| Grade : | 304H 壓力用無縫鋼管 | ||||||
| Number: | X6CrNi18-10 | ||||||
| Classification: | 奧氏體抗蠕變鋼 | ||||||
| Density: | 7.9 g/cm 3 | ||||||
| Standard: | |||||||
| EN 10028-7:2007壓力用鋼制扁平產品。不銹鋼 | |||||||
| EN 10222-5:2000壓力用鋼鍛件。馬氏體、奧氏體和奧氏體-鐵素體不銹鋼 | |||||||
| EN 10216-5:2014壓力用無縫鋼管。技術交付條件。不銹鋼管 | |||||||
| EN 10269:1999具有規(guī)定高溫和/或低溫財產的緊固件用鋼和鎳合金 | |||||||
| EN 10088-1:2005不銹鋼。不銹鋼清單 | |||||||
| Equivalent grades: | |||||||
| Chemical comb % of steel X6CrNi18-10 (304H ): EN 10028-7-2007 | |||||||
| C | Si | Mn | Ni | P | S | Cr | N |
| 0.04 - 0.08 | max 1 | max 2 | 8月11日 | max 0.035 | max 0.015 | 17 - 19 | max 0.1 |
| Mechanical properties of steel X6CrNi18-10 (304H ) | |||||||
| Rm - Tensile strength (MPa) (+A) | 510-740 | ||||||
| Rm - Tensile strength (MPa) (+AT) | 490-700 | ||||||
| Rp0.2 0.2% proof strength (MPa) (+A) | 190-230 | ||||||
| Rp0.2 0.2% proof strength (MPa) (+AT) | 185 | ||||||
| KV - Impact energy (J) transverse, (+A) | +20° | ||||||
| 60 | |||||||
| KV - Impact energy (J) longitud., (+A) | +20° | ||||||
| 100 | |||||||
| A - Min. elongation at fracture (%) (+A) | 45 | ||||||
| A - Min. elongation at fracture (%) longitud., (+AT) | 40 | ||||||
| A - Min. elongation at fracture (%) transverse, (+AT) | 30 | ||||||
