面向进口商、经销商与项目买家的中国钢材采购服务

定制尺寸碳钢管 - 厂家直供

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
$730 1-49 吨 基准价
$698 50-99 吨 4.4% 优惠
$682 ≥100 吨 6.6% 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$ 730.00
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

定制尺寸碳钢管规格表

属性参数描述
产品名称定制尺寸碳钢管按特定尺寸定制的碳钢管
材质等级ASTM A106 Gr.B / ASTM A53 Gr.B / API 5L Gr.B常见碳钢等级等效牌号
制造工艺无缝 (SMLS) / ERW / LSAW / SSAW根据项目需求提供多种工艺选择
标准合规ASTM A106, ASTM A53, API 5L, EN 10210, GB/T 8163符合主要国际标准
碳 (C)≤0.30%碳含量用于结构强度
锰 (Mn)0.29–1.06%提高淬透性和抗拉强度
磷 (P)≤0.035%控制含量以改善延展性
硫 (S)≤0.035%低硫含量以提高可焊性
硅 (Si)≥0.10%作为脱氧剂和强化剂
抗拉强度≥415 MPa按 ASTM A106 Gr.B 的最低值
屈服强度≥240 MPa最低屈服强度要求
伸长率≥30%50 mm 标距内的延展性
定制外径范围10 mm–1220 mm可按要求提供非标准外径
定制壁厚1 mm–120 mm按客户规格定制壁厚
定制长度1 m–18 m 或按要求支持定尺切割和不定尺长度
表面处理黑漆、清漆、镀锌、3LPE 涂层多种防腐选项
应用石油和天然气、建筑、供水、机械工程广泛的工业应用
认证EN 10204 3.1, ISO 9001, API 5L, PED 2014/68/EU随货提供质量认证
包装钢带捆扎,塑料端盖,防水包装标准海运出口包装
MOQ5 tons定制尺寸的最小起订量

定制尺寸碳钢管 - 厂家直供

定制尺寸碳钢管为标准尺寸无法满足的项目提供量身定制的管道解决方案。这些钢管按照买方指定的外径、壁厚和定尺长度制造,在结构制造、流体输送、机械加工和能源基础设施中发挥着关键作用。无论您是需要非标准外径用于改造项目,还是需要精确的定尺长度以最大程度减少现场浪费,我们的钢厂直供供应链都能为全球B2B买家确保尺寸精度、一致的材料质量和工厂竞争力价格。

什么是定制尺寸碳钢管?

定制尺寸碳钢管是指按照买方指定的非标准尺寸制造或加工的碳钢管道产品。与现成库存尺寸不同,这些钢管以定制的外径范围从21.3 mm到1420 mm、壁厚从1.5 mm到60 mm、长度可达18米进行生产——根据最终用途要求,符合ASTM A106/A53、API 5L、EN 10210或GB/T 8162等标准。

定制尺寸碳钢管技术规格

我们的定制碳钢管按照以下关键参数制造:

参数范围 / 详情
材料牌号ASTM A106 Gr.B, A53 Gr.B, API 5L Gr.B–X70, Q345B, S355J2H
外径21.3 mm – 1420 mm(可定制)
壁厚1.5 mm – 60 mm
长度最长18,000 mm,可定尺切割
制造工艺无缝(热轧)、ERW、LSAW、SSAW
抗拉强度(A106 Gr.B)≥ 415 MPa,依据ASTM A106/A106M-19a
屈服强度(A106 Gr.B)≥ 240 MPa
碳含量(A106 Gr.B)≤ 0.30%
表面处理黑漆、清漆、涂油、镀锌或裸管

定制碳钢管的重点应用

  • 石油和天然气管道:符合 API 5L 标准的定制管材,用于高压输送管线,这些管线需要非标准壁厚以满足特定的 MAOP 计算。
  • 结构与机械工程:定制外径的空心型材广泛应用于桥梁支撑、建筑立柱和重型设备框架,符合 EN 10210-1:2006。
  • 发电:定制长度的 ASTM A106 Gr.B 无缝管用于锅炉系统和运行温度高达 400°C 的高温蒸汽管线。
  • 水与流体输送:SSAW 和 ERW 定制尺寸碳钢管解决方案,用于市政供水、灌溉和工业过程管道。

为什么选择我们的定制尺寸碳钢管

凭借超过 15 年的出口经验,我们运营一体化供应模式,将自有工厂生产与精密切割和加工设施相结合。每份定制尺寸碳钢管订单均随附 EN 10204 3.1 工厂测试证书,我们的质量管理体系已通过 ISO 9001:2015 认证。我们保持年产能超过 200,000 公吨,使我们能够处理试订单和大批量项目合同,并保证可靠的交货时间。

常见问题

最小起订量(MOQ)是多少?

对于标准定制尺寸碳钢管订单,我们的最小起订量为 5 公吨。经协商,可为新客户安排 1–2 吨的试订单。

你们提供材料测试证书吗?

是的。每批货物均包含 EN 10204 Type 3.1 工厂测试证书,涵盖化学成分、力学性能和尺寸检验结果。

典型的交货时间是多少?

标准定制订单在订单确认后 15–25 个工作日内完成。紧急或小批量需求可能根据当前钢厂排产在 10 天内发货。

你们能生产非标准外径和壁厚组合吗?

当然可以。我们的轧制和焊接生产线可满足 ASTM A530/A530M 的外径公差要求,并可生产超出标准系列的定制壁厚。提供您的图纸或规格,我们的工程团队将在 24 小时内确认可行性。

获取定制尺寸碳钢管的竞争性报价

准备以钢厂直销价格采购定制尺寸碳钢管了吗?分享您所需的尺寸、牌号、数量和交货目的地。我们的专属销售团队将在一个工作日内提供详细报价——包括 FOB、CFR 或 CIF 价格。浏览我们的碳钢无缝管或API 5L 管线管目录以了解更多选择。立即联系我们开始合作。

定制尺寸碳钢管供应商

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
2025-10-09
Acceptable Custom Pipe Quality with Initial Documentation Delay Resolved
Ordered 8 tons of ASTM A106 Gr.B seamless pipe, OD 60.3mm, wall thickness 5.54mm, cut to 6,100mm for a mechanical processing application. The pipe dimensions and material properties were acceptable—tensile strength at 422 MPa, within A106 Gr.B requirements. However, the EN 10204 3.1 mill certificates were not included in the initial shipment documents, which caused a 4-day delay at our customs clearance. After raising the issue, the supplier emailed the certificates within 6 hours and worked with the freight forwarder to provide the originals. The problem was resolved, but it added unexpected administrative work on our side. Pipe quality itself was fine for our application. Would consider reordering if documentation process is confirmed to be corrected.
用户
Wei Chen
Singapore
2025-10-20
Perfect Cut-to-Length Carbon Steel Pipe Supply for Repeat Project
This is our fifth order with this supplier—20 tons of API 5L Gr.B ERW pipe, OD 114.3mm, wall thickness 6.35mm, cut to 12,000mm for a downstream client in Indonesia. The consistency across orders is what keeps us coming back. Every batch arrives with matching EN 10204 3.1 certificates, and the dimensional inspection report this time showed wall thickness uniformity within ±0.3mm across sampled pipes. Delivery was completed in 14 working days, ahead of the 15-day commitment. FOB Shanghai pricing remains competitive even as raw material costs have moved. Our client has accepted all five deliveries without quality rejection. This supplier is our preferred source for cut-to-length carbon steel pipe requirements in Southeast Asia.
用户
Carlos Silva
Brazil
2025-11-03
Reliable Custom SSAW Pipes for Industrial Process Piping
We placed an order for 35 tons of SSAW carbon steel pipe, OD 711mm, wall thickness 10mm, in A53 Gr.B for an industrial process fluid transport system. Compared pricing from three suppliers and this mill offered the best CFR Santos rate. Chemical composition and mechanical property test results were within ASTM A53 requirements—carbon content confirmed at 0.28%. Delivery was 20 working days as quoted. The trial order of 2 tons we placed before the main contract was processed smoothly, which gave us confidence to scale up. Minor feedback: the shipping marks on some bundles were partially faded, making inventory counting slightly slower at our warehouse. Not a quality issue, but worth noting.
用户
William Taylor
Australia
2025-11-22
Premium Custom Carbon Steel Pipe for Offshore Structural Frames
Sourced 18 tons of S355J2H grade custom hollow section pipe, OD 219.1mm, wall thickness 20mm, per EN 10210-1:2006 for heavy equipment frames on an offshore support vessel. The supplier's engineering team reviewed our drawings and confirmed the non-standard OD/WT combination was achievable on their rolling line within 24 hours—that responsiveness was a deciding factor. Mill test certificates showed Charpy impact values at -20°C well above the 27J minimum. Surface treatment was oil coating as specified. Shipped FOB with complete documentation including dimensional inspection reports. This was our first order with this supplier; based on quality and communication, we have already submitted RFQ for a follow-up 30-ton order.
用户
Ahmed Al-Hassan
UAE
2025-12-05
Good Value Custom ERW Pipes for Municipal Water Supply
Ordered 60 tons of ERW carbon steel pipe, OD 355.6mm, wall thickness 8mm, for a municipal water supply pipeline project. Material quality and dimensional accuracy met our project specifications, and the CIF pricing to Jebel Ali was competitive against two other Chinese mills we evaluated. Delivery took 22 working days, which was within the quoted range but on the longer end. One minor issue: three pipes in the batch had minor surface rust spots at the pipe ends, likely from transit exposure. The supplier responded within one business day and offered partial credit for the affected pieces. Overall a reliable partner for large-volume infrastructure orders, though packaging for end protection could be improved.
用户
Hans Mueller
Germany
2025-12-26
Outstanding Seamless A106 Gr.B Pipes for Boiler System Upgrade
Purchased 12 tons of ASTM A106 Gr.B seamless carbon steel pipe, OD 168.3mm, wall thickness 11mm, cut to 6,000mm for a boiler system operating at 380°C. The hot-rolled seamless process was confirmed in the mill certificates, with tensile strength at 438 MPa per ASTM A106/A106M-19a requirements. We specifically needed cut-to-length pieces to eliminate on-site cutting waste—the dimensional accuracy on length was within ±3mm, which saved us measurable labor costs during installation. Lead time was 16 working days. EN 10204 3.1 certificates were provided without additional request. Will continue using this supplier for our annual maintenance contracts.
用户
James Wilson
United Kingdom
2026-01-02
Superior API 5L X65 Pipes for High-Pressure Gas Transmission
We sourced 45 tons of API 5L Gr.X65 LSAW custom pipe, OD 508mm, wall thickness 14.3mm, for a high-pressure gas transmission line where our MAOP calculations required a non-standard WT not available from local stockholders. The supplier confirmed feasibility within 24 hours of receiving our drawings. Hydrostatic test reports and chemical composition sheets were included in the documentation package—yield strength recorded at 468 MPa, exceeding the 450 MPa minimum. Pipes arrived with black varnish coating in good condition after sea freight. Third order with this supplier and consistency has been excellent across all batches.
用户
Michael Johnson
United States
2026-01-17
Excellent Custom Carbon Steel Pipe for Bridge Support Project
Ordered 28 tons of custom size carbon steel pipe in Q345B grade, OD 273mm with 16mm wall thickness, cut to 9,000mm lengths for a bridge support retrofit. Dimensional tolerances were spot-on—OD variance within ±0.5mm across the entire batch. EN 10204 3.1 mill test certificates arrived with the shipment showing carbon content at 0.26%, well within spec. Delivery completed in 18 working days, which fit our project schedule perfectly. We compared quotes from four suppliers before choosing this mill. Price was 8% lower than our previous domestic source for the same grade. Already planning our next order for the second phase.

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
$730 1-49 吨 基准价
$698 50-99 吨 4.4% 优惠
$682 ≥100 吨 6.6% 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$ 730.00
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

店铺推荐

更多产品 
 发送询价
邮件
邮件
[email protected]
复制邮箱
电话
电话
+86 133 7058 6666
复制号码