X8CrNi25-21不锈钢板

{"faq": [{"answer": "X8CrNi25-21是欧标牌号，310S是ASTM美标牌号，两者化学成分和性能基本相同，只是命名体系不同。", "question": "X8CrNi25-21和310S有什么区别？"}, {"answer": "X8CrNi25-21连续使用温度可达1150℃，短时间最高可达1200℃，是耐热不锈钢中使用温度最高的牌号之一。", "question": "X8CrNi25-21最高使用温度是多少？"}], "temp": "700~1200℃", "grade": "X8CrNi25-21", "features": ["抗氧化", "抗蠕变", "耐腐蚀", "易焊接"], "packaging": "标准出口包装：内衬塑料薄膜防潮，外用钢带捆扎，木托盘或木箱包装。可根据客户要求定制包装方式。", "standards": {"en": "1.4845 / X8CrNi25-21", "gb": "06Cr25Ni20 (GB/T 1221)", "jis": "SUS310S", "uns": "S31008", "wnr": "1.4845", "astm": "A240/A240M 310S"}, "thickness": "0.5~60mm", "priceRange": "28,000 - 35,000", "stockSpecs": [{"width": "1000/1219mm", "length": "C（卷）", "thickness": "0.5~1.0mm"}, {"width": "1000/1219/1500mm", "length": "C（卷）/2000/2438mm", "thickness": "1.0~3.0mm"}, {"width": "1219/1500mm", "length": "2000/2438/6000mm", "thickness": "3.0~6.0mm"}, {"width": "1500/1800/2000mm", "length": "6000mm", "thickness": "6.0~20mm"}, {"width": "1500/1800/2000mm", "length": "6000mm", "thickness": "20~60mm"}], "application": "炉体、工装、高温管道、裂解炉管、热处理炉", "description": "X8CrNi25-21不锈钢板是欧洲标准（EN 10095）中的耐热不锈钢牌号，对应ASTM 310S和中国国标06Cr25Ni20。具有高铬镍含量，在1200℃高温下仍能保持优异的力学性能和抗氧化性。广泛应用于欧洲高温设备。", "deliveryTime": "常规规格现货1-3天发货，非标规格定制7-15天", "certifications": ["ISO 9001:2015", "SGS 质量认证", "TUV 认证", "PED 认证", "CE认证"], "surfaceTreatments": ["No.1（热轧退火酸洗）", "2B（冷轧退火酸洗）", "BA（光亮退火）", "No.4（拉丝）", "8K（镜面）"], "physicalProperties": {"density": "7.98 g/cm³", "meltingPoint": "1398~1454℃", "specificHeat": "500 J/kg·K", "elasticModulus": "200 GPa", "thermalExpansion": "15.9 ×10⁻⁶/℃ (0~100℃)", "thermalConductivity": "14.2 W/m·K (100℃)", "electricalResistivity": "0.78 μΩ·m"}, "chemicalComposition": [{"content": "≤0.08%", "element": "C（碳）"}, {"content": "≤1.50%", "element": "Si（硅）"}, {"content": "≤2.00%", "element": "Mn（锰）"}, {"content": "24.00~26.00%", "element": "Cr（铬）"}, {"content": "19.00~22.00%", "element": "Ni（镍）"}, {"content": "≤0.030%", "element": "S（硫）"}, {"content": "≤0.035%", "element": "P（磷）"}], "applicationScenarios": [{"industry": "石油化工", "equipment": "裂解炉管、转化炉管、反应器内衬", "description": "在乙烯裂解炉中长期承受1100℃高温，抗氧化性能优异"}, {"industry": "电力能源", "equipment": "锅炉过热器、再热器、燃烧器", "description": "适用于超临界锅炉高温部件，抗蠕变性能突出"}, {"industry": "热处理", "equipment": "炉辊、炉管、工装夹具", "description": "热处理炉核心部件，可长期在1000℃以上使用"}, {"industry": "冶金行业", "equipment": "退火炉罩、均热炉部件", "description": "钢铁冶金高温设备关键材料"}], "mechanicalProperties": [{"value": "≥520", "property": "抗拉强度（MPa）"}, {"value": "≥205", "property": "屈服强度（MPa）"}, {"value": "≥40", "property": "延伸率（%）"}, {"value": "≤187", "property": "硬度（HB）"}], "processingPerformance": {"weldMethod": "TIG焊、MIG焊、手工电弧焊、埋弧焊", "formability": "良好，可进行冷弯、热弯、深冲等加工", "weldability": "良好，可采用多种焊接方法", "heatTreatment": "固溶处理 1040~1150℃ 水冷", "machinability": "中等，建议低速大进给，使用硬质合金刀具"}}