy steel pipes for internal defect detection
Ultrasonic Testing (UT)

Detects internal flaws using high-frequency sound waves

Tensile strength testing of stainless steel and alloy steel materials
Tensile Strength Test

Measures yield strength, elongation, and material durability

Charpy V-notch impact testing of steel materials for toughness evaluation
Impact Test (Charpy V-Notch)

Evaluates toughness under low-temperature and high-stress conditions

Surface finish inspection of stainless steel products for quality and compliance
Surface Finish Inspection

Ensures smoothness, coating quality, and visual compliance

Heat treatment process for improving strength and corrosion resistance of steel
Heat Treatment (HT)

Enhances hardness, strength, and corrosion resistance

Hardness testing of stainless steel and alloy steel materials
Hardness Testing

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.

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Frequently Asked Questions

Yes, all our materials are manufactured and tested in compliance with ASTM, ASME, EN, DIN, ISO, and other applicable international standards. Each shipment is supplied with EN 10204 3.1 Material Test Certificates ensuring full traceability and quality assurance.

Yes, we provide EN 10204 3.1 or 3.2 Material Test Certificates with every order, including complete chemical and mechanical test reports linked to heat numbers and batch traceability.

Yes, we maintain ready stock of standard grades and sizes for fast domestic and international dispatch. Non-standard specifications are manufactured and delivered as per project timelines.

We export worldwide, including the USA, Canada, Germany, Italy, UAE, Saudi Arabia, Qatar, Oman, Singapore, Malaysia, Indonesia, South Africa, Australia, and other global industrial markets.

Our MOQ depends on the product type, grade, and size. We support both small trial orders and bulk project quantities for domestic and international buyers.

Yes, we provide custom cutting, machining, threading, polishing, heat treatment, and fabrication services based on customer drawings and technical specifications.

We support inspections by globally recognized agencies such as TUV, SGS, Bureau Veritas (BV), Lloyd’s Register, DNV, and customer-nominated inspection agencies.

Yes, we supply materials on FOB, CIF, and CFR basis as per Incoterms 2020, depending on the customer’s shipping preference and destination port.

Yes, we provide full export documentation including commercial invoice, packing list, certificate of origin, test certificates, and coordinate with freight forwarders for air and sea shipments worldwide.

Yes, our grades offers excellent resistance to corrosion, oxidation, and high-temperature conditions, making it suitable for oil & gas, chemical processing, power generation, marine, and industrial applications.

You can request the latest quotation by contacting our sales team or submitting an inquiry through our website. Pricing depends on size, quantity, delivery location, and current raw material market conditions.

Yes, we supply bulk quantities and project-specific materials for EPC contractors, refineries, petrochemical plants, power projects, and large-scale infrastructure developments worldwide.

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
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