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Stainless Steel Bolt

Stainless Steel Bolt

不锈钢螺栓:机械部件,带螺母的圆柱形紧固件。一种紧固件,由头部和螺钉(带外螺纹的圆筒),需要与螺母匹配,以便将两个部分与通孔连接。

Product Details

不锈钢螺栓:机械部件,带螺母的圆柱形紧固件。一种紧固件,由头部和螺钉(带外螺纹的圆筒),需要与螺母匹配,以便将两个部分与通孔连接。This kind of connection is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.

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Stainless Steel Bolt Quick Details

Place of Origin:Jiangsu, China

Brand Name:Tianli

Standard:DIN

万博app官方下载3.0产品:不锈钢螺栓

材质:Q235,45#,AISI304(A2-70),AISI316(A4-80)等

Grade:304 316

Surface treatment:Plain, galvanized, blue white, YZP etc

尺寸:1/2“-4”,M5-M64或非标准作为要求和设计

证书:ISO9001:2008,SGS

包装:纸箱盒+牛皮纸

付款:T / T:30%存款

Sample:Free sample can be sent for test


不锈钢螺栓包装和交付

供应能力:每周1000000件/件

包装细节:不锈钢螺栓包装是纸箱和牛皮纸

港口:上海

Lead Time :15days according to the quantity

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常问问题

你的Moq是什么?

100pcs/size.

2.你如何控制质量?

By setting up quality control points and inspecting at each production process with strict standards, the defective products will be eliminated before packaging and delivery. For partner factories, we use a comprehensive system of quality standards to evaluate the

万博app官方下载3.0生产线。此外,我们的专业QC团队将在交货前实施现场支票和完成产品检查。万博app官方下载3.0

3. How can we get a sample?

For new customers, we will charge samples fee/express fee. But it will be refund after order.

4.How do I pay?

We accept 30% TT as deposit, the balance to be paid upon shipping documents.

5.How do I receive the goods?

With our professional transport agents, we are capable of delivery products to most ports all over the world.

还支持门到门服务。

FOB, CIF are most commonly used trade terms.

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Stainless Steel Bolt Relevant industry knowledge

Stainless Steel Bolt production process

Stainless Steel Bolts are one of the most basic components of engineering and architecture, but their production has become an advanced, high-tech process with multiple steps. Understand how raw steel can be transformed into highly accurate and precise metal tools.

不锈钢螺栓可以有各种尺寸和形状,但基本的生产过程通常保持不变。万博app官方下载3.0冷锻钢丝首先形成正确的形状,然后热处理以提高强度和表面处理,以提高耐用性,然后发货。然而,对于更先进的不锈钢螺栓设计,生产过程可以通过许多额外的步骤进行扩展。万博app官方下载3.0

Cold heading stars and large steel wire rod are uncoiled and cut into a certain length. According to the requirements of ISO 898-1, the grade of steel is standardized in the whole industry. Use special tools and then cold forge the wire to the correct shape. This is basically where the steel is molded, and at room temperature, by forcing it under high pressure through a series of molds. The tool itself can be very complex, consisting of up to 200 different parts, with a tolerance of one hundredth of a millimeter. Once perfected, cold forging can ensure the Stainless Steel Bolt to be produced quickly, in large quantities and with high uniformity.

对于更复杂的不锈钢螺栓设计,轮廓不能单独冷锻形成,并且可能需要一些额外的车削或钻孔。转弯涉及高速旋转不锈钢螺栓,同时切割钢,以获得所需的形状和设计。钻孔可用于在不锈钢螺栓中钻孔。如果需要,一些不锈钢螺栓也可以在该过程的这种阶段附接垫圈。

Heat treatment is the standard process for all Stainless Steel Bolts that involves exposing the Stainless Steel Bolt to extreme temperatures in order to harden the steel. Threads are usually applied before heat treatment, by rolling or cutting, when the steel is softer. Rolling works in a similar way to cold forging and requires the Stainless Steel Bolt to be formed through the die and the steel die to be threaded. Cutting involves forming threads by cutting and removing steel.

由于热处理改变了钢的性能,使其更加难以使,因此预先施加螺纹更容易更具成本效益。然而,热处理后的螺纹加工意味着更好的疲劳性能。“热处理可能会对热标记和不锈钢螺栓造成轻微损坏”,因此一些客户需要在热处理后螺纹加工,尤其是发动机和气缸盖不锈钢螺栓等应用。这是一个更昂贵的过程,因为您需要形成硬化钢,但线材将更好地保持其形状。

对于长度超过不锈钢直径的十倍以上的长不锈钢螺栓,热处理可以将钢恢复到原始钢丝的圆形形状。因此,通常需要施加矫直过程。不锈钢螺栓生产工艺。万博app官方下载3.0

表面处理的选择取决于不锈钢螺栓和客户要求的应用。通常,紧固件的主要问题是耐腐蚀性,因此通过电解处理施加的镀锌涂层是常用的溶液。这是将不锈钢螺栓浸入含锌液中并施加电流以使锌在不锈钢螺栓上形成涂层的过程。但是,电解确实增加了氢气脆化的风险。另一种选择是锌薄片,虽然以更高的价格提供更高的耐腐蚀性。

When corrosion resistance is not an issue - for example in engines or in applications that are often exposed to oil - the use of phosphates is a more cost-effective option. Once surface treatment is applied, standard Stainless Steel Bolts can usually be prepared. However, more advanced designs may require some additional assembly, such as brackets. Other Stainless Steel Bolts also require some form of repair, whether it is a locking patch or a liquid patch. The locking patch consists of a thick nylon layer on the thread to help improve grip. Liquid patches help improve thread forming torque.

一旦这些步骤完成,不锈钢螺栓就完成。现在留下的是某种形式的质量控制,以确保不锈钢螺栓之前的一致性和一致性,可以包装和发货。





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