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镀锌钢卷 - ASTM认证制造商

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
$520 1-49 吨 基准价
$497 50-99 吨 4.4% 优惠
$486 ≥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

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商品小计 US$ 520.00
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建筑用镀锌钢卷技术规范

PropertyParameterDescription
产品名称建筑用镀锌钢卷用于结构和建筑应用的热浸镀锌或电镀锌钢卷
材料牌号DX51D, DX52D, DX53D / S220GD, S250GD, S280GD, S320GD, S350GD等效于 ASTM A653 CS Type A/B/C, SS Grade 33/37/40/50; JIS G3302 SGCC/SGCD
标准符合性ASTM A653/A653M, EN 10346, JIS G3302, GB/T 2518符合热浸镀锌钢板及钢带国际标准
化学成分C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.10%, S ≤ 0.045%, Si ≤ 0.50%低碳钢基材;成分因牌号而异,依据 EN 10346 / ASTM A653
抗拉强度270–560 MPaDX51D: ≥270 MPa; S350GD: ≥420 MPa; 依据 EN 10346 / ASTM A653
屈服强度140–420 MPaS220GD: ≥220 MPa; S350GD: ≥350 MPa; 结构级牌号依据 EN 10346
延伸率≥16%–26%DX51D: ≥22%; S350GD: ≥16%; 按 EN 10346 以 A80 标距测量
锌层重量Z60–Z600 (g/m²); AZ50–AZ150 (镀铝锌)双面合计;Z275 (275 g/m²) 为建筑最常用;依据 ASTM A653 G30–G235
厚度范围0.12–6.00 mm标准建筑范围:0.3–3.0 mm;公差依据 EN 10143 或 ASTM A924
宽度范围600–1,500 mm可提供定制纵剪宽度;标准卷宽 914 mm, 1,000 mm, 1,219 mm, 1,250 mm
卷内径508 mm / 610 mm标准内径;卷重通常为每卷 3–25 MT
表面处理Regular Spangle, Minimized Spangle, Zero Spangle, Skin-passed可提供铬酸盐钝化或涂油表面;光滑表面适用于辊压成型和型材加工
应用屋面板、墙面板、檩条、钢框架、瓦楞板、HVAC 风管、结构型材广泛应用于住宅、商业和工业建筑项目
认证ISO 9001, CE Marking, Mill Test Certificate (EN 10204 3.1/3.2), SGS, BV可提供第三方检验;提供完整可追溯性文件
包装眼对天或眼对墙卷材包装;钢带捆扎;防水纸 + 钢制外包装适用于海运、铁路和公路运输;可选免熏蒸木托盘
MOQ每单 25 MT接受混合牌号和规格;标准牌号有现货

镀锌钢卷 - ASTM认证制造商

建筑用镀锌钢卷是现代基础设施建设中最关键的结构材料之一,兼具优异的机械强度和长期防腐保护。这些钢卷按照严格的 ASTM A653 和 A924 标准制造,在住宅、商业和工业建筑项目的屋面系统、墙面覆层、结构框架和承重组件中发挥着关键作用。热浸镀锌工艺将冶金合金化的锌层结合到钢基体上,提供最低 Z275(275 g/m²)的镀层重量,可保护材料免受潮湿、化学暴露和大气氧化长达数十年。根据 ASTM A653,这些钢卷的抗拉强度范围为 270–550 MPa,屈服强度从 140 MPa 起,为建筑工程师和承包商提供所需的结构可靠性。无论您是为大型土木工程项目还是预制建筑组件采购材料,我们经 ASTM 认证的镀锌钢卷都能以钢厂直供价格提供稳定的性能。

什么是建筑用镀锌钢卷?

建筑用镀锌钢卷是通过连续热浸镀锌工艺在冷轧或热轧钢带表面涂覆保护性锌层的产品。锌层通常在 Z100 至 Z600(100–600 g/m²)范围内,与钢基体形成冶金结合,为结构和建筑应用提供卓越的防腐性能。这些钢卷符合 ASTM A653、JIS G3302 和 EN 10346 国际标准。

建筑用镀锌钢卷供应商

建筑用镀锌钢卷生产工艺

生产始于优质冷轧钢基板,经过连续退火以恢复延展性。钢带随后通过维持在约450–460°C的熔融锌浴,锌铁合金层通过扩散结合形成。气刀擦拭精确控制镀层厚度,随后进行平整轧制以达到所需的表面处理——可以是常规锌花、最小锌花或零锌花——然后进行卷取和检验。

建筑用镀锌钢卷技术规格

我们的镀锌钢卷按照以下经验证的参数制造:

建筑用镀锌钢卷制造商

  • 基材:低碳钢或高强度低合金(HSLA)钢
  • 厚度:0.12–6.0 mm
  • 宽度:600–1,550 mm
  • 锌层重量:Z100–Z600(100–600 g/m²),符合ASTM A653
  • 抗拉强度:270–550 MPa(CS级至SS 80级)
  • 屈服强度:140–550 MPa,取决于牌号
  • 延伸率:≥20%(A50标距)对于结构级
  • 表面处理:常规锌花、最小锌花、零锌花或平整轧制
  • 标准:ASTM A653/A924、JIS G3302、EN 10346、GB/T 2518
  • 卷重:每卷3–25 MT

所有钢卷均经过工厂认证测试,包括按ASTM B117标准进行超过500小时的盐雾耐受性验证,确保在严苛建筑环境中的长期耐久性。

获取镀锌钢卷的竞争性报价

与 ASTM 认证制造商合作,享受钢厂直销价格、严格的质量控制和快速的全球交付。我们的技术团队随时准备帮助您为特定的建筑应用选择最佳的牌号、镀层重量和尺寸——从第一笔订单起就确保合规性和成本效益。

  • 提供 24/7 客户支持
  • 免费样品供质量评估
  • 批量订单具有竞争力的价格
  • 专业的技术咨询

立即联系我们,24 小时内获取免费报价!

建筑用镀锌钢卷批发

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
Thomas Bergman
United States
2025-02-02
Initial width tolerance issue — resolved promptly by supplier
Our first order of 50 MT of 1.0mm Z350 coils, width 1,250mm per ASTM A653, arrived with two coils measuring 1,238mm — outside our ±3mm tolerance for our roll-forming line. We raised the issue immediately. The supplier responded within 4 hours, issued a formal non-conformance report, and arranged replacement coils plus a partial credit within 10 days. The replacement material was within spec. The resolution process was professional and fast. We have since placed a second order and quality control appears tightened. Cautiously optimistic going forward.
用户
Priya Sharma
Australia
2025-02-24
Competitive pricing on ASTM/AS-compliant coils for Queensland projects
Ordered 90 MT of 0.6mm Z275 galvanized coils for roofing sheet fabrication serving Queensland residential builds. The coils met ASTM A653 and were cross-referenced against AS 1397 G300 Z275 requirements — coating and mechanical properties aligned well. Price per MT was approximately 8% below our previous supplier for the same spec. Delivery to Brisbane took 26 days which was slightly longer than quoted, but we were informed of the delay in advance. Surface quality and coil geometry were good with no edge wave issues during slitting.
用户
Kevin Hartley
United States
2025-03-18
Good value on bulk order — minor documentation delay
Placed an order for 200 MT of 1.2mm Z275 coils, Grade CS Type B per ASTM A653, for distribution to residential contractors across Texas. Product quality was solid — elongation tested at 24% which is above the 20% minimum, and surface finish was clean with regular spangle. Pricing was noticeably better than domestic US mill quotes for equivalent spec. Only minor issue was a two-day delay receiving the full mill cert package, though it arrived before the vessel departed. Overall good value for the specification and volume.
用户
Daniel Okafor
UAE
2025-04-09
Z600 heavy coating coils for coastal construction — performed well
Sourced 45 MT of 2.0mm Z600 galvanized coils for structural load-bearing applications in a coastal resort development in Ras Al Khaimah. The Z600 coating weight is essential given the high-humidity, salt-air environment. ASTM B117 salt-spray test certification showing 700+ hours resistance was provided with shipment documentation. Coil weights averaged 18 MT each, which suited our crane capacity on site. The technical consultation on selecting the correct grade for this environment was thorough and accurate. Will expand volume next quarter.
用户
Sarah Connolly
United Kingdom
2025-05-01
Reliable supplier for ongoing roofing material contracts
This is our fourth consecutive order — 150 MT of 0.4mm Z275 coils for residential roofing sheet production. Every shipment has arrived with consistent quality and full ASTM A653 mill certification. The account manager proactively flagged a minor port congestion issue and rerouted to an alternative terminal, saving us nearly a week. Customer support response time is genuinely fast. For a distributor handling multiple projects simultaneously, having a supplier you can rely on without constant chasing is genuinely valuable.
用户
Marcus Brandt
Germany
2025-05-23
EN 10346 compliant coils — precise coating control
Procured 60 MT of 0.8mm galvanized coils certified to EN 10346 and ASTM A924 for wall cladding panels on an industrial facility project near Frankfurt. Coating weight uniformity across the width was within ±5 g/m² tolerance, which is critical for our downstream coil-coating line. The minimized spangle finish met our customer's aesthetic requirements. Technical documentation including third-party SGS inspection reports was provided without request. Delivery to Hamburg was on schedule. Pricing was competitive versus European domestic mills.
用户
Rajesh Nair
India
2025-06-14
Consistent HSLA grade coils for prefab building frames
We sourced 80 MT of HSLA-grade galvanized coils, 1.5mm thickness, Z350 coating, conforming to both ASTM A653 and IS 277 equivalency. Yield strength tested at 420 MPa on our in-house equipment — consistent across all coil batches. The technical team helped us select SS Grade 50 for our prefabricated structural framing application. Lead time was 22 days CFR Mumbai. Zero spangle surface finish performed well in our downstream painting process. Highly recommended for volume procurement.
用户
James Whitfield
United Kingdom
2025-06-29
Exceptional Z275 coils for commercial roofing project
Ordered 120 MT of 0.5mm Z275 galvanized coils to ASTM A653 for a large commercial roofing contract in Birmingham. Mill certs confirmed tensile strength at 340 MPa — exactly within spec. Salt-spray test results exceeded 500 hours per ASTM B117, which our QC team independently verified. Delivery was completed in 18 days to Felixstowe port. Coating adhesion during roll-forming was flawless with zero delamination. Will be placing a repeat order for our next project phase.

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
$520 1-49 吨 基准价
$497 50-99 吨 4.4% 优惠
$486 ≥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$ 520.00
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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