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镀锌钢梁 - 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
$480 1-49 吨 基准价
$459 50-99 吨 4.4% 优惠
$449 ≥100 吨 6.5% 优惠
价格有效期:随行就市

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商品小计 US$ 480.00
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建筑用镀锌钢梁技术规范

属性参数描述
产品名称Galvanized Steel Beams for Building Construction用于商业、工业和住宅建筑的 hot-dip 或 electro-galvanized 结构钢梁
材料等级Q235B / Q355B / S235JR / S355JR / A36 / A572 Gr.50国际对应牌号:Q235B ≈ S235JR ≈ A36;Q355B ≈ S355JR ≈ A572 Gr.50
标准符合性ASTM A6/A6M, EN 10025-2, GB/T 11263, JIS G3192涵盖用于结构应用的 hot-rolled H-beams、I-beams 和 wide flange sections
化学成分C ≤ 0.22%, Mn ≤ 1.60%, Si ≤ 0.55%, P ≤ 0.035%, S ≤ 0.035%低碳结构钢化学成分,确保良好的焊接性和镀锌兼容性
抗拉强度400–550 MPa (Q235B); 470–630 MPa (Q355B)依据 GB/T 700 和 GB/T 1591;ASTM A36:400–550 MPa;A572 Gr.50:最低 450 MPa
屈服强度≥ 235 MPa (Q235B); ≥ 355 MPa (Q355B)厚度 ≤ 16 mm 时的最小屈服强度;按标准随厚度增加而降低
伸长率≥ 26% (Q235B); ≥ 20% (Q355B)依据 GB/T 228.1 的纵向断后伸长率;确保结构载荷下的延展性
梁截面类型H-Beam, I-Beam (IPE/HEA/HEB), Wide Flange (W-Section)提供标准型和宽翼缘型材;腹板高度 100–900 mm,翼缘宽度 50–400 mm
长度范围6 m – 12 m(标准);最长 18 m(定制)标准轧制长度;可定制切割;公差依据 EN 10279 或 GB/T 11263
镀锌方法Hot-Dip Galvanizing (HDG);Electro-Galvanizing(可选)HDG 依据 ASTM A123 / EN ISO 1461;锌层厚度 ≥ 45–85 μm,取决于钢材厚度
锌层重量≥ 305 g/m² (ASTM A123);≥ 350 g/m² (EN ISO 1461,适用于 t > 6 mm)根据环境(ISO 9223 类别)提供 20–70 年的防腐保护寿命
表面处理锌花 / 光滑热浸镀锌表面;锌层均匀,无漏镀点按 ASTM A123 第 6 节进行目视检查;可选铬酸盐钝化或可涂装表面
应用结构框架、楼面梁、屋架、桥梁、工业建筑、仓库适用于腐蚀性环境,包括沿海、工业和高湿度区域
认证ISO 9001:2015、CE 标志 (EN 1090-1)、工厂测试证书 (EN 10204 3.1/3.2)可提供第三方检验;可根据要求提供 SGS、BV、TÜV 报告
包装钢带捆扎包(每包 2–5 MT);端盖和垫木保护适合海运的出口包装;免熏蒸木质垫木;适用于集装箱或散货船
MOQ每种尺寸/等级 25 MT接受混装集装箱订单;为成本效益优先推荐整柜 (FCL)

镀锌钢梁 - ASTM认证制造商 |

用于建筑结构的镀锌钢梁是现代土木与工业工程中最可靠的结构解决方案之一。这些钢梁将结构钢固有的承载强度与热浸镀锌层相结合,具有出色的抗腐蚀性能,使用寿命远超未镀锌的替代产品。在严苛环境中——从沿海基础设施到工业仓库——镀锌钢梁在框架系统、楼板搁栅、屋架、桥面和多层建筑骨架中发挥着关键作用。北美、欧洲和亚太地区的承包商和项目工程师越来越多地指定通过 ASTM 认证的镀锌钢梁,以满足结构完整性规范和长期生命周期成本目标。根据应用等级的不同,锌层厚度通常在 45 µm 至 100 µm 之间,这些钢梁即使在强腐蚀性化学或高湿度环境中也能提供数十年的免维护性能,使其成为全球可持续建筑项目的首选。

什么是用于建筑结构的镀锌钢梁?

用于建筑结构的镀锌钢梁是热轧或焊接的结构钢型材——包括工字梁(W 型)、H 型桩、槽钢和角钢——通过符合 ASTM A123 或同等标准的热浸镀锌工艺在其表面镀上锌层。锌与钢基体发生冶金结合,形成牺牲性屏障,在结构的整个使用寿命期间保护基体金属免受氧化、湿气侵入和化学侵蚀。

用于建筑结构的镀锌钢梁制造工艺

生产首先在超过 1,200 °C 的温度下将钢坯热轧成精确的梁型材,然后通过酸洗和助镀剂处理进行表面准备。随后将清洁后的型材浸入维持在约 450 °C 的熔融锌浴中,形成多层锌铁合金镀层。镀锌后检验按照 ASTM A123 验证镀层附着力和厚度均匀性,并为每个生产批次出具工厂证书,以确保完全可追溯性和合规性。

建筑结构用镀锌钢梁技术规格

我们的镀锌钢梁按照 ASTM A36、A572 Grade 50 和 EN 10025 S355 标准制造,最小屈服强度为 250 MPa(A36)至 345 MPa(A572 Gr.50),抗拉强度最高可达 550 MPa。锌层平均厚度为 85 µm(600 g/m²),符合 ASTM A123 等级要求。梁高范围为 100 mm 至 900 mm,翼缘宽度为 50 mm 至 400 mm,单位重量为 8.9 kg/m 至 382 kg/m,可满足从轻型住宅框架到重型工业跨度的需求。

建筑结构用镀锌钢梁供应商

获取镀锌钢梁的竞争性报价

与提供钢厂直销价格、快速交货期和完整文件支持的 ASTM 认证钢厂供应商合作。无论您的项目需要标准库存型材还是定制加工型材,我们的团队都能提供量身定制的解决方案,并依托专业的技术咨询和每个生产阶段的严格质量保证。

建筑结构用镀锌钢梁制造商

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用于建筑施工的镀锌钢梁批发

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 Nguyen
Australia
2025-02-01
Initial coating thickness variance — issue resolved professionally
Ordered 30 tonnes of galvanized H-pile sections (150 mm x 150 mm, AS/NZS 4680 equivalent) for a residential foundation project in Brisbane. Upon inspection, roughly 15% of sections measured 72–74 µm coating — below our 80 µm project minimum. Raised the issue with the support team; they arranged re-galvanizing of the affected sections and reshipped within 10 days at no extra cost. Final material passed our QA checks. The responsive handling of the complaint was reassuring — will consider reordering once lead time and first-pass quality consistency improve.
用户
Priya Menon
UAE
2025-02-22
Competitive pricing for high-humidity environment specification
Sourced 90 tonnes of galvanized I-beams (depth 400 mm, ASTM A572 Gr.50) for a waterfront commercial complex in Dubai. The 85 µm zinc coating is appropriate for our coastal corrosion environment. Pricing per tonne was 8–10% below the two other suppliers we quoted. Lead time of 28 days to Jebel Ali was acceptable though slightly longer than quoted. Documentation package was thorough. Would rate 5 stars if lead time consistency improves — still a strong recommendation for Gulf region buyers needing ASTM-certified material.
用户
David Kowalski
United States
2025-03-16
Good value on bulk W8 beams — minor labelling inconsistency
Purchased 55 tonnes of W8x31 galvanized beams (ASTM A36) for floor joist systems across three light commercial buildings. Coating thickness and yield strength both met spec. Pricing was noticeably better than domestic mill-direct quotes for this volume. Only minor issue: bundle labelling on two skids showed incorrect heat numbers, which required a quick clarification email. Support team corrected documentation within 4 hours. Overall solid value for money and would use again for similar-scale projects.
用户
Marcus Brandt
Germany
2025-04-07
EN 10025 S355 compliance fully verified — excellent for EU projects
Procured 65 tonnes of wide-flange beams (HEA 300 equivalent, S355 grade) for a logistics centre in Bavaria. All material arrived with EN 10025 mill certificates and third-party inspection reports. Tensile strength test values ranged 520–545 MPa, consistent with specification. Zinc coating at 87 µm average passed our internal corrosion resistance protocol. The team accommodated a last-minute change in flange width from 300 mm to 350 mm without delay to the overall 25-day lead time. Professional and technically competent supplier.
用户
Sarah Whitfield
United Kingdom
2025-04-29
Responsive team, smooth documentation process
Ordered 40 tonnes of galvanized steel channels and angles for a commercial roofing project in Manchester. The 24/7 support team responded to our specification queries within 2 hours each time — very impressive for a cross-timezone supplier. Free samples were dispatched quickly, allowing our QA team to verify coating adhesion before committing to the full order. Final delivery arrived 3 days ahead of schedule. Mill certificates and ASTM A123 compliance reports were clean and ready for our client's sign-off.
用户
Ravi Subramaniam
India
2025-05-21
Reliable quality for large-scale industrial framing
Third repeat purchase — this time 200 MT of I-beams (depth 300 mm to 500 mm, ASTM A36) for an industrial warehouse complex in Pune. Yield strength test reports confirmed 260–268 MPa, consistent across all lots. Galvanizing quality at 85 µm average has performed well through two monsoon seasons on our earlier orders with zero rust bleed. Pricing for bulk volume is genuinely competitive versus local galvanizing-after-fabrication approach. Highly recommend for large infrastructure programs.
用户
Oliver Pemberton
United Kingdom
2025-06-12
Technically precise supply for coastal bridge deck project
Specified 120 tonnes of H-pile sections galvanized to EN ISO 1461 equivalent for a coastal bridge deck in Cornwall — high-humidity, salt-laden environment. Coating thickness averaged 96 µm, well within our corrosion class C5-M requirement. Full traceability documentation matched EN 10025 S355 grade. The technical consultation team helped us select the correct beam depth (600 mm) and flange width for our span calculations. Delivery to Felixstowe was on schedule at 22 days.
用户
James Holloway
United States
2025-06-27
ASTM A572 Gr.50 beams exceeded our structural specs
We ordered 85 metric tons of W12x65 galvanized beams to ASTM A572 Grade 50 for a multi-story warehouse frame in Texas. Zinc coating measured consistently at 88–92 µm on arrival — above the ASTM A123 minimum. Mill certificates were issued per lot, which our structural engineer approved immediately. Lead time was 18 days to Houston port, faster than our previous domestic supplier. Will be specifying these again for our Q3 industrial project.

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
$480 1-49 吨 基准价
$459 50-99 吨 4.4% 优惠
$449 ≥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$ 480.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
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