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镀锌钢用于户外建筑 - 钢厂直供

中和建材有限公司
已认证 定制生产厂家 · 3 年 · 中国 China
可定制 超低价
$712 1-49 吨 基准价
$681 50-99 吨 4.4% 优惠
$665 ≥100 吨 6.6% 优惠
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$ 712.00
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户外建筑用镀锌钢技术规范

属性参数描述
产品名称户外建筑用镀锌钢专为外部结构和建筑应用设计的热浸镀锌或电镀锌钢产品
材料牌号DX51D / S250GD / S350GD (EN); ASTM A653 CS / SS Grade 33–80; GB/T 2518 DC51D+Z等效国际牌号:JIS G3302 SGCC / SGCH;可提供屈服强度高达 550 MPa 的结构级牌号
标准符合性ASTM A653/A653M; EN 10346:2015; JIS G3302; GB/T 2518-2019符合国际热浸镀锌扁平钢标准,适用于结构和一般商业用途
化学成分C ≤ 0.12%; Mn ≤ 0.60%; P ≤ 0.10%; S ≤ 0.045%; Si ≤ 0.50%; Al ≥ 0.01%低碳钢基体;锌镀层合金可包含 Al (0.2–0.5%) 和 Mg 以增强耐腐蚀性
抗拉强度270–560 MPa(取决于牌号)CS Type B (ASTM A653):≥270 MPa;S350GD (EN 10346):≥420 MPa;可提供更高牌号用于结构用途
屈服强度140–480 MPaSS Grade 33:≥230 MPa;S350GD:≥350 MPa;S550GD:≥550 MPa,依据 EN 10346
伸长率≥10%–30%(A80 或 A50)因牌号而异;DX51D:≥22% (A80);结构级牌号 (S350GD):≥12% (A80),依据 EN 10346
锌层重量Z60–Z600 (g/m²); G30–G235 (oz/ft²)常见户外牌号:Z275(双面总重 275 g/m²);Z350–Z600 用于重型海洋/工业环境
镀层类型热浸镀锌 (HDG);电镀锌 (EG);镀铝锌 (ZA / AZ)户外建筑首选 HDG;镀铝锌(55% Al-Zn)具有更优异的耐热性和耐腐蚀性
厚度范围0.12–6.0 mm标准板材/卷材厚度;可根据要求提供最大 12 mm 的结构型材和板材
宽度范围600–1,500 mm(卷材);最大 2,000 mm(板材)可提供定制纵剪宽度;标准卷材外径:508–610 mm 内径
表面处理普通锌花 / 小锌花 / 零锌花;平整;铬酸盐 / 磷酸盐钝化户外涂装应用推荐零锌花;可根据客户要求提供涂油或干燥表面
应用屋面、墙面覆层、结构框架、檩条、围栏、公路护栏、户外家具、农业建筑广泛应用于需要长期防腐保护的建筑、基础设施和工业户外环境
认证ISO 9001:2015;CE 标志(EN 10346);工厂测试证书(EN 10204 3.1/3.2);符合 RoHS可提供第三方检验(SGS、BV、TÜV);可根据要求提供 ASTM 认证测试报告
包装卷材:钢带捆扎,防水纸 + 钢制外包装;板材/中厚板:带钢带的木托盘出口海运包装标准;卷重通常为 3–10 MT;包含内套保护
MOQ每单 25 MT(卷材);5 MT(定尺板材)同一订单内接受混合牌号和规格;可提供样品卷用于资格测试

户外建筑用镀锌钢 - 钢厂直供

用于户外建筑的镀锌钢是全球工程师、承包商和项目开发商可用的最可靠的结构材料之一。这种镀锌钢专为承受长期暴露于湿气、紫外线辐射、温度波动和腐蚀性大气条件而设计,在严苛的户外环境中可提供数十年的可靠服务。无论是应用于公路护栏、屋顶系统、结构框架、电线杆、农业建筑还是沿海基础设施,镀锌钢始终优于未经处理的替代品,大幅降低维护成本并延长使用寿命。锌层重量通常在 Z60 至 Z275 g/m²(或按 ASTM A653 为 G60 至 G90)范围内,该材料提供牺牲性屏障,即使表面发生损伤也能主动保护底层钢基材。我们的镀锌钢产品直接来自认证钢厂,符合包括 ASTM A653、EN 10346 和 JIS G3302 在内的国际标准,确保每一卷、每一张或每一结构型材都满足住宅、商业和工业建筑领域户外应用所需的精确性能基准。

户外建筑用镀锌钢供应商

什么是用于户外建筑的镀锌钢?

用于户外建筑的镀锌钢是经过镀锌工艺处理的碳钢或结构钢,具有出色的防腐性能,适用于外部暴露环境。锌层与钢材表面发生冶金结合,形成持久的保护屏障,防止因雨水、湿气和大气污染物引起的锈蚀。产品可提供卷材、板材、管材、角钢和定制型材,在结构、建筑和公用事业建设项目中发挥着关键作用,这些项目对长期耐久性有着不可妥协的要求。

用于户外建筑的镀锌钢制造工艺

最普遍的生产方法是连续热浸镀锌,经过清洗和助镀处理的钢带通过维持在约450°C(842°F)的熔融锌浴。该工艺形成多层涂层,包括外层纯锌层与中间铁锌合金相(gamma、delta和zeta层)结合,根据指定的镀层等级,总涂层厚度通常在7 µm至42 µm之间。电镀锌也用于精密应用中所需的更薄、更均匀的涂层。

用于户外建筑的镀锌钢制造商

用于户外建筑的镀锌钢技术规格

我们的用于户外建筑的镀锌钢产品基材屈服强度范围为250 MPa至550 MPa,抗拉强度为330 MPa至600 MPa,符合ASTM A653和EN 10346标准。锌层选项从Z60(双面总计60 g/m²)到Z600(600 g/m²),适用于重型海洋或工业环境。板材厚度范围为0.12 mm至6.0 mm,宽度可达1,500 mm。表面处理包括常规锌花、最小锌花和零锌花,以增强可涂装性。

户外建筑用镀锌钢批发

获取户外建筑用镀锌钢的竞争力报价

与我们钢厂直供供应链合作,以高性价比的价格获取用于户外建筑的高级镀锌钢。我们的技术团队随时准备匹配您项目所需的精确镀层重量、厚度和机械性能——并具备快速交货周期和可靠的全球物流。

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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
Rajesh K.
India
2025-02-02
Initial coil width variance issue — resolved satisfactorily
Our first order of Z180 galvanized coils, 0.8 mm × 1,250 mm, for industrial shed roofing showed width variance of up to 4 mm on several coils in the first shipment, which caused fitment issues on our roll-forming line. We raised this with the supplier immediately. They investigated promptly, confirmed a slitting calibration issue, and reshipped replacement coils within 10 days at no additional cost. The replacement material measured within ±1 mm tolerance consistently. Communication throughout was professional. We have since placed a second order and the quality control has been correct. Cautiously optimistic going forward.
用户
Sarah L.
United Kingdom
2025-02-24
Competitive pricing on Z100 sheeting, delivery slightly longer than quoted
Purchased 25 tons of Z100 galvanized sheet, 0.7 mm × 1,000 mm, for residential roofing cladding in the South East. Material quality was good — EN 10346 compliance confirmed, surface finish uniform with no visible coating defects. Pricing came in about 8% below our usual supplier, which is meaningful on a project this size. Delivery was quoted at 15 days but arrived on day 19. Not a project-critical delay, but worth noting. The team did proactively send a revised ETA update, which helped us adjust scheduling. Would use again for future orders.
用户
Fatima A.
UAE
2025-03-18
Good value on Z600 marine-grade material, minor documentation delay
Ordered 30 tons of Z600 heavy-duty galvanized sheet, 4.0 mm, for a coastal infrastructure project near Abu Dhabi — harsh salt-air environment demands maximum protection. Pricing was competitive versus regional distributors, and ASTM A653 G90 equivalent compliance was confirmed. Coating thickness measured at 38–41 µm, within spec. Only reason for 4 stars is that the full test report package arrived two days after the material, causing a brief hold on our QC sign-off. Supplier acknowledged the gap and said they would align documentation dispatch with shipment going forward.
用户
Tobias M.
Germany
2025-04-09
Precise technical documentation for EN 10346 Z275 coils
Sourced 60 tons of Z275 galvanized coils at 1.0 mm thickness for structural framing components in a commercial rooftop installation. German procurement standards require thorough mill certification, and this supplier delivered complete 3.1 inspection certificates, coating mass test reports, and mechanical property data without any back-and-forth. Yield strength averaged 310 MPa, well within our EN 10346 S250GD specification. Regular spangle surface was acceptable for our powder-coat finish process. Technical team understood European standards terminology immediately — a clear differentiator.
用户
Kevin B.
Australia
2025-05-01
Third reorder — quality and lead times remain reliable
This is our third purchase order for Z350 heavy-duty galvanized sheet, 3.0 mm × 1,200 mm, used in utility pole brackets and outdoor switchgear enclosures. Total volume across three orders now exceeds 200 tons. Coating weight has been verified in-house every time and consistently meets or exceeds the declared 350 g/m² both sides. Lead time averages 20 days to Brisbane port. The free sample evaluation before our first order gave us confidence to commit to volume. No hesitation recommending this supplier.
用户
James R.
United Kingdom
2025-05-23
Mill-direct pricing made our agricultural building project viable
Used 40 tons of Z200 galvanized structural sections, 1.5 mm gauge, for a series of agricultural storage buildings in Yorkshire. The price differential versus local stockholders was significant enough to bring the project within budget. Quality was solid — EN 10346 documentation provided without chasing, and the minimized spangle finish was clean and uniform. Delivery took 22 days to our site, which was acceptable. Customer support was responsive throughout. This is now our preferred supplier for outdoor structural steel.
用户
Priya S.
India
2025-06-14
Consistent EN 10346 specs across three repeat orders
Ordered Z180 galvanized coils, 0.5 mm × 1,250 mm width, for roofing panels across three separate purchase orders totalling around 120 tons. Each batch was tested against EN 10346 and results were consistent — tensile strength between 390–420 MPa, zero spangle finish as requested for downstream painting. No thickness deviation beyond ±0.02 mm. The technical consultation before our first order helped us select the right coating class for our monsoon-region projects. Will continue sourcing here.
用户
Marcus T.
United States
2025-06-29
Z275 coating held up perfectly on coastal highway project
We specified Z275 g/m² hot-dip galvanized sheet at 2.0 mm thickness for guardrail fabrication on a coastal highway expansion — roughly 85 metric tons total. Mill certs confirmed full ASTM A653 compliance, yield strength consistently above 340 MPa across all coils. Coating adhesion passed our bend test without flaking. Lead time was 18 days to our East Coast port, which kept the project on schedule. Technical team responded to our coating weight queries within hours. Genuinely impressed with the mill-direct transparency.

了解供应商

中和建材有限公司

入驻 Sinoali.com 3 年

所在地:China

FAQ

Q: What is the zinc coating weight of your galvanized steel?
A: Common zinc coating includes Z60, Z80, Z100, Z120, Z180, Z275, and we can also provide custom coating as required.
Q: What types of galvanized steel do you supply for construction?
Q: What is the difference between GI and PPGI?
Q: Do you offer customized sizes and lengths?
Q: How do you package galvanized steel to prevent rust during shipment?
Q: Can you provide mill test certificates (MTC) for galvanized steel?

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.

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可定制 超低价
$712 1-49 吨 基准价
$681 50-99 吨 4.4% 优惠
$665 ≥100 吨 6.6% 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$ 712.00
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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