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| Grade : | 2388 彈簧用不銹鋼帶 | ||||||
| Number: | X7CrNiAl17-7 | ||||||
| Classification: | 馬氏體鋼和沉淀硬化鋼-特殊等級(jí) | ||||||
| Density: | 7.8 g/cm 3 | ||||||
| Standard: | |||||||
| EN 10088-2:2005不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術(shù)條件 | |||||||
| EN 10088-3:2005不銹鋼。一般用途耐腐蝕鋼的半成品、棒材、線(xiàn)材、型材和光亮產(chǎn)品的交貨技術(shù)條件 | |||||||
| EN 10151:2003彈簧用不銹鋼帶。技術(shù)交付條件 | |||||||
| EN 10088-1:2005不銹鋼。不銹鋼清單 | |||||||
| EN 10088-5:2009不銹鋼。建筑用耐腐蝕鋼棒材、棒材、線(xiàn)材、型材和光亮產(chǎn)品的交貨技術(shù)條件 | |||||||
| EN 10088-4:2009不銹鋼。建筑用耐腐蝕鋼片/板和帶材交貨技術(shù)條件 | |||||||
| Equivalent grades: | |||||||
| Chemical composition % of steel X7CrNiAl17-7 (2388 ): EN 10088-2-2005 | |||||||
| 未經(jīng)買(mǎi)方同意,不得故意將本表中未列出的元素添加到鋼材中,除非對(duì)鑄件進(jìn)行精加工。 | |||||||
| 為了獲得更好的冷變形能力,上限Nimay可提高到8.3% | |||||||
| C | Si | Mn | Ni | P | S | Cr | Al |
| max 0.09 | max 0.7 | max 1 | 6.5 - 7.8 | max 0.04 | max 0.015 | 16 - 18 | 0.7 - 1.5 |
| Mechanical properties of steel X7CrNiAl17-7 (2388 ) | |||||||
| Rm - Tensile strength (MPa) (+AT) | 850-1030 | ||||||
| A - Min. elongation at fracture (%) (+AT) | 19 | ||||||
| Brinell hardness (HB): (+AT) | 255 | ||||||