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焊接钢管制造商 - 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
$650
1-49 吨
基准价
$620
50-99 吨
4.6% 优惠
$605
≥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
焊接钢管供应商
$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）
API 5L X42 螺旋管
$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）
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）
碳钢焊接钢管
$580 - $620
1 吨 （最小起订量）
焊接钢管
$610 - $655
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 | Welded Steel Pipe | 电阻焊（ERW）及 LSAW/SSAW 碳钢管 |
| 材质等级 | ASTM A53 Gr.B / API 5L Gr.B / EN 10219 S235JRH | 国际等效牌号 |
| 制造工艺 | ERW, LSAW, SSAW | 高频焊接、直缝及螺旋埋弧焊 |
| 标准符合性 | ASTM A53, ASTM A500, API 5L, EN 10219, EN 10217 | 符合主要国际钢管标准 |
| 碳（C） | ≤0.26% | 碳含量依据 ASTM A53 Gr.B |
| 锰（Mn） | ≤1.35% | 提高强度和淬透性 |
| 磷（P） | ≤0.035% | 控制以保证延展性和韧性 |
| 硫（S） | ≤0.035% | 低硫以改善焊接性 |
| 抗拉强度 | ≥415 MPa | 最低抗拉强度依据 ASTM A53 Gr.B |
| 屈服强度 | ≥240 MPa | 最低屈服强度 |
| 伸长率 | ≥22% | 50mm 标距内的延展性 |
| 外径范围 | 21.3mm - 2540mm | ERW：21.3-610mm；LSAW/SSAW：219-2540mm |
| 壁厚 | 1.0mm - 40mm | 可提供标准及定制壁厚 |
| 长度 | 5.8m - 12m 或定制 | 标准长度及不定尺长度 |
| 表面处理 | 黑管、镀锌、防腐涂层、涂漆 | 多种表面处理选项 |
| 应用 | 结构、水/气输送、石油和天然气管道、打桩 | 典型应用行业 |
| 认证 | EN 10204 3.1, ISO 9001, API 5L, CE | 制造商提供的质量认证 |
| 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 |
焊接钢管制造商 - 高品质碳钢和不锈钢管
作为专业的焊接钢管制造商，我们供应全面的ERW（电阻焊）和LSAW（纵向埋弧焊）钢管，专为结构、工业和能源基础设施应用而设计。我们的生产线提供符合ASTM A53、ASTM A500、EN 10219和API 5L规范的碳钢和不锈钢焊接钢管，服务于全球市场的建筑公司、管道承包商和机械制造商。凭借超过200,000公吨的年产能，我们为各种规模的项目提供具有工厂竞争力的价格和可靠的供应链支持。
什么是焊接钢管？
焊接钢管是一种管状产品，通过将钢带或钢板卷成圆柱形，并通过电阻焊、埋弧焊或高频感应焊接将接缝连接而成。与通过穿孔实心坯料生产的无缝管不同，焊接钢管以更大的直径和一致的壁厚均匀性提供具有成本效益的生产，使其成为结构柱、输水、油气集输管道和一般机械应用的首选。
焊接钢管技术规格
我们的焊接钢管按照以下标准和尺寸范围制造：
| 参数 | ERW 管 | LSAW 管 |
|---|---|---|
| 外径 | 21.3 mm – 610 mm (1/2" – 24") | 406 mm – 1422 mm (16" – 56") |
| 壁厚 | 1.0 mm – 20 mm | 6.0 mm – 40 mm |
| 长度 | 5.8 m、6.0 m、11.8 m、12.0 m 或定制 | 6.0 m – 18.0 m |
| 钢级 | ASTM A53 Gr.B、API 5L Gr.B–X70、Q235B、Q345B | API 5L X42–X80、L245–L555 |
| 屈服强度 (Gr.B) | ≥ 241 MPa，依据 ASTM A53/A53M-22 | ≥ 245 MPa，依据 API 5L 第46版 |
| 抗拉强度 (Gr.B) | ≥ 414 MPa | ≥ 415 MPa |
| 表面处理 | 黑管、镀锌、防腐涂层 (3LPE/FBE) | 3LPE、3LPP、FBE、裸管 |
为什么选择我们的焊接钢管制造工厂？
- 一体化生产：自有钢带纵剪、成型、焊接、热处理和水压试验，确保从原料钢卷到成品钢管全程可追溯。
- 严格的质量控制：每根焊接钢管均经过 100% 超声波检测 (UT)、涡流检测 (ECT)，并按照 ASTM A53 第10节要求以 1.5 倍设计压力进行水压试验。
- 认证运营：我们的工厂持有 ISO 9001:2015、API 5L 会标许可和 CE 认证 (EN 10219-1:2006)。
- 灵活的加工：可厂内提供坡口、车丝、开槽、镀锌和定制涂层服务，降低您的采购复杂度。
常见问题
焊接钢管的最小起订量 (MOQ) 是多少？
我们的标准 MOQ 为每种尺寸和规格 5 公吨。对于需要混合尺寸的项目订单，我们接受总计 10 吨起的合并发货。
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，记录化学成分、力学性能、静水压试验结果及无损检测记录。
典型的交货时间是多久？
标准库存商品在 7–10 个工作日内发货。具有特定牌号或涂层的定制焊接钢管通常需要 20–35 天，具体取决于订单量和规格复杂程度。
你们能生产定制尺寸和涂层的焊接钢管吗？
当然可以。我们按照定制的外径、壁厚和长度制造焊接钢管。可用的涂层包括热浸镀锌（依据 ASTM A123）、三层聚乙烯（3LPE，依据 DIN 30670）和熔结环氧粉末（FBE，依据 CSA Z245.20）。
获取焊接钢管的竞争性报价
准备直接从制造商采购优质焊接钢管了吗？立即联系我们的销售团队，提供您的项目规格——包括管径、钢种、数量和所需涂层——并在 24 小时内收到详细报价。作为经验丰富的焊接钢管制造商，我们向全球 50 多个国家提供厂直价格、技术支持和准时发货。
评分与评价
Chris Martin
Canada
2025-01-28
Perfect LSAW Pipe Supply for Oil Sands Infrastructure
Sourced 95 tons of LSAW pipe in API 5L X70 PSL2, 914mm OD, 14.3mm wall with FBE internal and 3LPE external coating for an oil sands pipeline expansion in Alberta. The specification required low-temperature toughness testing at -46°C per CSA Z245.1, and the supplier confirmed capability before we committed. Charpy impact results at -46°C averaged 112 J — significantly above our 60 J requirement. Weld seam radiographic examination records were included in the documentation package alongside the EN 10204 3.1 certificates. Production completed in 33 days; pipe arrived at Edmonton laydown yard on day 37, within our project window. The mill-direct pricing saved our client approximately CAD 85,000 versus the domestic distributor quote we received. This is our first order with this manufacturer and it will not be the last.
Wei Chen
Singapore
2025-02-19
Acceptable Quality but Initial Certificate Discrepancy Needed Resolution
Placed an order for 25 tons of ERW pipe in API 5L Gr.B, 355mm OD, 9.5mm wall for a client's water transmission project in Indonesia. Pipe dimensions and mechanical properties were within specification when we verified against the mill certificates. However, the first set of 3.1 certificates issued had a clerical error in the heat number cross-referencing — our client's inspector flagged it before customs clearance. The supplier's quality team issued corrected documentation within two business days and the matter was resolved without shipment delay, as the error was administrative rather than a material nonconformity. The pipe itself passed our client's incoming inspection. We've flagged this for the supplier's document control process. Would consider reordering if the documentation QC improves.
William Taylor
Australia
2025-03-24
Reliable Galvanized ERW Pipe, Solid Technical Support
Ordered 22 tons of galvanized ERW pipe to ASTM A53 Gr.B, ranging from 2-inch to 6-inch OD, for marine jetty handrail and structural framing works in Darwin. Galvanizing coating weight averaged 610 g/m² per ASTM A123, which exceeded our project specification minimum of 550 g/m². Technical team responded to our pre-order specification queries within a few hours and confirmed compatibility with our design loads. Delivery took 14 days to Sydney warehouse, then onward freight to Darwin added time on our end. One pallet had minor transit damage to the pipe end caps, but the pipes themselves were undamaged. We sourced from three suppliers for this project; this order had the best documentation package of the three.
Carlos Silva
Brazil
2025-04-14
Superior ERW Stainless Pipe for Industrial Process Lines
Our second order with this manufacturer — 18 tons of ERW stainless steel pipe, 168mm OD, 4mm wall, in lengths of 6 metres for chemical process piping at our São Paulo plant. Surface finish on the weld seam interior was smooth and consistent, important for our fluid handling application. Hydrostatic test pressure records showed testing at 1.5× design pressure per ASTM A53 Section 10 with zero failures across the batch. We requested custom cut lengths of 5.5 metres on half the order and the factory accommodated without additional lead time. EN 10204 3.1 certificates arrived digitally within 48 hours of shipment. Pricing was 9% below the Brazilian import alternative we previously used. Reliable supply chain partner.
Ahmed Al-Hassan
UAE
2025-05-08
Excellent API 5L X65 LSAW Pipe for Subsea Pipeline
Procured 120 tons of LSAW pipe in API 5L X65 PSL2, 762mm OD, 19.05mm wall thickness with 3LPE coating per DIN 30670 for an offshore pipeline project in Abu Dhabi. This was a technically demanding specification — we required Charpy impact values at -20°C and full sour service documentation. All test reports were provided with the EN 10204 3.1 certificates, and impact values averaged 78 J, well above the 40 J minimum. Coating thickness uniformly measured between 3.2mm and 3.5mm. The API 5L Monogram on the pipe ends gave our client's engineer confidence during inspection. Delivery to Jebel Ali port completed in 32 days. Will be specifying this manufacturer for our upcoming 2026 pipeline tender.
Hans Mueller
Germany
2025-06-02
Good Value Welded Carbon Pipe, Minor Coating Delay
Purchased 30 tons of ERW pipe Q345B, 219mm OD, 8mm wall with hot-dip galvanizing per ASTM A123 for mechanical support structures at our Bavaria facility. Material quality was fully compliant — chemical composition and mechanical properties matched the mill certificates exactly. Our concern was a 4-day delay on the galvanizing step due to a coating line scheduling issue, which pushed final dispatch slightly. The sales team communicated the delay proactively and adjusted the freight booking accordingly, so our site schedule was not impacted. Price was competitive versus European stock suppliers. Would order again with a slightly earlier lead time buffer built in.
James Wilson
United Kingdom
2025-06-24
Premium LSAW Pipe Delivered Ahead of Schedule
We sourced 80 tons of LSAW pipe to EN 10219 S355J2H, 508mm OD, 12.7mm wall, in 12-metre lengths for a structural column application on a commercial development in Manchester. The dimensional tolerances were tight — wall thickness variation measured within ±0.3mm across the batch, which our welding team appreciated. 3LPE coating adhesion tested at over 15 N/mm per DIN 30670 requirements. Production and dispatch were completed in 28 days against a quoted 30-day lead time. CE marking documentation and the full EN 10204 3.1 certificate pack were emailed before shipment. Third order with this supplier and consistency has been solid throughout.
Michael Johnson
United States
2025-07-09
Outstanding ERW Pipe Quality for Gas Gathering Project
Ordered 45 tons of ERW pipe in API 5L Gr.B, 8-inch OD, 6.35mm wall thickness with FBE coating for a natural gas gathering line in West Texas. Mill test certificates showed yield strength at 268 MPa and tensile at 432 MPa, both well above ASTM A53 minimums. UT and hydrostatic test records were included in the EN 10204 3.1 documentation package — no issues flagged by our third-party inspector. Beveled ends were clean and within tolerance. Shipment arrived at Houston port in 18 days. We compared quotes from 6 suppliers; this facility came in 7% below domestic mill pricing. Already planning our next order for the Q4 expansion phase.
了解供应商
可定制
超低价
$650
1-49 吨
基准价
$620
50-99 吨
4.6% 优惠
$605
≥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
