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不锈钢扁钢

飞鸿钢铁有限公司
已认证 定制生产厂家 · 6 年 · 中国 China
可定制 超低价
$1850 1-49 吨 基准价
$1770 50-99 吨 4.3% 优惠
$1730 ≥100 吨 6.5% 优惠
价格有效期:随行就市

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最小起订量: 1 吨

运费合计:面议

商品小计 US$ 1,850.00
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产品详情

不锈钢扁钢技术规格

属性参数描述
产品名称Stainless Steel Flat Bar用于结构和制造应用的矩形截面棒材
材料牌号304/304L, 316/316L, 310S, 321, 430多种奥氏体和铁素体牌号可选
标准合规ASTM A276, ASTM A479, EN 10058, JIS G4303符合不锈钢棒材的主要国际标准
碳含量 (C)≤0.08% (304), ≤0.03% (304L/316L)低碳变体,改善焊接性能
铬 (Cr)16.0-26.0%(视牌号而定)耐腐蚀性的主要元素
镍 (Ni)8.0-22.0%(视牌号而定)增强延展性和奥氏体稳定性
钼 (Mo)2.0-3.0%(仅 316/316L)提高抗点蚀和缝隙腐蚀性能
抗拉强度≥515 MPa (304/316), ≥450 MPa (430)依据 ASTM A276 的最低抗拉强度
屈服强度≥205 MPa (304/316), ≥205 MPa (430)0.2% 偏移量下的最低屈服强度
伸长率≥40%(奥氏体), ≥20%(铁素体)50mm 标距长度下的延展性
厚度范围3mm - 100mm适用于各种应用的可用厚度选项
宽度范围10mm - 300mm提供标准和定制宽度
长度2000mm - 6000mm 或定制标准长度,提供定制切割服务
表面处理Hot Rolled (HR), Cold Drawn (CD), Polished多种表面处理选项
公差厚度:±0.1mm,宽度:±1.0mm依据 EN 10058 的精密公差
应用建筑、机械、食品加工、船舶广泛用于结构和装饰性应用
认证EN 10204 3.1/3.2、ISO 9001、ASTM 合规提供工厂测试证书和质量认证
包装钢带捆扎,出口用木箱保护性包装以防止表面损伤
MOQ500 kg标准牌号的最低订购量

不锈钢扁钢 - 工业用耐用金属条

不锈钢扁钢是一种多功能金属产品,具有矩形横截面和均匀厚度,广泛应用于制造业、建筑业和工程领域。这种优质材料具有卓越的耐腐蚀性、优异的机械强度和出色的成形性,使其成为要求长期耐用性和结构完整性的应用的首选。制造商、承包商和工业制造商依赖这些金属条进行从建筑框架到精密机械部件的项目,在这些项目中,可靠性和性能是不可妥协的要求。

什么是不锈钢扁钢?

不锈钢扁钢是一种具有扁平矩形轮廓的实心金属产品,通过热轧或冷拔工艺制造,以达到精确的尺寸公差。这些扁钢具有3mm至100mm的均匀厚度和10mm至300mm的宽度,长度可根据项目规格定制。材料成分包括最低10.5%的铬含量,形成钝化氧化层,提供固有的腐蚀保护。304、316L和430等常见牌号提供不同水平的耐化学性、温度稳定性和机械性能,使工程师能够为特定环境条件和承载要求选择最佳规格。

不锈钢扁钢技术规格

优质不锈钢扁钢符合 ASTM A276/A276M-17 标准对尺寸精度和材料成分的要求。304 牌号的最低抗拉强度为 515 MPa,屈服强度为 205 MPa,同时根据 ASTM A240 第 6 节,在 50mm 标距长度下保持 40% 的延伸率。该材料在 20°C 时的密度为 7.93 g/cm³,热导率为 16.2 W/m·K。表面处理包括热轧黑皮(轧制表面)、酸洗钝化(2B 表面)或抛光等级(BA/镜面),具体取决于应用要求。标准 304 牌号的碳含量上限保持在 0.08%,确保最佳的焊接特性,无需担心碳化物析出。

不锈钢扁钢的主要优势

这些金属条具有出色的抗腐蚀性能,在海洋环境、化学加工设施和户外装置中保持结构完整性,而传统碳钢在这些环境中会迅速劣化。该材料在 TIG、MIG 和电阻焊工艺中表现出优异的焊接特性,在大多数应用中无需预热或焊后热处理即可实现无缝制造。卓越的成形性允许冷弯、剪切和冲孔操作而不产生裂纹或表面损伤,从而降低制造成本和生产时间。304 和 316L 等奥氏体牌号的非磁性特性使这些扁钢成为电子外壳和医疗设备的理想选择,因为这些场合必须消除磁干扰。

常见应用和行业用途

建筑应用包括扶手、栏杆和装饰线条,兼顾美观与耐候性。制造业使用这些棒材制造输送机框架、机器防护罩和设备支架,要求表面卫生且耐化学腐蚀。食品加工设施指定这些材料用于工作台、货架系统和设备支撑,符合 FDA 和 USDA 卫生标准。船舶应用涵盖船用配件、甲板五金件和暴露于盐水环境的结构部件。汽车行业使用精密研磨扁钢制造悬挂部件、排气系统和装饰件,要求耐腐蚀性和尺寸稳定性。

材料等级与选择指南

304 级是通用应用的行业标准,在轻度腐蚀环境中提供经济高效的性能,间歇使用温度可达 870°C。对于增强的耐化学性和在富氯环境中的卓越性能,316L 级含有 2-3% 的钼含量,根据 ASTM A240 提供卓越的抗点蚀和缝隙腐蚀能力。需要抗氧化性高达 1150°C 的高温应用受益于 310S 级,含有 24-26% 铬和 19-22% 镍,用于炉组件和热处理夹具。铁素体 430 级为腐蚀暴露有限的装饰应用提供磁性和成本优势,保持 16-18% 的铬含量,不添加镍。

不锈钢扁钢供应商

常见问题

最小起订量(MOQ)是多少?

我们的标准最低起订量为每个规格500公斤,不过我们也接受更小批量用于原型开发和样品评估。超过5公吨的批量订单可享受钢厂直供价格并优化交货周期。定制尺寸和特殊牌号可能因生产批量经济性和我们认证钢厂合作伙伴的材料供应情况而需要更高的起订量。

你们提供材质检测证书吗?

每批货物均附有符合EN 10204 3.1标准的综合工厂检测证书(MTC),记录化学成分分析、力学性能测试结果以及炉号可追溯性。证书通过独立实验室检测验证是否符合指定的ASTM、EN或JIS标准。对于需要额外验证流程的关键应用,可安排SGS、Bureau Veritas或TUV的第三方检验服务。

不锈钢扁钢批发

典型交货时间是多久?

常备尺寸的标准牌号材料从我们保持现货库存的区域配送中心发货,通常需要7-10个工作日。需要钢厂生产的定制尺寸通常根据规格复杂程度和当前生产排期在4-6周内交付。紧急项目需求可选择加急处理,通过优质物流协调确保按时送达您的工厂或施工现场。

不锈钢扁钢制造商

你们能按定制尺寸切割吗?

我们的精密切割服务采用先进剪切设备和激光切割技术,可满足±1mm的长度公差,适用于复杂型材。我们还提供宽度修改、边缘倒角和钻孔服务,以减少您的二次加工需求。与标准6米库存长度相比,定制长度切割仅产生极低的额外成本,定尺切割件会妥善包装,防止运输过程中的搬运损伤。

获取不锈钢扁钢的竞争性报价

我们的技术销售团队提供从材料选择到交付物流的全面支持,确保您获得满足应用需求的最佳规格。我们与通过ISO 9001:2015认证的钢厂保持战略合作,保证稳定的质量,并为标准订单和定制订单提供具有竞争力的工厂直销价格。请索取详细报价,包括材料认证、尺寸公差和根据您的项目规格定制的表面处理选项。我们的客户服务专业人员将在一个工作日内回复咨询,提供技术建议和准确报价。

  • 通过电话、电子邮件和在线聊天提供24/7客户支持
  • 提供免费样品用于质量评估和材料测试
  • 批量订单享受竞争性价格和批量折扣计划
  • 为材料选择和应用工程提供专业技术咨询

立即联系我们,24小时内获取免费报价!

评分与评价

4.5
基于 10 条评价
5 6
4 3
3 1
2 0
1 0
用户
John Smith
United States
2025-07-02
Superior 310S Flat Bars for Furnace Components
We ordered 6 tons of 310S stainless steel flat bar (20mm x 150mm, hot-rolled finish) for our high-temperature furnace fixture manufacturing project. Material certificates showed chromium content at 25.1% and nickel at 20.3%, fully compliant with ASTM A276 specifications for oxidation resistance up to 1150°C. We conducted elevated temperature tensile testing at 900°C and results exceeded our requirements with yield strength maintaining 140 MPa. Surface condition was excellent with uniform oxide scale typical of hot-rolled production. What impressed us most was the dimensional accuracy with thickness tolerance of ±0.4mm across the entire order. The bars maintained straightness within 2mm per meter length, exceptional for this size range. This is our 3rd specialized order for heat treatment applications. Highly recommended for furnace and kiln construction projects requiring extreme temperature stability.
用户
Robert Brown
United Kingdom
2025-07-12
Acceptable Quality with Minor Surface Issues Resolved
Decent product quality overall, with one issue that was professionally resolved. We noticed some minor mill scale residue on 3 bars out of our 25-bar order of 304 grade (10mm x 70mm, hot-rolled finish) for structural framework. The scale was more pronounced than typical hot-rolled finish standards and required additional pickling treatment before welding. To their credit, the supplier responded within 18 hours and offered a 6% discount on our next order plus complimentary upgraded finish specification. They also confirmed enhanced quality control inspection for future shipments. Material mechanical properties met ASTM A276 requirements with tensile strength at 545 MPa. Overall acceptable for industrial fabrication. For critical surface finish applications, suggest requesting pickled and passivated finish upgrade.
用户
Carlos Silva
2025-07-31
Decent 430 Flat Bars for Automotive Components
Reliable quality for automotive manufacturing applications. We compared specifications from 5 suppliers across South America and Asia for ferritic stainless steel. Their technical documentation was comprehensive with complete chemical composition analysis and mechanical property data compliant with ASTM A240 standards. We ordered 4 tons of 430 grade flat bar (6mm x 45mm, cold-rolled finish) for exhaust system brackets and trim components. Delivery to São Paulo took 21 days, slightly longer than the 18-day estimate due to port congestion, but supplier kept us informed throughout. Material exhibited good formability and welding characteristics in our production trials. 4 stars because delivery timing could be more accurate. Overall good value for volume manufacturing requirements.
用户
Ahmed Al-Hassan
UAE
2025-08-22
Perfect 316L Flat Bars for High-Temperature Application
Long-term supplier for our Middle East construction projects. This is our 5th order over the past year, totaling approximately 65 tons of various stainless steel grades. Recent shipment of 9 tons 316L flat bar (15mm x 120mm, hot-rolled) for our petrochemical facility expansion in Abu Dhabi arrived exactly on schedule. Material performed excellently in desert climate conditions with no corrosion issues despite high humidity and salt exposure. Their logistics team coordinated seamlessly with our customs clearance requirements and provided all necessary SASO certification documents. Consistent quality and professional service make them our preferred supplier for critical infrastructure projects. Looking forward to continued cooperation.
用户
Wei Chen
Singapore
2025-09-13
Solid Quality 304 Flat Bars for Architectural Projects
Good quality material for commercial construction applications. We compared pricing from 4 regional suppliers for architectural-grade flat bars. Their quotation was competitive at 7% below market average while providing complete mill test reports and dimensional inspection certificates. We ordered 7 tons of 304 grade flat bar (12mm x 100mm, pickled finish) for handrail and balustrade fabrication in our Marina Bay project. Minor issue was one bundle had slight surface staining that required additional cleaning, but supplier provided technical guidance on passivation treatment. Overall reliable supplier for construction industry needs. 4 stars due to minor surface finish inconsistency. Material performance in fabrication was excellent with good welding characteristics.
用户
Chris Martin
Canada
2025-10-04
Premium 304 Flat Bars for Food Processing Equipment
We ordered 10 tons of 304 stainless steel flat bar (4mm x 75mm, BA polished finish) for our food processing equipment fabrication project in Toronto. Quality Assessment: EN 10204 3.1 certificates showed chromium content at 18.2%, well within the 18.0-20.0% specification per ASTM A276. We conducted PMI testing on-site and confirmed nickel content at 8.1%, meeting sanitary requirements. Surface finish was excellent BA mirror polish with Ra value below 0.4μm, ideal for FDA compliance. The material exhibited superior formability during our cold bending operations with no surface cracking or edge deformation. This is our 2nd order for sanitary applications. Highly recommended for food industry and pharmaceutical equipment manufacturing.
用户
William Taylor
Australia
2025-10-26
Reliable 316L Flat Bars for Boat Fittings
Long-term partner for marine-grade stainless steel supply. This is our 7th order over the past 18 months, totaling approximately 45 tons of 316L flat bars in various dimensions. Every shipment has met Australian AS 2837 specifications without exception. Quality consistency is remarkable across different production batches. Their dedicated account manager understands our marine fabrication requirements perfectly and ensures smooth order processing with proper export documentation. Recent order of 6 tons (5mm x 40mm, 2B finish) arrived in perfect condition for our yacht deck hardware project. Looking forward to continued partnership for our Sydney harbor expansion projects.
用户
Hans Mueller
Germany
2025-11-17
Good Value 430 Flat Bars for Equipment Brackets
Good value for the price. We compared quotes from 6 suppliers across Europe and Asia for ferritic grade flat bars. Their pricing was approximately 12% below average while maintaining acceptable quality with EN 10088-3 certification and complete material traceability. We ordered 5 tons of 430 grade flat bar (8mm x 60mm, pickled finish) for machine guard fabrication. The only minor issue was the initial sample shipment took 9 days to arrive, slightly longer than the 6 days quoted. Overall, excellent cost-performance ratio for our industrial equipment manufacturing needs. 4 stars because sample lead time could be improved. Already placed our second production order for 15 tons.
用户
James Wilson
United Kingdom
2025-12-08
Outstanding Service for 316L Flat Bar Delivery
Excellent service experience from inquiry to delivery. Communication: Their technical team responded to our marine-grade specification inquiry within 3 hours with detailed material data sheets and compliance documentation for EN 10088-2 standards. Delivery: We received our 12-ton order of 316L flat bars (10mm x 80mm) in just 14 days, 4 days ahead of the quoted schedule. Real-time shipping updates were provided throughout the logistics process. Packaging: Each bundle was securely strapped with steel bands and wrapped in waterproof PE film. Individual bars were separated by wooden spacers to prevent surface contact damage. Zero defects upon arrival at our Portsmouth facility. Outstanding supplier with professional project management. Will definitely continue our partnership for upcoming offshore installations.
用户
Michael Johnson
United States
2026-01-02
Excellent Quality 304 Flat Bars for Conveyor Systems
We ordered 8 tons of 304 stainless steel flat bar (6mm x 50mm, hot-rolled finish) for our automated conveyor frame project. Material certificates showed carbon content at 0.065%, fully compliant with ASTM A276. We conducted hardness testing and results were consistent at 180-190 HB. Surface finish was uniform with no visible scale defects or dimensional variations. What impressed us most was the tight width tolerance of ±0.3mm, significantly better than standard ±0.5mm. The bars were perfectly straight with no warping, which reduced our fabrication time by approximately 20%. This is our 4th order this year. Quality has been consistently excellent. Highly recommended for precision machinery applications.

了解供应商

飞鸿钢铁有限公司

入驻 Sinoali.com 6 年

所在地:China

Product Display

After more than a decade of continuous investment and innovation, Feihong Steel Co., Ltd. has now developed into a leading enterprise in the industry with a complete industrial chain, a wide range of product specifications, prompt supply, excellent product quality, strong industry influence and good social reputation. Currently, our products are mainly sold to the eastern region of China and over 40 countries and regions, such as Southeast Asia, South Asia, West Asia, Eastern Europe, South America, etc. Our stainless steel series products have consistently ranked among the top in China for many years.

Customer feedback

Customer feedback

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可定制 超低价
$1850 1-49 吨 基准价
$1770 50-99 吨 4.3% 优惠
$1730 ≥100 吨 6.5% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 1,850.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

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