面向进口商、经销商与项目买家的中国钢材采购服务

2205不锈钢卷材 – 双相2205不锈钢冷轧卷材,耐腐蚀

快马钢铁有限公司
已认证 定制生产厂家 · 7 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

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

产品详情

2205不锈钢卷的技术规格

属性参数描述
产品名称2205 不锈钢卷高强度、耐腐蚀的双相不锈钢
材料牌号UNS S32205 / EN 1.4462 / ASTM A240 Type 2205国际牌号对应
标准符合性ASTM A240, EN 10088-2, ASME SA240符合主要国际标准
碳 (C)≤0.03%低碳,改善焊接性能
铬 (Cr)22.0-23.0%提供优异的耐腐蚀性
镍 (Ni)4.5-6.5%增强延展性和韧性
钼 (Mo)3.0-3.5%提高抗点蚀和缝隙腐蚀性能
氮 (N)0.14-0.20%提高强度和耐腐蚀性
锰 (Mn)≤2.0%改善热加工性能
抗拉强度≥620 MPa按 ASTM A240 的最小抗拉强度
屈服强度≥450 MPa最小屈服强度(0.2% 偏移)
延伸率≥25%50mm 标距内的延展性
硬度≤290 HBW最大布氏硬度
厚度范围0.3 - 6.0 mm可选卷材厚度
宽度范围1000 - 2000 mm标准及定制宽度
表面处理2B, BA, No.4, HL多种表面处理选项
PRE 值≥35抗点蚀当量,具有优异的耐腐蚀性
应用石油和天然气、化学加工、海洋环境典型应用行业
认证EN 10204 3.1, ISO 9001, NACE MR0175提供质量认证
MOQ1 ton最小起订量

2205不锈钢卷 – 双相2205不锈钢冷轧卷 耐腐蚀

2205 不锈钢卷材是一种优质双相不锈钢解决方案,专为要求卓越耐腐蚀性和优异机械强度的严苛工业环境而设计。这种奥氏体-铁素体材料结合了大致相等比例的奥氏体和铁素体相,其屈服强度是传统奥氏体牌号的两倍,同时保持出色的抗应力腐蚀开裂、点蚀和缝隙腐蚀能力。2205 双相卷材广泛应用于石油和天然气、化学加工、海洋工程和海水淡化行业,是寻求在富氯和酸性环境中实现最佳性能的制造商的首选材料。

什么是 2205 不锈钢卷材?

2205 不锈钢卷材是一种通过冷轧工艺制造的氮增强双相不锈钢产品,可实现精确的厚度公差和优异的表面光洁度。根据国际标准,该材料被指定为 UNS S32205 或 1.4462,其微观结构均衡,含有约 22% 铬、5% 镍、3% 钼和 0.14-0.20% 氮。双相组成使其屈服强度超过 450 MPa——显著高于 304 或 316L 奥氏体牌号——而较高的铬和钼含量确保其点蚀当量数(PREN)高于 35,使其对海水和酸性氯化物溶液中的局部腐蚀具有高度抵抗力。

2205 不锈钢卷材技术规格

按照 ASTM A240/A240M 标准规范第 12 节制造,2205 双相不锈钢卷材的化学成分限值符合表 1 要求:铬 21.0-23.0%、镍 4.5-6.5%、钼 2.5-3.5%、氮 0.14-0.20%。根据 ASTM A240 第 6 节力学性能要求,该材料在 0.2% 偏移下的最小抗拉强度为 620 MPa,屈服强度为 450 MPa。冷轧卷材厚度范围为 0.3mm 至 6.0mm,标准宽度为 1000mm、1219mm 和 1500mm,供货表面状态为 2B、BA 或 No.4。根据 EN 10088-2:2014 物理性能数据,20°C 时密度为 7.80 g/cm³,0-100°C 之间热膨胀系数为 13.7 × 10⁻⁶/K。

Duplex 2205 卷材的主要优势

2205 不锈钢卷材独特的双相显微组织带来多项性能优势,使其区别于传统奥氏体替代材料。在氯化物环境中优异的抗应力腐蚀开裂性能,使其能够在 304 和 316L 牌号无法胜任的海上平台、海底设备和沿海基础设施中可靠服役。该材料卓越的强度重量比允许在压力容器应用中减小材料厚度,通过降低材料消耗和减轻结构载荷实现成本节约。在高达 250°C 的温度下增强的抗点蚀和缝隙腐蚀性能,支持在处理酸性工艺流的热交换器、蒸发器和化学反应器中延长使用寿命。

耐腐蚀性能

2205 双相不锈钢在多种工况条件下均表现出卓越的耐均匀腐蚀、点蚀、缝隙腐蚀和应力腐蚀开裂性能。根据 ASTM G48 Method A 测试,该材料在 10% 氯化铁溶液中的临界点蚀温度超过 50°C,显著优于 316L 不锈钢(后者通常低于 20°C 即发生点蚀)。在含 H₂S 的酸性气体环境中具有抗硫化物应力开裂能力,使 2205 符合 NACE MR0175/ISO 15156 合规要求,适用于油气生产设备。

机械强度特性

平衡的奥氏体-铁素体结构提供的屈服强度约为奥氏体 316L 材料的两倍,使承压应用可采用更薄的壁厚。最小屈服强度 450 MPa 结合超过 620 MPa 的抗拉强度,为储罐、管道系统和承载部件提供结构效率。在低至 -50°C 的零下温度下具有优异的冲击韧性,在众多铁素体不锈钢变脆的低温工况中保持延展性。

制造标准与认证

2205 不锈钢卷材按照多项国际规范生产,确保材料质量和可追溯性。ASTM A240/A240M-20a 规定了用于压力容器和一般应用的铬及铬镍不锈钢板、薄板和带材的化学成分限值、力学性能和制造公差。EN 10088-2:2014 规定了通用耐腐蚀钢板/薄板和带材的技术交货条件。按 EN 10204 Type 3.1 出具的材料测试证书记录每个生产批次的化学分析、力学测试结果、热处理参数和尺寸验证。

2205 不锈钢卷供应商

质量控制检测程序

全面的质量保证方案通过光谱化学分析、依据 ASTM A370 的拉伸试验、硬度测量以及使用按 ASTM E562 标准校准的磁性测量装置测定铁素体含量,来验证材料合规性。晶间腐蚀抗力通过 ASTM A262 Practice E 测试进行验证,而点蚀抗力则依据 ASTM G48 Method A 通过临界点蚀温度测量进行评估。依据 ASTM A435 的超声波检测可发现内部不连续性,确保关键压力容器应用中的材料完整性。

2205 双相卷的常见应用

2205 不锈钢卷在需要优异耐腐蚀性与高机械强度相结合的行业中有着广泛应用。在化学加工设施中,该材料用于储罐、反应器以及处理有机酸、磷酸和含氯化物工艺流的高温管道系统。海洋和近海应用包括热交换器管、海水冷却系统、压载舱以及暴露于含盐环境中的结构部件。纸浆和造纸行业将 2205 卷用于蒸煮器、漂白设备和蒸发器,这些设备必须耐受硫酸和氯化合物。

石油和天然气行业应用

在石油生产和精炼作业中,2205双相不锈钢在分离器、洗涤器和输送含硫化氢的酸性原油和天然气的管道系统中发挥着关键作用。该材料符合NACE MR0175/ISO 15156抗硫化物应力开裂要求,使其能够部署于海底井口、流线和上部处理设备中。增强的抗氯化物诱导应力腐蚀开裂性能支持在海上平台上可靠运行,因为海水接触和高氯化物浓度会形成严苛的作业条件。

2205不锈钢卷材批发

海水淡化与水处理

海水淡化厂在多级闪蒸(MSF)和反渗透(RO)系统中广泛使用2205不锈钢卷材,在这些系统中,高氯化物、高温环境下的抗点蚀和缝隙腐蚀性能至关重要。与传统的奥氏体替代材料相比,该材料在盐水浓缩器容器、热回收段和管道歧管中的优异性能降低了维护需求并延长了设备使用寿命。市政水处理设施在臭氧接触池、氯化系统和处理腐蚀性消毒化学品的过滤设备中采用2205。

制造与加工注意事项

2205 不锈钢卷的冷成型需要比奥氏体牌号更大的成型力,因为其屈服强度更高,通常需要比用于 304 或 316L 材料的压力机容量高 30-40%。对于 90 度弯曲,最小弯曲半径不应小于材料厚度的 3 倍,以避免在弯曲线处开裂。焊接工艺必须将热输入保持在 0.5-2.5 kJ/mm 之间,以保持平衡的奥氏体-铁素体微观结构和耐腐蚀性能。使用 ER2209 填充金属的钨极气体保护焊(GTAW)和熔化极气体保护焊(GMAW)工艺可按照 AWS A5.9 规范实现最佳的焊缝金属成分。

表面处理选项

2205 双相不锈钢卷可提供多种表面处理,以满足特定应用需求。2B 表面处理通过冷轧后退火和酸洗生产,提供光滑、中等反射的表面,适用于大多数工业应用。光亮退火(BA)表面处理为制药和食品加工设备提供更高的光滑度和反射率,在这些设备中可清洁性至关重要。No.4 拉丝表面处理通过使用 120-150 目磨料的机械抛光实现,提供定向纹理图案,适用于需要非反射外观的建筑和装饰应用。

常见问题

2205 不锈钢卷的最小起订量是多少?

我们的标准最小起订量为每规格 5 公吨,但对于样品评估或原型开发项目,我们可以接受更小的数量。对于需要超出标准轧机宽度 1000mm、1219mm 或 1500mm 的特定宽度尺寸的订单,可提供定制纵剪服务。

你们是否随每批货物提供材质证明书?

是的,每批货物均随附符合 EN 10204 Type 3.1 要求的全面材料测试证书,记录化学成分分析、力学测试结果、热处理参数以及可追溯至原始钢厂生产记录的尺寸验证。可根据要求安排来自 Lloyd's Register、Bureau Veritas 或 TÜV 等机构的额外第三方检验证书。

2205 不锈钢卷 中国

2205 双相钢卷订单的典型交货时间是多少?

常见厚度(0.5mm-3.0mm)和宽度(1000mm-1500mm)的标准轧制表面钢卷,在订单确认后,数量不超过 50 公吨的情况下,通常 4-6 周内发货。需要特殊厚度公差、表面处理或宽度分条的定制规格,可能根据钢厂生产计划和加工要求将交货期延长至 8-10 周。

你们能提供定制分条和切割服务吗?

我们的加工设施提供按客户指定宽度进行精密分条的服务,公差为 ±0.5mm,同时具备针对定制长度要求的剪切和激光切割能力。边缘处理选项包括去毛刺、圆边或分条边缘处理,适用于后续成型加工。定尺板材可提供保护性 PVC 膜或衬纸,以防止搬运和运输过程中的表面损伤。

获取 2205 不锈钢卷的竞争力报价

作为专注于双相不锈钢产品的钢厂直供供应商,我们提供具有工厂竞争力价格的 2205 不锈钢卷,并配有全面的技术支持和质量保证。我们经验丰富的冶金团队可协助进行材料选择、加工指导以及针对具体应用的建议,以确保在您的运行环境中实现最佳性能。立即索取您的定制报价,了解我们以价值为导向的双相不锈钢供应方式如何在保持毫不妥协的质量标准的同时降低您的材料成本。

  • 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加工试验
  • 批量订单具有竞争力的价格和灵活的付款条件
  • 关于材料选择和焊接工艺的专业技术咨询
  • 全球物流协调,提供门到门配送选项
  • 完整的文件包,包括 MTR、装箱单和合规证书

立即联系我们,在 24 小时内获取您的免费报价,体验与值得信赖的双相不锈钢卷供应商合作的可靠性!

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 Martinez
United States
2025-08-16
Acceptable Quality with Minor Surface Issues Resolved
Decent product quality overall, with one issue that was professionally resolved. We noticed some minor longitudinal scratches on 3 coils out of our 15-coil order (total 9 tons, 1.2mm thickness). The scratches were superficial at 0.05mm depth but not ideal for our architectural cladding application requiring pristine No.4 brushed finish. To their credit, the supplier responded within 18 hours and offered replacement of affected coils plus 8% discount on our next order. They also implemented additional protective interleaving paper between coil wraps for future shipments. The replacement coils arrived in 11 days with perfect surface quality. Chemical composition and mechanical properties were fully compliant with specifications. Overall acceptable experience. For aesthetic applications, suggest requesting extra surface protection and pre-shipment inspection photos. Material performance in our marine environment has been excellent after 4 months installation.
用户
Wei Tan
Singapore
2025-08-26
Reliable Quality for Regional Distribution
Good consistent quality for our Southeast Asian distribution network. We compared pricing from 5 regional suppliers for stock inventory purposes. Their pricing structure was competitive with flexible MOQ of 5 tons per specification, allowing us to maintain diverse inventory for quick customer delivery. The 2205 duplex coils (0.8mm to 4.0mm thickness range) all met ASTM A240 chemical composition requirements with complete traceability documentation. Surface quality of 2B finish was uniform across different thickness grades. Minor issue was one shipment had slight edge burr on 0.8mm coils requiring additional deburring, adding 2 days to our processing time. Overall, dependable supplier for trading operations. 4 stars because edge conditioning could be improved on thin gauges. Currently stocking 8 different specifications totaling 45 tons for regional customers.
用户
David Thompson
Canada
2025-09-11
Excellent Repeat Supplier for Mining Equipment
Long-term partnership for duplex stainless steel supply to Canadian mining sector. This is our 5th order over the past 14 months, totaling approximately 68 tons for mineral processing equipment. Every shipment has demonstrated consistent mechanical properties with yield strength between 455-490 MPa across different coil batches. Quality control is exceptional with complete ultrasonic testing per ASTM A435 showing zero internal discontinuities. Their understanding of our sulfuric acid leaching tank requirements ensures proper material selection and certification. The technical team provided valuable fabrication guidance for cold forming operations that reduced our springback issues by 30%. Material certificates are always complete with heat treatment parameters and ferrite content verification. Looking forward to continued collaboration for our copper extraction plant expansion projects.
用户
Carlos Mendes
Brazil
2025-09-28
Solid Performance for Petrochemical Piping Systems
Good value for Brazilian petrochemical industry. We compared quotes from 4 suppliers across Brazil, China, and Europe for our crude oil separator project. Their FOB pricing was competitive at 12% below European suppliers while maintaining full ASTM A240 and NACE compliance. The 2205 coil (2.0mm thickness) showed excellent resistance to sulfide stress cracking in our H2S testing per NACE TM0177 Method A. Formability was good with successful deep drawing operations for dished heads. The only issue was customs documentation required two revisions to match Brazilian import regulations, adding 5 days to delivery schedule. Overall, reliable supplier for South American oil and gas applications. 4 stars due to initial documentation delays. Planning third order for offshore platform components totaling 16 tons.
用户
Ahmed Al-Mansouri
UAE
2025-10-15
Perfect Quality for Seawater Desalination Plant
We ordered 25 tons of 2205 stainless steel coil (3.0mm thickness, 1500mm width, 2B finish) for our MSF desalination plant brine heater project in Abu Dhabi. Quality Assessment: Chemical analysis showed PREN value of 36.2, calculated from 22.1%Cr + 3.3(3.0%Mo) + 16(0.16%N), exceeding our minimum PREN 35 specification for seawater resistance. We conducted ASTM G48 Method A testing at our facility and confirmed critical pitting temperature of 58°C, well above our 45°C operating temperature. Surface finish was uniform 2B with no heat tint or oxidation. Tensile testing showed yield strength of 468 MPa and tensile strength of 685 MPa, providing excellent strength-to-weight ratio for pressure vessel design. Delivered in 14 days with complete Bureau Veritas third-party inspection certificates. Outstanding material for high-chloride, elevated-temperature applications.
用户
Robert Hughes
United Kingdom
2025-11-03
Reliable Long-Term Partner for Duplex Stainless Steel
Long-term partner for duplex stainless steel coil supply. This is our 7th order over the past 18 months, totaling approximately 95 tons for various oil and gas projects. Every shipment has met NACE MR0175/ISO 15156 sulfide stress cracking resistance requirements without exception. Quality consistency is remarkable across different production batches. Their dedicated account manager understands our H2S service requirements perfectly and ensures proper heat treatment documentation and hardness verification (HRC 28 maximum) for sour gas applications. The technical support team provided valuable welding procedure recommendations that reduced our post-weld heat treatment costs by 20%. Looking forward to continued partnership for our North Sea subsea equipment projects.
用户
William Chen
Australia
2025-11-20
Good Value 2205 Duplex for Ballast Tank Construction
Good value for the price. We compared quotes from 6 suppliers across China, South Korea, and Taiwan for our shipbuilding project. Their pricing was approximately 11% below average while maintaining premium quality with complete ASTM A240 compliance and Lloyd's Register approval documentation. The material performed excellently in our fabrication trials with minimum bend radius of 7.5mm (3x material thickness) achieving crack-free 90-degree bends. The only minor issue was the initial technical data sheet took 4 days to receive, slightly longer than the 48 hours quoted. Overall, excellent cost-performance ratio for marine construction applications. 4 stars because documentation delivery could be faster. Already placed our second order for 22 tons for hull structural components.
用户
Hans Schneider
Germany
2025-12-02
Premium 2205 Coils for Chemical Reactor Vessels
We ordered 18 tons of cold rolled 2205 duplex coil (1.5mm thickness, 1500mm width, BA finish) for our phosphoric acid reactor project in Saudi Arabia. Quality Assessment: Material certificates documented nitrogen content at 0.17%, critical for maintaining austenite stability and corrosion resistance per EN 10088-2:2014. We performed ASTM G48 Method A critical pitting temperature testing and achieved 62°C, exceeding our 50°C minimum specification. Bright annealed surface finish was mirror-quality with Ra value below 0.4μm, perfect for our cleanability requirements. The yield strength measured 485 MPa, providing excellent formability while maintaining structural integrity. Intergranular corrosion testing per ASTM A262 Practice E showed complete resistance. This is our 2nd order for Middle East projects. Quality consistency is remarkable. Highly recommended for chemical processing equipment requiring superior corrosion resistance.
用户
James Patterson
United Kingdom
2025-12-23
Outstanding Service for Urgent Desalination Project
Excellent service experience from inquiry to delivery. Communication: Their technical team responded to our urgent inquiry within 90 minutes with comprehensive quotation including PREN calculations and corrosion resistance data for seawater service. Questions about welding procedures for 2205 were answered with detailed WPS recommendations and ER2209 filler metal specifications. Delivery: We received our 6.5-ton order in just 9 days via air freight, 2 days ahead of our critical project deadline. Real-time shipping updates were provided every 48 hours. Packaging: Each coil was wrapped with heavy-duty PE protective film, secured with steel banding, and loaded in plywood crates with moisture barrier. Zero surface damage upon arrival at our Southampton facility. Outstanding supplier for time-critical projects. Will definitely continue our partnership for upcoming RO plant expansions.
用户
Michael Anderson
United States
2026-01-07
Excellent Quality 2205 Duplex Coil for Offshore Platform
We ordered 12 tons of 2205 duplex stainless steel coil (2.5mm thickness, 1219mm width, 2B finish) for our Gulf of Mexico offshore platform heat exchanger project. Quality Assessment: EN 10204 3.1 certificates showed chromium content at 22.3% and molybdenum at 3.1%, fully compliant with ASTM A240 UNS S32205 requirements. We conducted ferrite content testing and confirmed 52% ferrite phase, perfectly balanced microstructure. Surface finish was exceptional 2B with zero pitting or mill scale residue. What impressed us most was the tight thickness tolerance of ±0.08mm, significantly better than the standard ±0.15mm. The coil flatness was outstanding with no edge wave, which reduced our slitting waste by approximately 12%. This is our 4th order this year. Quality has been consistently excellent. Highly recommended for marine and chemical processing applications.

了解供应商

快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地: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

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

店铺推荐

更多产品 
 发送询价
邮件
邮件
[email protected]
复制邮箱
电话
电话
+86 133 7058 6666
复制号码