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焊接钢管供应商 - 高品质碳钢和不锈钢管
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
$620
1-49 吨
基准价
$595
50-99 吨
4% 优惠
$580
≥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
API 5L 螺旋管
$575 - $620
1 吨 （最小起订量）
直缝焊接钢管
$570 - $610
1 吨 （最小起订量）
焊接钢管
$610 - $655
1 吨 （最小起订量）
API 5L X42 螺旋管
$580 - $620
1 吨 （最小起订量）
碳钢焊接钢管
$580 - $620
1 吨 （最小起订量）
焊接钢管制造商
$605 - $650
1 吨 （最小起订量）
焊接钢管供应商
$580 - $620
1 吨 （最小起订量）
API 5l 焊接钢管
$570 - $610
1 吨 （最小起订量）
ASTM a53焊接钢管
$670 - $720
1 吨 （最小起订量）
产品详情
焊接钢管技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 焊接钢管 | 通过焊接工艺生产的碳钢管 |
| 材质等级 | ASTM A53 Gr.B / API 5L Gr.B / EN 10219 S235JRH | 国际等效等级 |
| 制造工艺 | ERW、LSAW、SSAW | 电阻焊、直缝埋弧焊和螺旋埋弧焊 |
| 标准符合性 | ASTM A53、ASTM A500、API 5L、EN 10219、BS 1387 | 符合主要国际标准 |
| 碳（C） | ≤0.26% | 根据 ASTM A53 Gr.B 的碳含量 |
| 锰（Mn） | ≤1.20% | 提高强度和淬透性 |
| 磷（P） | ≤0.035% | 为保持延展性而受控 |
| 硫（S） | ≤0.035% | 低硫以改善焊接性 |
| 抗拉强度 | ≥415 MPa | 根据 ASTM A53 Gr.B 的最小抗拉强度 |
| 屈服强度 | ≥240 MPa | 最小屈服强度 |
| 伸长率 | ≥22% | 50mm 标距内的延展性 |
| 外径范围 | 21.3mm - 2540mm | ERW/LSAW/SSAW 可用的外径选项 |
| 壁厚 | 0.8mm - 40mm | 可提供标准和定制厚度 |
| 长度 | 5.8m - 12m 或定制 | 标准和定制长度 |
| 表面处理 | 黑管、镀锌、防腐涂层、涂漆 | 多种表面处理选项 |
| 应用 | 建筑、输水、石油和天然气、结构支撑 | 典型应用行业 |
| 认证 | EN 10204 3.1、ISO 9001、API 5L、CE | 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 |
焊接钢管供应商 - 高品质碳钢和不锈钢管
作为专业的焊接钢管供应商，我们提供由碳钢和不锈钢牌号制造的 ERW、LSAW 和 SSAW 钢管，服务于全球基础设施、能源和工业建筑领域。我们的生产线严格按照 ASTM A53、API 5L 和 EN 10219 标准运行，确保每根钢管都满足严格的尺寸公差和力学性能要求。无论您需要用于建筑框架的结构管材，还是用于流体输送的管线管，我们的钢厂直供供应链都能提供具有工厂竞争力的价格和完整的可追溯性文件。
什么是焊接钢管？
焊接钢管是将钢板或钢带卷成圆柱形，并通过电阻焊（ERW）、埋弧焊（SAW）或螺旋焊接工艺将边缘连接而成的管状产品。与无缝管不同，焊接钢管在大直径和一致壁厚方面具有成本效益高的生产优势，使其成为结构、机械和流体输送应用的首选。
焊接钢管技术规格
我们的焊接钢管范围涵盖外径从 21.3 mm 到 2540 mm，壁厚从 1.0 mm 到 40 mm。主要材料牌号包括：
| 标准 | 牌号 | 屈服强度（最小值） | 抗拉强度（最小值） |
|---|---|---|---|
| ASTM A53/A53M | Grade B | 240 MPa | 415 MPa |
| API 5L PSL1 | X42–X70 | 290–485 MPa | 415–565 MPa |
| EN 10219-1 | S235JRH–S355J2H | 235–355 MPa | 360–510 MPa |
| ASTM A312 | TP304/TP316L | 170–205 MPa | 485–515 MPa |
所有钢管均按照 ASTM A530/A530M 进行静水压试验，并进行无损检测（NDE），包括超声波检测，以 100% 的检验率验证焊缝完整性。
为什么选择我们作为您的焊接钢管供应商
- 全面的库存： 超过 15,000 公吨的焊接钢管现货，涵盖碳钢、不锈钢和合金钢牌号，包括 ERW、LSAW 和 SSAW 类型。
- 认证质量体系： 通过 ISO 9001:2015 认证的工厂，每批货物均按照 EN 10204 Type 3.1 出具材质证明书（MTC）。
- 增值加工： 内部切割、坡口、涂层（3LPE/3LPP/FBE）和镀锌服务，降低您的采购复杂度。
- 全球物流经验： 已建立向 40 多个国家的出口业务，提供灵活的包装方式——捆装、散装或集装箱装载。
常见问题
最小起订量（MOQ）是多少？
我们焊接钢管的标准最小起订量为每个尺寸和牌号 5 公吨。可根据要求提供混合多个规格的拼柜订单。
你们提供材质证明书吗？
是的。每份订单均随附符合 EN 10204 Type 3.1 的原始材质证明书，涵盖化学成分、力学性能和 NDE 结果。
典型的交货时间是多久？
现货商品在5–7个工作日内发货。定制生产的焊接管订单，包括特殊长度或涂层，通常需要15–25个工作日，具体取决于数量和规格。
你们可以按定制尺寸切割吗？
当然可以。我们提供0.5 m至18 m固定长度的精密切割，以及按ASME B16.25标准进行30°或37.5°坡口加工，以便现场焊接。
获取焊接钢管的竞争力报价
准备从一家提供钢厂直销价格的可靠供应商采购焊接钢管了吗？今天就联系我们的销售团队，提供您所需的规格——包括牌号、直径、壁厚和数量——并在24小时内收到详细报价。我们期待以可靠的产品和及时的服务支持您的下一个项目。
评分与评价
Robert Brown
United Kingdom
2025-09-17
Acceptable EN 10219 S235JRH ERW Tubes — Delivery Delay Resolved
Ordered 12 tons of EN 10219 S235JRH ERW circular hollow sections, OD 101.6mm, wall thickness 4mm, cut to 3m lengths for a light structural application. Material quality itself was fine — MTC showed mechanical properties within standard and dimensional checks on 20 sampled pieces passed our incoming inspection. The issue was delivery: stock items were quoted at 5–7 business days but actual dispatch took 11 business days due to a loading schedule conflict at the warehouse. After raising this with the sales team, they arranged expedited freight at no extra cost and provided a formal explanation. The pipe arrived in good condition with no handling damage. Quality of product is acceptable; the logistics coordination needs improvement for time-sensitive orders.
Wei Chen
Singapore
2025-10-05
Excellent API 5L X60 Line Pipe Supply for Regional Distribution
Acting as a trading intermediary, we placed a 350-ton order of API 5L PSL2 X60 LSAW line pipe, OD 762mm, wall thickness 9.5mm, for an end client in Southeast Asia. Full traceability documentation was critical for our client's project engineer — heat numbers, pipe numbers, and MTC data were provided in both hard copy and digital format. NDE results including ultrasonic and hydrostatic test records were complete for every pipe. The supplier accommodated a split shipment across two vessels to meet our client's site storage constraints. Response time from our RFQ to formal quotation was under 20 hours. This level of documentation control and logistics flexibility is why we continue to use this supplier for regional projects.
Carlos Silva
Brazil
2025-10-27
Reliable ASTM A53 Grade B ERW Carbon Steel Pipes for Industrial Piping
Sourced 25 tons of ASTM A53 Grade B ERW pipe in mixed sizes — OD 60.3mm to 114.3mm, wall thickness 3.91mm to 6.02mm — for a factory expansion project in São Paulo. Mixed container order combining 4 specifications was handled without issues, which not all suppliers accommodate at this MOQ level. MTC documentation was complete and chemical composition results were within standard limits. Delivery to Santos port took 24 working days, slightly longer than the 15–25 day range due to a public holiday period, but we were informed proactively. Pricing was 11% below our previous supplier for equivalent ASTM A53 material. Will evaluate for future orders based on this experience.
William Taylor
Australia
2025-11-18
Premium ASTM A53 Grade B ERW Pipes for Offshore Support Structure
Ordered 30 tons of ASTM A53 Grade B ERW pipe, OD 219.1mm, wall thickness 8.18mm, for jacket support structures on a platform project off the Western Australian coast. Yield strength on the MTC came in at 278 MPa against the 240 MPa minimum — good headroom for our structural calculations. We requested ultrasonic weld seam inspection reports separately and they were provided without additional charge. Galvanizing service was also used for 8 tons of smaller diameter sections — coating thickness averaged 92 microns per AS/NZS 4680. This is our second order with this supplier. Pricing is competitive versus local distributors, and the 3.1 certificates are accepted directly by our certifying authority.
Ahmed Al-Hassan
UAE
2025-12-11
Superior API 5L X52 SSAW Pipes for Water Transmission
Placed an order for 200 tons of API 5L PSL1 X52 SSAW pipes, OD 1016mm, wall thickness 10mm, with FBE internal coating for a municipal water supply pipeline in Abu Dhabi. Hydrostatic test certificates were provided per ASTM A530, with test pressure records for each pipe length. The FBE coating thickness averaged 420 microns across sample checks, meeting our project specification of 400 microns minimum. Containerized loading was well-organized — no pipe end damage on arrival. Lead time was 22 working days for this custom-produced order. Documentation package including packing list, MTC, and coating inspection report was complete and accepted by our client engineer without revision requests.
Hans Mueller
Germany
2025-12-27
Good Value ASTM A312 TP316L Welded Pipe for Chemical Plant
Purchased 18 tons of ASTM A312 TP316L stainless steel welded pipe, OD 168.3mm, wall thickness 6mm, for a chemical processing facility in Cologne. Chemical composition on the MTC showed carbon at 0.018% — well within the 0.03% max for L-grade. Price was approximately 8% lower than our previous European supplier for comparable specification. Minor point: one bundle had slight surface scratching on the outer diameter, likely from handling during transit. Supplier responded within 4 hours and provided a partial credit without dispute. Overall quality meets our process requirements and we would consider ordering again for future projects.
James Wilson
United Kingdom
2026-01-02
Excellent EN 10219 S355J2H ERW Tubes for Steel Frame Construction
Sourced 45 tons of EN 10219-1 S355J2H ERW structural hollow sections, 200x200mm square profile, 8mm wall thickness, for a commercial building framework project in Manchester. EN 10204 Type 3.1 mill test certificates showed tensile strength at 498 MPa, comfortably within the 470–630 MPa range. Dimensional tolerances were tight — we spot-checked 30 pieces and all were within ±0.5mm on wall thickness. Cut-to-length service at 6m fixed lengths saved us significant workshop time. Delivery took 7 business days from stock, exactly as quoted. Will be placing another order for Phase 2 of this development.
Michael Johnson
United States
2026-01-17
Outstanding API 5L X65 LSAW Pipes for Pipeline Project
Ordered 120 tons of API 5L X65 LSAW pipes, OD 508mm, wall thickness 12.7mm, with 3LPE coating for a natural gas transmission project in Texas. Mill test certificates confirmed yield strength at 462 MPa, well above the 448 MPa minimum. Weld seam ultrasonic testing results were included in the documentation package — 100% inspection rate as advertised. Beveling at 30° per ASME B16.25 was clean and consistent across all pieces. Shipment arrived at Houston port in 19 working days, within the quoted 15–25 day window. We compared quotes from 6 suppliers before choosing this mill. Third order with them and quality has been consistent throughout.
了解供应商
可定制
超低价
$620
1-49 吨
基准价
$595
50-99 吨
4% 优惠
$580
≥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
