JIS SUS304 Stainless Steel Square Pipe
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JIS SUS304 Stainless Steel Square Pipe is a structurally shaped tube made from SUS304 stainless steel, following Japanese Industrial Standards (JIS). SUS304 is an austenitic stainless steel containing approximately 18% chromium and 8% nickel, known for its excellent corrosion resistance, good mechanical properties, and suitability for a wide range of industrial and civil applications. The "square pipe" aspect refers to its hollow, square-shaped cross-section, making it a structural or hollow section with various uses.
JIS SUS304 Stainless Steel Pipe Specifications
| Item | Stainless steel pipe / tube |
| Material | 201 202 304 304L 316 316L 316Ti 321 309S 310S 317L 347H 2205 2507 904L |
| Thinckness | 1mm ~ 20mm |
| Outer diameter | 10.3mm ~ 610mm |
| Length | 5.8m, 6m, 1-11.8m or as customer's requirement |
| Finish | Annealed, Industry,Polished, Pickled,hairline,mirror |
| Shape | Round,square;rectangular;oval |
| Technology | Seamless,weld |
| Standard | JIS, AISI, ASTM, GB, DIN, EN ,etc. |
| MOQ | 1 Ton |
| Application | Decoration, industry, food, chemical, water and gas, etc. |
| Certificate | SGS, BV, MTC |
| Packaging | In bundles, wooden cases, standard exporting packing or customized |
SUS304 Stainless Steel Chemical Composition
The composition of SUS304 grade stainless steel is given in table 1.
| Chemical Composition % | |||||||||
| Country (Region) | Standard | Steel Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni |
| Japan | JIS G4303 | SUS304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 18.00-20.00 | 8.00-10.50 |
SUS 304 Mechanical Properties
The following table shows the SUS 304 yield strength, tensile strength, elongation and hardness.
| Mechanical properties | ||||||||
| Country (Region) | Standard | Steel Grade | Diameter (d) in mm | Yield strength (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Hardness (HB) | Hardness (HV) |
| Japan | JIS G4303 | SUS304 | d≤180 | ≥ 205 | ≥ 520 | 40 | ≤ 187 | ≤ 200 |
SUS 304 material physical properties
| Density (g/cm3) | 7.93 |
| Meltingpoint (℃) | 1,400-1,450 |
| Specific heat (J/kg·℃) | 460-502 |
| Electrical resistivity (μΩ·m) (20℃) | 0.73 |
| Thermal expansion (10-6/K) | 16.3 (20-100℃) |
| 17.8 (20-300℃) | |
| 18.4 (20-500℃) | |
| Thermal conductivity (W/m·K) | 16.8 (100℃) |
Applications
Due to its versatility and beneficial properties, JIS SUS304 Square Pipes are used in:
Construction: Structural components, railings, and architectural elements.
Industrial Applications: Manufacturing, food processing, water treatment, and petrochemical industries.
Marine Industry: Components in shipbuilding and marine environments.
Furniture: For creating aesthetically pleasing and durable furniture pieces.
Packing Details: Export standard package, or as customers request.
The inner size of container is below:
20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
Delivery Details : 5-15 days after get the deposit, or according to the order quantity or upon negotiation.
