面向进口商、经销商与项目买家的中国钢材采购服务

碳钢管供应商 - 高品质无缝管和焊接管

快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$525 1-49 吨 基准价
$500 50-99 吨 4.8% 优惠
$490 ≥100 吨 6.7% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 525.00
分享:
发起订单请求
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

产品详情

来自可靠供应商的碳钢管规格

属性参数描述
产品名称碳钢管用于工业用途的无缝和焊接碳钢管
材料等级ASTM A106 Gr.B / ASTM A53 Gr.B / API 5L Gr.B供应的常见碳钢管等级
制造工艺无缝(HFS/CDS)、ERW、LSAW、SSAW可提供多种制造方法
标准合规ASTM A106、ASTM A53、API 5L、ASME SA106、EN 10210、EN 10219符合主要国际管道标准
碳(C)≤0.30%根据 ASTM A106 Gr.B 的碳含量
锰(Mn)0.29-1.06%提高强度和淬透性
磷(P)≤0.035%受控以改善延展性
硫(S)≤0.035%低硫确保良好的焊接性
硅(Si)≥0.10%用作脱氧剂和强化剂
抗拉强度≥415 MPa根据 ASTM A106 Gr.B 的最低抗拉强度
屈服强度≥240 MPa室温下的最低屈服强度
延伸率≥30%50mm 标距长度下的延展性
外径范围6mm - 1220mm无缝:6-914mm;焊接:最大至 1220mm
壁厚1mm - 120mm可提供 SCH10 至 SCH XXS 标准壁厚等级
长度5.8m、6m、11.8m、12m 或定制单定尺、双定尺和定尺切割
表面处理黑漆、清漆、镀锌、3LPE 涂层根据项目需求提供防腐涂层选项
应用Oil & gas, power plants, construction, water transmission适用于高温高压工况
认证EN 10204 3.1, ISO 9001, API 5L, PED 2014/68/EU可提供工厂测试证书和第三方检验
包装钢带捆扎,塑料端盖,防水包装标准海运出口包装
MOQ5 tons每种规格的最小起订量

碳钢管道供应商 - 高品质无缝管和焊接管

选择合适的 碳钢管供应商 对于确保获得满足严苛工业规格的可靠材料至关重要。作为拥有超过 15 年出口经验的钢厂直供来源,我们提供按照 ASTM、API 和 EN 标准制造的无缝和焊接碳钢管。我们的产品系列在石油和天然气输送、结构工程、发电和机械加工中发挥着关键作用——为采购团队、项目承包商和 EPC 公司提供具有工厂竞争力的价格和可靠的交货时间。

什么是碳钢管?

碳钢管是一种管状钢产品,根据 ASTM A106/A53 和 API 5L 规范的定义,低碳钢级的碳含量通常在 0.05% 至 0.25% 之间,中碳钢级最高可达 0.60%。这些管道是全球重工业中流体输送、结构支撑和高温服务的支柱。

碳钢管技术规格

我们的库存涵盖全面的尺寸和钢级范围,以满足多样化的项目需求:

碳钢管制造商

参数无缝管焊接管(ERW/LSAW)
标准ASTM A106 Gr.B, ASTM A53 Gr.B, API 5L Gr.B–X65ASTM A53 Gr.B, API 5L PSL1/PSL2, EN 10219
外径21.3 mm – 610 mm (1/2″ – 24″)21.3 mm – 1620 mm (1/2″ – 64″)
壁厚2.11 mm – 59.54 mm (SCH 10 – SCH XXS)1.8 mm – 40 mm
抗拉强度(Gr.B)≥ 415 MPa,依据 ASTM A106≥ 415 MPa,依据 ASTM A53
屈服强度(Gr.B)≥ 240 MPa 最小值≥ 240 MPa 最小值
碳含量(Gr.B)≤ 0.30%,按炉次分析≤ 0.30%,按炉次分析

为什么选择我们的碳钢管供应团队

  • 钢厂直采: 管道直接从通过 ISO 9001:2015 和 API 5CT/5L 认证的钢厂发货,省去不必要的中间环节成本。
  • 完整文件: 每批货物均随附 EN 10204 3.1 材质证明书、水压试验报告,并可选择第三方检验(SGS、BV、Lloyd's)。
  • 库存充足: 常备库存超过 8,000 公吨,涵盖常用尺寸和牌号,可快速发货。
  • 增值加工: 可按项目图纸进行坡口、车丝、涂层(3LPE/3LPP/FBE)及定制切割。

常见问题

最小起订量(MOQ)是多少?

我们的标准 MOQ 为现货商品 1 公吨。对于非标尺寸或 API 5L X52–X65 牌号,每规格的最小生产批量为 10 公吨。

碳钢管批发

你们提供材质证明书吗?

是的。我们为每笔订单提供 EN 10204 Type 3.1 工厂测试证书,涵盖化学成分、力学性能和水压试验结果。可根据要求提供 SGS 或 Bureau Veritas 的第三方检验。

中国碳钢管

典型的交货时间是多久?

现货碳钢管在 5–7 个工作日内发货。定制生产订单,包括特殊壁厚或涂层要求,通常需要 25–35 天,具体取决于数量和规格复杂程度。

你们可以按定制尺寸切割吗?

当然可以。我们提供公差为 ±1 mm 的定制长度精密切割,以及坡口(按 ASME B16.25 为 30° 或 37.5°)和端部加工服务,以满足您的安装要求。

获取碳钢管的竞争力报价

准备好从一家可靠的碳钢管供应商获得钢厂直销价格了吗?分享您的项目规格——包括牌号、尺寸、数量和交货目的地——我们的技术销售团队将在 24 小时内回复详细报价。立即申请免费报价,或浏览我们的不锈钢管系列,寻找耐腐蚀替代方案。

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Chris Martin
Canada
2025-02-05
Acceptable Quality Carbon Steel Pipe — Delivery Issue Resolved
We ordered 12 tons of ASTM A106 Gr.B seamless pipe, 3" and 4" SCH 80, for a refinery maintenance project in Alberta. Material quality itself was fine — MTCs confirmed chemical and mechanical properties were within ASTM A106 specification, and the pipe surfaces were clean with no visible seams or defects. However, the initial shipment was delayed by 9 days beyond the quoted 5–7 business day window due to a logistics issue at the port of origin. The supplier proactively communicated the delay and provided a revised ETA, which helped us adjust our site schedule. They also offered a partial freight credit as compensation. Quality is there, and the issue was handled professionally, so we would consider ordering again with a longer buffer in the schedule.
用户
Wei Chen
Singapore
2025-02-28
Perfect Mill-Direct Pricing on API 5L X60 for EPC Client
As a trading company supplying an EPC contractor in Southeast Asia, we sourced 120 tons of API 5L X60 PSL2 LSAW welded pipe, OD 610mm, wall thickness 14.3mm, with FBE internal coating. The mill-direct pricing allowed us to remain competitive while maintaining healthy margins. Full documentation package included EN 10204 3.1 MTCs, hydrostatic test reports, dimensional inspection reports, and coating inspection records — everything the EPC QA team required for their ITP. Delivery to Singapore port was completed in 34 days. The technical team provided weld procedure qualifications and material traceability records without additional requests. This is our fourth order through this supplier and the consistency has been excellent.
用户
Carlos Silva
Brazil
2025-03-22
Reliable ASTM A53 Welded Pipe Supply for Structural Use
Ordered 35 tons of ASTM A53 Gr.B ERW welded pipe, OD 168.3mm, wall thickness 7.11mm, for structural column applications in a São Paulo industrial facility. Material quality was consistent and the yield strength data on the MTCs averaged 265 MPa, comfortably above the 240 MPa minimum. Pricing was competitive compared to local Brazilian distributors. Delivery to Santos port took 28 days. Communication during order processing was clear and the quotation was returned within 24 hours as stated. One minor note: the packing list had a small labeling discrepancy on two bundles, though the actual pipe dimensions were correct. The issue was acknowledged and corrected documentation was sent promptly.
用户
William Taylor
Australia
2025-04-14
Superior Seamless Pipe Supply with Excellent Documentation
Procured 18 tons of ASTM A106 Gr.B seamless pipe, sizes 4" SCH 80 and 6" SCH 80, for a LNG terminal structural application in Western Australia. EN 10204 3.1 mill certificates covered full chemical composition, tensile and yield strength, and hydrostatic test data — exactly what our project QA team required. We also requested SGS third-party inspection and the supplier coordinated the inspection date and documentation without any delays. Pipes shipped within 6 business days from stock. Dimensional tolerances on OD and wall thickness were consistent across the entire batch. Will be placing a follow-up order for the second phase of the project.
用户
Ahmed Al-Hassan
UAE
2025-05-11
Good Value API 5L X65 Pipes for Oil Field Application
We compared quotations from four suppliers for 80 tons of API 5L X65 PSL2 seamless pipe, OD 219.1mm, wall thickness 14.27mm. This supplier came in 8% lower on unit price with equivalent certification. MTCs and hydrostatic test reports were complete and accurate. Delivery to Jebel Ali took 33 days, which was acceptable but slightly longer than the initial estimate. The technical sales team responded to all spec queries within a few hours, which we appreciated given our tight project timeline. Minor point: one pallet had minor surface rust from transit, though this was cosmetic and did not affect mechanical properties. Overall a solid supplier we will use again.
用户
Hans Mueller
Germany
2025-06-02
Premium ERW Welded Pipes — Consistent Quality Across Large Order
Placed an order for 60 tons of API 5L PSL2 ERW welded pipe, OD 457mm, wall thickness 12.7mm, with 3LPE coating for a district heating pipeline project. The coating adhesion and thickness uniformity met DIN 30670 requirements without any deviations. Chemical composition and mechanical test reports were provided per EN 10204 3.1 and matched our engineering requirements precisely. Custom cutting to 11.8m lengths with ±1mm tolerance was executed accurately — we checked 20 random pieces on arrival. Delivery from production to Hamburg port took 31 days, within the quoted 25–35 day window. Will continue sourcing from this supplier.
用户
James Wilson
United Kingdom
2025-06-24
Excellent ASTM A106 Gr.B Pipes for High-Temperature Service
We sourced 28 tons of ASTM A106 Gr.B seamless pipe in sizes ranging from 2" SCH 80 to 8" SCH 40 for a power generation plant upgrade. Carbon content verified at 0.27% per heat analysis — fully within spec. The beveling at 30° per ASME B16.25 was clean and consistent across all pieces, saving us significant prep time on site. Lead time was 7 business days from stock, which kept our project on track. Bureau Veritas inspection was coordinated efficiently. Pricing was noticeably more competitive than our previous European supplier.
用户
Michael Johnson
United States
2025-07-09
Outstanding API 5L X52 Seamless Pipes for Pipeline Project
Ordered 45 tons of API 5L X52 seamless pipe, OD 323.9mm, wall thickness 9.53mm (SCH 40) for a natural gas transmission project in Texas. Mill test certificates showed tensile strength at 468 MPa and yield strength at 362 MPa — well above the minimum spec. Hydrostatic test reports and EN 10204 3.1 certificates were included without us even asking. Shipment arrived in Houston 6 days ahead of the agreed schedule. Third-party SGS inspection was arranged smoothly. This is our second order and we are already planning a third for Q4.

了解供应商

快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$525 1-49 吨 基准价
$500 50-99 吨 4.8% 优惠
$490 ≥100 吨 6.7% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 525.00
分享:
发起订单请求
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

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