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锌铝镁钢卷 - 耐腐蚀ZAM涂层钢

天津太钢国际贸易有限公司
已认证 定制生产厂家 · 5 年 · 中国 China
可定制 超低价
$745 1-49 吨 基准价
$710 50-99 吨 4.7% 优惠
$695 ≥100 吨 6.7% 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$ 745.00
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产品详情

锌铝镁钢卷技术规范

属性参数描述
产品名称Zinc Aluminum Magnesium Steel Coil先进的耐腐蚀涂层钢卷
涂层类型Zn-Al-Mg Alloy具有卓越防护性能的三元合金涂层
涂层成分Zn: 90-96%, Al: 4-8%, Mg: 1-3%优化合金配比以提升性能
基材Cold Rolled Steel / Hot Rolled Steel高品质基板选项
标准符合性JIS G3321, EN 10346, ASTM A792符合国际涂层标准
涂层重量80-275 g/m² (both sides)可定制涂层厚度
抗拉强度270-550 MPa取决于基材钢种
屈服强度≥140-420 MPa随钢种规格而变化
延伸率≥20%标准测试条件下的延展性
厚度范围0.20 - 2.0 mm可选厚度规格
宽度范围600 - 1500 mm标准及定制宽度
卷重3 - 10 tons标准卷重范围
表面处理Chromate-free, Oiled, Dry环保型选项
耐腐蚀性3-5 times better than galvanized steel卓越的盐雾测试性能
应用Roofing, construction, automotive, appliances广泛的工业应用
耐温性-40°C to 315°C适用于各种气候条件
认证ISO 9001, EN 10204 3.1提供质量认证
包装防水纸、钢带标准出口海运包装
MOQ25 tons每种规格的最小起订量

锌铝镁钢卷 - 耐腐蚀ZAM涂层钢

锌铝镁钢卷代表了金属涂层钢技术的一项革命性进步,与传统镀锌产品相比,具有更优异的耐腐蚀性。这种创新的涂层体系将锌(Zn)、铝(Al)和镁(Mg)以精确设计的合金组合在一起,通常按重量计由6%的铝、3%的镁和91%的锌组成。这三种元素的协同效应形成了一道保护屏障,在恶劣环境中,其使用寿命比传统热浸镀锌钢延长3-5倍。ZAM钢卷按照ASTM A792/A792M和JIS G3321标准,通过连续热浸镀工艺制造,广泛应用于沿海建筑、汽车制造、太阳能电池板安装系统和农业基础设施等关键领域,在这些应用中,增强对大气腐蚀的耐久性至关重要。

锌铝镁钢卷供应商

什么是锌铝镁钢卷?

锌铝镁钢卷是一种冷轧或热轧钢基材,通过连续热浸镀锌工艺涂覆含有约6%铝、3%镁和91%锌的三元合金。涂层重量通常为每面60至275 g/m²,提供冶金结合的防护层,表现出卓越的抗红锈形成能力。镁成分通过优先牺牲腐蚀实现自修复性能,而铝含量则形成稳定的氧化层,抑制在富氯和工业大气中的进一步降解。

锌铝镁钢卷技术规格

标准 ZAM 钢卷规格符合 ASTM A792/A792M-17 Grade 50 Class 1 要求,基体金属抗拉强度为 270-500 MPa,具体取决于基材等级的选择。根据 ASTM 标准,镀层厚度范围从 Z08(双面总计 80 g/m²)到 Z27(双面总计 275 g/m²)。钢卷宽度范围为 600-1,500 mm,厚度选项从 0.16 mm 到 2.0 mm。该镀层的熔点约为 382°C,低于纯锌的 419°C,因此在焊接操作期间需要调整工艺参数。化学成分保持镁含量为 2.5-3.5%,铝含量为 5.5-6.5%,其余为锌和总量低于 0.1% 的微量元素。

锌铝镁钢卷制造商

卓越的防腐保护机制

三金属镀层系统通过三种不同的机制提供多层防护。锌成分作为主要牺牲阳极提供电化学保护,而铝形成致密的 Al₂O₃ 钝化膜,与常规镀锌涂层相比,可将腐蚀电流密度降低 40-60%。镁通过形成碱式氯化锌(Zn₅(OH)₈Cl₂·H₂O)和类水滑石化合物来增强保护膜的稳定性,从而封闭微缺陷。根据 ASTM B117 的盐雾测试表明,在 Z18 镀层重量下,抗红锈时间超过 2,000 小时,而同等 GI 涂层为 720 小时。根据 ISO 9223 分类,这一性能意味着在 C3 腐蚀性环境中的预计使用寿命为 25-30 年。

中国锌铝镁钢卷

制造工艺与质量控制

ZAM钢卷生产采用连续热浸镀生产线,镀浴温度在400-420°C之间运行,精确控制在±3°C公差范围内。熔融合金镀浴成分通过X射线荧光光谱法连续分析进行维持,确保镁含量在高蒸气压下仍保持稳定。气刀压力调节将镀层重量均匀性控制在钢卷宽度方向±7%偏差以内。镀后处理包括符合RoHS合规要求的无铬钝化,施加三价铬转化涂层,干膜重量为10-30 mg/m²。每个生产钢卷均通过高分辨率摄像头进行自动化表面检测,可检测大于0.3 mm²的缺陷,镀层重量通过校准至ISO 17025标准的电磁感应仪进行验证。

应用特定优势

在距海岸线500米以内的沿海建筑项目中,ZAM涂层钢由于优异的耐氯离子腐蚀性能,使用寿命比热浸镀锌替代品长4-6倍。汽车应用受益于优异的成形特性,对于0.8 mm厚度基材,围绕1T半径的180度弯曲试验中涂层不发生分层。太阳能支架结构采用ZAM钢卷以满足25年质保合规要求,因为根据加速老化试验,涂层在户外暴露10年后仍保持大于90%的初始厚度。高氨环境中的农业建筑显示出白锈形成减少,氢氧化镁层提供了耐碱性。该材料的可焊性支持在6-8 kA电流和150-200 kg电极压力下进行点焊,产生的焊点直径符合AWS D8.1M规范。

常见问题

最小起订量(MOQ)是多少?

我们的锌铝镁钢卷标准最小起订量为每规格25公吨,相当于大约一个整柜装载量。对于试订单或特殊镀层重量,我们可接受10吨的减量订单,并相应调整价格。对于需要多种厚度或宽度组合的客户,可提供混装柜装载,前提是总吨位达到25吨的门槛。

你们提供材质检测证书吗?

是的,我们每批货物均随附符合EN 10204 Type 3.1标准的全面工厂检测证书,记录化学成分分析、力学性能测试结果、镀层重量测量以及表面质量检验报告。证书包含炉号可追溯性、生产日期以及符合ASTM A792/A792M和JIS G3321标准的合规声明。可根据客户要求安排SGS、BV或TÜV第三方检验,费用由客户承担。

典型交货期是多久?

锌铝镁钢卷生产的标准交货期为收到定金后25-35天,适用于常规库存厚度规格(0.4-1.2 mm)。非标准厚度或特殊镀层重量要求因生产排程原因,交货期延长至35-45天。紧急订单可提供加急处理,交货期缩短至18-22天,并收取相应加急费用。海运运输时间根据目的港不同另需15-40天。

你们可以按定制尺寸剪切吗?

我们提供按客户指定宽度进行的精密纵剪服务,宽度大于200 mm时公差为±2 mm,较窄带材为±1 mm。可通过我们的自动化飞剪生产线进行定尺板材切割,对于尺寸不超过6,000 mm的板材,长度公差保持在±3 mm。边缘处理选项包括去毛刺、圆边(R≤0.5 mm)或轧制边表面。对于每个SKU超过5吨的量产需求,可通过我们的关联加工中心提供定制下料和冲压服务。

获取锌铝镁钢卷的竞争力报价

立即索取钢厂直供ZAM涂层钢卷价格的详细报价。我们的技术销售团队提供全面的材料选择指导、基于您的腐蚀性环境分类的涂层重量建议,以及成形工艺优化支持。请联系我们并提供您的规格,包括基板牌号、涂层代号、尺寸和年需求量,以便在24小时内收到有竞争力的方案。我们提供灵活的付款条件、质量保证计划和物流协调,以实现无缝供应链整合。

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
John Anderson
United States
2025-09-13
Perfect for Coastal Bridge Components
Sourced 40 tons of ZAM steel coil (1.5mm thickness, 1500mm width, Z24 coating) for pedestrian bridge project 150 meters from Atlantic Ocean. Compared specifications from 5 suppliers - this material offered superior magnesium content at 3.2% ensuring enhanced self-healing properties. Coating uniformity measured ±6% across full width, excellent consistency. Welding trials at 6.5kA current produced strong joints without excessive spatter. Technical data package included corrosion rate projections showing 30-year service life in C4 corrosivity category. Delivered in 29 days with precise cut-to-length tolerance of ±2mm. Outstanding technical support throughout.
用户
William Taylor
Australia
2025-09-28
Acceptable Quality with Initial Documentation Delay
Ordered 15 tons of 0.5mm ZAM coil (Z10 coating) for boat trailer components. Material quality met ASTM A792 specifications once received. Coating adhesion passed cross-hatch testing. Initial shipment had incomplete mill certificates - missing coating weight verification data. Supplier reissued proper EN 10204 3.1 documentation within 5 days after notification. Actual delivery was 48 days versus quoted 35 days due to shipping delays. Material performance in saltwater environment has been satisfactory over 4 months. Communication improved significantly after initial issues resolved. Fair experience overall.
用户
Carlos Silva
Brazil
2025-10-20
Reliable Material for Industrial Applications
Acquired 20 tons of 1.0mm ZAM coil for HVAC ductwork manufacturing. Coating weight Z18 provided adequate corrosion protection for C3 environment classification per ISO 9223. Mechanical properties testing showed 340 MPa tensile strength, suitable for our roll-forming operations. Price point was reasonable compared to domestic suppliers. One coil had minor surface scratches affecting approximately 2% of area, but supplier offered 5% credit adjustment promptly. Lead time was 42 days including ocean freight to Santos port. Would order again for similar projects.
用户
Ahmed Al-Hassan
UAE
2025-11-10
Premium ZAM Coating for Harsh Desert Climate
Purchased 35 tons of ZAM steel coil (0.9mm, 1350mm width, Z20 coating weight) for warehouse construction in coastal industrial zone. Material certificates documented coating composition with X-ray fluorescence analysis results. Chromate-free passivation at 25mg/m² met RoHS compliance for our green building certification. After 14 months exposure to 45°C temperatures and high humidity, coating maintains >95% integrity with excellent chalk resistance. Customer service responded within 4 hours to technical inquiries. Third-party SGS inspection arranged smoothly. This supplier understands Middle East requirements.
用户
Robert Brown
United Kingdom
2025-11-25
Good Value ZAM Coils for Farm Buildings
Ordered 22 tons of 0.7mm thickness ZAM coil for livestock building roofing in high-ammonia environment. Pricing was competitive - compared quotes from 4 suppliers and this offered 12% savings. Coating weight Z15 met specifications with certificates provided. Material performs well after 6 months with minimal white rust formation. Delivery took 38 days, slightly longer than quoted 32 days, but acceptable. Minor edge waviness on two coils required additional flattening, but supplier provided technical support to resolve. Overall solid choice for agricultural applications where budget matters.
用户
Hans Mueller
Germany
2025-12-08
Outstanding Corrosion Resistance for Automotive Parts
Procured 18 tons of 0.6mm ZAM steel coil (Z12 coating, 1000mm width) for automotive underbody components. Chemical composition analysis showed magnesium at 2.9% and aluminum at 6.1%, within JIS G3321 specifications. Completed 1T radius bend tests on 0.6mm substrate with zero delamination. Accelerated corrosion testing demonstrated 5x improvement over hot-dip galvanized alternatives in salt spray chambers. Surface finish quality was exceptional with no defects above 0.2mm detected. Lead time was 31 days including custom slitting to four different widths.
用户
James Wilson
United Kingdom
2025-12-23
Superior Quality for Solar Panel Structures
This is our 4th order - purchased 32 tons of 1.2mm ZAM coil for solar farm mounting systems. EN 10204 3.1 certificates provided complete traceability with heat numbers. Coating weight uniformity measured at ±5% deviation, better than specification. Spot welding parameters at 7.2kA produced consistent nugget diameters meeting AWS D8.1M standards. Technical team provided excellent forming process guidance for our roll-forming lines. Material supports our 25-year warranty requirements. Highly recommend for renewable energy applications.
用户
Michael Chen
Singapore
2026-01-07
Excellent ZAM Coil Performance in Marine Environment
Ordered 28 tons of ZAM coated steel coil (0.8mm thickness, 1250mm width, Z18 coating) for our waterfront building project 300 meters from shoreline. Mill certificates confirmed 6.2% aluminum and 3.1% magnesium content per ASTM A792 Grade 50. After 18 months installation, zero red rust observed compared to previous GI material that showed corrosion within 8 months. Salt spray test reports exceeded 2,100 hours. Formability was outstanding - completed 180-degree bends without any coating cracks. Delivery took 27 days as promised.

了解供应商

天津太钢国际贸易有限公司

入驻 Sinoali.com 5 年

所在地:China

可定制 超低价
$745 1-49 吨 基准价
$710 50-99 吨 4.7% 优惠
$695 ≥100 吨 6.7% 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$ 745.00
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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