| Grade : | 310S31 無縫圓形鋼管。不銹鋼 | ||||||
| Number: | X8CrNi25-21 | ||||||
| Classification: | 奧氏體耐熱鋼 | ||||||
| Density: | 7.9 g/cm 3 | ||||||
| Standard: | |||||||
| EN 10095:1999耐熱鋼和鎳合金 | |||||||
| EN 10296-2:2005機(jī)械和一般工程用焊接圓鋼管。不銹鋼。技術(shù)交付條件 | |||||||
| EN 10297-2:2005機(jī)械和一般工程用無縫圓形鋼管。不銹鋼。技術(shù)交付條件 | |||||||
| EN 10088-1:2005不銹鋼。不銹鋼清單 | |||||||
| Equivalent grades: | |||||||
| Chemical comb % of steel X8CrNi25-21 (310S31 ): EN 10095-1999 | |||||||
| C | Si | Mn | Ni | P | S | Cr | N |
| max 0.1 | max 1.5 | max 2 | 19 - 22 | max 0.045 | max 0.015 | 24 - 26 | max 0.11 |
| Mechanical properties of steel X8CrNi25-21 (310S31 ) | |||||||
| Rm - Tensile strength (MPa) (+AT) | 500-700 | ||||||
| Rp0.2 0.2% proof strength (MPa) (+AT) | 210 | ||||||
| A - Min. elongation at fracture (%) (+AT) | 33-35 | ||||||
| Brinell hardness (HB): (+AT) | 192 |
