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排气催化转化器用金属蜂窝载体技术条件
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QCT 1075-2017
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标准编号: QC/T 1075-2017 (QC/T1075-2017)
中文名称: 排气催化转化器用金属蜂窝载体技术条件
英文名称: Technical specification of honeycomb metal substrate for exhaust catalytic converter
行业: 汽车行业标准 (推荐)
中标分类: T13
字数估计: 16,171
发布日期: 2017-04-12
实施日期: 2017-10-01
标准依据: 工业和信息化部公告2017年第14号
范围: 本标准规定了排气催化转化器用金属蜂窝载体的技术要求、材料、试验方法、检验规则、标志、包装、运输和贮存。
QC/T 1075-2017: 排气催化转化器用金属蜂窝载体技术条件
QC/T 1075-2017 英文名称: Technical specification of honeycomb metal substrate for exhaust catalytic converter
中 华 人 民 共 和 国 汽 车 行 业 标 准
QC/T1075—2017
排气催化转化器用金属蜂窝载体 技 术 条 件
中华人民共和国工业和信息化部 发布
1 范围
本标准规定了排气催化转化器用金属蜂窝载体的技术要求、材料、试验方法、检验规则、标志、包装、
运输和贮存。
本标准适用于 M 类和N 类机动车辆排气催化转化器用金属蜂窝载体。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本
标准。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本标准。
GB/T 31942 金属蜂窝载体用铁铬铝箔材
3 术语和定义
下列术语和定义适用于本标准。
4 技术要求
4.1 基本要求
载体应按经规定程序批准的产品图样及技术文件制造，并应符合本标准的要求。同一规格应在
下列方面保持一致：
a) 蜂窝结构和载体外壳材料。
b) 蜂窝结构的孔密度。
c) 载体净体积。
d) 载体尺寸与载体总体积。
4.2 规格和允差
4.2.1 载体规格参数表参见附录A。
4.2.2 表1为载体规格及允差范围，如企业有相关规定，以企业技术文件为准。
4.2.3 表1为圆柱体载体，如果载体为其他结构形式应修改使用，并应在附录A 以及企业技术文件
中予以说明。
4.3 材 料
4.3.1 蜂窝结构和壳体材料采用耐高温材料，应符合企业技术文件规定。
4.3.2 材料的规格应在企业技术文件中加以规定。
4.3.3 对于蜂窝结构采用铁铬铝箔材的载体，材料应符合 GB/T 31942 的规定。
4.4 耐高温性能
按本标准5.2对载体进行耐高温试验后载体不应出现下列现象。
a) 壳体和蜂窝结构氧化增重超过实验前载体质量的3%。
b) 蜂窝结构与壳体发生松脱或脱离现象。
c) 载体外廓发生了严重变形。
d) 其他影响正常使用的现象。
4.5 振动耐久性
4.5.1 按本标准5.3对载体进行热振动试验。
4.5.2 热振动试验前后，常温下测量载体空速(60000±600)h-¹下前后端面压差，压差值的变化值
不得超过15%。
4.5.3 热振动试验后载体不应出现蜂窝明显变形、蜂窝结构与外壳脱落或脱离、外廓严重变形等破
坏现象，其他破坏形式可由企业技术要求详细加以规定。
4.6 温度冲击耐久性
4.6.1 按照本标准5.4在载体进行温度冲击试验。
4.6.2 温度冲击试验前后，常温下测量载体空速(60000±600)h-¹下前后端面压差，压差值的变化
值不得超过15%。
4.6.3 温度冲击试验后载体不应出现蜂窝明显变形、蜂窝结构与外壳脱落或脱离、外廓严重变形等
破坏现象，其他破坏形式可由企业技术要求详细加以规定，
5 试验方法
5.1 总则
5.1.1 试验前应确认载体为未涂敷催化剂的全新状态。
5.1.2 测量、记录并确认受试样品初始状态符合4.2规格要求。
5.1.3 根据载体应用环境的不同划分类别，不同类别试验条件存在差别。
5.1.4对于送样或者抽样的试验样件，选择3个样件分布进行5.2～5.4各项试验。
5.2 耐高温试验
5.2.1 载体放入高温空气环境保温4 h,随后将载体取出自然冷却至室温；歧管式催化器用金属载体
保温温度为(1000±20)℃,底盘式催化器及柴油车排气后处理装置用金属载体保温温度为(800± 20)℃。
5.2.2 试验前后载体经干燥处理后称重，计算载体氧化增重质量。
5.2.3 干燥处理采用200 ℃下烘干2h,取出置于干燥器内冷却至室温。
5.3 热振动试验
5.3.1 将载体通过夹具成45°刚性固定于振动试验台上，并于发动机或燃烧器相连(图1),夹具一阶
共振频率应大于试验频率。
QC/T 1075-2017
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.20
T 13
Technical specification of honeycomb metal substrate
for exhaust catalytic converter
ISSUED ON: APRIL 12, 2017
IMPLEMENTED ON: OCTOBER 1, 2017
Issued by: Ministry of Industry and Information Technology of the
People’s Republic of China.
Attachment:
Number, name and date of implementation of 22 automotive industry
standards
No. Standard number Standard name Number of standard replaced
Date of
implementation
301 QC/T 727-2017 Instrument for automobile and motorcycle QC/T 727-2007 2017-10-01
302 QC/T 803-2017 Oxygen sensor for automobile QC/T 803.1-2008 2017-10-01
303 QC/T 1072-2017 Gear position sensor for automobiles 2017-10-01
304 QC/T 1073.1-2017 Accelerometers for automobiles - Part 1: Linear accelerometers 2017-10-01
305 QC/T 1074-2017
Technical specifications for
automotive parts remanufacturing
products
2017-10-01
306 QC/T 1075-2017
Technical conditions for metal
honeycomb carrier of exhaust catalytic
converter
2017-10-01
307 QC/T 777-2017
Technical conditions for
electromagnetic fan clutch of
automobile
QC/T 777-2007 2017-10-01
308 QC/T 1076-2017
Performance requirements and test
methods for continuously variable
transmission (CVT)
2017-10-01
309 QC/T 1077-2017
Terminology and definitions for
classification of automatic control
transmission for automobile
2017-10-01
310 QC/T 1078-2017 Advertising vehicle 2017-10-01
311 QC/T 1079-2017 Suction & delivery vehicle 2017-10-01
312 QC/T 1080-2017 Mobile loudspeaker for popularization of science 2017-10-01
313 QC/T 1081-2017 Electric power steering device for automobile 2017-10-01
314 QC/T 1082-2017 Motor for electric power steering device of automobile 2017-10-01
315 QC/T 1083-2017 Controller for electric power steering device of automobile 2017-10-01
316 QC/T 1084-2017 Sensor for electric power steering device of automobile 2017-10-01
317 QC/T 1085-2017 X-ray testing for light-alloy wheel of motorcycle 2017-10-01
318 QC/T 1086-2017 Technical conditions for range extenders for electric vehicles 2017-10-01
Table of Contents
Foreword ... 7
1 Scope ... 8
2 Normative references ... 8
3 Terms and definitions ... 8
4 Technical requirements ... 10
5 Test methods ... 12
6 Inspection rules ... 15
7 Marking, packaging, transportation and storage ... 16
Appendix A (Informative) Substrate specification parameters ... 17
Technical specification of honeycomb metal substrate
for exhaust catalytic converter
1 Scope
This Standard specifies the technical requirements, materials, test methods,
inspection rules, marking, packaging, transportation and storage of the
This Standard applies to the honeycomb metal substrate for exhaust catalytic
converter of Class M and Class N motor vehicles.
2 Normative references
The following documents are essential for the application of this Standard.
For dated references, only the dated editions apply to this Standard. For
undated references, the latest editions (including all amendments) apply to
this Standard.
GB/T 31942 FeCrAl foil for metallic honeycomb substrates
3 Terms and definitions
3.1 Honeycombed structure
A honeycomb-like spatial structure composed of a plurality of spatial channels
surrounded by thin walls having a certain outer shape, such as a cylindrical
shape.
3.2 Honeycomb metal substrate (hereinafter referred to as substrate)
A place where the metal material is fabricated into a honeycombed structure
and a housing, providing a purification reaction of the engine exhaust.
3.3 Density of cells
The end face of the honeycombed structure, excluding the outermost layer
area may be expressed in metric (or British) area units.
3.4 Net volume of substrate
The volume of the honeycombed structure contained in a single substrate,
and the substrate housing is not counted. If a single substrate contains
multiple relatively independent honeycombed structures, the void volume
between each honeycombed structure shall be excluded.
3.5 Total volume of substrate
The volume of space enclosed by the substrate size.
3.6 Substrate size
3.7 Substrate mass
The total mass of the housing of the substrate before coating the catalyst and
the honeycombed structure fixed to the interior thereof.
3.8 Catalytic converter
A device mounted in an exhaust system of an automobile to perform oxidation
and/or reduction reaction by a catalyst to reduce the emission of harmful
substances such as CO, HC, NOx, and PM in the exhaust gas.
3.9 Manifold catalytic converter for petrol vehicles (hereinafter
referred to as manifold catalytic converter)
compartment of a petrol vehicle and consists of an engine exhaust manifold
and a catalytic converter, and the junction of each branch of the engine
manifold to the inlet end of the catalytic converter is not more than 400mm.
3.10 Under-floor catalytic converter for petrol vehicles (hereinafter
referred to as under-floor catalytic converter)
A catalytic converter assembly that is mounted under the petrol vehicle
chassis and at a distance of more than 400mm from the engine exhaust
manifold.
3.11 Aftertreatment devices for diesel vehicle exhaust
the emission of pollutants in the exhaust gas through various physical and
chemical functions.
d) Other phenomena that affect normal use.
4.5 Vibration durability
4.5.1 The substrate shall be subjected to a thermal vibration test in
accordance with 5.3 of this Standard.
4.5.2 Before and after the thermal vibration test, the differential pressure of
the front and rear end faces under the substrate airspeed of (60,000±600)h-1
is measured at normal temperature, and the change of the differential
4.5.3 After the thermal vibration test, the substrate shall not exhibit obvious
deformation of the honeycomb, falling off or detachment of the honeycombed
structure and the housing, severe deformation of the outer contour, and other
damages. Other forms of damage may be specified in detail by the
company's technical requirements.
4.6 Temperature shock durability
4.6.1 The substrate shall be subjected to a temperature shock test in
accordance with 5.4 of this Standard.
4.6.2 Before and after the temperature shock test, the differential pressure
(60,000±600)h-1 is measured at normal temperature, and the change of the
differential pressure value shall not exceed 15%.
4.6.3 After the temperature shock test, the substrate shall not exhibit
obvious deformation of the honeycomb, falling off or detachment of the
honeycombed structure and the housing, severe deformation of the outer
contour, and other damages. Other forms of damage may be specified in
detail by the company's technical requirements.
5 Test methods
5.1 General
new state in which the catalyst is not coated.
5.1.2 MEASURE, RECORD and CONFIRM that the initial state of the test
sample meets the specifications of 4.2.
5.1.3 According to the different classification categories of the substrate
application environment, there are differences in different types of test
conditions.
end faces of the substrate at the airspeed of (60,000±600)h-1 is measured at
normal temperature, and check the integrity of the substrate.
6 Inspection rules
The inspection of the substrate is divided into exit-factory inspection and type
inspection.
6.2 Exit-factory inspection
6.2.1 Each product shall be inspected at the factory before leaving the
factory, and shall be inspected by the quality inspection department of the
factory, and a certificate of conformity shall be issued.
6.2.2 The inspection items and requirements shall comply with the
provisions of 4.1 to 4.3.
6.3 Type inspection
type inspection:
a) new product finalization;
b) continuously produced products, once every two years;
c) re-production when the production interval is more than one year;
d) when there are major changes in product design processes, materials,
etc.;
e) when there is a problem with the quality of the product; and
f) other time when it is deemed necessary.
6.3.1 Sampling method
selected from the products qualified for exit-factory inspection, and the
sampling base is not less than 100.
6.3.2 Inspection item.
The test items as required in 4.4 to 4.6.
6.3.3 Determination rule.
6.3.3.1 The type inspection results shall comply with the corresponding
provisions of 4 Technical requirements.
6.3.3.2 In the type inspection, if any inspection item is unqualified, it shall be
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