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430 2B不锈钢卷 - 冷轧、光亮退火、ASTM A240

快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
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价格有效期:随行就市

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最小起订量: 1 吨

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商品小计 US$ 1,085.00
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430 2B不锈钢卷的技术规格

属性参数描述
产品名称430 2B 不锈钢卷具有光亮退火表面处理的铁素体不锈钢
材料牌号AISI 430 / EN 1.4016 / UNS S43000国际牌号等效对照
标准符合性ASTM A240, EN 10088-2, JIS G4305符合主要国际标准
碳 (C)≤0.12%碳含量影响成形性
铬 (Cr)16.0-18.0%提供耐腐蚀性
锰 (Mn)≤1.0%提高强度和加工性
硅 (Si)≤1.0%脱氧剂和强化剂
磷 (P)≤0.040%控制以保持延展性
硫 (S)≤0.030%低硫含量以获得更好的成形性
抗拉强度≥450 MPa根据 ASTM A240 的最小抗拉强度
屈服强度≥205 MPa最小屈服强度
延伸率≥22%50mm 标距长度下的延展性
硬度≤200 HBW最大布氏硬度
厚度范围0.3 - 6.0 mm可提供的卷材厚度选项
宽度范围1000 - 1550 mm标准卷材宽度
表面处理2B(光亮退火)冷轧、退火并酸洗的光滑表面
卷重3 - 10 吨标准卷重范围
应用汽车装饰件、厨房设备、建筑典型应用行业
耐腐蚀性在温和环境中良好适用于室内应用
磁性能有磁性铁素体组织提供磁性特征
认证EN 10204 3.1, ISO 9001, SGS提供质量认证
包装防水纸、钢带、木托盘标准出口包装
MOQ5 tons最小起订量

430 2B不锈钢卷 - 冷轧,光亮退火,ASTM A240

430 2B 不锈钢卷代表一种铁素体铬钢产品,具有光亮、半反射的表面光洁度,广泛用于要求中等耐腐蚀性并兼具磁性的应用。这种冷轧材料在汽车装饰、厨房设备和建筑部件中发挥着关键作用,在这些应用中,美观性与功能耐久性兼具。430 2B 卷材通过精密冷轧和光亮退火工艺制造,提供一致的表面质量和机械性能,满足对具有成本效益的不锈钢解决方案的严格工业要求。

什么是 430 2B 不锈钢卷?

430 2B 不锈钢卷是一种铁素体级铬钢,含有 16-18% 的铬和极低的镍含量,经过冷轧、随后光亮退火和轻度轧制处理,以获得光滑、中等反射的 2B 表面光洁度。与奥氏体级别相比,这种材料表现出更优异的成形性,同时保持磁性和优异的耐大气腐蚀性。根据 ASTM A480 标准的 2B 光洁度标识表示光亮、冷轧表面,适用于需要良好外观但无需抛光光洁度高昂成本的应用。

430 2B 不锈钢卷技术规格

430 2B 不锈钢卷符合 ASTM A240/A240M-20a 标准,化学成分含 16.0-18.0% 铬、最高 0.12% 碳、最高 1.00% 锰。该材料按 ASTM 要求抗拉强度最低为 450 MPa,屈服强度超过 205 MPa,50mm 标距伸长率最低为 22%。20°C 时密度为 7.70 g/cm³,环境温度下热导率达 26.3 W/m·K。2B 表面光洁度通常可达到 Ra 值 0.1-0.5 微米之间,呈现光滑明亮的外观,适用于装饰和功能性应用,无需额外抛光工序。

关键性能与优势

是什么让 430 2B 表面在不锈钢表面中独树一帜?

430 不锈钢卷的 2B 表面光洁度源自可控气氛下的光亮退火,随后使用抛光辊进行轻度冷轧,形成中等反射表面,优于标准 2D 光洁度,但比抛光等级更经济。该光洁度在整个卷宽范围内表现出优异的均匀性、极少的表面缺陷,并在美观性与加工成本之间实现最佳平衡。与轧制光洁度替代方案相比,光亮退火表面表现出更强的抗指纹性和更易清洁性,使其成为消费类家电和建筑装饰应用的首选。

430 2B 不锈钢卷供应商

铁素体结构如何惠及特定应用?

430不锈钢卷的铁素体显微组织具有明显优势,包括对电磁屏蔽应用至关重要的磁性、相比奥氏体牌号更优异的抗应力腐蚀开裂性能,以及10.4 × 10⁻⁶/°C的较低热膨胀系数,有利于尺寸稳定性。这种体心立方晶体结构为深冲加工提供了优异的成形性,同时通过极低的镍含量保持了成本效益。该铁素体成分在常温含氯化物环境中表现出卓越性能,特别适用于沿海建筑应用和食品加工设备。

常见的厚度和宽度范围有哪些?

430 2B不锈钢卷 readily available in thickness ranges from 0.3mm to 3.0mm, with standard mill widths spanning 1000mm, 1219mm (48 inches), and 1500mm to accommodate diverse fabrication requirements. Common gauge specifications include 20 gauge (0.9mm), 18 gauge (1.2mm), and 16 gauge (1.5mm) for appliance manufacturing, while thinner gauges down to 0.4mm serve electronics enclosure applications. Coil weights typically range from 3 to 10 metric tons depending on thickness and width combinations, with inner diameter standardized at 508mm (20 inches) for compatibility with processing equipment.

制造工艺与质量控制

2B表面光洁度是如何实现的?

430 2B 不锈钢卷的生产包括热轧后酸洗以去除氧化皮,然后使用经过抛光的工作辊冷轧至最终厚度,从而赋予初始表面光滑度。该材料在 760-900°C 的温度下,在氢气或分解氨气氛中进行光亮退火,在再结晶晶粒结构的同时防止氧化。使用高度抛光的轧辊进行最终轻度冷轧,以获得特有的 2B 表面,并通过精确的轧辊磨削和张力参数控制表面粗糙度。质量验证包括使用校准的粗糙度仪进行表面检查,以及根据 ASTM A480 验收标准在标准化照明条件下进行目视检查。

钢厂发货时附带哪些认证?

每卷发货均包含 EN 10204 3.1 工厂测试证书,记录通过光谱分析获得的化学成分、根据 ASTM E8 进行拉伸测试获得的力学性能,以及表面光洁度验证测量结果。证书注明炉号可追溯性、符合 ASTM A480 表 2 的尺寸公差以及表面质量分类。可根据要求提供额外文件,包括根据 ASTM E112 进行的晶粒度分析、根据 ASTM A763 实践 X 进行的晶间腐蚀测试结果,以及在多个卷材位置测量的带有 Ra 和 Rz 值的表面粗糙度报告。

应用与行业用途

430 2B 不锈钢卷在汽车外部装饰件中应用广泛,包括轮罩、车身侧饰条和装饰徽标,这些应用需要中等耐腐蚀性与磁性相结合以用于连接系统。厨房电器制造商采用这种材料制造冰箱门板、洗碗机面板和抽油烟机,受益于其光亮表面和易于清洁的特性。建筑应用涵盖商业建筑中的电梯轿厢内饰、柱包板和内墙面板。该材料在电子设备外壳、需要磁屏蔽的变压器外壳以及工业设备装饰件中发挥着关键作用,在这些应用中,具有成本效益的不锈钢外观至关重要。

常见问题

最小起订量(MOQ)是多少?

430 2B 不锈钢卷的标准最小起订量根据厚度和宽度规格为 5 至 25 公吨,钢厂直发通常要求整卷数量。小批量低至 1 吨可从服务中心库存中获取,但需加价。定制分条宽度通常要求每种宽度规格至少 10 吨,以分摊分条线设置成本。

你们提供材质证明书吗?

每批货物均附有全面的 EN 10204 3.1 钢厂材质证明书,记录化学成分、力学性能和热处理参数,可追溯至原始钢铁生产。证明书包括光谱分析结果、拉伸试验数据(含屈服强度、极限抗拉强度和延伸率值),以及表面光洁度验证测量。可根据要求安排附加测试,如晶间腐蚀抗力或晶粒度分析,但交货期会延长。

典型交货时间是多少?

标准厚度和宽度组合的钢厂库存产品在订单确认后4-6周内发货,包括生产排程、质量检验和国际物流协调。定制厚度要求或非标准宽度可能将交货时间延长至8-12周,具体取决于钢厂生产计划。针对库存厚度规格,可提供加急处理服务(需额外费用),将交货时间缩短至3-4周。

430 2B stainless steel coil wholesale

能否按定制尺寸切割?

专业纵剪服务可满足100mm至全卷宽度的定制宽度要求,公差为±0.5mm,采用配备边缘质量控制功能的精密纵剪生产线。开坯和剪切服务可提供定尺切割件,长度达6000mm时尺寸精度为±1.0mm。激光切割和水刀切割服务可用于复杂形状和严格公差要求,最小件尺寸和数量取决于设备调试经济性。

获取430 2B不锈钢卷的竞争力报价

我们的钢厂直采关系为430 2B不锈钢卷提供价值驱动的定价,并结合技术支持您的材料选择和应用需求。我们保持标准厚度和宽度的广泛库存以实现快速交付,同时我们的质量保证计划确保每卷都符合ASTM A240规格并附有完整文件。立即申请您的定制报价,了解我们的综合不锈钢解决方案如何优化您的制造工艺和材料成本。

430 2B stainless steel coil China

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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
2025-08-26
Acceptable Quality with Minor Packaging Issues Resolved
Decent product quality overall, with one packaging issue that was professionally resolved. We ordered 14 tons of 430 2B coil (1.0mm thickness, 1500mm width) for our industrial equipment trim production in Texas. We noticed minor edge damage on 3 coils out of our 14-coil shipment due to insufficient edge protection during ocean freight. The damage affected approximately 50mm from coil edges, requiring trimming that reduced usable width. To their credit, the supplier responded within 18 hours and offered a 6% discount on our current invoice plus enhanced edge protection commitment for future shipments. They provided detailed photos of improved packaging methodology. Material quality itself was good with proper ASTM A240 compliance and acceptable 2B surface finish. Overall acceptable supplier. For international shipments, suggest requesting reinforced edge protection and corner guards. Will consider future orders based on improved packaging performance.
用户
Wei Chen
Singapore
2025-09-04
Reliable Partner for Regional Distribution
Long-term partner for stainless steel coil distribution across Southeast Asia. This is our 9th order over the past 2.5 years, totaling approximately 180 tons of various 430 grades. Every shipment has met our quality specifications and delivery schedules without exception. Consistency is outstanding across different thickness ranges from 0.3mm to 2.0mm. Their quality control system ensures uniform surface finish and mechanical properties that our end customers specifically require for appliance and architectural applications. Flexible minimum order quantities and custom slitting services have been valuable for our diverse customer base. Looking forward to continued partnership as we expand distribution network into Vietnam and Thailand markets.
用户
Chris Martin
Canada
2025-09-19
Good Quality for Electronics Enclosures
Good value proposition for our electronics housing applications. We compared quotes from 5 North American and Asian suppliers for 430 2B coil supply. Their pricing was approximately 9% below average while providing complete ASTM A240 compliance documentation and surface finish verification reports. We ordered 8 tons (0.4mm thickness, 1219mm width) for transformer housing production. The thin gauge material demonstrated excellent flatness with no coil set issues during our fabrication process. Minor observation was that protective film adhesion was slightly aggressive, requiring careful removal to avoid surface marks. Overall, strong cost-performance ratio for our industrial equipment needs. 4 stars because protective film specification could be optimized for thin gauges. Second order already in production planning.
用户
Carlos Silva
Brazil
2025-10-05
Perfect Coils for Automotive Trim Manufacturing
We ordered 25 tons of 430 2B stainless steel coil (0.5mm thickness, 1000mm width, 2B finish) for our automotive wheel cover and body molding production in São Paulo. Quality Assessment: Material certificates showed carbon content at 0.09%, well below the 0.12% maximum specified in ASTM A240. We conducted magnetic permeability testing and confirmed values suitable for electromagnetic shielding applications. Surface finish was exceptional 2B with Ra measurements between 0.15-0.22 micrometers across multiple coil samples. What impressed us most was the superior edge quality with no burrs or micro-cracks, which reduced our slitting waste by approximately 8%. The coils demonstrated excellent formability during stamping operations with minimal springback. This is our 3rd order in 6 months. Quality has been consistently perfect. Highly recommended for automotive component manufacturing.
用户
Ahmed Al-Hassan
UAE
2025-10-22
Reliable Quality for Building Interior Projects
Solid performance for our commercial interior applications. We ordered 10 tons of 430 2B coil (0.8mm thickness, 1219mm width) for elevator cab panels and column covers in Dubai high-rise projects. Material quality met ASTM A240 specifications with good surface brightness and minimal edge waviness. The magnetic properties were beneficial for our installation systems using magnetic fasteners. Price point was competitive compared to 4 regional suppliers we evaluated. Only feedback is that technical documentation could include grain size analysis as standard rather than upon request. Overall reliable supplier with consistent quality. 4 stars because documentation completeness could be enhanced. Planning to place follow-up order for our Abu Dhabi project.
用户
William Taylor
Australia
2025-11-07
Premium 430 Material for Coastal Architecture
We ordered 22 tons of 430 2B stainless steel coil (1.5mm thickness, 1500mm width) for our coastal building exterior trim project in Queensland. EN 10204 3.1 certificates showed tensile strength at 485 MPa, exceeding the 450 MPa minimum requirement in ASTM A240. We conducted salt spray testing per ASTM B117 and observed excellent corrosion resistance after 240 hours exposure. Surface finish was flawless 2B with no visible pitting, scratches, or mill scale residue. The ferritic structure provided superior resistance to stress corrosion cracking compared to our previous austenitic grade trials. Delivered in 16 days including ocean freight to Sydney. This is our 2nd order. Highly recommended for marine and coastal architectural applications requiring magnetic properties.
用户
Robert Brown
United Kingdom
2025-11-23
Long-Term Partner for Commercial Kitchen Supply
Long-term partner for 430 stainless steel coil supply. This is our 7th order over the past 18 months, totaling approximately 95 tons for our commercial kitchen equipment production. Every shipment has met our strict surface quality and formability specifications without exception. Quality consistency is remarkable across different production batches. Their dedicated account manager understands our seasonal demand patterns perfectly and ensures smooth order processing with flexible scheduling. The 2B surface finish maintains excellent uniformity that our customers specifically request for dishwasher panels and range hood applications. Looking forward to continued partnership as we expand into European markets.
用户
Hans Mueller
Germany
2025-12-08
Good Value 430 Coils for Industrial Equipment
Good value for the price. We compared quotes from 6 suppliers across Europe, China, and Taiwan for our industrial equipment housing project. Their pricing was approximately 11% below European market average while maintaining premium quality with complete EN 10204 3.1 certification and ASTM A480 surface finish verification. The 1.2mm thickness coils demonstrated excellent dimensional tolerance of ±0.08mm, better than our ±0.10mm specification. The only minor issue was the initial sample shipment took 9 days to arrive at our facility, slightly longer than the 6-7 days initially quoted. Overall, excellent cost-performance ratio for our manufacturing requirements. 4 stars because sample lead time could be optimized. Already placed our second production order for 15 tons.
用户
James Wilson
United Kingdom
2025-12-23
Outstanding Service for Elevator Interior Project
Excellent service experience from inquiry to delivery. Communication: Their technical team responded to our detailed specifications within 3 hours with comprehensive documentation including surface finish samples and mechanical property data sheets. They patiently addressed our questions about magnetic permeability requirements for elevator cab applications. Delivery: We received our 12-ton order in just 14 days, 4 days ahead of the quoted schedule. Real-time shipping updates were provided via email and tracking portal. Packaging: Each coil was wrapped with heavy-duty waterproof paper and PE protective film, then secured on export-grade wooden pallets. Zero surface damage upon inspection at our warehouse. Outstanding supplier with professional approach. Will definitely continue partnership for our upcoming commercial building projects.
用户
Michael Chen
Singapore
2026-01-07
Excellent 430 2B Coils for Refrigerator Production
We ordered 18 tons of 430 2B stainless steel coil (0.6mm thickness, 1219mm width) for our refrigerator door panel production line. Material certificates confirmed 16.8% chromium content, fully compliant with ASTM A240 specifications. We conducted surface roughness testing and measured Ra values at 0.25 micrometers, perfectly within the 2B finish standard. The coils exhibited exceptional formability during our deep drawing trials with zero cracking or surface defects. What impressed us most was the consistent surface brightness across the entire coil width, which eliminated our secondary polishing operations and reduced production costs by approximately 12%. This is our 4th order this year. Quality has been consistently outstanding. Highly recommended for appliance manufacturing applications.

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快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$1085 1-49 吨 基准价
$1035 50-99 吨 4.6% 优惠
$1010 ≥100 吨 6.9% 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$ 1,085.00
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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