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建筑结构支撑用钢管 | 工厂直供

中和建材有限公司
已认证 定制生产厂家 · 3 年 · 中国 China
可定制 超低价
$620 1-49 吨 基准价
$593 50-99 吨 4.4% 优惠
$579 ≥100 吨 6.6% 优惠
价格有效期:随行就市

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最小起订量: 1 吨

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商品小计 US$ 620.00
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建筑结构支撑用钢管技术规范

属性参数描述
产品名称建筑结构支撑用钢管用于柱、框架、桁架和承重系统的空心结构钢管
材质等级ASTM A500 Gr.B/C; EN 10210 S355J2H; GB/T 6728 Q355B; JIS G3466 STKR490具有国际等效牌号的高强度低合金结构钢等级
标准符合性ASTM A500 / A53; EN 10210 / EN 10219; GB/T 6728 / GB/T 8162; JIS G3466涵盖用于建筑的热成型和冷成型空心结构型材
化学成分C ≤ 0.23%, Mn ≤ 1.60%, P ≤ 0.035%, S ≤ 0.035%, Si ≤ 0.40%, Cu ≤ 0.35%成分符合 ASTM A500 Gr.B;确保可焊性和结构完整性
抗拉强度≥ 483 MPa (70,000 psi) — ASTM A500 Gr.B; ≥ 470 MPa — EN S355J2H最低极限抗拉强度,确保结构荷载下的承载能力
屈服强度≥ 317 MPa (46,000 psi) — ASTM A500 Gr.B; ≥ 355 MPa — EN S355J2H按各自标准进行结构设计计算的最低屈服点
伸长率≥ 23%(标距 2 in / 50 mm)确保抗震和动态结构应用具有足够的延展性
管型圆形、方形、矩形 HSS(空心结构型材)提供 CHS、SHS 和 RHS 型材,以适应各种结构配置
尺寸范围外径:21.3–914 mm;壁厚:1.6–50 mm;长度:6 m / 12 m 或定制广泛的尺寸范围,涵盖轻型框架到重型结构柱和梁
制造工艺ERW(电阻焊)、SAW(埋弧焊)、无缝高应力柱优选无缝;ERW 适用于一般结构用途
表面处理黑材(轧制表面)、热浸镀锌(≥ 85 μm)、环氧涂层、底漆涂装镀锌处理按 ASTM A123 执行,用于外露结构的防腐保护
热处理正火或轧制态;可根据要求提供去应力处理正火可提高关键结构构件的韧性和均匀性
应用建筑柱、空间网架、桁架、脚手架、幕墙支撑、桥梁广泛用于商业、工业和住宅钢结构建筑
认证ISO 9001:2015、CE 认证(EN 1090)、材质证明书(EN 10204 3.1/3.2)可提供第三方检验;MTR 可追溯至炉号和批号
包装六角形或方形捆扎;钢带打包;配端盖单捆重量通常为 2–5 MT;可定制包装以适应集装箱或散装运输
MOQ每种尺寸/牌号 25 MT(整柜可协商混装尺寸)接受试订单;可提供 FOB、CFR、CIF 条款;交货期 15–30 天

建筑结构支撑用钢管 | 钢厂直供

建筑结构支撑用钢管是现代建筑中最关键的承重部件之一,提供建筑师和结构工程师所要求的强度、尺寸一致性和长期耐久性。无论是应用于高层框架、工业仓库、桥梁立柱还是住宅基础,结构钢管都能提供无与伦比的轴向抗压强度和抗扭刚度组合。这些钢管按照包括 ASTM A53、ASTM A500、EN 10210 和 GB/T 8162 在内的国际标准制造,在发货前经过严格的工厂测试,以验证壁厚均匀性、屈服强度和焊缝完整性。根据牌号不同,抗拉强度值通常在 330 MPa 至 620 MPa 之间,而 Grade B 碳钢的屈服强度从 250 MPa 起,结构钢管能够可靠地在复杂建筑系统中传递竖向和侧向荷载。我们的钢厂直供供应链消除了中间商加价,使承包商和开发商能够以具有成本效益的价格获得认证产品,并附有完整的可追溯性文件。

建筑结构支撑用钢管供应商

什么是建筑结构支撑用钢管?

建筑结构支撑用钢管是指空心管状钢截面——有圆形、方形和矩形截面可供选择——专门设计用于在建筑的主要和次要结构框架中承受压缩、拉伸和弯曲荷载。这些钢管通过无缝或电阻焊(ERW)工艺生产,符合严格的尺寸公差(外径公差 ±1%)和最小壁厚要求,确保在建筑整个使用寿命期间所有荷载场景下具有可预测的结构性能。

建筑结构支撑用钢管制造商

建筑结构支撑用钢管技术规格

我们的结构钢管供货规格范围广泛,以满足多样化的工程需求:

  • 标准: ASTM A53 Grade B、ASTM A500 Grade C、EN 10210-1、GB/T 8162
  • 外径: 21.3 mm – 914 mm(无缝);最大 2,000 mm(焊接)
  • 壁厚: 2.0 mm – 100 mm
  • 屈服强度: 250 MPa – 500 MPa(取决于牌号)
  • 抗拉强度: 330 MPa – 620 MPa,按适用标准最小值
  • 延伸率: ≥ 22%(ASTM A500 Grade C)
  • 表面处理: 黑管、热浸镀锌(锌层 ≥ 85 μm)、环氧涂层或底漆涂装
  • 长度: 标准 6 m / 12 m,或定制定尺切割
  • 化学成分: 碳 ≤ 0.26%、锰 ≤ 1.35%、磷 ≤ 0.035%、硫 ≤ 0.035%
  • 无损检测: 可根据要求提供水压试验、超声波检测、涡流检测

所有产品随附符合 EN 10204 3.1 的工厂测试证书(MTC),为项目文档和检验要求提供完整的化学成分和力学性能可追溯性。

获取建筑结构支撑用钢管的竞争力报价

准备以钢厂直销价格采购用于建筑结构支撑的优质钢管?我们的技术销售团队将在24小时内回复所有咨询,为单项目采购和长期批量供应合同提供量身定制的解决方案。分享您的项目规格——直径、壁厚、牌号、数量和交货目的地——我们将准备一份详细的、无义务的报价单,并附上认证材料文件。

  • 提供24/7客户支持
  • 免费样品供质量评估
  • 批量订单具有竞争力的价格
  • 专业技术咨询

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用于建筑结构支撑的钢管批发

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
Robert A.
United States
2025-02-02
Initial shipment had a surface marking issue — resolved quickly and professionally
Ordered 90 tons of 323.9mm OD x 9.5mm wall seamless pipe to ASTM A53 Grade B for foundation pile casings in Houston. When the shipment arrived, heat number markings on roughly 15% of the lengths were partially illegible due to what appeared to be a paint overspray issue during bundling. This created a traceability concern for our site inspector. I contacted the support team immediately — they responded within two hours, arranged a re-marking protocol with photographic documentation, and provided a supplementary MTC cross-reference table. Issue was resolved within 48 hours. Product mechanical properties were fully compliant. Communication during the resolution was professional and I would consider ordering again.
用户
Rachel M.
United Kingdom
2025-02-24
Reliable certified product at a price point that works for tight project budgets
We specified 50 tons of 88.9mm OD x 5mm wall ERW pipe to ASTM A53 Grade B for secondary structural framing on a school refurbishment project in Leeds. Mill-direct pricing came in noticeably below our usual stockholder quotes, and the EN 10204 3.1 MTCs satisfied our client's third-party inspector without any back-and-forth. Delivery was 20 days — acceptable, though two days longer than initially quoted. Product itself had no issues; wall thickness and OD both within tolerance on all checked sections. Good option for budget-sensitive public sector work.
用户
Stefan W.
Germany
2025-03-18
Good value on EN 10210 pipe, minor documentation delay at start
Ordered 75 tons of seamless CHS, 273mm OD x 16mm wall, EN 10210-1 S355J2H for a factory expansion near Stuttgart. Product quality was solid — tensile strength tested at 548 MPa and elongation at 24%, both comfortably within standard. Our only friction point was that the initial MTC draft had a formatting error incompatible with our German project auditor's requirements. The team corrected and reissued within four hours once flagged. Pricing was genuinely competitive versus European mill quotes. Would order again with the expectation that documentation setup is confirmed early.
用户
David C.
Australia
2025-04-09
Second bulk order — quality and pricing remain consistently strong
This is our third procurement run with this supplier. Latest order covered 200 tons of rectangular hollow sections, 250x150x10mm, to ASTM A500 Grade C for a logistics hub in Brisbane. Pricing came in 9% below our previous domestic supplier on equivalent certified product. Cut-to-length service at 7.5m saved us significant on-site labour. MTCs, packing lists, and inspection certificates arrived digitally three days before the physical shipment. Zero quality rejections across all three orders. Our project manager has already recommended this source to two sister companies.
用户
Fatima Al-R.
UAE
2025-05-01
Hot-dip galvanized pipe held up perfectly in our coastal environment
Procured 45 tons of 114.3mm OD x 6.3mm wall hot-dip galvanized structural pipe for an industrial facility near the Abu Dhabi coastline. Zinc coating thickness was independently verified at 92–98 μm, exceeding the stated ≥85 μm minimum. ASTM A53 Grade B certification documentation was complete and audit-ready. Lead time from order confirmation to port of destination was 22 days — fast for our region. Customer support responded to our logistics queries on weekends too. Repeat order already placed for Phase 2.
用户
James H.
United Kingdom
2025-05-23
Outstanding pre-sales support made specification straightforward
Our estimating team had limited experience with EN 10210-1 grade selection for a 6-storey warehouse frame in Birmingham. The technical sales team walked us through grade options, helped us compare S355NH versus S275J2H for our load calculations, and provided sample MTCs within 24 hours so our structural engineer could pre-approve the documentation format. Final order was 60 tons of 168.3mm CHS. Delivery was on schedule and the account manager kept us updated proactively. Exactly the kind of supplier relationship we want.
用户
Priya N.
India
2025-06-14
Seamless pipe specs matched GB/T 8162 perfectly for our bridge columns
We sourced 85 tons of seamless structural pipe, 355mm OD x 20mm wall, to GB/T 8162 for bridge column applications in Maharashtra. Chemical composition reports confirmed carbon at 0.22% and manganese at 1.28%, both within spec. Wall thickness tolerance held within ±0.8% across sampled lengths — tighter than the stated ±1%. Technical sales team answered our engineering queries within hours, not days. EN 10204 3.1 MTCs were fully compliant with our project inspection requirements. Will specify this supplier again.
用户
Marcus T.
United States
2025-06-29
Exceptional dimensional consistency on ASTM A500 Grade C sections
Ordered 120 metric tons of 219.1mm OD x 12.5mm wall ERW pipe to ASTM A500 Grade C for a mid-rise commercial frame in Dallas. Mill Test Certificates arrived before the shipment, and every coil of documentation matched the physical product exactly. Hydrostatic and ultrasonic NDT reports were included without extra charge. Yield strength readings averaged 368 MPa — well above the 317 MPa minimum. Delivery hit our site in 18 days. This is the technical reliability we need on critical load-bearing columns.

了解供应商

中和建材有限公司

入驻 Sinoali.com 3 年

所在地:China

FAQ

Q: What types of steel pipes do you supply for building?
A:We supply seamless steel pipes, ERW welded pipes, galvanized steel pipes, square and rectangular steel pipes for construction use.
Q: What sizes and dimensions are available?
Q: Do you accept customized length or cutting service?
Q: Do you offer galvanized or anti-corrosion treatment?
Q: What packaging and loading method do you use?
Q: Can your steel pipes be used for structural and plumbing construction?

Product Display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.

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可定制 超低价
$620 1-49 吨 基准价
$593 50-99 吨 4.4% 优惠
$579 ≥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$ 620.00
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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