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1、1 氮化硅结合炭化硅砖1、范围：本标准适用于炼铁高炉用、电解铝槽用氮化硅砖和氮化硅结合炭化硅窑具。2、定义：氮化硅结合炭化硅砖（silicon nitride bonded silicon carbide bricks）以炭化硅为骨料加入工业硅粉，经混炼成型，通过氮化反应烧结，形成氮化硅为主要结合相，且氮化硅和氮化硅含量之和不小于90%的定形制品。3、分类、牌号及形状尺寸：3.1 氮化硅结合碳化硅按用途不同分为TDG、LDG、YDG三个类别，T、L、Y 分别代表炼铁、电解铝、窑具，DG 为氮和硅的汉语拼音首字母。3.2 氮化硅结合碳化硅TDG 类分为 TDG-1 和 TDG-2 两个牌号。3.
2、3 形状尺寸应符合YB/T5012 的规定或需方图纸要求。4、技术要求：4.1 砖的理化指标应符合表1 规定。2 表 1：碳化硅结合炭化砖的理化指标。项目指标TDG-1 TDG-2 LDG YDG 复验允许偏差显气孔率/%，不大于16 18 16 18+2 体积密度/（g/cm3）,不小于2.65 2.60 2.65 2.60-0.05 常温耐压强度/MPa,不小于160 150 150 140-20 常温抗折强度/MPa,不小于45 40 40 40-5 高温抗折强度（14000.5h）/MPa,不小于45 40 45 40-5 导热系数（1000）/W/(m K),不小于(参考指标)16.
3、0 15.5 16.0-W（SiC）/%,不小于72 70 72 70-W（Si3N4）/%,不小于20 20 20 20-W（Fe2O3）/%,不大于0.7 1.0 0.7 0.7-4.2 砖的尺寸允许偏差及外观应符合表2 的规定。表 2：氮化硅结合碳化硅的尺寸允许偏差及外观。项目指标TDG-1 TDG-2 LDG YDG 尺寸允许偏差300 不大于1.0 1.5 1.5 1.5 301600 1.5 2.0 2.0 2.0 600 0.4%（最大4.0）0.6%（最大5.0）扭曲长度尺寸300 1.0 1.0 1.0 1.0 301500 1.5 1.5 1.5 1.5 500 0.4%0
4、.6%缺角长度（a+b+c）35 40 35 40 缺棱长度（e+f+g）35 40 35 40 熔洞直径5 5 5 3 深度3 3 3 3 裂 纹长度宽度0.25 不限制不限制不限制不限制宽度0.50 不准有不准有不准有不准有指标中带%的允许偏差是指以砖的尺寸计的百分数。文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编
5、码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U
6、1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编
7、码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U
8、1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编
9、码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U
10、1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L83 4.3 特殊技术要求按供需双方合同执行。5、实验方法：5.1 砖的检验制样按GB/
11、T 7321 进行。5.2 显气孔率、体积密度的检验按GB/T 2997 进行。5.3 常温抗折强度检验按GB/T 3001 进行。5.4 高温抗折强度检验按GB/T 3002 进行。5.5 常温耐压强度检验按GB/T 5072.2 进行。5.6 导热系数检验按GB/T 5990 进行。5.7 砖的尺寸、外观及断面检查按GB/T 10326 进行。5.8 氮化硅量的测定按YB/T 174.1 进行。5.9 炭化硅量的测定按YB/174.2 进行。5.10 氧化铁量的测定按YB/T 174.4 进行。6、质量评定程序：6.1 组批：产品按同一牌号编排，每批不超过120t。6.2 抽样及合格判定规
12、则：砖的抽样与验收按GB/T10325 进行，本标准的体积密度，常温耐压强度，高温抗折强度为验收检验项目。6.3 合格评定形式：合格评定可采用供货方声明、使用方认定或由第三方认证的形式进行。7 包装、运输、储存和质量证明书：7.1 砖的包装、运输和储存按GB/T 16546 进行或合同约定执行。文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3
13、H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2
14、J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3
15、H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2
16、J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3
17、H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2
18、J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L84 7.2 砖发出时应附有供方质量监督部门签发的质量证明书，载明
19、供方名称、需方名称、产品名称、牌号、砖号和砖的质量指标检验结果等项目。文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L
20、8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:
21、CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L
22、8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:
23、CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L
24、8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8文档编码:CG8X4N2J8Y1 HR4H7U1L8X9 ZP3H1M4B3L8