Kyaw Stainless is a reputable manufacturer and supplier located in Naypyidaw, Myanmar, focusing on top-notch Stainless Steel 420 Pipes. With a strong dedication to precision engineering and quality, the company provides durable and corrosion-resistant piping solutions that cater to a wide range of industrial and commercial needs. The Stainless Steel 420 Pipes from Kyaw Stainless are celebrated for their impressive strength, smooth polishable surface, and resistance to wear and corrosion. Utilizing advanced manufacturing methods and strict quality control, Kyaw Stainless guarantees that each product aligns with international standards and meets customer expectations for reliability and performance.
These Stainless Steel 420 Pipes primarily consist of chromium (12–14%), carbon (at least 0.15%), manganese, silicon, and trace elements such as sulfur and phosphorus. This type of martensitic stainless steel is known for its excellent hardness and moderate resistance to corrosion. The material boasts a tensile strength of about 700 MPa, a yield strength of roughly 500 MPa, and an elongation of around 15%. With a Brinell hardness reaching up to 250 HB and good machinability after hardening and tempering, SS 420 pipes provide outstanding mechanical performance and dimensional stability even in challenging environments.
| Item | Stainless Steel 420 Pipe |
| Standard | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Outer Diameter Size | SEAMLESS – 1/2″ NB TO 18″ NB WELDED / ERW- 1″ NB TO 16″ NB EFW – 8″ NB TO 110″ NB |
| Form | Round Pipes, Square Pipes, Rectangular Pipe, “U” Shape Pipes, Hydraulic Pipes |
| Wall Thickness | Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size End: Plain End, Beveled End, Treaded |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
| Testing | Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc |
| Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
| Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
| Fe | C | Mn | Si | Cr | Ni* | Mo* | P | S | Cu* | Al* | Sn* |
|---|---|---|---|---|---|---|---|---|---|---|---|
Balance | 0.15-0.40% | 1.00% max | 1.00% max | 12.00-14% | 0.50% max | 0.50% max | 0.04% max | 0.03% max | 0.50% max | 0.15% max | 0.05% max |
| Property | Metric |
|---|---|
Density | 7.74 g/cm3 |
Elastic Modulus | 200 GPa |
Electrical Resistivity | 0.55 x 10-7 .m |
Tensile Strength | 655 MPa |
Yield strength (Temper: Annealed) Minimum 0.2% offset | 40,000 psi |
Yield Strength (Temper: Hardened + 350°F) Typical 2% offset | 195,000 psi |
Elongation (% in 50 mm) | 25 |
Brinell Hardness (HB) | 241 max |
Contact us to get a quick quote for your requirement.
Stainless Steel 420 Pipes are used extensively in high-strength component applications across industries like cutlery, medical equipment, pumps, shafts, and valves. The high wear resistance of these pipes makes them perfectly suited for usage in the aerospace, automotive, and marine industries. Stainless Steel 420 Pipes are also applied in industrial process equipment, food processing equipment, and chemical industry applications where a moderate level of corrosion resistance along with high durability is needed to ensure consistent performance in harsh conditions.
Welded from stainless steel strips, offering high hardness and wear resistance, ideal for cutlery, surgical instruments, and high-strength applications.
Made by fusing stainless steel plates, providing high-strength, wear-resistant pipes suitable for industrial tools and components requiring durability and hardness.
Produced using submerged arc welding, offering strength and hardness for large-diameter applications, including industrial and high-stress environments.
Manufactured without welding, providing uniform strength and high hardness, ideal for cutlery, surgical tools, and applications requiring excellent wear resistance and durability.
Made by welding stainless steel sections, offering high hardness and wear resistance, suitable for industrial applications, cutlery, and tools requiring enhanced durability.
Feature a square cross-section, providing structural support and high hardness, ideal for use in applications requiring durability, wear resistance, and a unique design.
Stainless Steel 420 Pipes find extensive use in industries that demand strength, hardness, and moderate corrosion resistance. They are commonly used in the production of cutlery, surgical instruments, pump shafts, and various mechanical parts. Additionally, these pipes are utilized in automotive components, food processing equipment, and marine applications where durability and a polished finish are essential. In the oil and gas sector, these pipes are employed in moderate-temperature fluid transport systems. Thanks to their strength and heat resistance, SS 420 pipes are perfect for construction, power generation, and chemical processing plants that require dependable performance under pressure.
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