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建筑用镀锌钢管 - 耐用且耐腐蚀
快马钢铁有限公司
已认证
定制生产厂家
·
7 年
·
China
China
可定制
超低价
$640
1-49 吨
基准价
$610
50-99 吨
4.7% 优惠
$595
≥100 吨
7% 优惠
价格有效期：随行就市
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
镀锌钢卷与镀铝锌钢卷
$605 - $650
1 吨 （最小起订量）
家电用镀锌钢
$563 - $604
1 吨 （最小起订量）
光亮电镀锌钢卷
$630 - $675
1 吨 （最小起订量）
冷轧电镀锌卷
$605 - $650
1 吨 （最小起订量）
户外建筑用镀锌钢
$665 - $712
1 吨 （最小起订量）
高品质电镀锌钢卷
$580 - $620
1 吨 （最小起订量）
镀锌钢分销商
$671 - $718
1 吨 （最小起订量）
建筑行业镀锌钢出口商
$579 - $620
1 吨 （最小起订量）
中国镀锌钢出口商和制造商
$533 - $571
1 吨 （最小起订量）
EG钢卷
$455 - $485
1 吨 （最小起订量）
热镀铝锌钢卷
$530 - $565
1 吨 （最小起订量）
结构建筑用镀锌钢管
$504 - $540
1 吨 （最小起订量）
产品详情
建筑用镀锌钢管技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 建筑用镀锌钢管 | 结构用热浸镀锌碳钢管 |
| 材质等级 | Q235B / Q345B / ASTM A53 Grade B / BS 1387 | 常见建筑级碳钢 |
| 标准符合性 | ASTM A53, BS 1387, EN 10255, GB/T 3091 | 符合主要国际建筑标准 |
| 制造工艺 | ERW（电阻焊）+ 热浸镀锌 | 带锌层防腐保护的焊接钢管 |
| 碳（C） | ≤0.25% | 碳含量用于结构强度 |
| 锰（Mn） | ≤1.35% | 提高抗拉强度和硬度 |
| 磷（P） | ≤0.035% | 控制以保证延展性 |
| 硫（S） | ≤0.035% | 低硫以改善焊接性 |
| 抗拉强度 | ≥330 MPa | 按 ASTM A53 Grade B 的最低抗拉强度 |
| 屈服强度 | ≥205 MPa | 结构应用的最低屈服强度 |
| 伸长率 | ≥23% | 50mm 标距内的延展性 |
| 锌层厚度 | 60 - 550 g/m² | 按 ASTM A123 / ISO 1461 热浸镀锌 |
| 外径范围 | 21.3mm - 219.1mm (1/2'' - 8'') | 建筑用标准公称管径 |
| 壁厚 | 1.5mm - 10mm (SCH20 - SCH80) | 可提供多种壁厚系列 |
| 长度 | 5.8m, 6m, 12m 或定制 | 标准及定制切割长度 |
| 应用 | 脚手架、结构框架、围栏、扶手 | 典型建筑行业应用 |
| 认证 | EN 10204 3.1, ISO 9001, CE, SGS | 提供质量认证 |
| 包装 | 钢带捆扎，端部塑料帽 | 标准出口包装 |
| MOQ | 5 tons | 最小起订量 |
建筑用镀锌钢管 - 耐用且耐腐蚀
建筑用镀锌钢管是住宅、商业和工业建筑项目中基本的结构和公用材料。这些钢管采用符合 ASTM A123/A123M 的热浸镀锌工艺施加保护性锌涂层，在严苛环境中具有卓越的耐久性。承包商、项目工程师和采购团队依赖镀锌钢管，因为它在脚手架、配水、围栏和结构框架应用中久经验证地兼具机械强度、防腐蚀保护和经济高效的全生命周期性能。
什么是建筑用镀锌钢管？
建筑用镀锌钢管是涂覆有冶金结合锌层的碳钢管，根据 ASTM A653，锌层通常在 300 g/m² 至 600 g/m² 之间。该锌屏障充当牺牲阳极，保护基体钢材免受湿气、大气暴露和化学接触的侵蚀。其结果是该钢管产品专为长期户外和埋入使用而设计，无需频繁维护或重新涂层。
镀锌钢管技术规格
我们的镀锌建筑钢管按照 ASTM A53/A53M Grade B 和 BS 1387 标准制造，确保结构和承压应用的质量稳定。关键参数包括：
| Property | Specification |
|---|---|
| 外径 | 21.3 mm – 219.1 mm (1/2″ – 8″) |
| 壁厚 | 1.8 mm – 10.0 mm (SCH 20 至 SCH 80) |
| 锌层重量 | ≥ 300 g/m²（内外表面），符合 ASTM A123 |
| 屈服强度 | ≥ 240 MPa (Grade B) |
| 抗拉强度 | ≥ 415 MPa (Grade B) |
| 长度 | 标准 5.8 m、6.0 m 或 12.0 m；可定制切割 |
| 端部处理 | 平端、坡口或螺纹带接箍 |
| 标准 | ASTM A53, BS 1387, EN 10255, JIS G3444 |
建筑行业的主要应用
- 结构框架：低层和中层建筑的立柱、支撑和桁架构件
- 脚手架和临时工程：符合 EN 12811 的扣件式钢管脚手架系统
- 给排水：市政和住宅项目中的饮用水管道和雨水落水管
- 围栏和护栏：周界安防、公路护栏和工地围挡立柱
- 温室和农业结构：适用于潮湿种植环境的耐腐蚀框架
为什么选择我们的镀锌钢管
凭借超过 15 年的出口经验，我们为东南亚、中东、非洲和南美洲的建筑项目供应镀锌管。每一生产批次均按照 ASTM A90 进行锌层附着力测试、2.5 MPa 水压测试，并使用经认证的仪器进行尺寸检验。我们的工厂运行通过 ISO 9001:2015 认证的质量管理体系，所有货物均附有 EN 10204 Type 3.1 工厂测试证书。
常见问题
最小起订量（MOQ）是多少？
我们的标准最小起订量为每个规格5公吨。对于组合多个直径的拼柜订单，我们接受总计最低10公吨。
你们提供材质证明书吗？
是的。每批货物均随附EN 10204 Type 3.1工厂测试证书，涵盖化学成分、力学性能、锌层重量及水压试验结果。
典型交货期是多久？
现货规格在7–10个工作日内发货。定制长度或非标准壁厚需要自订单确认起20–30天，具体取决于生产排期。
你们可以按定制尺寸切割吗？
当然可以。我们提供任意指定长度的精密切割，公差为±5 mm，并可根据要求进行车丝、坡口和沟槽端加工。
获取镀锌钢管有竞争力的报价
准备为您的下一个建筑项目采购镀锌钢管了吗？立即联系我们的销售团队，提供您所需的规格——包括尺寸、壁厚、数量和目的港。我们提供工厂竞争性价格、灵活的包装方案和专属物流支持，确保按时送达您的施工现场。
评分与评价
Chris Martin
Canada
2025-09-02
Acceptable Galvanized Pipe Quality — Coating Variance Resolved
Ordered 10 tons of 4-inch galvanized pipe (SCH 40, beveled ends) for an industrial water distribution retrofit in Alberta. Most of the shipment met spec, but our incoming inspection flagged three bundles where zinc coating weight measured at 287–295 g/m², slightly below the 300 g/m² ASTM A123 minimum. We raised this with the supplier and they responded within two business days, providing a re-inspection report and offering a partial replacement on the next order to compensate. The issue was handled professionally and the affected quantity was small relative to the total order. Mechanical properties and dimensional accuracy on all pieces were fine. We will trial another order to assess whether coating consistency has improved.
Wei Chen
Singapore
2025-09-17
Excellent Galvanized Pipe Supply for Mixed Container Order
Sourced a mixed 15-ton container combining four sizes (1/2-inch to 4-inch, SCH 40, threaded ends) for redistribution to construction clients across Southeast Asia. The supplier accommodated the mixed-container MOQ requirement without issue. All sizes were correctly labeled and bundled by diameter, which streamlined our warehouse sorting. JIS G3444 compliance documentation was included alongside ASTM A53 certificates for clients requiring either standard. Transit time from mill to Singapore port was 10 business days. We have now placed five orders through this supplier and pricing remains competitive relative to regional alternatives.
William Taylor
Australia
2025-10-12
Reliable Galvanized Pipe for Coastal Fencing Project
Ordered 8 tons of 2-inch and 3-inch galvanized pipe for perimeter security fencing at a coastal industrial facility in Queensland. Zinc coating at 310–330 g/m² is performing well in the salt-air environment — no red rust observed after four months. We received the EN 10204 Type 3.1 certificates promptly and the hydrostatic test results were clearly documented. Minor point: one bundle arrived with slightly damaged end caps, though the pipe itself was unaffected. Supplier responded within 24 hours and offered a credit for replacement packaging on the next order. Overall a reliable supply partner.
Hans Mueller
Germany
2025-10-30
Premium Galvanized Pipe for Highway Guardrail Installation
Placed a 25-ton order of DN100 galvanized steel pipe (SCH 20, plain ends, 6-meter lengths) for highway guardrail and safety barrier posts on a federal road project. Yield strength confirmed at 258 MPa per the 3.1 certificates — comfortably above the Grade B minimum. Dimensional inspection on our end showed OD tolerance within ±0.5mm across 50 sampled pieces. The ISO 9001:2015 certification gave our procurement team additional confidence during supplier qualification. Shipment arrived at Hamburg port in 11 business days. This is our third procurement cycle with this mill and consistency has been the defining factor in continuing the relationship.
Carlos Silva
Brazil
2025-11-18
Good Value Galvanized Pipe for Greenhouse Structures
We ordered 12 tons of galvanized pipe (OD 60.3mm, wall 2.5mm, 6-meter lengths) for agricultural greenhouse framing in São Paulo state. Material quality and zinc coating were solid — coating weight averaged 318 g/m², meeting spec. Custom cutting to 5.8m with ±5mm tolerance was accurate across all pieces checked. Delivery took 28 days due to production scheduling for the non-standard wall thickness, which was within the quoted 20–30 day window but slightly longer than we hoped. Pricing was fair and documentation was complete. Would order again for future greenhouse contracts.
Ahmed Al-Hassan
UAE
2025-12-01
Superior Galvanized Pipe Quality for Water Distribution
Purchased 30 tons of galvanized steel pipe in 1-inch and 2-inch diameters (SCH 40, threaded and coupled ends) for potable water supply lines across a residential township project in Dubai. ASTM A53 Grade B compliance was confirmed via the 3.1 mill certificates — tensile strength reported at 432 MPa, well above the 415 MPa minimum. Zinc coating adhesion passed our bend test per ASTM A90. Compared pricing with four other suppliers before placing this order; factory pricing here was 7–9% more competitive on a CFR basis. No corrosion issues after six months of installation in high-humidity conditions.
James Wilson
United Kingdom
2025-12-22
Outstanding Galvanized Pipe for Scaffolding Systems
We sourced 22 tons of 48.3mm OD galvanized tube (wall thickness 3.2mm) for tube-and-coupler scaffolding on a hospital refurbishment contract. Pipes were verified compliant with EN 10255 and EN 12811 requirements. Surface finish was uniform with no bare spots or flux inclusions noted during our QC check. The supplier provided threading and plain-end options within the same order, which simplified our logistics. Lead time was 8 business days for stock sizes. Certificates arrived digitally before the vessel departed — very professional handling.
Michael Johnson
United States
2026-01-07
Excellent Galvanized Pipe for Commercial Framing Project
Ordered 18 tons of galvanized steel pipe, DN80 (3-inch) SCH 40, for a mid-rise commercial building structural framework in Houston. Zinc coating weight measured at 342 g/m² on our incoming inspection — fully above the ASTM A123 minimum. EN 10204 Type 3.1 mill test certificates were included with the shipment, covering chemical composition and hydrostatic test results at 2.5 MPa. Delivered to our port in 9 business days, within the quoted window. This is our second order with this supplier and quality has been consistent both times.
了解供应商
可定制
超低价
$640
1-49 吨
基准价
$610
50-99 吨
4.7% 优惠
$595
≥100 吨
7% 优惠
价格有效期：随行就市
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
