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焊接镀锌钢管 - 工业应用高强度耐腐蚀管材
快马钢铁有限公司
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7 年
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China
China
可定制
超低价
$720
1-49 吨
基准价
$685
50-99 吨
4.9% 优惠
$670
≥100 吨
6.9% 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
镀锌结构钢
$579.08 - $620
1 吨 （最小起订量）
户外建筑用镀锌钢
$665 - $712
1 吨 （最小起订量）
冷轧电镀锌卷
$605 - $650
1 吨 （最小起订量）
镀铝锌钢卷
$580 - $620
1 吨 （最小起订量）
镀锌钢卷价格
$580 - $620
1 吨 （最小起订量）
镀锌钢板
$487 - $521
1 吨 （最小起订量）
AZ100镀铝锌钢卷
$605 - $650
1 吨 （最小起订量）
镀锌钢管出口商
$650 - $695
1 吨 （最小起订量）
镀锌钢带
$623 - $667
1 吨 （最小起订量）
电镀锌钢卷
$575 - $615
1 吨 （最小起订量）
电镀锌钢卷供应商
$605 - $650
1 吨 （最小起订量）
DX51D 镀锌钢卷
$460 - $490
1 吨 （最小起订量）
产品详情
焊接镀锌钢管技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 焊接镀锌钢管 | 带热浸镀锌层的 ERW 碳钢管 |
| 基材牌号 | Q235B / ASTM A53 Grade B / SS400 | 国际等效牌号 |
| 标准符合性 | ASTM A53, BS 1387, EN 10255, GB/T 3091 | 符合主要国际标准 |
| 制造工艺 | ERW（电阻焊） | 高频焊接纵向焊缝 |
| 镀锌方法 | 热浸镀锌（HDG） | 依据 ASTM A123 / ISO 1461 |
| 锌层厚度 | 60 - 100 µm | 相当于 275 - 610 g/m² |
| 碳（C） | ≤0.25% | 为保证可焊性的碳含量 |
| 锰（Mn） | ≤1.35% | 提高强度和韧性 |
| 磷（P） | ≤0.035% | 为延展性而控制 |
| 硫（S） | ≤0.035% | 低硫以保证焊接质量 |
| 抗拉强度 | ≥330 MPa | 依据 ASTM A53 的最小抗拉强度 |
| 屈服强度 | ≥205 MPa | 最小屈服强度 |
| 伸长率 | ≥25% | 50mm 标距内的延展性 |
| 外径范围 | 21.3mm - 219.1mm (1/2'' - 8'') | 可选外径规格 |
| 壁厚 | 1.0mm - 8.0mm | 标准及定制厚度 |
| 长度 | 5.8m, 6m, 12m 或定制 | 提供标准及定制长度 |
| 应用 | 供水、围栏、脚手架、结构支撑 | 典型应用场景 |
| 认证 | EN 10204 3.1, ISO 9001, API 5L | 提供的质量认证 |
| 包装 | 用钢带捆扎，两端加塑料帽 | 标准出口包装 |
| MOQ | 5 吨 | 最小起订量 |
焊接镀锌钢管 - 工业应用高强度耐腐蚀管材
焊接镀锌钢管是一种通过 ERW（电阻焊）或螺旋焊接工艺制造的热浸镀锌碳钢管，为建筑、输水和一般工业管道系统提供卓越的防腐性能和坚固的结构完整性。根据 ASTM A123/A123M，锌层厚度范围为 65 至 100 μm，该管材是在潮湿、户外或轻度腐蚀环境中要求长使用寿命的项目的首选。无论您需要标准结构件还是定制长度的流体输送管线，我们的钢厂直供镀锌焊接管都提供具有工厂竞争力的价格和完整的可追溯性文件。
什么是焊接镀锌钢管？
焊接镀锌钢管是指一种碳钢管——通常由 Q235B、ASTM A53 Grade B 或 SS400 基材生产——在焊缝成型后进行热浸镀锌。约 450°C 的熔融锌浴形成冶金结合的镀层，保护钢基体免受氧化和大气腐蚀，在中等条件下将管道的使用寿命延长至 20–30 年。
焊接镀锌钢管技术规格
我们的镀锌焊接管材按照 ASTM A53/A53M-22、BS 1387:1985 和 EN 10255:2004 制造。下表列出了关键参数：
| 参数 | 范围 / 数值 |
|---|---|
| 外径 | 21.3 mm – 508 mm (½″ – 20″) |
| 壁厚 | 1.0 mm – 16 mm |
| 长度 | 5.8 m、6 m、12 m 或定制切割 |
| 锌层重量 | ≥ 300 g/m² (ASTM A53 Class B) |
| 屈服强度 (A53 Gr. B) | ≥ 240 MPa |
| 抗拉强度 (A53 Gr. B) | ≥ 415 MPa |
| 静水压试验压力 | 按 ASTM A53 第 10 节 |
镀锌焊接钢管的主要应用
- 给排水系统 – 镀锌内壁可抵抗水垢积聚和轻度化学侵蚀
- 结构脚手架和温室框架 – 卓越的机械强度与户外耐候性
- 围栏立柱和扶手 – 暴露安装环境下免维护的表面处理
- 消防喷淋管道 – 符合 NFPA 13 对镀锌管道系统的要求
- HVAC 风管支架 – 轻质且坚固的机械系统框架构件
为什么选择我们的镀锌焊接钢管
每批焊接镀锌钢管均随附 EN 10204 Type 3.1 工厂测试证书，涵盖化学成分、力学性能和锌层厚度。我们的生产线配备符合 ASTM E273 的在线超声波焊缝检测，所有钢管均通过 ASTM A53 第 9 节规定的压扁试验。凭借 ISO 9001:2015 认证的质量管理体系以及超过 200,000 公吨的年产量，我们为大型基础设施和 OEM 采购项目提供稳定的供应。
常见问题
最小起订量（MOQ）是多少？
标准规格每份订单起订量为5公吨。对于非标准外径或壁厚组合，通常的最小起订量为10公吨，以便安排专门的轧制计划。
你们提供材质检测证书吗？
是的。每批货物均附有EN 10204 Type 3.1 MTC，详细列明化学成分分析、抗拉和屈服值、锌层重量以及可追溯至具体炉号的水压试验结果。
典型的交货时间是多久？
常见直径（1″–4″）的现货商品在7–10个工作日内发货。定制订单或大批量合同通常需要自订单确认起20–30天达到出厂状态。
你们可以按定制尺寸切割吗？
当然可以。我们提供0.5米至12米的精密切割服务，公差为±3毫米，并可选择坡口端、按ANSI/ASME B1.20.1进行螺纹加工，或为机械联轴器进行沟槽制备。
获取焊接镀锌钢管的竞争力报价
正在寻找运送到您项目现场或港口的镀锌焊接管的高性价比定价？请分享您的所需规格——外径、壁厚、长度、锌层等级和年用量——我们的技术销售团队将在12小时内回复详细报价，包括可用的运输条款（FOB、CFR、CIF）以及根据您的物流需求量身定制的包装方案。
评分与评价
Robert Brown
United Kingdom
2025-02-28
Acceptable Galvanized Pipe Quality, Coating Variance Flagged and Resolved
Ordered 10 tons of galvanized welded pipe, 4-inch OD, 3.6mm wall, 6m lengths for a drainage support structure project in Leeds. Most of the batch performed well and the 3.1 MTCs were complete. However, our inspector found that roughly 15 pipes in one bundle showed zinc coating readings between 58–63μm, slightly below the 65μm lower bound specified. We raised this with the supplier immediately—they reviewed the inspection records, acknowledged the variance in that specific bundle, and arranged a partial replacement shipment within 11 days at no additional freight cost. The replacement pipes measured consistently above 80μm. Resolution was handled professionally. We would consider ordering again but will request bundle-level coating inspection records upfront next time.
Wei Chen
Singapore
2025-03-21
Excellent Fire Sprinkler Galvanized Pipe, NFPA 13 Compliant
Sourced 16 tons of galvanized welded steel pipe for fire sprinkler system installation across a logistics warehouse complex in Singapore. Specified 1-inch and 1.5-inch NPS, Schedule 40, with groove preparation for mechanical couplings. The supplier confirmed NFPA 13 compliance in writing and provided hydrostatic test pressure records per ASTM A53 Section 10 for every heat. Groove dimensions were checked against Victaulic coupling specs and fit was correct throughout. Mill test certificates were issued as EN 10204 Type 3.1 with full chemical composition trace. Response time on our technical queries averaged under 6 hours across three rounds of clarification. Shipment reached Singapore port in 19 days on a CIF basis. Recommending to our regional project partners.
Carlos Silva
Brazil
2025-04-13
Reliable Galvanized Tubing for Industrial Fence Post Program
Purchased 22 tons of galvanized welded pipe, 60.3mm and 76.1mm OD, 2.5mm wall, 2.5m custom lengths for a perimeter fencing program at an industrial facility in Recife. Mechanical properties on the MTC matched ASTM A53 Grade B requirements closely—tensile at 421 MPa. Flattening test results were documented and passed without cracking. Custom cut lengths were accurate to ±2.5mm. The only minor note is that lead time stretched to 26 days against the 20-day estimate due to port congestion at origin, though the supplier kept us updated throughout. Pricing was 9% below the two other Chinese mills we quoted. Would use again for upcoming expansion phases.
William Taylor
Australia
2025-05-01
Premium Galvanized Welded Pipe for Jetty Handrail Installation
Ordered 12 tons of galvanized welded steel pipe, 2-inch NPS Schedule 40, threaded to ANSI/ASME B1.20.1 at both ends, for handrail and safety barrier installation on three commercial jetties in Queensland. The threading precision was excellent—fittings engaged cleanly with no cross-threading across the entire consignment. Zinc coating thickness measured 88–96μm via spot checks, well within the 65–100μm specified range. EN 10204 3.1 certificates arrived digitally within 24 hours of shipment, which streamlined our project documentation submission to the port authority. Delivery to Fremantle port took 22 days CFR. This is our second order and we have already submitted specifications for a third covering fence post sections.
Ahmed Al-Hassan
UAE
2025-05-20
Good Value Galvanized Pipe for Scaffolding, Minor Packaging Issue
Placed an order for 35 tons of galvanized welded scaffolding tube, 48.3mm OD, 3.2mm wall, 6m lengths to EN 10255 medium series, for a high-rise construction project in Abu Dhabi. Material quality was solid—yield strength confirmed at 255 MPa and zinc coating averaged 305 g/m² per the 3.1 MTC. Price was notably competitive versus local UAE distributors. One point of feedback: around 8% of the bundles arrived with minor plastic end-cap displacement during sea transit, exposing pipe ends to salt air. No rust was observed but we flagged this to the sales team. They acknowledged the issue and offered reinforced strapping on our next order. Overall good value for a large-volume scaffolding contract.
Hans Mueller
Germany
2025-06-02
Superior Galvanized ERW Tubing for HVAC Support Structures
We sourced 18 tons of galvanized ERW steel pipe, 48.3mm and 60.3mm OD, 2.9mm wall, custom cut to 2.4m lengths with bevel ends, for mechanical room framing across a commercial HVAC installation in Düsseldorf. Dimensional tolerances on the cut lengths were within ±2mm—better than the ±3mm stated. Inline ultrasonic weld inspection records were included in the shipment documentation alongside the ISO 9001 certificate. Zinc coating adhesion was verified on-site with a magnetic thickness gauge averaging 92μm. Lead time from order confirmation to ex-works was 18 days for this non-standard cut. Competitive pricing compared to two European stockists we approached.
James Wilson
United Kingdom
2025-06-24
Outstanding Galvanized Pipe Supply for Municipal Water Infrastructure
Procured 45 tons of hot-dip galvanized welded pipe, DN100 and DN150, wall thickness 4.0mm, to BS 1387:1985 Heavy grade for a council water mains upgrade in the West Midlands. The mill test certificates clearly documented zinc coating at 310 g/m² and tensile strength at 428 MPa—both exceeding project specification minimums. Hydrostatic test records were traceable to individual heat numbers, which our site engineer specifically required. Technical sales team responded to our RFQ with a full breakdown within 8 hours. Shipment arrived at Felixstowe port 3 days ahead of the CIF schedule. Will be tendering our next drainage contract through this supplier.
Michael Johnson
United States
2025-07-09
Excellent Galvanized Welded Pipe for Greenhouse Framing Project
Ordered 28 tons of galvanized welded steel pipe in 2-inch and 3-inch OD, 3.2mm wall thickness, 6m lengths for a large-scale greenhouse frame installation in Texas. The zinc coating weight came in at 320 g/m² per the EN 10204 Type 3.1 MTC, comfortably above the ASTM A53 Class B minimum. Weld seam uniformity was consistent across the entire batch—no visible porosity or undercut. Delivery completed in 9 business days, one day ahead of the quoted window. We compared pricing from four domestic distributors and this mill-direct quote came in 12% lower. Third order with this supplier and quality has been consistent throughout.
了解供应商
可定制
超低价
$720
1-49 吨
基准价
$685
50-99 吨
4.9% 优惠
$670
≥100 吨
6.9% 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
