标准编号:	GB/T 20564.13-2023
中文名称:	汽车用高强度冷连轧钢板及钢带 第13部分：中锰钢
英文名称:	Continuously cold rolled high strength steel sheet and strip for automobile―Part 13:Medium manganese steel
中标分类:	H46    钢板、钢带
行业分类:	GB    国家标准
ICS分类:	77.140.50 77.140.50    扁平钢和半成品 77.140.50
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2023-08-06
实施日期:	2024-3-1
标准状态:	valid
翻译语言:	英文
文件格式:	PDF
中文字符数:	11000 字
翻译价格(元):	770.0
交付时间:	付款后 1~3 个工作日

Foreword This document is developed in accordance with the rules given in GB/ T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents. This document is Part 13 of GB/T 20564 Basic information description of agricultural products for purchase and sale. The following parts of GB/T 20564 have been issued: ——Part 1: Bake hardening steel; ——Part 2: Dual phase steel; ——Part 3: High strength interstitial free steel; ——Part 4: High strength low alloy steel; ——Part 5: Isotropic steel; ——Part 6: Transformation induced plasticity steel; ——Part 7: Martensitic steels; ——Part 8: Complex phase steel; ——Part 9: Quenching and partitioning steel; ——Part 10: Twinning induced plasticity steel; ——Part 11: Carbon manganese steel; ——Part 12: Dual phase steel with high formability ——Part 13: Medium manganese steel ——Part 14: Low density steel. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by China Iron and Steel Association. This document was prepared by Technical Committee 183 on Steel of Standardization Administration of China (SAC/ TC183).   Introduction GB/T 20564 aims to standardize the designations and classification, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold rolled high strength steel sheet and strip for automobile. GB/T 20564 comprises of four parts: ——Part 1: Bake hardening steel. The purpose is to determine the technical requirements of continuously cold rolled bake hardening high strength steel sheet and strip for automobile with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing outer plates, inner plates and some structural parts of automobiles. ——Part 2: Dual phase steel. The purpose is to determine the technical requirements of continuously cold rolled dual phase high strength steel sheet and strip with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing automobile outer plates, inner plates and some structural parts of automobiles. ——Part 3: High strength interstitial free steel. The purpose is to determine the technical requirements of continuously cold rolled high strength interstitial free steel sheet and strip with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing outer plates, inner plates and some structural parts of automobiles. ——Part 4: High strength low alloy steel. The purpose is to determine the technical requirements of continuously cold rolled high strength low alloy steel sheet and strip with thickness of no less than 3.00 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 5: Isotropic steel. The purpose is to determine the technical requirements of continuously cold rolled high strength isotropic steel sheet and strip with thickness not more than 2.5 mm, which are mainly used to make outer coverings of automobiles. ——Part 6: Transformation induced plasticity steel. The purpose is to determine the technical requirements of continuously cold rolled high strength transformation induced plasticity steel sheet and strip with thickness of 0.50 mm to 2.5 mm, which are mainly used to make structural parts and reinforcements of automobiles. ——Part 7: Martensitic steels. The purpose is to determine the technical requirements of continuously cold rolled high strength martensitic steel sheet and strip with thickness of 0.50 mm to 2.1 mm, which are mainly used for manufacturing structural parts, reinforcements and anti-collision parts of automobiles ——Part 8: Complex phase steel. The purpose is to determine the technical requirements of continuously cold rolled high strength complex phase steel plates and strips with thickness of 0.60 mm to 2.50 mm, which are mainly used for manufacturing structural parts, reinforcements and some inner and outer plates of automobiles. ——Part 9: Quenching and partitioning steel. The purpose is to determine the technical requirements of continuously cold rolled high strength quenching and partitioning steel plates and strips with thickness of 0.8 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 10: Twinning induced plasticity steel. The purpose is to determine the technical requirements of continuously cold rolled high strength twinning induced plasticity steel plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing complexly shaped structural parts and reinforcements of automobiles. ——Part 11: Carbon manganese steel. The purpose is to determine the technical requirements of continuously cold rolled high strength carbon manganese steel plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing structural parts of automobiles. ——Part 12: Dual phase steel with high formability The purpose is to determine the technical requirements of continuously cold rolled high strength dual phase high formability steel with plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing complexly shaped structural parts and reinforcements of automobiles. ——Part 13: Medium manganese steel The purpose is to determine the technical requirements of continuously cold rolled high strength medium manganese steel plates and strips with thickness of 1.0 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 14: Low density steel. The purpose is to determine the technical requirements of continuously cold rolled high strength low density steel plates and strips with thickness of 0.6 mm to 3.0 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. Continuously cold rolled high strength steel sheet and strip for automobile - Part 13: Medium manganese steel 1 Scope This document specifies the designation, classification, ordering contents, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold rolled high strength medium manganese steel plates and strips for automobiles. This document is applicable to continuously cold rolled high strength medium manganese steel plates and strips with thickness of 0.50 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles (hereinafter referred to as "steel plates and strips"). 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 223.4 Alloyed steel - Determination of manganese content - Potentiometric or visual titration method GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.9 Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method GB/T 223.40 Iron steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.59 Iron steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method GB/T 223.76 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.84 Steel and iron - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace GB/T 223.86 Steel and iron - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 228.1-2021 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 247 General rule of package mark and certification for steel plates (sheets) and strips GB/T 708 Dimension, shape, weight and tolerance for cold-rolled steel strip and sheet GB/T 2523 Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 17505 Steel and steel products - General technical delivery requirements GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 medium manganese steel steel with manganese content of 3% to 10%,formed into multiphase structure containing metastable austenite via reverse transformation of austenite, and with its strength and plasticity improved by transformation induced plasticity or twinning induced plasticity, and with its strength-plastic product generally not less than 30GPa%

Foreword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Designations and classification 5 Ordering contents 6 Size, shape and weight 7 Technical requirements 8 Test methods 9 Inspection rules 10 Packaging, marking and quality certificate Annex A (Informative) Reference values for chemical composition (melting analysis) of steels Bibliography

前言 引言 1 范围 2 规范性引用文件 3 术语和定义 4 牌号表示方法和分类 5 订货内容 6 尺寸、外形、重量 7 技术要求 8 试验方法 9 检验规则 10 包装、标志及质量证明书 附录A (资料性) 钢的化学成分(熔炼分析)参考值 参考文献 前言 本文件按照GB/T1.1-2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规定起草。 本文件是GB/T 20564《汽车用高强度冷连轧钢板及钢带》的第13部分。GB/T 20564已经发布了以下部分: ——第1部分:烘烤硬化钢; ——第2部分:双相钢; ——第3部分:高强度无间隙原子钢; ——第4部分:低合金高强度钢; ——第5部分:各向同性钢; ——第6部分:相变诱导塑性钢; ——第7部分:马氏体钢; ——第8部分:复相钢; ——第9部分:淬火配分钢; ——第10部分:孪晶诱导塑性钢; ——第11部分:碳锰钢; ——第12部分:增强成形性双相钢; ——第13部分:中锰钢; ——第14部分:低密度钢。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国钢铁工业协会提出。 本文件由全国钢标准化技术委员会(SAC/TC183)归口。   引言 GB/T 20564旨在规范汽车用高强度冷连轧钢板及钢带的牌号表示方法和分类、订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书等。 GB/T20564由14个部分构成。 ——第1部分:烘烤硬化钢。目的在于确定厚度为0.50 mm~3.00 mm、主要用于制作汽车外板、内板和部分结构件的冷连轧烘烤硬化高强度钢板及钢带的技术要求。 ——第2部分:双相钢。目的在于确定厚度为0.50 mm~3.00 mm、主要用于制作汽车结构件、加强件以及部分内外板的冷连轧双相高强度钢板及钢带的技术要求。 ——第3 部分:高强度无间隙原子钢。目的在于确定厚度为0.50 mm~3.00 mm、主要用于制作汽车外板、内板和部分结构件的冷连轧高强度无间隙原子钢板及钢带的技术要求。 ——第4部分:低合金高强度钢。目的在于确定厚度不大于3.0 mm、主要用于制作汽车结构件和加强件的冷连轧低合金高强度钢板及钢带的技术要求。 ——第5部分:各向同性钢。目的在于确定厚度不大于2.5 mm、主要用于制作汽车外覆盖件的冷连轧各向同性高强度钢板及钢带的技术要求。 ——第6部分:相变诱导塑性钢。目的在于确定厚度为0.50 mm~2.5 mm、主要用于制作汽车结构件和加强件的冷连轧相变诱导塑性高强度钢板及钢带的技术要求。 ——第7部分:马氏体钢。目的在于确定厚度为0.50 mm~2.1 mm、主要用于制作汽车结构件、加强件和防撞件的冷连轧马氏体高强度钢板及钢带的技术要求。 ——第8部分:复相钢。目的在于确定厚度为0.60 mm~2.50 mm、主要用于制作汽车结构件、加强件以及部分内外板的冷连轧复相高强度钢板及钢带的技术要求。 ——第9部分:淬火配分钢。目的在于确定厚度为0.8 mm~2.5 mm.主要用于制作汽车结构件和加强件的冷连轧淬火配分高强度钢板及钢带的技术要求。 ——第10部分:孪晶诱导塑性钢。目的在于确定厚度为0.50 mm~3.00 mm.主要用于制作汽车复杂形状结构件、加强件的冷连轧孪晶诱导塑性高强度钢板及钢带的技术要求。 ——第11部分:碳锰钢。目的在于确定厚度为0.50 mm~3.00 mm、主要用于制作汽车结构件用的冷连轧碳锰高强度钢板及钢带的技术要求。 ——第12部分:增强成形性双相钢。目的在于确定厚度为0.50 mm~3.00 mm、主要用于制作成形复杂的汽车结构件、加强件用的冷连轧增强成形性双相高强度钢板及钢带的技术要求。 ——第13部分:中锰钢。目的在于确定厚度为1.0mm~2.5mm、主要用于制作汽车结构件、加强件的冷连轧中锰高强度钢板及钢带的技术要求。 ——第14部分:低密度钢。目的在于确定厚度为0.6 mm~3.0 mm、主要用于制作汽车结构件、加强件的冷连轧低密度高强度钢板及钢带的技术要求。 汽车用高强度冷连轧钢板及钢带 第13部分:中锰钢 1 范围 本文件规定了汽车用冷连轧中锰高强度钢板及钢带的牌号表示方法和分类、订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书。 本文件适用于厚度为1.0mm~2.5mm,主要用于制作汽车结构件、加强件的冷连轧中锰高强度钢板及钢带(以下简称“钢板及钢带”)。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。 GB/T 223.4 钢铁及合金 锰含量的测定 电位滴定或可视滴定法 GB/T 223.5 钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法 GB/T 223.9 钢铁及合金 铝含量的测定 铬天青 S分光光度法 GB/T 223.40 钢铁及合金 铌含量的测定 氯磺酚 S分光光度法 GB/T 223.59 钢铁及合金 磷含量的测定 铋磷钥蓝分光光度法和锑磷钼蓝分光光度法 GB/T 223.76 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钒量 GB/T 223.84 钢铁及合金 钛含量的测定 二安 替比林甲烷分光光度法 GB/T 223.85 钢铁及合金 硫含量的测定 感应炉燃烧后红外吸收法. GB/T 223.86 钢铁及合金 总碳含量的测定感 应炉燃烧后红外吸收法 GB/T 228.1-2021 金属材料 拉伸试验 第1部分:室温试验方法 GB/T 247 钢板和钢带包装、标志及质量证明书的一般规定 GB/T 708 冷轧钢板 和钢带的尺寸、外形.重量及允许偏差 GB/T 2523 冷轧金属薄板和薄带表面粗糙度、峰值数和波纹度测量方法 GB/T 2975 钢及钢产品 力学性能试验取样位置及试样制备 GB/T 8170 数值修约规则与极限数值的表示和判定 GB/T 17505 钢及钢产品 交货- -般技术要求 GB/T 20066 钢和铁 化学成分测定用试样的取样和制样方法 3 术语和定义 下列术语和定义适用于本文件。 3.1 中锰钢 medium manganese steel 锰含量为3%~10%、通过奥氏体逆转变形成含有亚稳奥氏体的复相组织、通过相变诱导塑性或孪生诱导塑性提高其强度和塑性,且其强塑积--般不小于30GPa%的钢。 ——————————————