面向进口商、经销商与项目买家的中国钢材采购服务
登录 免费注册

扁钢 - ASTM认证钢厂直供制造商 |

宏基型材有限公司
已认证 定制生产厂家 · 5 年 · 中国 China
图片缩略图
图片缩略图
图片缩略图
图片缩略图
扁钢
可定制 超低价
$463 1-49 吨 基准价
$443 50-99 吨 4.3% 优惠
$433 ≥100 吨 6.5% 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$ 463.00
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
冷拔扁钢
冷拔扁钢
$673 - $720
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）
 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）
 钢扁钢
钢扁钢
$430 - $460
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）
 Q235扁钢
Q235扁钢
$448 - $480
1 吨 （最小起订量）
 热轧扁平钢
热轧扁平钢
$420 - $450
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）

产品详情

扁钢技术规格

属性参数说明
产品名称扁钢具有矩形截面的热轧或冷拔扁钢棒
材质牌号S235JR / S355JR / A36 / Q235 / Q345EN 10025 对应关系：S235JR≈A36≈Q235；S355JR≈A572 Gr.50≈Q345
标准符合性EN 10058 / ASTM A36 / JIS G3194 / GB/T 702热轧扁钢棒的尺寸和力学性能标准
化学成分 (C)≤ 0.20% (S235JR) / ≤ 0.24% (S355JR)碳含量，控制焊接性和硬度
化学成分 (Mn)≤ 1.50% (S355JR) / ≤ 1.40% (S235JR)锰可提高抗拉强度和韧性
化学成分 (P/S)P ≤ 0.035% / S ≤ 0.035%根据 EN 10025-2 对结构质量的磷和硫限制
抗拉强度360–510 MPa (S235JR) / 470–630 MPa (S355JR)依据 EN 10025-2；ASTM A36：400–550 MPa
屈服强度≥ 235 MPa (S235JR) / ≥ 355 MPa (S355JR)根据 EN 10025-2，厚度 ≤ 16 mm 时的最小屈服强度
伸长率≥ 26% (S235JR) / ≥ 22% (S355JR)根据 EN 10025-2 的最小断裂伸长率 (A80mm)
厚度范围3 mm – 100 mm根据 EN 10058 / GB/T 702 的标准热轧扁钢厚度
宽度范围10 mm – 400 mm可供宽度；可根据要求提供定制宽度
长度3,000 mm – 12,000 mm（标准）/ 可定尺切割定尺或乱尺；公差依据 EN 10058 A/B 级
表面处理热轧（黑皮）/ 酸洗涂油 / 冷拔（光亮）带氧化皮的热轧表面；酸洗涂油可提高耐腐蚀性；冷拔可实现严格公差
尺寸公差宽度：±0.5–2.0 mm / 厚度：±0.3–1.5 mm按 EN 10058 普通公差等级；冷拔可提供更严格公差
应用结构制造、机械零件、建筑、支架、框架、输送系统广泛用于土木工程、制造业和一般金属加工
认证钢厂质保书（EN 10204 3.1 / 3.2）、ISO 9001:2015可提供第三方检验；结构应用可提供 CE 标志
包装钢带捆扎、木垫、防水纸包裹捆重：1–3 MT；可提供适合海运的出口包装
MOQ1 MT（现货） / 5 MT（定制订单）现货订单接受混合牌号和尺寸

扁钢 - ASTM认证钢厂直供制造商

扁钢是现代工业制造、建筑和加工领域中最通用、结构上最不可或缺的钢材产品之一。扁钢通过精密热轧或冷轧工艺生产，在严苛应用中提供一致的尺寸精度、优异的表面光洁度和可靠的机械性能。从重型结构框架和桥梁构件到汽车底盘、造船和机械制造，扁钢在需要强度、成形性和尺寸稳定性的关键场合发挥着重要作用。作为ASTM认证的钢厂直供制造商，我们供应的扁钢产品符合包括ASTM A36、ASTM A572和ASTM A516在内的严格国际标准，确保每一批货物都能满足您项目所需的性能。我们的垂直一体化生产能力使我们能够以钢厂直供价格供货，无需中间商加价，为管理大批量或长期供应需求的采购团队提供可量化的成本优势。无论您需要标准库存尺寸还是定制切割规格，我们的技术团队随时准备从询价到交付全程支持您的采购需求。

扁钢供应商

什么是扁钢？

扁钢是指一类横截面为矩形、宽度显著大于厚度的轧制钢材产品。它包括扁钢条、钢板、薄钢板和带钢，由碳钢、合金钢或高强度低合金（HSLA）钢种制造。扁钢在全球范围内的结构制造、压力容器制造、运输设备和通用工程建设中有着广泛的应用。

扁钢制造商

扁钢技术规格

我们的扁钢产品按照精确的尺寸和力学标准制造，以确保符合项目规格：

  • 宽度范围：20 mm – 600 mm；厚度范围：3 mm – 100 mm
  • 屈服强度：最低 250 MPa（ASTM A36）至 690 MPa（ASTM A514 高强度级别）
  • 抗拉强度：400 MPa – 760 MPa，取决于牌号和热处理
  • 密度：20°C 时为 7.85 g/cm³（碳钢牌号）
  • 表面状态：热轧黑皮、酸洗涂油（P&O）或冷轧光亮表面
  • 长度：标准 6 m / 12 m 或按订单定制定尺
  • 标准：ASTM A36、A572 Gr.50、A516 Gr.70、EN 10025 S235/S355、GB/T 700 Q235/Q345
  • 钢厂质保书：每批货物随附，可应要求提供第三方检验

所有扁钢产品在发货前均经过超声波检测、尺寸检验和力学性能验证，确保从炉号到最终产品的全程可追溯性。

获取扁钢有竞争力的报价

与值得信赖的 ASTM 认证扁钢制造商合作，享受钢厂直销价格、可靠的交货周期和专属技术支持。我们的全球物流网络确保准时送达全球各大港口，并提供灵活的包装方案，适用于海运、铁路或公路运输。立即联系我们的销售团队，讨论您的规格和数量需求。

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

立即联系我们，24小时内获取免费报价！

扁钢批发

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
Rajesh K.
India
2025-02-02
Initial surface quality concern on P&O finish — resolved satisfactorily
Our first order was 20 tons of pickled and oiled flat steel, 120mm × 8mm, to ASTM A36 for automotive component brackets. Upon arrival, we noticed minor uneven oiling coverage on roughly 5% of the bars, which raised concern for our corrosion protection process. We raised this immediately with the sales team. To their credit, they responded within 24 hours, arranged a partial replacement shipment for the affected pieces, and provided a root cause explanation from their quality department. Mechanical properties and dimensions were correct throughout. Issue was resolved within 10 days. We gave them a second order and that shipment was perfect.
用户
Sarah M.
United Kingdom
2025-02-24
Competitive pricing on bulk ASTM A572 flat steel — documentation could be faster
We ordered 55 tons of ASTM A572 Gr.50 flat steel plates, 300mm wide × 30mm thick, for heavy machinery base frames. The material itself was excellent — mechanical properties confirmed by our in-house testing lab matched the mill certificates exactly. Mill-direct pricing beat our previous supplier by a clear margin on this volume. Only reason for 4 stars rather than 5: full documentation pack took about 5 business days to arrive after shipment, slightly longer than we'd prefer for our project scheduling. Quality of the steel itself is not in question — we'll order again.
用户
Liam C.
Australia
2025-03-18
Good value ASTM A36 flat bar — minor lead time variance on first order
Purchased 30 tons of ASTM A36 flat bar, 100mm × 16mm, for industrial building frame fabrication in Queensland. Product quality was solid — yield strength, tensile strength, and elongation all met ASTM A36 requirements per the mill certificates. Pricing was genuinely competitive versus local distributors, saving us roughly 8% on material cost. First shipment arrived 4 days later than the original estimate due to port congestion, though the team communicated proactively. Overall good value for a first-time international order and we're planning a follow-up purchase.
用户
Thomas B.
Germany
2025-04-09
Cold-rolled bright finish flat steel met EN 10025 and our internal QA standards
We specified cold-rolled bright finish flat steel, 80mm wide × 6mm thick, to EN 10025 S235 for precision machinery components. Dimensional accuracy was excellent — width tolerance held within ±0.3mm across the full 12-meter lengths. Surface roughness was consistent and suitable for direct machining without additional surface work. Mill certificates included full chemical composition and mechanical test data. Our internal QA team conducted incoming inspection and found zero non-conformances across a 15-ton sample batch. We will be increasing our quarterly volume with this supplier.
用户
Ahmed R.
UAE
2025-05-01
Fast turnaround and solid documentation for shipbuilding flat steel
Ordered 60 tons of EN 10025 S355 equivalent flat steel, 200mm wide × 12mm thick, for a shipbuilding subcontractor in Dubai. The team confirmed stock availability within 2 hours of inquiry and had shipping documents ready within 3 days of payment. Third-party SGS inspection was arranged smoothly at their mill. Tensile strength results came in at 520 MPa — well within S355 specification. Jebel Ali port delivery was on time. Customer support team is responsive even outside standard business hours, which matters a lot for our procurement timelines.
用户
James W.
United Kingdom
2025-05-23
Reliable mill-direct supply for ongoing structural steel contracts
We've been procuring ASTM A36 flat bars, 50mm × 10mm, in monthly batches of approximately 20 tons for general structural fabrication work across the UK. What sets this supplier apart is the consistency — dimensional tolerances are tight every single shipment, and the hot-rolled black surface finish is clean enough for direct painting without additional preparation. Sales team proactively communicates shipping updates. Having mill-direct pricing without broker markups has meaningfully improved our project margins. We've now placed six consecutive orders without a single quality rejection.
用户
Priya S.
India
2025-06-14
Consistent ASTM A516 Gr.70 plates for pressure vessel manufacturing
Our third consecutive order — this time 80 metric tons of ASTM A516 Gr.70 flat steel plates, 25mm thickness, for pressure vessel shells. Charpy impact test values at -20°C exceeded specification minimums on every heat. Surface condition on the pickled and oiled finish was uniform with no pitting or scale inclusions. Full traceability documentation from melt heat to dispatch was provided without any follow-up requests needed. Delivery to Nhava Sheva port completed two days ahead of schedule. Highly recommended for critical pressure applications.
用户
Marcus T.
United States
2025-06-29
Exceptional ASTM A572 Gr.50 flat bar quality for bridge fabrication
We sourced 45 metric tons of ASTM A572 Gr.50 flat steel, 150mm wide × 20mm thick, for a bridge component project in Texas. Mill test certificates were provided promptly and matched every mechanical property requirement — yield strength consistently above 345 MPa. Ultrasonic testing results were clean across all plates. Lead time was 18 days to Houston port, exactly as quoted. Technical team answered our weld procedure questions within hours. This is the standard we expect from a certified mill-direct supplier.

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
$463 1-49 吨 基准价
$443 50-99 吨 4.3% 优惠
$433 ≥100 吨 6.5% 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$ 463.00
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

店铺推荐

碳素方钢棒
碳素方钢棒
$542 - $580
最小起订量： 1 吨
 建筑用钢H型梁
建筑用钢H型梁
$486 - $520
最小起订量： 1 吨
 A36角钢
A36角钢
$523 - $560
最小起订量： 1 吨
 高强度扁钢
高强度扁钢
$542 - $580
最小起订量： 1 吨
 Q235 H型钢
Q235 H型钢
$434 - $465
最小起订量： 1 吨
 铁路钢轨
铁路钢轨
$580 - $621
最小起订量： 1 吨
 方钢价格
方钢价格
$579 - $620
最小起订量： 1 吨
 不锈钢角钢
不锈钢角钢
$2428 - $2600
最小起订量： 1 吨
 冷拔扁钢
冷拔扁钢
$673 - $720
最小起订量： 1 吨
 热轧角钢
热轧角钢
$448 - $480
最小起订量： 1 吨
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