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SUS304 316l AISI 3M Stainless Steel Handrail Accessories 0.5MM Round Pipe
The hardness of 430 steel
The Rockwell Hardness B scale is one of the many scales available that show the surface resilience of a material. A device will impart a local force on the surface of a material and record when it scratches/nicks/deforms. Each test uses its own hardness tester (known as indentation machines), where various materials are tested and then put on a comparative scale. Hardness is therefore only useful in comparison to other materials on the same scale. For reference, the Rockwell B hardness of copper, a soft metal, is 51; in comparison, 430 steel’s Rockwell B hardness is 85, which shows how resistant this material is while still being at the lower end of steels.
Stainless Steel Handrail Accessories Specification
| Name | SUS304 316l AISI 3M Stainless Steel Handrail Accessories 0.5MM Round Pipe |
| Standard | ASTM A554 |
| Material Grade | 201: Ni 0.7%--1% |
| 304: Ni 8%, Cr 18% | |
| 316L:Ni10%,Cr16% | |
| Outer Diameter | 15mm |
| Thickness | 0.5mm |
| Length | 2m, 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 |
Stainless Steel Pipe Chemical Component( %)
| Grade ASTM | C | Si | Mn | S | P | Cr | Ni |
| 316 | ≤0.035 | ≤1.00 | 2 | ≤0.03 | ≤0.045 | 16-18 | 10-14 |
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 17.00-19.00 | 8.00-11.00 |
