JIS Ss 304 Pipe ERW Stainless Steel Metal Pipe small Square Tube
About 304,316,434 and 430
Within the austenitic steel types, there are two main grades – grade 304 and grade 316. Grade 304 is known for its high tensile strength of roughly 621 MPa (90 ksi). Grade 316 stainless steel also has a tensile strength of 579 MPs (84 ksi), making the two grades reasonably similar in this regard.
They also both have a high maximum operating temperature. Grade 304 has a maximum temperature of 870°C (1598°F) and Grade 316 has a maximum of 800°C (1472°F).
When comparing 304 vs. 316 stainless steel, one major difference is resistance to chlorides such as salt. Grade 316 is more resistant to the elements, making it a more desirable stainless steel for things like maritime applications.
Ferritic stainless steel also has two main grades – grade 430 and grade 434. Grade 430 stainless steel isn’t as strong as either of the austenitic steels but offers better resistance to nitric acid. It is also still strong enough for most heavy-duty applications.
Grade 434 steel has high tensile strength and maximum operating temperature and is tougher than the 430 grade, including better pitting resistance.
Stainless Steel Metal Pipe Specification
| Name | JIS Ss 304 Pipe ERW Stainless Steel Metal Pipe small Square Tube |
| Items | 304 |
| Standard | JIS |
| | 304: Ni 8%, Cr 18% |
| Outer Diameter | 1"(25.4mm) |
| Thickness | 0.5mm |
| Length | 3.4m, or as customers' request |
| Width | 15mm |
| Height | 15mm |
| Tolerance | a) Outer Diameter: +/- 0.2mm |
| | b) Thickness: +/- 0.03mm |
| | c) Length: +/- 5mm |
| Surface | annealing,pickling |
| | sandblasting |
| Application | industry,exhausting,welding,furniture,window |
| Test | Squash test, extended test, water pressure test,heat treatment, NDT |
Elemental comparison of the different materials
| Chemical Composition of Material | Material | 201 | 316L | 304 |
| C | ≤0.15 | ≤0.035 | ≤0.08 |
| Si | ≤1.00 | ≤1.00 | ≤1.00 |
| Mn | 5.5-7.5 | 2 | ≤2.00 |
| P | ≤0.06 | ≤0.045 | ≤0.045 |
| S | ≤0.03 | ≤0.03 | ≤0.03 |
| Cr | 16-18 | 16-18 | 18-20 |
| Ni | 3.5-5.5 | 10-14 | 8-11 |
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JIS Ss 304 Pipe ERW Stainless Steel Metal Pipe Small Square Tube Images
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