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碳钢焊接管 - 高强度工业级
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
碳钢焊接钢管
$580 - $620
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 X42 螺旋管
$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）
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）
焊接钢管
$610 - $655
1 吨 （最小起订量）
产品详情
碳钢焊接钢管技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 碳钢焊接钢管 | ERW/LSAW/SSAW 焊接碳钢钢管 |
| 材质等级 | ASTM A53 Gr.B / A500 Gr.B / API 5L Gr.B | 国际等级对应标准 |
| 制造工艺 | ERW、LSAW、SSAW | 电阻焊、直缝/螺旋埋弧焊 |
| 标准合规 | ASTM A53、ASTM A500、API 5L、EN 10219、BS 1387 | 符合主要国际标准 |
| 碳 (C) | ≤0.26% | 碳含量依据 ASTM A53 Gr.B |
| 锰 (Mn) | ≤1.20% | 提高强度和淬透性 |
| 磷 (P) | ≤0.035% | 控制以保证延展性 |
| 硫 (S) | ≤0.035% | 低硫以提高焊接性 |
| 硅 (Si) | ≤0.35% | 炼钢过程中的脱氧剂 |
| 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 |
| 延伸率 | ≥22% | 50mm 标距下的延展性 |
| 外径范围 | 21.3mm - 2540mm | 可选外径规格 |
| 壁厚 | 0.8mm - 40mm | 标准及定制壁厚 |
| 长度 | 5.8m - 12m 或定制 | 提供标准及定制长度 |
| 表面处理 | 黑管、镀锌、防腐涂层、涂油 | 多种表面处理选项 |
| 应用 | 结构、水/气输送、围栏、脚手架 | 典型应用行业 |
| 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 |
碳钢焊接钢管 - 高强度工业级
碳钢焊接钢管是一种经济高效且结构可靠的管材产品，通过将扁平钢带或钢板成型为圆柱形，并采用电阻焊（ERW）或埋弧焊（SAW）连接制成。该钢管经过专门设计，具有优异的抗拉性能和一致的尺寸精度，在流体输送、结构框架和工业过程系统中发挥着关键作用。无论您从事建筑、石化还是水基础设施行业，碳钢焊接钢管都能提供严苛项目所需的机械性能和具有价值优势的定价。
什么是碳钢焊接钢管？
碳钢焊接钢管是指通过焊接成型钢带的纵向或螺旋接缝而制成的一种空心钢材截面。与无缝管替代品不同，焊接钢管具有更严格的壁厚公差，并且在大直径下生产效率更高。它按照 ASTM A53/A53M-22（E 型和 S 型）、ASTM A500 和 EN 10219-1:2006 标准制造，确保为结构和压力应用提供可靠的化学成分和机械性能。
碳钢焊接钢管技术规格
我们的碳钢焊接钢管库存涵盖全面的尺寸和牌号范围，以满足多样化的项目需求：
| 参数 | 规格 |
|---|---|
| 外径 | 21.3 mm – 2540 mm (1/2" – 100") |
| 壁厚 | 1.0 mm – 40 mm |
| 长度 | 5.8 m、6 m、11.8 m、12 m，或定制切割 |
| 钢种 | ASTM A53 Gr.B, A500 Gr.B/C, API 5L Gr.B–X65, Q235B, Q345B |
| 屈服强度 (A53 Gr.B) | ≥ 241 MPa minimum per ASTM A53/A53M-22 |
| 抗拉强度 (A53 Gr.B) | ≥ 414 MPa minimum |
| 碳含量 (A53 Gr.B) | ≤ 0.30% maximum |
| 焊接工艺 | ERW、LSAW、SSAW |
| 表面处理 | 黑管、涂油、镀锌、环氧涂层、3LPE |
| 标准 | ASTM A53, ASTM A500, API 5L PSL1/PSL2, EN 10219, BS 1387 |
碳钢焊接钢管的主要应用
碳钢焊接钢管具有坚固的机械完整性和优异的焊接特性，使其成为众多工业领域的首选：
- 石油和天然气输送： 按 API 5L 规范制造的管线管，用于在长距离管道网络中输送原油、天然气和精炼产品。
- 结构建筑： 符合 ASTM A500 Gr.C 标准、最小屈服强度为 345 MPa 的立柱、桁架和桩基，用于商业和工业建筑。
- 给排水： 采用符合 AWWA C200 标准的防腐涂层管道的市政供水和污水系统。
- 机械和汽车： 用于机械框架、输送辊和车辆底盘部件的精密焊接管。
- 消防系统： 需要符合 ASTM A795 和 UL/FM 认证的管道的喷淋和立管安装。
常见问题
最小起订量（MOQ）是多少？
我们碳钢焊接钢管的标准起订量为每个尺寸和规格5公吨。对于非标准尺寸或定制涂层要求，可能适用最低10公吨的起订量。
你们提供材质证明书吗？
是的。每批货物均随附EN 10204 Type 3.1工厂材质证明书，记录化学成分分析、力学性能测试结果、水压试验记录及尺寸检验数据。
典型的交货期是多久？
常用尺寸的现货商品在7–10个工作日内发货。定制订单，包括特定牌号或涂层，通常需要20–35天，具体取决于生产排期和数量。
你们可以按定制尺寸切割吗？
当然可以。我们提供精密切割、坡口加工及端部预处理服务。对于要求精确尺寸的碳钢焊接钢管订单，长度公差可达到±1.0 mm。
获取碳钢焊接钢管的竞争力报价
准备以工厂竞争性价格采购优质碳钢焊接钢管了吗？我们的技术团队在全球基础设施和能源项目的钢管供应方面拥有超过15年的经验。今天就联系我们并提供您的规格——包括直径、壁厚、牌号、涂层和数量——并在24小时内收到详细报价。对于需要替代材料的应用，请浏览我们的不锈钢焊接钢管或无缝碳钢管选项。
评分与评价
Chris Martin
Canada
2025-09-02
Acceptable Quality Carbon Steel Pipe, Packaging Issue Resolved
Ordered 8 tons of ASTM A53 Gr.B ERW pipe, 88.9mm OD x 5.49mm wall, for fire protection sprinkler installations across three commercial sites in Ontario. Material quality was acceptable — chemical and mechanical properties on the 3.1 certificates were within ASTM A53 requirements, and the pipes passed our incoming hydrostatic test checks. However, approximately 15% of the bundle arrived with damaged plastic end caps, exposing the pipe ends to moisture during transit. We found minor surface rust on the exposed ends of around 12 pieces. After raising this with the supplier, they responded within one business day and offered a partial credit for the affected pieces, which was fair. The underlying pipe material was unaffected after cleaning. Delivery was 9 days, which was fast. We would order again but will specify reinforced end protection in the next purchase order.
Wei Chen
Singapore
2025-09-24
Excellent API 5L PSL2 X52 Pipe for Petrochemical Pipeline
This was our fourth procurement from this supplier, covering 60 tons of API 5L PSL2 X52 LSAW welded pipe, 457mm OD x 14.3mm wall, for a refinery interconnecting pipeline in Jurong Island. PSL2 documentation requirements are stringent and the supplier delivered — full traceability records, CVN impact test results at -20°C averaging 68J, and ultrasonic weld inspection reports were all included in the document package before shipment. Carbon equivalent values on the certs were 0.38%, supporting good field weldability for our construction team. Goods arrived 11 days ahead of the scheduled delivery date, which helped us recover schedule on the project. Our QA inspector was on-site for mill inspection and reported no issues with the production run. Consistently the most reliable overseas pipe supplier in our approved vendor list.
Carlos Silva
Brazil
2025-10-13
Reliable SSAW Pipe for Industrial Conveyor System, Good Pricing
We purchased 12 tons of SSAW welded pipe, 508mm OD x 9mm wall, Q235B grade, black finish, for conveyor roller support structures at our São Paulo plant. Pipe geometry was consistent and the spiral weld seam showed no visible undercut or porosity on visual inspection. Mechanical properties on the test certificates were within expected range for Q235B. Delivery took 25 days, which was on the longer end of what was quoted, though the supplier proactively updated us with shipping status. Price was approximately 9% below what we had paid a local Brazilian distributor for similar specification last quarter. Dimensional tolerance on OD was ±1.2mm on some pieces, slightly wider than the ±1.0mm we requested — not a problem for this application but worth noting for tighter structural uses.
William Taylor
Australia
2025-10-30
Premium ERW Pipe for Offshore Platform Structural Framework
Ordered 22 tons of ASTM A53 Gr.B ERW welded pipe in mixed sizes — 114.3mm, 168.3mm, and 273mm OD, all 8mm wall thickness — for structural bracing on a platform upgrade in the Timor Sea. Galvanized finish was specified and the zinc coating adhesion was verified on arrival. Tensile test results on the 3.1 certs showed 441 MPa for the 273mm pipes, well above the 414 MPa minimum. All lengths were supplied at 6m with bevel end preparation, and the bevel angle was consistent at 30°. Delivery to Fremantle port took 16 days, which allowed us to meet our offshore mobilisation window. Our procurement manager noted this was the smoothest documentation process we have had with an overseas steel supplier. Will be placing a follow-on order for the Phase 2 structural scope shortly.
Ahmed Al-Hassan
UAE
2025-11-18
Outstanding LSAW Pipe Supply for Water Infrastructure Project
Procured 80 tons of LSAW carbon steel welded pipe, 610mm OD x 12mm wall, Q345B grade with epoxy internal coating and 3LPE external coating, for a municipal water transmission main in Abu Dhabi. This was a technically demanding order — coating thickness requirements were specified at 3.5mm minimum for 3LPE, and inspection on arrival confirmed average 3.8mm. EN 10204 3.1 certificates were comprehensive, covering chemical composition, Charpy impact test results, and hydrostatic pressure test data. Goods cleared customs and arrived at site within 28 days of order confirmation. The technical team responded to our engineer's coating specification queries within a few hours each time. We compared quotes from four suppliers before selecting this one — both on price and technical responsiveness, they stood out.
Hans Mueller
Germany
2025-12-07
Good Value EN 10219 Welded Pipe, Minor Documentation Delay
Placed an order for 18 tons of EN 10219-1 S355J2H welded pipe, 323.9mm OD x 10mm wall, for a mechanical handling system frame. Material quality itself was solid — weld seam appearance was clean, wall thickness measured consistently across the batch, and mechanical properties matched the test certificates. Delivery took 22 days, within the quoted window. Only issue was a 3-day delay in receiving the full documentation package after goods arrived at our warehouse. After following up, the complete 3.1 mill certs and dimensional reports were sent promptly. Would have been 5 stars with faster document turnaround. Price per ton was 6% lower than our previous German supplier for equivalent spec, so overall value is good.
James Wilson
United Kingdom
2025-12-22
Superior ASTM A500 Gr.C Structural Pipe for Commercial Build
We sourced 28 tons of ASTM A500 Gr.C welded pipe in 168.3mm OD x 8mm wall for structural columns on a multi-storey commercial development in Birmingham. Chemical analysis on the 3.1 certs showed carbon content at 0.24%, comfortably within spec. Yield strength reported at 362 MPa, exceeding the 345 MPa minimum. Pipes arrived with black oiled finish in good condition, no surface pitting or seam irregularities. Custom cut lengths to 6.2m were accurate to within ±0.8mm. Lead time was 18 days for a non-stock size, which was acceptable. Our structural engineer signed off on the material without any queries. Pricing was competitive versus two other UK-based distributors we compared.
Michael Johnson
United States
2026-01-07
Excellent API 5L Gr.B Welded Pipe for Gas Transmission Project
Ordered 45 tons of API 5L Gr.B ERW welded pipe, 219.1mm OD x 6.35mm wall thickness, with 3LPE coating for a natural gas distribution line in Louisiana. Mill test certificates (EN 10204 Type 3.1) confirmed yield strength at 278 MPa and tensile at 432 MPa, both well above ASTM minimums. Dimensional checks on-site showed OD tolerance within ±0.5mm across all lengths. Shipment arrived in 14 days, right on schedule. Hydrostatic test records were included without us even requesting them. This is our second order with this supplier and quality has been consistent. Will continue sourcing API 5L line pipe from them for upcoming Phase 2 expansion.
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
