Weston Stainless, based in Midland, UK, is a prominent distributor of high-quality stainless steel products, one of which is Stainless Steel 420 Pipes. These pipes are produced using grade 420 stainless steel, a martensitic stainless steel that is noted for its superior hardness, wear resistance, and normal corrosion resistance. Offered in a range of shapes like round, square, and rectangular, these pipes are noted for their high strength and durability. Their heat-treatability for enhanced mechanical properties makes them ideal for challenging applications in aerospace, automotive, and manufacturing industries where precision and reliability are essential.
Stainless Steel 420 Pipes consist mainly of iron with 12-14% chromium for corrosion resistance and 0.15-0.40% carbon for hardness. They also contain trace amounts of manganese, silicon, and phosphorus for additional strength. These pipes have a tensile strength of approximately 650 MPa, yield strength of about 500 MPa, and elongation of approximately 10%. They have a density of 7.75 g/cm³ and a melting point of 1460°C, which makes them extremely fit for high-stress and high-temperature conditions.
| 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 |
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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 are supplied with mill test certificates, third-party inspection reports, and compliance documents to guarantee quality and industry standards. They are properly packed in wooden crates, plastic wraps, or steel-strapped bundles to avoid damage during shipping. With effective logistics and various shipping options, Weston Stainless guarantees timely and safe delivery globally.
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