High Corrosion Resistance ASTM A268 430 Tubes for Heat Exchanger Systems
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430 Tube's Material properties and applications:
430 stainless steel pipe is a ferritic stainless steel pipe that meets the ASTM A268 standard. It has good corrosion resistance and is suitable for weakly corrosive environments. It has excellent oxidation resistance at high temperatures (up to 815°C) and is suitable for use in industrial high-temperature environments. The material is magnetic and has good formability, making it suitable for cold processing manufacturing processes. Although it cannot be strengthened by heat treatment, annealing can improve toughness and ductility. 430 pipe is also suitable for surface treatments such as bright annealing and polishing, combining practicality and aesthetics. 430 stainless steel pipe is widely used in various industrial scenarios, such as heat exchanger systems, exhaust and ventilation ducts, industrial furnace equipment, and heat treatment equipment. Its good cost-effectiveness and stable performance make it a reliable choice for industrial pipes.
Chemical Composition:
Element | Content (%) |
C | ≤ 0.12 |
Si | ≤ 1.00 |
Mn | ≤ 1.00 |
P | ≤ 0.040 |
S | ≤ 0.030 |
Cr | 16.00 – 18.00 |
Ni | ≤ 0.75 (typically none) |
N | — |
Fe | Balance |
Physical Properties:
Property | Value |
Density | 7.7 g/cm³ |
Melting Point | 1425 – 1510°C |
Thermal Conductivity (at 100°C) | 26 W/m·K |
Specific Heat | 460 J/kg·K |
Electrical Resistivity | 0.60 μΩ·m |
Elastic Modulus | ~200 GPa |
Magnetism | Magnetic |
Thermal Expansion (20–100°C) | ~10.4 × 10⁻⁶ /K |
Parameter Table:
Specifications of 430 Tube | |||
Grade | Standard | Outside Diameter | 3.18mm-38mm |
405/409/410S/430 | ASTM A268 | Wall Thickness | 0.5mm-3mm |
Length | ≤30m | ||
Surface | Bright Annealed/ Polished/ Annealed Pickled | ||
Inspection | Appearance/ Dimensional test, PMI; | ||
Certificates | ISO/PED/AD2000/TS | ||
Package | End protection/ Woven bags/ Wooden cases |
Factory advantages and features:
1. Huxin Pipe, a highly reliable seamless pipe manufacturer with 36 years of experience in pipe production, is an investment by MTSCO, the seamless tube supplier.
2. Apart from the regular sizes, we have the capability to produce pipe extensions of 18 meters and 25 meters, offering diversified pipe sizes.
3. The production and inspection facilities are well-equipped, encompassing cold rolling mills, annealing furnaces, pickling baths, ultrasonic eddy current integration, and physical and chemical laboratories.
4. A complete quality control process is in place, with full-time MTSCO quality inspectors present on-site before, during, and after production, in addition to factory technicians.
5. Our certifications include ISO/PED/AD2000, ensuring a comprehensive set of complete certifications.
Introduction to Quality Control Inspection Methods:
Quality Assurance for Raw Materials
Our raw materials, sourced from esteemed steel mills such as Baosteel and Tsingshan, undergo stringent warranty and PMI checks to ensure top-notch quality. Stringent PMI checks and other inspections guarantee compliance with material specifications.
Supervised Production Process
From cold rolling, cold drawing, annealing, to pickling and surface treatment, our seamless pipe manufacturing process is meticulously overseen. Skilled engineers, equipped with advanced tools, supervise each phase and capture detailed records through photography. Process cards guarantee precision and traceability throughout production.
Quality Assurance Before Shipment
Our dedicated QC team conducts comprehensive inspections, encompassing appearance, PMI, size, quantity, and more. Mechanical, hardness, ultrasonic, eddy current, and hydraulic tests are carried out. We also welcome third-party evaluations (SGS, TUV, BV) and ensure secure packaging and container reinforcement to ensure product integrity during transportation.
Packing of 430 Tube:
Product | Packing |
LCL PIPE | Plywood crate + protective pipe caps on both ends |
FCL PIPE | Woven bag + protective pipe caps on both ends |
LCL/FCL TUBE | Plywood crate + individual plastic bag wrapping + end caps on both sides |
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