Sch 40 304 Stainless Steel Pipe Jis 0.8mm 1500mm DIN Bright Surface
Sch 40 304 Stainless Steel Pipe Jis 0.8mm 1500mm DIN Bright Surface
304vs. 316 stainless steel
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.
Martensitic stainless steel has only one grade, grade 420. This grade offers slightly less resistance to chemicals than the austenitic and ferritic steels, but it still has good resistance to things such as some alkalis, mild acids, water, and food compounds. It also has great tensile strength and impact resistance. This makes it ideal for producing items like cutlery.
304 Stainless Steel Pipe Specification
| Name | Sch 40 304 Stainless Steel Pipe Jis 0.8mm 1500mm DIN Bright Surface |
| Items | 304L Stainless Steel Pipe |
| Standard | ASTM A554 |
| Material Grade | 304: Ni 8%, Cr 18% |
| Outer Diameter | 40mm |
| Thickness | 0.8mm |
| Length | 1.5m, or as customers' request |
| 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 | 304 |
| C | ≤0.08 | |
| Si | ≤1.00 | |
| Mn | ≤2.00 | |
| P | ≤0.045 | |
| S | ≤0.03 | |
| Cr | 18-20 | |
| Ni | 8-11 |
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