303 stainless steel tube(high quality with low price)
303 stainless steel is used for general structure and the mechanical structure of seamless tube. It usually is austenitic type containing sulfur and selenium. It is used in the manufacture of various structural low intermediate pressure boiler superheated steam pipe.
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| 303 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.20 | ≥ 0.15 | 17.00-19.00 | 8.00-10.00 | ≤0.6 |
mechanical property
Yield strength:≥205 MPA
tensile strength:≥520 MPA
Hardness:hb≤187hb?hrc≤90hrb?hv≤200hv
Elongation:≥40%
1.303 stainless steel tube is applicable to the working temperature for - 40 ~ 400 ℃, improve cutting performance and high temperature resistance
2.303 stainless steel is widely used used in oil cracking is suitable for oil refinery furnace pipe, military and other industries.
3.it is used in the manufacture of high pressure and over pressure of the water tube boiler heating surface quality carbon steel
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