316 316L Stainless Steel Seamless Pipe
316 316L Stainless Steel Seamless Pipe
316 stainless steel due to the addition of Mo element, so that its corrosion resistance, and high temperature strength has been greatly improved, high temperature resistance can reach 1200-1300 degrees, can be used under harsh conditions.
316L stainless steel pipe is a kind of hollow long circular steel, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial transportation pipes and mechanical structural components. In addition, the bending and torsional strength are the same, and the weight is light, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used for the production of various conventional weapons, barrels, shells, etc.
Chemical composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316 | min. max. |
– 0.08 |
– 2.0 |
– 0.75 |
– 0.045 |
– 0.030 |
16.0 18.0 |
2.0
3.0 |
10.0
14.0 |
– 0.10 |
| 316L | min. max. |
– 0.030 |
– 2.0 |
– 0.75 |
– 0.045 |
– 0.030 |
16.0 18.0 |
2.0
3.0 |
10.0
14.0 |
– 0.10 |
| 316H | min. max. |
0.04 0.10 |
– 2.0 |
– 0.75 |
-0.045 | – 0.030 |
16.0 18.0 |
2.0
3.0 |
10.0
14.0 |
– |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 92 | 217 |
| 316H also has a requirement for a grain size of ASTM No 7 or coarser. | |||||
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