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三角钢管 - 工业应用高强度结构管材
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
$610
1-49 吨
基准价
$580
50-99 吨
4.9% 优惠
$570
≥100 吨
6.6% 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
三角钢管技术规格
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | Triangular Steel Pipe | 三角形截面的异型空心型材 |
| 材质等级 | Q235B / Q345B / ASTM A500 Grade B / SS400 | 可提供碳钢和结构钢等级 |
| 标准符合性 | ASTM A500, EN 10219, GB/T 6728, JIS G3466 | 符合结构用管材的主要国际标准 |
| 制造工艺 | ERW（电阻焊）/ 冷弯成型 | 由钢带辊压成型并焊接 |
| 碳（C） | ≤0.26% | 按 ASTM A500 Grade B 的碳含量 |
| 锰（Mn） | ≤1.35% | 提高强度和淬透性 |
| 磷（P） | ≤0.035% | 控制以保证延展性 |
| 硫（S） | ≤0.035% | 低硫以改善焊接性 |
| 抗拉强度 | ≥400 MPa | 按适用标准的最小抗拉强度 |
| 屈服强度 | ≥250 MPa | 结构用途的最小屈服强度 |
| 延伸率 | ≥23% | 50mm 标距下的延展性 |
| 边长范围 | 20mm - 200mm | 可提供的三角形边长选项 |
| 壁厚 | 1.0mm - 10.0mm | 标准及定制壁厚 |
| 长度 | 5.8m - 12m 或定制 | 可提供标准及定制切割长度 |
| 表面处理 | 黑管、镀锌、涂漆、涂油 | 多种表面处理选项以提供防腐保护 |
| 应用 | 建筑、家具、围栏、装饰结构 | 广泛用于结构和装饰性应用 |
| 认证 | EN 10204 3.1, ISO 9001, SGS | 随货提供质量认证 |
| 包装 | 钢带捆扎，端部塑料帽 | 标准出口级包装 |
| MOQ | 2 tons | 生产的最小起订量 |
三角钢管 - 工业应用高强度结构管材
Triangular steel pipe is a specialty structural profile engineered with a three-sided cross-section, delivering superior load-bearing capacity and distinctive aesthetic appeal for architectural, industrial, and mechanical applications. Unlike conventional round or square tubing, this unique geometry provides exceptional torsional rigidity while reducing material weight by up to 15% compared to equivalent solid sections. Our mill-direct triangular steel tubing serves fabricators, construction firms, and equipment manufacturers across more than 40 countries, with each piece manufactured according to strict dimensional tolerances and international material standards.
什么是三角钢管？
三角钢管是指通过冷弯或热轧工艺成型为等边或等腰三角形截面的空心结构钢管。该型材将封闭空心截面的结构效率与角形几何优势相结合，使其成为传统型材无法满足设计或性能要求时的首选。
三角钢管技术规格
我们的三角钢管按照 ASTM A500 Grade B/C 和 EN 10219-1:2006 标准制造。关键参数包括：
| 参数 | 范围 |
|---|---|
| 边长 | 20 mm – 200 mm |
| 壁厚 | 1.0 mm – 12.0 mm |
| 长度 | 1,000 mm – 12,000 mm（可定制长度） |
| 材料牌号 | Q235B, Q345B, S235JR, S355J2, ASTM A36, A500 Grade B/C |
| 屈服强度（Q345B） | ≥ 345 MPa |
| 抗拉强度（Q345B） | 470–630 MPa |
| 表面处理 | 黑材、镀锌（按 ASTM A123 热浸镀）、涂漆或粉末喷涂 |
三角结构钢管的主要优势
- 卓越的抗扭刚度： 角形几何结构比同等重量的圆管更有效地抵抗扭转力，使其成为桁架框架和支撑柱的理想选择。
- 材料效率： 在某些载荷配置下，三角形型材以比矩形空心型材少约 10–15% 的钢材实现相当的结构完整性。
- 建筑多功能性： 独特的三面形状在装饰立面、扶手、家具框架和现代建筑设计中得到广泛应用。
- 出色的焊接性能： 每侧的平坦表面允许按照 AWS D1.1 结构焊接规范要求进行一致的角焊缝和对接焊缝。
常见应用
三角形钢管在多个行业中发挥着关键作用。在建筑中，它通常用于空间框架结构、屋架和雨棚支撑。机械工程师指定三角形管材用于输送机框架、农业设备和天线桅杆，这些场合抗旋转性至关重要。此外，这种型材是需要视觉独特元素的艺术装置、定制家具和景观结构的首选。
常见问题
三角形钢管的最小起订量（MOQ）是多少？
我们的标准起订量从库存尺寸的 1 公吨起。对于定制尺寸或特殊材料等级，最小订单通常为 3–5 公吨，具体取决于生产排程。
你们提供材质测试证书吗？
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？
常备规格的标准三角管在 7–10 个工作日内发货。定制生产订单，包括非标边长或特殊涂层，自订单确认起需 20–30 个工作日。
能否按定制尺寸切割？
当然可以。我们提供精密切割、坡口、钻孔及端部加工服务。切割公差按 EN 10219-2 要求控制在 ±1.0 mm 以内，所有定制加工均在发货前完成。
获取三角钢管有竞争力的报价
准备以工厂竞争性价格采购优质三角钢管？立即联系我们的技术销售团队，提供您所需的尺寸、材质等级、数量及表面处理规格。我们将在 24 小时内提供详细报价，并附有发往全球项目现场的 FOB、CIF 或 DDP 交货条款物流方案。
评分与评价
Robert Brown
United Kingdom
2025-01-31
Acceptable Triangular Pipe Quality — Surface Issue Resolved After Complaint
Ordered 4 tons of black triangular steel pipe, 70mm side, 3.5mm wall, S235JR, for a landscape structure installation. Material mechanical properties were compliant — 3.1 certificates confirmed yield at 248 MPa. However, approximately 15% of pieces in the first delivery showed minor mill scale pitting on one face, which required additional surface preparation before painting, adding roughly half a day of labor. Raised the issue with the sales team; they responded within 4 hours, acknowledged the problem, and arranged a partial credit that covered our extra processing cost. Second partial shipment of replacement pieces arrived in good condition with no surface issues. The resolution was handled professionally, but the initial quality control on surface finish could be tighter. Would consider ordering again for non-cosmetic structural applications.
Wei Chen
Singapore
2025-02-22
Reliable Triangular Steel Tubing — Consistent Quality Across Multiple Orders
We have placed four orders totaling approximately 28 tons of triangular steel pipe over the past year, primarily 30mm and 50mm side lengths in Q235B and Q345B for redistribution to furniture and display fixture manufacturers in Southeast Asia. Dimensional consistency between batches has been very good — our customers rarely raise quality complaints, which matters a lot for repeat business. EN 10204 3.1 certificates are always included and match the marked heat numbers on the bundles. Pricing is fair for mill-direct supply, though we have seen slight fluctuations tied to steel market movements. The one area for improvement is response speed on weekend inquiries, but weekday communication is prompt. Solid supplier for ongoing volume business.
Michael Johnson
United States
2025-03-16
Excellent Custom-Cut Triangular Pipe for Space Frame Project
We needed 10 tons of triangular steel pipe in a non-standard 120mm isosceles section, 6.0mm wall, ASTM A500 Grade C, cut to seven different custom lengths ranging from 1,800mm to 4,500mm for a large-span space frame structure in Texas. Custom manufacturing lead time was 24 business days — right in line with the 20–30 day quote. Cutting tolerances measured at ±0.7mm across a sample of 30 pieces, tighter than the ±1.0mm EN 10219-2 spec. Bevel finishing on the ends was clean and required no secondary grinding before welding. This was our first order from this mill; we compared three suppliers on price and technical responsiveness before choosing. Will be the primary source for triangular profiles going forward.
William Taylor
Australia
2025-04-13
Premium Triangular Steel Pipe — Antenna Mast Application
Ordered 3.5 tons of triangular structural tubing, 100mm side, 5.0mm wall, S355J2 grade with powder-coat finish, for a series of remote-site antenna masts in Western Australia. The rotational resistance of the triangular section was the primary reason we specified this profile over round tube — our structural engineer confirmed it reduced the required section size by roughly 12% for the same torsional load. EN 10204 3.1 certificates were provided with the shipment and included full heat traceability. Powder-coat adhesion was tested on arrival and passed our internal 3mm cross-cut test. Quoted within 18 hours of inquiry, and the technical team answered detailed questions about moment of inertia values for our load calculations. Very professional throughout.
Carlos Silva
Brazil
2025-05-11
Good Value Triangular Tubing — Minor Lead Time Adjustment Needed
Placed an order for 5 tons of triangular steel pipe, 40mm side length, 2.0mm wall, ASTM A500 Grade B, for agricultural equipment frames. Material quality was solid — yield strength confirmed at 318 MPa on the 3.1 mill certificates, and weld performance during fabrication was consistent across all pieces. Pricing was competitive versus local distributors in São Paulo. The only issue was that delivery took 14 business days instead of the quoted 10 for stock sizes, which caused a minor schedule delay on our production line. Technical sales team communicated proactively about the delay and offered partial shipment, which we appreciated. Overall a reliable supplier; would order again with a buffer in the timeline.
Ahmed Al-Hassan
UAE
2025-06-02
Outstanding Hot-Dip Galvanized Triangular Pipe for Facade Structure
Sourced 6 tons of hot-dip galvanized triangular steel pipe, 50mm side, 2.5mm wall, Q235B material, for a decorative facade and handrail system on a mixed-use development in Dubai. Galvanizing coating thickness averaged 92 microns per ASTM A123, which exceeded our project specification of 85 microns minimum. The three-sided profile gave the architect exactly the visual effect required — several subcontractors on site asked where we sourced it. Pre-shipment inspection report and packing list arrived 48 hours before vessel departure. CIF delivery to Jebel Ali was smooth with no customs documentation issues. Will use again for Phase 2 of this project.
Hans Mueller
Germany
2025-06-24
Superior Torsional Performance — Triangular Tubing for Conveyor Frames
We specified 8 tons of triangular steel tubing, 80mm equilateral section, 4.0mm wall, S355J2 grade, for conveyor frame assemblies in our automated packaging line. Chemical composition and tensile data on the EN 10204 Type 3.1 certificates matched our engineering requirements exactly — tensile strength 498 MPa, well within the 470–630 MPa range. Torsional rigidity under dynamic load testing exceeded our design calculations by approximately 8%, which we attribute to the triangular geometry. Compared quotes from four European distributors; mill-direct pricing was 11% lower. Custom cut-to-length service to 3,200mm was precise and saved us significant secondary processing time.
James Wilson
United Kingdom
2025-07-09
Excellent Triangular Steel Pipe for Roof Truss Project
Ordered 12 tons of triangular steel pipe in Q345B grade, 60mm side length, 3.0mm wall thickness for a large commercial roof truss project in Manchester. Mill test certificates confirmed yield strength at 362 MPa, fully compliant with EN 10219-1:2006. Dimensional tolerances were spot-on — we checked 20 random pieces and all were within ±0.8mm. Delivered in 9 business days, one day ahead of the quoted lead time. The flat surfaces made fillet welding noticeably easier compared to round tube, and our welding team commented on the consistency. This is our second order and we have already placed a third for an upcoming canopy structure.
了解供应商
可定制
超低价
$610
1-49 吨
基准价
$580
50-99 吨
4.9% 优惠
$570
≥100 吨
6.6% 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
