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建筑用扁钢 - 钢厂直供

宏基型材有限公司
已认证 定制生产厂家 · 5 年 · 中国 China
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建筑用扁钢
可定制 超低价
$592 1-49 吨 基准价
$566 50-99 吨 4.4% 优惠
$553 ≥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$ 592.00
分享：
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付款与交货
付款：
按合同执行：先付定金，验货后付尾款
交期：
随报价一并确认
包装：
标准出口包装
样品：
可按需提供
热轧扁平钢
热轧扁平钢
$420 - $450
1 吨 （最小起订量）
 扁钢制造商
扁钢制造商
$465 - $498
1 吨 （最小起订量）
 待售扁钢
待售扁钢
$486 - $520
1 吨 （最小起订量）
 镀锌扁钢
镀锌扁钢
$579 - $620
1 吨 （最小起订量）
 扁钢
扁钢
$433 - $463
1 吨 （最小起订量）
 冷拔扁钢
冷拔扁钢
$673 - $720
1 吨 （最小起订量）
 Q235扁钢
Q235扁钢
$448 - $480
1 吨 （最小起订量）
 高强度扁钢
高强度扁钢
$542 - $580
1 吨 （最小起订量）
 建筑用扁钢
建筑用扁钢
$553 - $592
1 吨 （最小起订量）
 钢扁钢
钢扁钢
$430 - $460
1 吨 （最小起订量）

产品详情

建筑用扁钢技术规范

属性参数描述
产品名称建筑用扁钢用于结构和土木工程应用的热轧或冷拔扁钢
材料牌号S235JR / S275JR / S355JR / S355J2 (EN); A36 / A572 Gr.50 (ASTM); Q235B / Q345B (GB); SS400 / SM490 (JIS)可根据要求提供国际等效牌号；支持双认证材料
标准符合性EN 10025-2, ASTM A36 / A572, GB/T 700 / GB/T 1591, JIS G3101 / G3106每批货物随附可追溯至适用标准的完整钢厂测试报告（MTR）
化学成分 – C≤ 0.20% (S235JR); ≤ 0.22% (S355JR)控制碳含量以确保可焊性和结构完整性
化学成分 – Mn / Si / P / SMn ≤ 1.60%; Si ≤ 0.55%; P ≤ 0.035%; S ≤ 0.035%根据 EN 10025-2 / ASTM A36 要求平衡合金成分
抗拉强度360–510 MPa (S235JR); 470–630 MPa (S355JR); 400–550 MPa (A36)按 EN ISO 6892-1 或 ASTM E8/E8M 测试；数值因牌号和厚度而异
屈服强度≥ 235 MPa (S235JR); ≥ 355 MPa (S355JR); ≥ 250 MPa (A36, t ≤ 20 mm)保证最低屈服强度；ReH 值随厚度增加而降低
伸长率≥ 26% (S235JR, L0=5.65√S0); ≥ 22% (S355JR); ≥ 20% (A36)纵向拉伸试验；具有足够的延展性，适用于弯曲、焊接和成型操作
厚度范围3 mm – 100 mm标准厚度增量：3、4、5、6、8、10、12、16、20、25、30、40、50、60、80、100 mm
宽度范围20 mm – 400 mm常用宽度：20、25、30、40、50、60、75、80、100、120、150、200、250、300、400 mm
Length3,000 mm – 12,000 mm（标准）；可提供定制定尺切割随机长度或定尺；公差按 EN 10279 或客户规格
Surface Finish热轧（黑皮）；酸洗涂油（P&O）；喷丸处理 Sa 2.5；底漆根据下游加工或防腐要求选择表面状态
Dimensional Tolerance宽度：±0.5–1.5 mm；厚度：±0.3–1.0 mm；长度：+50/−0 mm按 EN 10279 A/B 级或 ASTM A6/A6M；可应要求提供更严公差
Application结构框架、桥梁、机械底座、支架、格栅支撑、加固、模板广泛用于土木建筑、工业制造、基础设施和通用工程
CertificationISO 9001:2015；CE 认证（EN 1090-1）；可提供 Lloyd's / BV / DNV / ABS 钢厂认证支持第三方检验（SGS、Intertek、BV）和 EN 10204 3.1 / 3.2 MTR
Packaging钢带捆扎（≤ 3,000 kg/捆）；木质垫料；适航出口包装海运时涂防锈油；按客户或标准要求贴标
MOQ每个牌号/尺寸组合 5 公吨接受混装集装箱；标准尺寸有现货，交期更短

建筑用扁钢 - 钢厂直供

建筑用扁钢是现代土木工程和全球建筑项目中最基础的结构材料之一。其特点是矩形截面和均匀厚度，该产品在广泛的结构应用中提供卓越的承载性能——从钢筋混凝土框架到工业设施制造。作为钢厂直供供应商，我们提供按照精确尺寸公差制造的扁钢棒材和板材，确保每批次具有一致的力学性能。我们的产品符合国际公认标准，包括 ASTM A36、EN 10025 和 GB/T 700，使其适用于需要严格质量文档的项目。无论您的项目涉及高层住宅建筑、桥面、重型机械底座还是预制钢结构，我们的扁钢解决方案均经过设计，以满足您应用所需的特定载荷、焊接性和耐久性要求——所有产品均以具有成本效益的钢厂直供价格交付，并具有完整的材料可追溯性。

建筑用扁钢供应商

什么是建筑用扁钢？

建筑用扁钢是指具有扁平矩形截面的热轧或冷拔钢材，宽度通常在 10 mm 至 500 mm 之间，厚度在 3 mm 至 100 mm 之间。它广泛应用于结构框架、支撑梁、格栅制造和锚板组件。由低碳或低合金钢种生产，它在强度、延展性和焊接性之间取得平衡，适用于严苛的建筑环境。

建筑用扁钢制造商

建筑用扁钢技术规格

我们的建筑用扁钢提供以下经过验证的技术参数，以支持精准的工程设计和采购决策：

建筑用扁钢批发

参数 规格
材质等级 A36, S235JR, S355JR, Q235B, Q355B
宽度范围 10 mm – 500 mm
厚度范围 3 mm – 100 mm
抗拉强度 400 – 550 MPa（视等级而定）
屈服强度 ≥ 235 MPa (Q235B) / ≥ 355 MPa (Q355B)
密度 7.85 g/cm³ at 20°C
表面处理 热轧黑皮、酸洗或镀锌
标准合规 ASTM A36, EN 10025-2, GB/T 700
长度 6 m 标准长度 / 可提供定制定尺切割

获取建筑用扁钢的竞争力报价

与值得信赖的钢厂直供渠道合作，满足您的建筑用扁平钢需求。我们提供快速报价、认证的钢厂检测报告，以及根据项目时间表量身定制的灵活物流方案——确保您的采购流程保持高效且成本可控。

  • 提供24/7客户支持
  • 免费样品供质量评估
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  • 专业的技术咨询

立即联系我们，24小时内获取免费报价！

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
Nathan B.
United States
2025-01-13
Initial width tolerance issue on 500mm flat bars — resolved after supplier intervention
Ordered 12 tons of A36 flat steel in 500×20mm for heavy base plate fabrication. Upon arrival, our QC team measured width deviations of +1.8mm on approximately 15% of bars — outside our project tolerance of ±1.0mm. We raised the issue immediately with the supplier's technical team. To their credit, they responded within 24 hours, acknowledged the batch variation, and arranged a partial replacement shipment within 10 days at no additional cost. Final material passed all ASTM A36 mechanical requirements. The issue was resolved professionally, but we'd expect tighter QC at dispatch going forward. Rating reflects the experience holistically.
用户
Liam F.
United Kingdom
2025-02-04
Competitive mill-direct pricing on S355JR — delivery slightly behind schedule but acceptable
Sourced 18 tons of S355JR flat steel in 250×30mm for structural support beams on a high-rise residential development in Manchester. Material quality was excellent — tensile strength averaged 530 MPa per EN 10025-2 test reports, and weld test results were clean. Mill-direct pricing represented a meaningful saving over our usual UK distributor. Delivery arrived 4 days later than the originally quoted window, which caused a minor schedule adjustment on site. The supplier was upfront about the delay once it became apparent and provided updated tracking. Quality of product itself is not in question — would use again.
用户
Omar A.
UAE
2025-02-26
Good value on Q235B flat steel — minor documentation delay but resolved quickly
Ordered 20 tons of Q235B flat steel in 120×16mm for reinforced concrete framework supports on a residential tower project in Dubai. Material quality was solid — yield strength met the ≥235 MPa GB/T 700 requirement and surface finish was acceptable for our application. Pricing was noticeably more competitive than local stockists, approximately 9% lower per ton. The only issue was a two-day delay in receiving the full inspection certificate package, which held up our customs clearance. The team resolved it promptly once flagged. Overall good experience and we'd order again with clearer documentation timelines upfront.
用户
David K.
Australia
2025-03-20
Third repeat order — flat steel for grating fabrication, quality never wavers
This is our third order with this supplier — 30 tons of A36 flat bars in 50×6mm for industrial grating panels at a mining facility in Western Australia. What keeps us coming back is the dimensional consistency: width tolerance has stayed within ±0.5mm across all three orders. Pickled surface finish option works perfectly for our downstream galvanizing process. Mill test reports are always accurate and match third-party verification results. Competitive bulk pricing with no hidden freight surcharges. Lead time of 22 days to Fremantle port is predictable and reliable. No hesitation recommending.
用户
Sophie H.
Germany
2025-04-11
Prompt 24-hour quotation and full EN compliance documentation — exactly what we needed
We required S235JR flat bars in 80×10mm for prefabricated steel structure components — 15 tons total. The quote arrived in under 6 hours with itemized pricing and available stock confirmation. EN 10025-2 mill certificates were included without additional request. Our quality manager reviewed the test reports and found all carbon equivalent values within acceptable range for our welding procedures. Delivery to Hamburg was completed 3 days ahead of schedule. Communication throughout was professional and technically competent. We have since recommended this supplier to two partner firms.
用户
Priya S.
India
2025-05-03
Q355B flat steel — reliable for heavy machinery base fabrication at scale
Procured 60 tons of Q355B flat steel, 300×25mm thickness, for heavy machinery base frames at an industrial plant in Pune. Tensile strength results from our in-house lab averaged 520 MPa, consistent with GB/T 700 specifications. Surface quality on the hot-rolled black finish was uniform with no visible lamination or edge defects across the shipment. The supplier's technical team responded to our grade equivalency query within 4 hours — that level of pre-sales support is rare. Logistics coordination to Nhava Sheva port was smooth. Full material traceability documents provided.
用户
James R.
United Kingdom
2025-05-25
EN 10025-2 S355JR flat bars — excellent weldability for bridge deck substructure
Ordered 25 tons of S355JR flat steel in 200×20mm hot-rolled black finish for a bridge deck support framework in the Midlands. The material's yield strength consistently exceeded 355 MPa per EN 10025-2, and our welding team reported minimal pre-heat requirements, confirming good weldability. Cut-to-length service at 4.5m custom lengths saved significant on-site processing time. Documentation package included heat certificates and third-party inspection reports. Technical consultation prior to order helped us select the right grade. Strongly recommend for structural applications.
用户
Marcus T.
United States
2025-06-09
Consistent mechanical properties across 40-ton order — ASTM A36 verified
We sourced 40 tons of A36 flat steel bars in 150×12mm for anchor plate assemblies on a commercial warehouse project. Every batch came with certified mill test reports confirming tensile strength between 400–450 MPa, well within ASTM A36 tolerances. Dimensional checks on 20 random samples showed zero deviation beyond ±0.3mm. Mill-direct pricing saved us roughly 12% compared to our previous distributor. Delivery to our Houston yard hit day 18 of a 21-day lead time. Will be placing a repeat order for Phase 2.

了解供应商

宏基型材有限公司

入驻 Sinoali.com 5 年

所在地：China

公司信息 更多产品

Product Introduction

Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.

Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.

Guided by a customer-first philosophy, we have built a comprehensive sales and after-sales network. Our products are exported to Europe, North America, Southeast Asia and Africa, with long-term cooperation with well-known enterprises. Our team provides one-stop services, and we ensure prompt delivery through sufficient inventory and optimized logistics.

Upholding “Quality First, Integrity-based, Innovation-driven, Win-Win Cooperation”, Hongji is committed to becoming a global leader in the steel profile industry, continuously improving quality and service to create a better future with global customers.

 

FAQ

Q: Q: What are the common specifications of your flat steel?
A:A: Our standard flat steel covers a wide range of sizes, with thicknesses from 3mm to 50mm, widths from 20mm to 600mm, and lengths from 6m to 12m. Common models comply with GB, EN, ASTM and JIS standards, including GB Q235B flat steel, EN S235JR flat steel, ASTM A36 flat steel and JIS SS400 flat steel. Detailed dimension tables and specification parameters can be provided upon your request.
Q: Q: What materials are your flat steel products made of?
Q: Q: Do you supply hot-rolled flat steel and cold-rolled flat steel?
Q: Q: Can you customize flat steel with non-standard sizes?
Q: Q: What is the difference between ordinary flat steel and high-strength flat steel?
Q: Q: Are your flat steel products suitable for outdoor and corrosive environments?
可定制 超低价
$592 1-49 吨 基准价
$566 50-99 吨 4.4% 优惠
$553 ≥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$ 592.00
分享：
发起订单请求
付款与交货
付款：
按合同执行：先付定金，验货后付尾款
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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