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热浸镀锌钢管 - 耐腐蚀结构管材
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
$720
1-49 吨
基准价
$688
50-99 吨
4.4% 优惠
$673
≥100 吨
6.5% 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
镀锌钢管出口商
$650 - $695
1 吨 （最小起订量）
AZ100镀铝锌钢卷
$605 - $650
1 吨 （最小起订量）
焊接镀锌钢管
$670 - $720
1 吨 （最小起订量）
电镀锌钢卷制造商
$580 - $620
1 吨 （最小起订量）
热浸镀锌钢管
$673 - $720
1 吨 （最小起订量）
电镀锌钢卷价格
$580 - $620
1 吨 （最小起订量）
优质镀锌钢卷
$580 - $625
1 吨 （最小起订量）
家电用镀锌钢
$563 - $604
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）
镀锌钢管
$570 - $610
1 吨 （最小起订量）
汽车用镀锌钢
$635 - $680
1 吨 （最小起订量）
DX52D电镀锌钢卷
$605 - $650
1 吨 （最小起订量）
产品详情
热浸镀锌钢管技术规格
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | Hot Dipped Galvanized Steel Pipe | 采用热浸镀工艺在碳钢管表面镀锌 |
| 基材 | Q235B / ASTM A53 / SS400 | 常用碳钢基材牌号 |
| 标准符合性 | ASTM A53, BS 1387, EN 10240, GB/T 3091 | 符合主要国际标准 |
| 制造工艺 | ERW / Seamless + Hot Dip Galvanizing | 焊接或无缝钢管经浸锌涂层处理 |
| 锌层厚度 | 65 - 610 g/m² | 依据 ASTM A123 / ISO 1461 要求 |
| 碳 (C) | ≤0.25% | 碳含量以保证可焊性 |
| 锰 (Mn) | ≤1.40% | 提高强度和硬度 |
| 磷 (P) | ≤0.045% | 控制以保证延展性 |
| 硫 (S) | ≤0.045% | 低硫以改善可焊性 |
| 抗拉强度 | ≥330 MPa | 依据 ASTM A53 Grade B 的最低抗拉强度 |
| 屈服强度 | ≥205 MPa | 最低屈服强度 |
| 延伸率 | ≥23% | 50mm 标距内的延展性 |
| 外径范围 | 21.3mm - 508mm (1/2'' - 20'') | 可选外径规格 |
| 壁厚 | 1.0mm - 16mm | 提供标准及定制厚度 |
| 长度 | 5.8m, 6m, 12m or custom | 标准及定制切割长度 |
| 表面处理 | Hot dipped galvanized, smooth zinc coating | 均匀光亮的银色外观 |
| 应用 | Water supply, scaffolding, fencing, structural, greenhouse | 典型应用行业 |
| 认证 | EN 10204 3.1, ISO 9001, SGS, BV | 提供质量认证 |
| 包装 | 钢带捆扎，端部塑料帽 | 标准海运出口包装 |
| MOQ | 5 tons | 最小起订量 |
热浸镀锌钢管 - 耐腐蚀结构管材
热浸镀锌钢管是一种碳钢管，通过在约450°C（842°F）的熔融锌中浸渍，在其表面覆盖一层保护性锌层，形成冶金结合的屏障，以抵御锈蚀和环境侵蚀。该工艺遵循ASTM A123/A123M-17标准，产生的镀层厚度通常在65至100 µm之间，使其成为户外结构框架、配水网络和工业围栏系统的首选。无论您需要用于土木工程的大直径桩管，还是用于商业管道的标准Schedule 40导管，我们的钢厂直供确保每批货物具有一致的锌附着力和尺寸精度。
什么是热浸镀锌钢管？
热浸镀锌钢管是指完全浸入熔融锌浴（按ASTM B6标准，锌含量最低98%）中的焊接或无缝碳钢管。浸渍引发铁锌合金反应，形成多个金属间化合物层——伽马、德尔塔、泽塔以及纯埃塔锌表面——从而提供牺牲阳极和屏障双重腐蚀防护。与电镀锌替代品不同，热浸法产生更厚、具有自修复能力的镀层，适用于恶劣的户外环境。
热浸镀锌钢管技术规格
我们的镀锌钢管按照ASTM A53/A53M-22 Grade B和BS EN 10255标准制造，具有以下关键参数：
| 性能 | 数值 / 范围 |
|---|---|
| 基材 | Q235B / ASTM A53 Gr. B 碳钢 |
| 屈服强度（最小值） | 240 MPa |
| 抗拉强度（最小值） | 415 MPa |
| 锌层重量 | 300–600 g/m²，符合 ASTM A123 |
| 外径 | 21.3 mm – 508 mm (½″ – 20″) |
| 壁厚 | 1.8 mm – 16 mm (SCH 20 – SCH 80) |
| 长度 | 标准 5.8 m、6 m 或 12 m；可定制切割 |
| 端部处理 | 平口、坡口或带接头的螺纹 |
镀锌钢管的典型应用
- 结构与脚手架：建筑框架、温室骨架、公路护栏
- 水与流体输送：市政供水、消防喷淋管线、灌溉系统
- 围栏与屏障：链环围栏立柱、牲畜围栏、周界安防
- 机械与通用工程：输送机支架、扶手、电缆导管
为什么选择我们的热浸镀锌钢管
每批次均按 ASTM A90/A90M 进行均匀性测试以验证锌层质量，并对焊接级别进行 5 MPa 静水压测试。我们持有 ISO 9001:2015 认证，每笔订单均随附完整的工厂测试证书（EN 10204 Type 3.1）。我们的自有螺纹加工和开槽生产线可实现成品管道组件的快速交付，降低您的现场人工成本。
常见问题
最小起订量（MOQ）是多少？
标准最小起订量为每种规格 5 公吨。对于涉及多种尺寸的项目采购，我们接受总计 10 吨起的组合订单。
你们提供材料测试证书吗？
是的。每批货物均附有 EN 10204 3.1 型工厂测试证书，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？
常备规格在 7–10 个工作日内发货。定制外径或非标长度需在订单确认后 20–30 天，具体取决于生产排期。
能否按定制尺寸切割？
当然可以。我们提供精密切割、螺纹加工（NPT/BSP）、开槽和坡口服务。公差符合 ASTM A53 第 11 节关于长度和端面垂直度的规定。
获取热浸镀锌钢管的竞争力报价
正在寻找镀锌结构管材的工厂竞争性价格？请提供您的所需规格——外径、壁厚、长度、镀层等级和数量——我们的技术销售团队将在 24 小时内提供详细报价。立即联系我们，洽谈批量折扣和灵活的运输条款，为您的下一个项目做好准备。
评分与评价
Wei Chen
Singapore
2025-08-31
Acceptable Galvanized Pipe Quality, Coating Variation Issue Resolved
Ordered 15 tons of hot dipped galvanized steel pipe, 76.1mm OD, 4mm wall, 6m lengths, for resale to a construction client in Indonesia. Coating weight on most pipes met the ASTM A123 specification at 300–350 g/m², but approximately 8% of pipes in one bundle tested below 290 g/m² on our incoming inspection. We raised this with the supplier immediately—they provided a re-inspection report within 48 hours and issued replacement pipes for the affected quantity at no additional freight cost for the shortfall. The resolution process was handled professionally and the replacement batch tested at 380 g/m². Delivery on the original order was 12 days. MTCs were complete and accurate. The coating inconsistency in one bundle is the reason for 3 stars; the after-sales handling was genuinely responsive. Will consider re-ordering if quality control on coating uniformity improves.
Chris Martin
Canada
2025-09-07
Reliable Galvanized Tubing for Scaffolding Rental Fleet Expansion
Sourced 30 tons of hot dipped galvanized steel pipe, 48.3mm OD, 3.2mm wall, 6m plain ends, for expanding our scaffolding rental inventory across Alberta job sites. Zinc coating weight averaged 395 g/m², which is adequate for Canadian outdoor exposure conditions. EN 10204 3.1 certificates were provided promptly and covered all required parameters. Dimensional accuracy was consistent—our QC team spot-checked 50 random pipes and all were within ASTM A53 tolerance. Lead time was 10 business days for stock sizes, which worked for our schedule. The only reason for 4 stars rather than 5 is that the quotation response took closer to 36 hours rather than the stated 24 hours, though the technical detail in the quote itself was thorough. Would order again for future fleet additions.
Carlos Silva
Brazil
2025-09-28
Good Value Galvanized Pipe for Irrigation Network, Minor Packaging Issue
Purchased 20 tons of hot dipped galvanized steel pipe, 2-inch (60.3mm) OD, Schedule 40, 6m threaded with coupling, for an agricultural irrigation system in Mato Grosso do Sul. Zinc coating weight was 360 g/m² per ASTM A123—acceptable for the inland application. Chemical composition on the MTC confirmed Q235B base material. Pricing was competitive; we got quotes from five suppliers and this was the second-lowest with the best documentation package. Delivery took 14 business days, slightly longer than the 7–10 day estimate, though the sales team communicated the delay proactively. Minor issue: three bundles had damaged outer wrapping on arrival, though the pipes themselves were unaffected. Supplier offered partial credit for the packaging concern, which was handled professionally. Overall good value and we are evaluating a follow-up order for Phase 2.
William Taylor
Australia
2025-10-16
Excellent Galvanized Pipe for Offshore Jetty Fencing and Handrail Systems
Ordered 12 tons of hot dipped galvanized steel pipe in mixed sizes—48.3mm and 60.3mm OD, SCH 40, 6m lengths with plain and beveled ends—for perimeter fencing and handrail systems on a commercial jetty in Fremantle. The hot dip process per ASTM A123 was well-documented, and coating weights ranged from 340–490 g/m² across the two sizes. Tensile strength on the 3.1 MTC came in at 438 MPa, above the 415 MPa minimum. We compared three Chinese mills before selecting this supplier based on documentation transparency and MOQ flexibility—the combined 10-ton mixed-dimension order option was exactly what we needed. Delivery to Fremantle port took 16 days total including freight. No coating damage on any pipe after unpacking. Solid supplier for marine-adjacent applications.
Ahmed Al-Hassan
UAE
2025-11-09
Premium Galvanized Structural Pipe for Highway Guardrail Installation
Placed a 35-ton order for hot dipped galvanized steel pipe, 168.3mm OD, 6mm wall, 12m lengths, beveled ends, for highway guardrail and barrier posts across a road infrastructure contract in Abu Dhabi. Coating weight certificates showed 510 g/m²—critical for coastal climate exposure. The intermetallic zinc layers were clearly visible on cut sections, confirming proper hot dip processing. Shipment arrived at Jebel Ali port in 13 days from order confirmation, which was ahead of the 7–10 day stock estimate due to our specific OD. Documentation package was complete: MTCs, packing list, and coating uniformity test reports. Our site supervisor confirmed no dimensional rejections during installation. This is the third project we've used this supplier for. Reliable source for large-volume structural galvanized pipe.
Hans Mueller
Germany
2025-12-01
Outstanding Galvanized Pipe Supply for Industrial Conveyor Infrastructure
We sourced 22 tons of hot dipped galvanized steel pipe (88.9mm OD, SCH 40, plain ends) for conveyor support frames at our production facility in Düsseldorf. Base material certified as ASTM A53 Grade B with yield strength measured at 268 MPa—exceeding the 240 MPa minimum. Zinc coating averaged 470 g/m², providing excellent corrosion barrier for our humid factory environment. The ISO 9001:2015 certification and full 3.1 MTCs gave our procurement team full confidence. Technical sales team responded to our specification queries within the same business day. Production lead time was 24 days for the custom 88.9mm dimension, which aligned with our project timeline. First order with this mill; quality met DIN expectations.
James Wilson
United Kingdom
2025-12-22
Superior Coating Uniformity on Galvanized Tubing for Greenhouse Framework
Purchased 18 tons of hot dipped galvanized steel pipe in 48mm and 60mm OD, wall thickness 2.5mm, 5.8m standard lengths for a large commercial greenhouse skeleton project in Yorkshire. Coating weight tested at 385 g/m² per ASTM A90/A90M—well above the minimum threshold. The EN 10204 Type 3.1 Mill Test Certificates were thorough, covering chemical composition, mechanical properties, and zinc adhesion. No delamination or bare spots observed on any section. Compared quotes from four suppliers before placing this order; the combination of technical documentation quality and pricing was the deciding factor. Delivery came in at 11 days. Our fabrication team noted the dimensional accuracy was excellent—OD tolerances were tight throughout.
Michael Johnson
United States
2026-01-07
Excellent Galvanized Pipe for Municipal Water Project
Ordered 28 tons of hot dipped galvanized steel pipe, 4-inch OD (114.3mm), Schedule 40, 6m lengths with threaded ends (NPT) for a municipal water distribution upgrade. Mill Test Certificates confirmed zinc coating weight at 420 g/m², fully compliant with ASTM A123. Hydrostatic test results at 5 MPa showed zero failures across all batches. Delivered in 9 business days, right within the promised window. The threading quality was clean and consistent—our installation crew had no fitment issues on-site. This is our second order with this supplier and the consistency between batches is impressive. Will continue sourcing galvanized structural tubing here for upcoming pipeline phases.
了解供应商
可定制
超低价
$720
1-49 吨
基准价
$688
50-99 吨
4.4% 优惠
$673
≥100 吨
6.5% 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
