产品种类

Product category

按材质分类：有 Q235 方管、Q345 方管、20# 方管、45# 方管、不锈钢方管等。Q235 方管具有良好的可塑性和焊接性，广泛应用于一般建筑结构和机械结构；Q345 方管强度较高，适用于对结构强度要求较高的场合；不锈钢方管耐腐蚀性能强，常用于对耐腐蚀性有要求的环境，如食品加工、化工等行业。

Classified by material: Q235 square tube, Q345 square tube, 20 # square tube, 45 # square tube, stainless steel square tube, etc. Q235 square tube has good plasticity and weldability, and is widely used in general building structures and mechanical structures; Q345 square tube has high strength and is suitable for applications that require high structural strength; Stainless steel square tube has strong corrosion resistance and is commonly used in environments that require corrosion resistance, such as food processing, chemical industry, and other industries.

按生产工艺分类：有热轧方管、冷拔方管、无缝方管等。热轧方管是经热轧成型工艺生产，具有较高的强度和较好的韧性，表面质量较好；冷拔方管是在冷态下通过拔制工艺生产，尺寸精度高，表面光洁度好；无缝方管是一种具有中空截面、周边没有接缝的长条钢材，承压能力强，适用于高压流体输送等场合。

Classified by production process: there are hot-rolled square tubes, cold drawn square tubes, seamless square tubes, etc. Hot rolled square tube is produced through hot rolling forming process, with high strength and good toughness, and good surface quality; Cold drawn square tubes are produced through drawing processes in a cold state, with high dimensional accuracy and good surface smoothness; Seamless square tube is a long strip of steel with a hollow cross-section and no seams around it. It has strong pressure bearing capacity and is suitable for high-pressure fluid transportation and other applications.

产品特点

Product Features

规格齐全：济南方管厂家能生产各种规格的方管，从较小口径到较大口径，从薄壁到厚壁，满足不同客户的需求。例如济南新纪元异型管业有限公司可生产 20×20 - 600×600mm 的方管，厚度为 1.5mm - 32.0mm。

Complete specifications: Jinan square tube manufacturers can produce various specifications of square tubes, from smaller to larger diameters, from thin-walled to thick walled, to meet the needs of different customers. For example, Jinan New Era Irregular Pipe Industry Co., Ltd. can produce square pipes of 20 × 20-600 × 600mm with a thickness of 1.5mm-32.0mm.

质量可靠：众多厂家注重产品质量，采用先进的生产设备和工艺，严格执行质量标准。如济南新纪元异型管业有限公司用人品打造产品，层层严格把控产品质量，严格执行 ISO9001、ISO9002 的质量标准。

Reliable quality: Many manufacturers focus on product quality, adopt advanced production equipment and processes, and strictly implement quality standards. Jinan New Era Special shaped Pipe Industry Co., Ltd. creates products with integrity, strictly controls product quality at all levels, and strictly implements the quality standards of ISO9001 and ISO9002.

性价比高：济南的方管厂家凭借当地的资源优势、规模效应和成熟的生产技术，有效控制成本，使产品具有较高的性价比，在市场上具有较强的竞争力。

High cost-effectiveness: Jinan's square tube manufacturers rely on local resource advantages, economies of scale, and mature production technology to effectively control costs, resulting in products with high cost-effectiveness and strong competitiveness in the market.

应用领域

application area 

建筑行业：用于建筑钢结构、大型场馆、会展中心、桥梁支架等，作为结构支撑部件，承担建筑物的重量和外力。

Construction industry: used for building steel structures, large venues, exhibition centers, bridge supports, etc., as structural support components, to bear the weight and external forces of buildings.

机械制造：可用于制造机械设备的框架、支架等，如升降机械、立体车库等，要求方管具有较高的强度和稳定性。

Mechanical manufacturing: can be used to manufacture frames, brackets, etc. for mechanical equipment, such as lifting machinery, three-dimensional garages, etc., requiring square tubes to have high strength and stability.

装饰装潢：在室内外装饰装修中，用于制作门窗框架、隔断、装饰线条等，不仅起到支撑作用，还具有美观的效果。

Decoration: In indoor and outdoor decoration, it is used to make door and window frames, partitions, decorative lines, etc. It not only plays a supporting role, but also has a beautiful effect.

汽车工业：汽车制造中，方管可用于车身结构件、底盘部件等，有助于减轻车身重量，提高车辆的性能和安全性。

Automotive industry: In automobile manufacturing, square tubes can be used for body structural components, chassis components, etc., which helps reduce body weight, improve vehicle performance and safety.

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