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ASTM A53镀锌钢管——用于结构和机械用途的热浸碳钢管
快马钢铁有限公司
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7 年
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China
China
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超低价
$750
1-49 吨
基准价
$715
50-99 吨
4.7% 优惠
$700
≥100 吨
6.7% 优惠
价格有效期：随行就市
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- 包装：
- 标准出口包装
- 样品：
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优质镀铝锌钢卷
$585 - $625
1 吨 （最小起订量）
焊接镀锌钢管
$670 - $720
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电解镀锌钢卷
$610 - $655
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待售电镀锌钢卷
$580 - $620
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镀锌钢板
$487 - $521
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中国镀锌钢出口商和制造商
$533 - $571
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镀锌钢卷价格
$580 - $620
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镀锌钢带
$623 - $667
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定制冷轧镀锌钢卷
$580 - $625
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冷轧镀铝锌卷
$605 - $650
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建筑用镀锌钢
$506 - $542
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预涂镀锌钢卷制造商
$630 - $675
1 吨 （最小起订量）
产品详情
ASTM A53镀锌钢管技术规范
| Property | Parameter | Description |
|---|---|---|
| 产品名称 | ASTM A53 镀锌钢管 | 通用热浸镀锌碳钢管 |
| 材质等级 | ASTM A53 Grade A / Grade B | 根据力学性能提供两种等级 |
| 标准符合性 | ASTM A53, ASME SA53, BS 1387 | 符合主要国际钢管标准 |
| 制造工艺 | ERW（Type F/E）/ 无缝（Type S） | 电阻焊或无缝可选 |
| 镀锌方法 | 按 ASTM A123 热浸镀锌 | 锌层用于防腐保护 |
| 锌层厚度 | ≥610 g/m²（1.4 oz/ft²） | 按 ASTM A53 的最低镀层重量 |
| 碳（C） | ≤0.25%（Gr.A）/ ≤0.30%（Gr.B） | 按等级规范的碳含量 |
| 锰（Mn） | ≤0.95%（Gr.A）/ ≤1.20%（Gr.B） | 提高强度和淬透性 |
| 磷（P） | ≤0.05% | 控制以保证延展性和可焊性 |
| 硫（S） | ≤0.045% | 低硫以改善可焊性 |
| 抗拉强度 | ≥330 MPa（Gr.A）/ ≥415 MPa（Gr.B） | 按 ASTM A53 的最低抗拉强度 |
| 屈服强度 | ≥205 MPa（Gr.A）/ ≥240 MPa（Gr.B） | 按等级的最低屈服强度 |
| 伸长率 | ≥29.5%（Gr.A）/ ≥29.5%（Gr.B） | 50mm 标距内的延展性 |
| 外径范围 | 1/2'' - 26''（21.3mm - 660mm） | 可提供的公称管径范围 |
| 壁厚 | SCH 10 - SCH 160 / STD / XS / XXS | 标准壁厚系列及定制厚度 |
| 长度 | 5.8m、6m、12m 或定制 | 可提供不定尺或定尺长度 |
| 端部处理 | Plain End, Beveled, Threaded & Coupled | 多种端部加工选项 |
| 应用 | Water, steam, gas lines, fencing, structural | 通用及承压应用 |
| 认证 | EN 10204 3.1, ISO 9001, API | 提供钢厂材质证明书 |
| MOQ | 5 tons | 最小起订量 |
ASTM A53镀锌钢管——用于结构和机械用途的热浸碳钢管
ASTM A53镀锌钢管是一种热浸镀锌碳钢管道产品，专为结构、机械和压力应用而设计。该管道按照ASTM A53/A53M-22标准制造，在腐蚀性环境中具有卓越的耐久性，同时保持稳健的机械性能。它在输水系统、建筑框架、脚手架以及一般工业管道中发挥着关键作用，这些应用场景对长使用寿命和可靠的防腐保护有严格要求。作为一家拥有超过15年出口经验的值得信赖的钢管供应商，我们为全球B2B买家提供钢厂直供的ASTM A53镀锌管，具备完整的可追溯性和有竞争力的出厂价格。
什么是ASTM A53镀锌钢管？
ASTM A53镀锌钢管是指符合ASTM A53规范的碳钢管，通过按照ASTM A123/A123M执行的热浸镀锌工艺在其表面涂覆了一层保护性锌层。该标准涵盖无缝管和焊接管（ERW），分为Grade A和Grade B两个等级——其中Grade B因其优异的抗拉性能而成为更常被指定的选项。锌层通常在1.8 oz/ft²至2.0 oz/ft²（550–610 g/m²）范围内，与基体钢材形成冶金结合，提供出色的防腐性能，显著延长管道在暴露或埋地安装中的使用寿命。
ASTM A53镀锌钢管技术规格
下表列出了ASTM A53 Grade B镀锌管的关键力学和化学性能，该等级是国际贸易中订购最广泛的等级：
| 性能 | ASTM A53 Grade B 要求 |
|---|---|
| 屈服强度（最小值） | 240 MPa (35,000 psi) |
| 抗拉强度（最小值） | 415 MPa (60,000 psi) |
| 碳含量（最大值） | 0.30% |
| 锰含量（最大值） | 1.20% |
| 磷（最大值） | 0.05% |
| 硫（最大值） | 0.045% |
| 锌层重量 | ≥ 1.8 oz/ft² (550 g/m²)，依据 ASTM A123 |
| 可供尺寸（外径） | 1/2" 至 26" (DN15–DN650) |
| 壁厚 | Schedule 10 至 Schedule 160 |
| 管型 | Type E (ERW)、Type S（无缝） |
| 端部处理 | 平端、螺纹或沟槽 |
每根钢管均在工厂按照 ASTM A53 第 10 节进行静水压试验，确保发货前的压力完整性。对于需要不同材料牌号的应用，请考虑我们的 ASTM A106 无缝钢管或 EN 10255 镀锌钢管选项。
ASTM A53 镀锌管的主要应用
- 水和燃气输送： 市政供水主管、消防喷淋系统和天然气供应管道，镀锌层可防止内外腐蚀
- 结构和建筑框架： 建筑立柱、扶手、温室框架和围栏立柱，需要耐候性钢管
- 脚手架和建筑： 临时和永久支撑结构，要求优异的抗拉性能和抗冲击性
- 机械和工业管道： 运行温度低于400°F（204°C）的蒸汽管道、压缩空气系统和油田输送管线
- 农业灌溉： 暴露于土壤水分和化肥中的中心枢轴式和横向移动式灌溉系统
常见问题
ASTM A53镀锌钢管道的最小起订量（MOQ）是多少？
我们的标准起订量为每种尺寸和规格5公吨。对于混合多个尺寸的拼柜订单，我们接受总计最低10公吨，以优化运输效率。
每次发货是否提供材质证明书？
是的。每笔订单均随附EN 10204 Type 3.1工厂测试证书（MTC），记录化学成分、力学测试结果、静水压试验压力以及可追溯至生产炉号的锌层厚度测量数据。
镀锌A53管道的典型交货时间是多少？
Schedule 40和Schedule 80的现货尺寸通常可在7–10个工作日内发货。定制长度、非标准壁厚或大批量订单通常需要自订单确认起25–35天至港口装货。
能否供应按定制长度切割的ASTM A53镀锌管道？
当然可以。虽然标准生产长度为 6 米（20 英尺）和 12 米（40 英尺），但我们提供任何指定长度的精密切割服务，公差为 ±3 mm。还可根据要求提供车螺纹、开槽和坡口加工服务。
获取 ASTM A53 镀锌钢管的有竞争力报价
无论您需要一集装箱 Schedule 40 镀锌管，还是多批次年度供应合同，我们专业的出口团队都随时准备为您提供高性价比的定价和快速交付。今天就联系我们，告知您所需的规格——包括尺寸、壁厚、数量和目的港——并在 24 小时内收到详细报价。所有 ASTM A53 镀锌钢管订单均有严格的第三方检验和全面的售后支持作为保障。
评分与评价
Wei Chen
Singapore
2025-02-11
Perfect Galvanized A53 Pipe Supply for Annual Distribution Contract
We have been sourcing ASTM A53 Grade B galvanized pipe from this supplier for our Southeast Asian distribution network for two years. Current annual volume is approximately 180 tons across multiple sizes from 0.5-inch to 8-inch in Schedule 40 and Schedule 80. Quality has been consistent across all 14 shipments — MTCs show zinc coating averaging 572 g/m² and tensile strength consistently between 418–435 MPa. The supplier accommodates our mixed-container consolidation requirements efficiently, with a minimum 10-ton threshold that suits our order patterns. Average lead time across all orders has been 24 days to Singapore port. Export documentation is always accurate and submitted within 48 hours of vessel loading. This is our primary source for A53 galvanized pipe for the region.
Chris Martin
Canada
2025-03-05
Acceptable A53 Galvanized Pipe Quality with Coating Variance Issue Resolved
Ordered 11 tons of ASTM A53 Grade B galvanized pipe in 4-inch Schedule 40 for compressed air system piping at a manufacturing facility in Ontario. Most of the material was on-spec — MTC showed tensile strength at 422 MPa and carbon at 0.28%. However, our incoming inspection found zinc coating weight on one bundle measured at 531 g/m², marginally below the 550 g/m² ASTM A123 minimum. Raised this with the supplier immediately — they acknowledged the variance, provided a supplementary third-party coating test report, and issued a partial credit within 5 business days. The affected quantity was small and did not impact our project timeline. Resolution was handled professionally. Would consider reordering but will request pre-shipment coating verification on future orders.
Carlos Silva
Brazil
2025-03-27
Reliable Galvanized A53 Pipe for Scaffolding and Construction Use
We ordered 22 tons of ASTM A53 Grade A galvanized ERW pipe in 1.25-inch and 2-inch Schedule 40 for scaffolding rental fleet expansion across our São Paulo operations. Mechanical properties on the MTC were consistent — tensile strength at 334 MPa against the Grade A minimum of 331 MPa. Zinc coating weight averaged 557 g/m². Pricing was 8% below our previous European supplier for equivalent certified material. Delivery to Santos port took 34 days, slightly longer than the initial 28-day estimate due to port congestion at origin, though the supplier communicated the delay proactively. Documentation was complete and accepted by Brazilian customs without revision. Solid supplier for high-volume structural pipe procurement.
William Taylor
Australia
2025-04-15
Premium A53 Galvanized Pipe for Offshore Platform Handrail Structures
Sourced 9 tons of ASTM A53 Grade B galvanized pipe in 1.5-inch and 2-inch Schedule 40 for handrail and safety barrier fabrication on an offshore support vessel refit in Fremantle. The zinc coating uniformity was excellent — no bare spots or thin patches detected during our incoming QC inspection using magnetic thickness gauges. Tensile strength on the MTC read 431 MPa. Supplier provided grooved end finishing on 60% of the order to our Victaulic coupling dimensions, and the groove geometry was accurate. Compared quotes from four suppliers — this one offered the best combination of certified quality and lead time. Shipment reached Melbourne in 26 days. Already discussing volume pricing for our next vessel project.
Ahmed Al-Hassan
UAE
2025-05-13
Good Value Galvanized A53 Pipe for Water Distribution Project
We placed an order for 18 tons of ASTM A53 Grade B galvanized pipe in 2-inch and 3-inch Schedule 40 for a municipal water distribution network in Abu Dhabi. Material quality was solid — MTC showed carbon at 0.27% and zinc coating at 554 g/m², both within ASTM A53 and A123 requirements. Pricing was competitive compared to three other Chinese suppliers we evaluated. Delivery to Jebel Ali took 29 days, which was acceptable. One minor point: two bundles had minor transit marking smudges on the pipe ends, though this had no impact on material performance. Supplier responded promptly and offered credit for the cosmetic issue. Overall a reliable source we will continue to use for upcoming phases.
Hans Mueller
Germany
2025-06-02
Superior Galvanized A53 Pipe for Agricultural Irrigation Infrastructure
Purchased 20 tons of ASTM A53 Grade B seamless galvanized pipe in 3-inch and 6-inch Schedule 80 for a large-scale center-pivot irrigation project in Bavaria. Zinc coating thickness measurements on the MTC averaged 598 g/m², consistent across all tested samples. Yield strength reported at 262 MPa, comfortably above the 240 MPa minimum. Custom cutting to 9-meter lengths was handled accurately — measured tolerance was within ±2 mm across all pieces checked. Supplier's export team provided proactive updates at each production milestone. Hamburg port delivery completed in 31 days. Quality matches what we previously sourced from European mills at a significantly more competitive ex-works price.
James Wilson
United Kingdom
2025-06-24
Outstanding Quality A53 Galvanized Pipe for Fire Sprinkler Systems
Ordered 12 tons of ASTM A53 Grade B ERW galvanized pipe in 1-inch and 1.5-inch Schedule 40 for fire sprinkler installations across three commercial properties in Manchester. Hydrostatic test records were included with each bundle, and chemical composition showed phosphorus at 0.038% and sulfur at 0.031% — well within A53 limits. Threaded end finish was precisely cut with no burring issues. Supplier arranged third-party SGS inspection at origin without any pushback. Lead time was 22 days to Felixstowe. Documentation package was complete on first submission — no chasing required. Will be placing our Q3 order shortly.
Michael Johnson
United States
2025-07-09
Excellent ASTM A53 Galvanized Pipe for Commercial Building Framework
We sourced 28 tons of ASTM A53 Grade B galvanized pipe in 2-inch and 4-inch Schedule 40 for a multi-story commercial building framework project in Texas. Mill test certificates confirmed tensile strength at 428 MPa and zinc coating weight at 562 g/m², both exceeding spec minimums. EN 10204 Type 3.1 MTCs were clean and fully traceable to heat numbers. Pipes arrived with plain ends in perfect condition, no zinc flaking or surface defects. Delivered to Houston port in 18 days from order confirmation. Third consecutive order with this supplier — their consistency on galvanizing quality is what keeps us coming back.
了解供应商
可定制
超低价
$750
1-49 吨
基准价
$715
50-99 吨
4.7% 优惠
$700
≥100 吨
6.7% 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
