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ZCMETAL东方彩票金属智造——钢板基础知识大全!

返回列表 来源: 发布日期: 2018.12.09


广东东方彩票智造科技有限公司和大家一起学习钢板的基础知识

Guangdong Zhongchuang Intellectually manufacturing Technology Co.,Ltd. Learn basic knowledge of steel plate with everyone.


按照钢板的生产工艺主要可分为热轧钢板和冷轧钢板两大类。

According to the production technology of steel plate,it can be divided into two main categories: hot rolled steel plate and cold rolled steel plate.


一、钢板的种类

一、 Types of steel plates


冷轧钢生产工艺(宝钢):矿石-高炉炼铁-转炉炼钢-连铸(板坯)-热连轧-酸洗-冷连轧-连续退火(一热镀锌)-卷取/其他(电镀锌/纵剪成带/横剪成板/)。

Cold-rolled steel production process (Baosteel):ore-blast furnace ironmaking-converter steelmaking-continuous casting (slab) - hot tandem rolling-pickling-cold tandem rolling-continuous annealing (hot-dip galvanizing) - coiling/other (galvanizing/longitudinal shearing strip/transverse shearing plate/).


热轧钢板生产工艺(宝钢):矿石-高炉炼铁-转炉炼钢-连锛(板坯)-除鳞-精轧-冷却-热轧卷(一冷轧)-矫直/纵剪/横剪。

Hot rolled steel plate production process (Baosteel):ore-blast furnace ironmaking-converter steelmaking-continuous technetium (slab) - descaling-finishing rolling-cooling-hot rolled coil (cold rolling) - straightening / longitudinal shear / transverse shear.


二、表征钢板的主要力学性能指标

二、Characterization of main mechanical properties of steel plates


强度: 金属材料在外力作用下抵抗变形和断裂的能力。屈服强度、抗拉强度是极为重要的强度指标,是金属材料选用的重要依据。强度的大小用应力来表示,即用单位面积所能承受的载荷(外力)来表示,常用单位为MPa。

Strength:the ability of metal materials to resist deformation and fracture under external forces.Yield strength and tensile strength are very important strength indicators,and are important basis for selection of metal materials.Strength is expressed by stress,that is, by the load (external force) per unit area,usually in MPa.


屈服强度: 金属试样在拉力试验过程中,载荷不再增加,而试样仍继续发生变形的形象,称为“屈服“。产生屈服现象时的应力,即开始产生塑性变形时的应力,称为屈服点,用符号σ s 表示,单位为MPa.一般的,材料达到屈服强度,就开始伴随着永久的塑性变形,因此其是非常重要的指标

Yield Strength:In the process of tensile test,the load of the metal sample is no longer increased,and the specimen still continues to deform the image,known as "yield".The stress at which yield occurs, i.e.the stress at which plastic deformation begins,is called the yield point,denoted by the symbol_s in MPa.Generally,when a material reaches yield strength,it begins to undergo permanent plastic deformation,so it is a very important indicator.

抗拉强度: 金属试样在拉力试验时,拉断前所能承受的最大应力,用符号σ b 表示,单位为MPa。

Tensile strength:The maximum stress that a metal specimen can bear before pulling apart during a tensile test is denoted by the symbol_b in MPa.


伸长率: 金属在拉力试验时,试样拉断后,其标距部分所增加的长度与原始标距长度的百分比,称为伸长率。用符号σ表示。伸长率反映了材料塑性的大小,伸长率越大,材料的塑性越大。

Elongation:In the tensile test,the percentage of the increase in the standard distance between the length of the specimen and the original standard distance is called elongation.It is represented by symbol sigma.Elongation reflects the material plasticity.The greater the elongation,the greater the plasticity of the material.


应变强化指数n: 钢材在拉伸中实际应力-应变曲线的斜率。其物理意义是,n值高,表标材料在成形加工过程中变形容易传播到低变形区,而使应变分布较为均匀,减少局部变形集中现象,因此n值对拉延胀形非常重要。

Strain hardening index n:the slope of the actual stress-strain curve of steel during tension.The physical meaning is that the n value is high,and the deformation of the surface marker material is easy to spread to the low deformation area during the forming process,which makes the strain distribution more uniform and reduces the local deformation concentration phenomenon.

塑性应变比r值: r值表示钢板拉伸时,宽度方向与厚度方向应变比之比值。r值越大,表示钢板越不易在厚度方向变形(越不容易开裂),深冲性越好。

The ratio of plastic strain to R value:R value indicates the ratio of width to thickness strain ratio when steel plate is stretched.The greater the R value,the more difficult for the steel plate to be deformed in the thickness direction (the more difficult to crack), the better the deep drawing.


三、钢板表面质量

三、Surface quality of steel plate

1


四、强化因素

四、Intensifying factors


一般来说,材料的性能由组织(结构)决定,组织由成分(工艺)决定,他们之间构成一个四面体。钢板也是这样,钢板的强化主要是靠成分和组织,下面拿加磷钢和烘烤硬化钢举例说明。

Generally speaking,the properties of a material are determined by its structure,by its composition,and by its process,by the formation of a tetrahedron between them.The same is true of steel plates,which are strengthened mainly by composition and microstructure.Here are some examples of phosphorus steel and bake hardened steel.


加磷钢: 一般来说,强化钢板的元素主要有C、Mn、Ti、Nb、A1等,有害的元素主要是P和S。实际上P的强化作用非常明显,仅次于C,但是数量要达到0.04%以上才能使强化作用超过有害的部分,体现出强化作用。加磷钢正是基于这种原理制造的。主要有B17OP1、B21OP1、B25OP1、B18OP2、 (BP340)、 B22OP2(BP380)。

Phosphorus steel:Generally speaking,the main elements of the strengthened steel plate are C,Mn,Ti,Nb,A1 and so on.The harmful elements are mainly P and S.In fact,the strengthening effect of P is very obvious, second only to C,but the quantity of P should reach more than 0.04% to make the strengthening effect exceed the harmful part,reflecting the strengthening effect.Phosphorus based steel is based on this principle.There are mainly B17OP1,B21OP1,B25OP1, B18OP2 (BP340) and B22OP2 (BP380).


烘烤硬化钢: 烘烤硬化钢是指在低碳或者超低碳钢中保留一定量的固溶碳原子,必要时加入碳等固溶化元素来提高了强度,钢板成形后经过涂漆烘烤处理后强度进一步提高,同时这种钢板具有很好的成形性能。主要有:B140H1、 B180H1、B180H2。

Bake-hardening steel:Bake-hardening steel refers to low-carbon or ultra-low-carbon steel to retain a certain amount of solid solution carbon atoms,when necessary to add carbon and other solid solution elements to improve the strength,steel sheet after forming after painting and baking strength further improved,at the same time this steel sheet has a good formability.Mainly include:B140H1,B180H1, B180H2.


ZCMETAL专业服务国际、国内星级酒店整体金属设计产品的咨询、方案优化、制作深化、加工和安装。

Professional services international and domestic star-rated hotel overall metal design product consultation,program optimization, production deepening,processing and installation.

ZCMETAL专业服务景观、艺术、陈设类的金属雕塑的咨询、方案优化、制作深化、加工和安装。

Professional service landscape,art,display metal sculpture consultation,program optimization,production deepening,processing and installation.

ZCMETAL 专业服务金属高端产品的整体解决方案和系统落地执行者。

The overall solution and system implementer of professional service metal high-end products.

广东东方彩票智造科技有限公司是一家设计开发、制造、销售、现场安装服务于一体的金属整体解决方案公司。本公司工厂占地面积约5000平方米,拥有电脑辅助软件,先进的机械设备、把产品、工艺性能设计、切割、焊接、成型等服务制造出高档金属制品。通过分解和制造过程中与专业团队的合作,我们为客户提供了更好的产品体验、完整的服务体系和最佳的解决方案。我们与世界顶尖的设计公司HBA、CCD & UAP 以及世界著名的酒店,(威斯汀、喜来登、希尔顿 & 四季)的长期合作。
Guangdong Zhongchuang Intellectually manufacturing Technology Co.,Ltd. is a metal solution company which integrates design, development, manufacturing, sales, on-site installation and service. The company's factory covers an area of about 5000 square meters, with computer-aided software, advanced mechanical equipment, product, process performance design, cutting, welding, forming and other services to produce high-grade metal products. Through the cooperation with professional teams in the process of decomposition and manufacturing, we provide customers with better product experience, complete service system and the best solution. We work with the world's top design companies HBA, CCD & UAP and world-famous hotels (Westin, Sheraton, Hilton & Four Seasons)Long term cooperation.

广东东方彩票智造科技有限公司

地址:广东省佛山市禅城区澜石石头村西便街一巷五号

体验馆展厅地址:广东省佛山市禅城区绿景一路盛南新都B区21号

电话:0757-83137017 82718158 28837249

联系人:丁丁、燕燕、绮琪(外贸)、吴华生(外贸)

联系电话:13928579274、1341183324、13929904854、13928578824

网址:www.zcmetal.net

Guangdong Zhongchuang Intellectually manufacturing Technology Co.,Ltd.

Address:No.5,1st Lane,Xibian Street,Lanshi Stone Village,Chancheng District,Foshan City,Guangdong Province

Exhibition Hall Address:No.21,Shengnan Xindu B District,Lujing Road, Chancheng District,Foshan City,Guangdong Province

Tel:0757-83137017 82718158 28837249

Contacts:Ding Ding,Yan Yan,Kikee(Foreign Trade),Wu Huasheng (Foreign Trade)

Contact numbers:13928579274,1341183324,13929904854,13928578824

Website:www.zcmetal.net












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