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特殊形状钢管供应商 - 工业应用定制型材
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
$595
1-49 吨
基准价
$570
50-99 吨
4.2% 优惠
$555
≥100 吨
6.7% 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
产品详情
异型钢管技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 异型钢管 | 非标准截面钢管 |
| 材质等级 | Q235B / Q345B / ASTM A500 / SS400 | 碳钢及结构钢等级 |
| 标准符合 | ASTM A500, EN 10219, GB/T 6728, JIS G3466 | 符合主要国际标准 |
| 制造工艺 | 冷成型 / 热成型 / 焊接 | 可选 ERW 和无缝 |
| 可用形状 | 椭圆形、D形、六角形、三角形、平边、异形 | 按图纸定制型材 |
| 碳 (C) | ≤0.26% | Q345B 级碳含量 |
| 锰 (Mn) | ≤1.60% | 增强强度和硬度 |
| 硅 (Si) | ≤0.55% | 脱氧元素 |
| 磷 (P) | ≤0.035% | 受控以改善延展性 |
| 硫 (S) | ≤0.035% | 低硫以提高可焊性 |
| 抗拉强度 | ≥470 MPa | Q345B 最低抗拉强度 |
| 屈服强度 | ≥345 MPa | Q345B 最低屈服强度 |
| 延伸率 | ≥21% | 50mm 标距内的延展性 |
| 壁厚 | 1.0mm - 30mm | 可提供标准和定制厚度 |
| 长度 | 5.8m - 12m 或定制 | 可提供定尺切割服务 |
| 表面处理 | 黑管、镀锌、喷漆、粉末喷涂 | 按需求提供多种表面处理选项 |
| 应用 | 建筑、机械、家具、汽车、护栏 | 结构和装饰应用 |
| 认证 | EN 10204 3.1, ISO 9001, SGS | 提供质量认证 |
| 包装 | 用钢带捆扎，两端加塑料帽 | 标准海运出口包装 |
| MOQ | 5 吨 | 每个规格的最小起订量 |
特殊形状钢管供应商 - 工业应用定制型材
选择可靠的异型钢管供应商对于需要非标准截面轮廓并按精确尺寸公差加工的 project 至关重要。异型钢管——包括六角形、椭圆形、D 形、三角形、平边型及其他不规则轮廓——在建筑框架、汽车零部件、农业机械和专业工业设备中发挥着关键作用。作为拥有超过 15 年生产经验的钢厂直供制造商，我们为 40 多个国家的买家提供符合严格机械和尺寸要求的定制异型钢管。
什么是异型钢管？
异型钢管是指以非圆形、非方形截面制造的空心钢管。与标准圆形或矩形管不同，这些型材通过冷拔或辊压成型加工成椭圆形、半圆形、梯形、P 形或任何客户指定轮廓的几何形状。根据预期使用环境，它们由碳钢（Q235B、Q345B、ASTM A500）、不锈钢（304、316L）或合金钢制成。
异型钢管技术规格
我们的定制异型钢管按照 GB/T 3094-2012、ASTM A500/A500M-21 和 EN 10219-2:2019 标准制造。关键参数包括：
| 参数 | 范围 |
|---|---|
| 壁厚 | 0.5 mm – 20 mm |
| 外形尺寸 | 10 mm – 500 mm（最大边界尺寸） |
| 长度 | 最长 12,000 mm，可定尺切割 |
| 材料牌号 | Q235B, Q345B, ASTM A500 Gr.B/C, SS304, SS316L |
| 屈服强度（Q345B） | ≥ 345 MPa，符合 GB/T 1591 |
| 表面处理 | 黑材、镀锌、抛光或涂漆 |
| 尺寸公差 | 按图纸要求，型材轮廓 ±0.1 mm |
为什么选择我们的异型钢管供应团队
- 定制模具开发：自有模具车间，可在 7–10 个工作日内生产新型材模具，缩短原型订单的交货周期。
- 灵活的材料选择：碳钢、不锈钢和低合金高强度钢均在同一条生产线上加工，可高效处理多材料订单。
- 质量保证：通过 ISO 9001:2015 认证的工厂，具备过程超声波检测、尺寸 CMM 检测，以及符合 EN 10204 Type 3.1 的材质证明书（MTC）。
- 出口级包装：采用防腐蚀 VCI 纸包裹成捆，用钢带固定，装入适航集装箱，确保全球运输无损交付。
常见问题
异型钢管的最小起订量（MOQ）是多少？
我们的标准起订量为每种型材和牌号 2 公吨起。对于新模具开发项目，我们接受低至 1 吨的试订单，以便在批量生产前验证尺寸精度。
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，涵盖化学成分、力学性能及尺寸检验结果，并可追溯至生产炉号。
典型交货期是多久？
常备牌号的标准型材在 10–15 个工作日内发货。需要制作新模具的全定制型材，从图纸确认到发货通常需要 20–30 个工作日。
你们可以根据我们的定制图纸生产型材吗？
当然可以。请将带有尺寸公差的 DXF 或 DWG 文件发送给我们，我们的工程团队将确认可行性、推荐最优成型工艺，并在 48 小时内提供详细报价。
获取异型钢管的竞争力报价
无论您需要用于建筑扶手的椭圆管、用于输送系统的 D 形型材，还是用于 OEM 机械的完全独特截面，我们的技术销售团队都随时准备为您提供具有工厂竞争力的价格和可靠的质量保证。请立即联系我们，并提供您的型材图纸、材料牌号、数量及所需交货计划，以获取量身定制的方案。
评分与评价
Chris Martin
Canada
2024-12-08
Acceptable Quality Hexagonal Tubes — Communication Delay Resolved
Ordered 4 tons of hexagonal steel pipes in Q345B, 25mm across flats, 3mm wall, for a mining equipment application in Alberta. Material properties and dimensional tolerances on the finished product were correct and the MTC was compliant. Main issue was a 5-day delay in receiving the feasibility confirmation after submitting our DWG files — response came in on day 7 rather than the quoted 48 hours. After raising this with the sales team, they escalated internally and provided a revised production schedule with daily updates. Final delivery was only 3 days past the original target. Product quality itself met spec. Communication process has apparently been improved since; we are cautiously planning a repeat order.
Wei Chen
Singapore
2025-01-04
Excellent Multi-Profile Order — Carbon and Stainless on One PO
Placed a consolidated order covering three profile types: P-shaped Q235B tubes (4 tons), semi-circular SS304 tubes (2 tons), and flat-sided Q345B profiles (5 tons) — total 11 tons across two material grades on a single purchase order. The ability to process mixed-material orders on the same production line saved us significant logistics coordination. All three profiles shipped together in one 40HQ container with individual bundle labeling and separate MTCs per grade and heat number. Dimensional inspection reports for each profile were attached to the packing list. This is our fifth consolidated order and the consistency across batches has been reliable throughout.
William Taylor
Australia
2025-01-26
Reliable SS316L Oval Tubes for Marine Deck Fittings
Ordered 3 tons of SS316L oval tubes, 2mm wall thickness, 50×30mm section, 6000mm lengths, for deck fitting components on a commercial vessel refit in Fremantle. Carbon content on the MTC read 0.019%, well within the 0.03% limit for 316L. Surface finish was smooth and consistent. Delivery took 16 working days, slightly longer than the initial 12-day estimate due to port congestion — supplier communicated the delay proactively and updated the ETA within 24 hours. Packaging integrity was excellent; all tubes arrived without surface damage. Pricing was fair for stainless material with full 3.1 certification.
Carlos Silva
Brazil
2025-02-09
Superior Trapezoidal Profiles for OEM Machinery Production
Our OEM machinery division needed a fully custom trapezoidal cross-section tube in Q345B, 3mm wall, 100mm top width, 70mm bottom width, 50mm height, 9000mm lengths — a profile no local Brazilian mill would produce in under 60 days. This supplier developed the die within 9 working days and shipped a 1-ton trial order for dimensional validation. Profile contour tolerance was ±0.09mm against our drawing. After approval we placed the full 10-ton production order, which shipped in 22 working days. Ultrasonic testing reports and CMM dimensional data were provided for every production batch. This capability is exactly what our engineering team needed.
Ahmed Al-Hassan
UAE
2025-03-03
Premium Oval Steel Tubes for Offshore Equipment Frames
Procured 12 tons of oval-section steel pipes in ASTM A500 Grade B, 5mm wall thickness, 120×60mm profile, galvanized finish, for structural frames on a marine-adjacent installation in Abu Dhabi. Yield strength test results on the MTC showed 365 MPa, comfortably above the 317 MPa minimum. Galvanizing coating thickness was measured at 85–92 microns across sampled pieces. Compared quotes from four suppliers before selecting this mill — factory pricing was 11% lower than the nearest competitor for equivalent certification. Containers arrived at Jebel Ali port with zero corrosion damage. Highly recommended for critical structural applications.
Hans Mueller
Germany
2025-03-21
Solid Hexagonal Steel Pipes for Agricultural Machinery Components
Placed a 6-ton order for hexagonal cold-drawn steel pipes in Q235B, 20mm across flats, 2mm wall, 3000mm cut lengths, for PTO shaft housings in our agricultural equipment line. Mechanical properties met GB/T 3094-2012 requirements and chemical composition was within spec per the MTC. Lead time was 14 working days for a stock-grade profile, which was acceptable. One bundle had minor surface oxidation on two pipes — supplier arranged replacement pieces in the next shipment without dispute. Price was competitive versus our previous European source. Would order again for standard grades.
James Wilson
United Kingdom
2025-04-12
Outstanding Elliptical Tubes for Architectural Handrail Project
We sourced 5 tons of elliptical steel tubes in SS304, 1.5mm wall thickness, 60×30mm profile, polished finish, for a high-end commercial handrail installation in London. Surface finish was consistent 2B equivalent with no scratches or weld seam marks visible after polishing. The engineering team confirmed feasibility and returned a detailed quote within 36 hours of receiving our DXF files — faster than the 48-hour commitment. Seaworthy packaging with VCI paper kept every bundle in perfect condition on arrival. Third project we've run with this supplier.
Michael Johnson
United States
2025-04-27
Excellent Custom D-Shaped Profiles for Conveyor System
Ordered 8 tons of D-shaped steel pipes in Q345B, wall thickness 4mm, outer dimension 80mm, cut to 6000mm lengths for our conveyor line upgrade. Dimensional tolerance held at ±0.08mm on profile contour — tighter than the ±0.1mm spec. EN 10204 Type 3.1 mill test certificates were included with full heat traceability. Delivery completed in 18 working days from drawing approval, which was within the quoted window for new die fabrication. CMM inspection reports matched our own QC measurements exactly. Will be placing a follow-up order for the second production phase.
了解供应商
可定制
超低价
$595
1-49 吨
基准价
$570
50-99 吨
4.2% 优惠
$555
≥100 吨
6.7% 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
