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热轧扁钢 - 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
可定制 超低价
$450 1-49 吨 基准价
$430 50-99 吨 4.4% 优惠
$420 ≥100 吨 6.7% 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$ 450.00
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

产品详情

热轧扁钢技术规范

属性参数描述
产品名称热轧扁钢用于结构和制造用途的工业级热轧扁钢
材质牌号Q235B / SS400 / A36 / S235JR对应 GB、JIS、ASTM 和 EN 标准中的等效牌号
标准合规GB/T 702, ASTM A36, EN 10058, JIS G3194符合国际扁钢产品标准
碳含量 (C)≤ 0.20%确保良好的焊接性和成形性
锰含量 (Mn)0.30% – 1.40%增强强度和硬度
硅含量 (Si)≤ 0.35%在炼钢过程中起脱氧剂作用
磷含量 (P)≤ 0.045%控制以防止冷脆性
硫含量 (S)≤ 0.045%控制以防止热脆性
抗拉强度370 – 500 MPa符合 ASTM A36 / GB/T 700 标准要求
屈服强度≥ 235 MPa结构应用的最低屈服点
延伸率≥ 26%在标准标距长度试样 (A5) 上测量
厚度范围3 – 60 mm可在标准生产范围内定制
宽度范围20 – 200 mm提供多种宽度规格
长度范围6,000 – 12,000 mm标准长度;可提供定尺切割服务
表面处理黑皮 / 酸洗涂油带氧化铁皮的轧制表面或清洁表面选项
应用建筑、机械、桥梁、车辆、造船广泛用于结构框架和一般制造
认证ISO 9001, SGS, Mill Test Certificate (EN 10204 3.1)可提供第三方检验和质量保证
包装钢带捆扎,防水纸包裹适合出口海运的 seaworthy 包装

热轧扁钢 - ASTM认证钢厂直供制造商

热轧扁钢是全球建筑、制造和基础设施领域中最通用、需求量最大的半成品钢材之一。该产品通过在超过1,700°F(926°C)的温度下轧制加热钢坯生产而成,在广泛的结构和工业应用中具有卓越的成形性、一致的力学性能和高性价比。作为拥有ASTM认证生产线的钢厂直供制造商,我们供应优质热轧扁钢,涵盖全面的尺寸、牌号和定制规格——确保为各种规模的项目提供可靠交付和有竞争力的钢厂直供价格。

什么是热轧扁钢?

热轧扁钢是指通过热轧工艺生产的扁平型钢,即将钢坯或板坯加热至再结晶温度以上,然后通过一系列轧机轧制以达到所需的厚度和宽度。成品具有典型的深色氧化铁皮表面、略微圆润的边缘以及有利的晶粒结构,提供优异的焊接性和延展性。它作为制造加工、机械零件、拖车车架、支架、支撑件以及一般结构部件的基材发挥着关键作用,这些应用对严格尺寸公差并非首要要求。

热轧扁钢供应商

热轧扁钢技术规格

我们的热轧扁钢严格按照国际标准生产,包括ASTM A36、ASTM A1011、EN 10058和GB/T 702,确保每批货物的质量一致性和可追溯性。以下是我们标准的生产参数:

  • 钢种: A36, SS400, Q235B, Q345B, S235JR, S355JR
  • 厚度范围: 3 mm – 60 mm
  • 宽度范围: 20 mm – 200 mm
  • 长度: 6 m, 9 m, 12 m,或按客户规格定尺切割
  • 屈服强度: 最低 250 MPa (A36),最低 345 MPa (Q345B)
  • 抗拉强度: 400–550 MPa(取决于钢种,依据 ASTM A36)
  • 延伸率: ≥ 20%(标距 200 mm)
  • 表面处理: 黑氧化皮(轧制表面),可根据要求提供酸洗涂油
  • 密度: 7.85 g/cm³(20°C 时)
  • 公差: 符合 ASTM A29/A29M 尺寸标准

可提供定制化学成分、力学性能测试证书(MTC 符合 EN 10204 3.1)及第三方检验安排,以满足项目特定的采购要求。

热轧扁钢制造商

热轧扁钢的主要应用

凭借其优异的切削加工性和具有成本效益的生产经济性,热轧扁钢广泛应用于各个行业:

  • 建筑与结构: 底板、节点板、支撑构件和连接件
  • 制造业: 机器框架、夹具、工装和通用加工原料
  • 交通运输: 拖车底板、卡车底盘加强件和轨道车辆部件
  • 农业设备: 犁刀、农具框架和耐磨支架
  • 能源与基础设施: 输电塔配件、管道支架和太阳能安装结构

获取热轧扁钢的竞争力报价

作为认证的钢厂直供供应商,我们省去中间商成本,以市场上最具竞争力的价格提供优质热轧扁钢。无论您需要标准库存尺寸还是完全定制尺寸,我们的技术团队随时准备支持您的采购需求。

  • 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

立即联系我们,24小时内获取免费报价!

热轧扁钢厂

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
David Lawson
Australia
2025-02-07
Minor Packaging Issue Resolved Professionally
Ordered 25 tons of A36 flat bar, 20mm x 100mm x 6m for structural connection hardware. The steel quality itself was fine — tensile strength at 430 MPa and elongation at 21%, both within ASTM A36 spec. However, some bundles arrived with damaged strapping which caused a few bars to shift during container unloading. Reported the issue and their team responded within a day, arranged a credit for the minor surface-damaged pieces and upgraded packaging on our follow-up order. Problem handled well, so I'd still consider them for future projects.
用户
Emily Thornton
United Kingdom
2025-03-01
Solid Quality-to-Price Ratio for General Fabrication
Purchased S235JR flat steel in various sizes for general fabrication stock — mostly 5mm and 8mm thickness in 50mm to 100mm widths. Around 15 tons total. The mill finish surface was typical for hot rolled product and the material machined well on our band saws and drill presses. Pricing per ton was noticeably lower than UK stockholders, even factoring in shipping. Would have appreciated slightly faster documentation turnaround for the third-party inspection arrangement, but the product itself delivered exactly what we needed. Good value.
用户
Ahmed Al-Rashid
UAE
2025-03-23
Good Product, Competitive Pricing for Middle East Market
Sourced Q345B hot rolled flat bars for a pipeline support project in Abu Dhabi — 30mm x 200mm sections, approximately 50 tons. Product quality was good with yield strength testing at 360 MPa, well above the 345 MPa minimum. Pricing was competitive for the volume, about 12% below our previous supplier. Only minor point: the initial quotation took slightly longer than the advertised 24 hours, but the technical consultation on grade selection was helpful. Overall a strong supplier option for bulk structural flat steel in this region.
用户
Tom Henderson
United States
2025-04-14
Third Repeat Order — Consistently Dependable
This is our third order in the past year — we use A36 hot rolled flat steel for trailer bed reinforcements and chassis brackets. Standard order is around 40 tons of 8mm x 100mm and 12mm x 150mm in 12m lengths. What keeps us coming back is the consistency: mechanical properties match the MTCs every time, delivery windows are met, and their sales team proactively updates us on production status. Mill-direct pricing saves us roughly 8-10% versus going through distributors. Already planning Q3 procurement with them.
用户
Rajesh Patel
India
2025-05-06
Great Value for Agricultural Equipment Manufacturing
We manufacture plow blades and implement frames and needed Q235B hot rolled flat bars in 10mm x 80mm and 16mm x 120mm sizes. Placed an initial trial order of 20 tons and the elongation values exceeded 22% which is critical for our cold bending operations. The price was very competitive compared to local mills and the free sample program helped us validate quality before committing to the full order. Already placed our second order for 35 tons. Highly recommend for fabrication-grade flat steel.
用户
Sarah Mitchell
United Kingdom
2025-05-28
Reliable Supply for Our Infrastructure Projects
We specified S235JR flat steel for transmission tower fittings and solar mounting brackets on a large infrastructure project in the Midlands. Ordered 60 tons in mixed sizes — 6mm to 20mm thickness, widths from 50mm to 150mm. Everything arrived within the quoted 18-day lead time, properly bundled and tagged by heat number. The pickled and oiled finish we requested was clean and protected well during transit. Our site team appreciated the consistent quality — no rejects on any batch. Genuinely good service from inquiry to delivery.
用户
Dr. Stefan Keller
Germany
2025-06-20
Excellent Dimensional Accuracy for Machine Frame Production
Ordered S355JR hot rolled flat steel, 25mm x 100mm, cut to 3m lengths for machine frame assemblies. Dimensional tolerances were well within ASTM A29 standards — thickness variation stayed under 0.3mm across the entire 28-ton order. Tensile strength reported at 520 MPa which suits our load-bearing requirements perfectly. Surface oxide was uniform and cleaned up easily before welding. Technical team was responsive when we requested custom length cuts. Will continue ordering for our 2025 production schedule.
用户
James Crawford
United States
2025-07-05
Consistent A36 Quality Across Multiple Shipments
We've been sourcing A36 hot rolled flat steel from this mill for our structural fabrication shop — primarily 12mm x 150mm x 6m bars for base plates and gusset connections. Yield strength consistently tests above 260 MPa per the MTCs provided with each shipment. We ran about 45 metric tons through our CNC plasma cutter last quarter with zero issues on weldability or warping. The EN 10204 3.1 certificates are thorough and our project engineers have never flagged a compliance concern. Solid mill-direct supplier for ASTM-certified flat bar.

了解供应商

宏基型材有限公司

入驻 Sinoali.com 5 年

所在地:China

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
$450 1-49 吨 基准价
$430 50-99 吨 4.4% 优惠
$420 ≥100 吨 6.7% 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$ 450.00
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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