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钢扁钢 - ASTM认证工厂直供供应商 |

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
$460 1-49 吨 基准价
$440 50-99 吨 4.3% 优惠
$430 ≥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$ 460.00
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

钢扁钢技术规范

属性参数描述
产品名称Steel Flat Bar碳钢、合金钢和不锈钢牌号的热轧或冷拔扁钢
材料牌号A36 / S235JR / SS400 / Q235B / 1018 / 1045 / 304 / 316国际等效牌号:A36 ≈ S235JR ≈ SS400 ≈ Q235B;1045 ≈ S45C ≈ C45;304 ≈ 1.4301 ≈ SUS304
标准符合性ASTM A36 / EN 10058 / JIS G3194 / GB/T 702涵盖扁钢的尺寸公差、力学性能和化学成分要求
化学成分 (C)≤ 0.26% (A36) / ≤ 0.17% (S235JR)碳含量控制硬度和焊接性;较低的 C 含量可改善焊接性
化学成分 (Mn)≤ 1.20% (A36) / ≤ 1.40% (S235JR)锰可提高强度和淬透性
化学成分 (P / S)P ≤ 0.04% / S ≤ 0.05%磷和硫为杂质元素;较低的含量可改善韧性和延展性
化学成分 (Si)≤ 0.40% (A36) / ≤ 0.05% (S235JR)硅作为脱氧剂并提高强度
抗拉强度400–550 MPa (A36 / S235JR) / 585–760 MPa (1045)依据 ASTM A36 和 EN 10025-2;可提供更高牌号用于结构和机械应用
屈服强度≥ 250 MPa (A36) / ≥ 235 MPa (S235JR) / ≥ 375 MPa (1045)各标准规定的最小屈服强度;随厚度范围而变化
伸长率≥ 20% (A36, 200 mm gauge) / ≥ 26% (S235JR)表示延展性;按 ASTM E8 或 EN ISO 6892-1 测试
厚度范围3 mm – 100 mm常备库存厚度:3、5、6、8、10、12、16、20、25、30、40、50 mm,依据 EN 10058 / GB/T 702
宽度范围10 mm – 400 mm标准宽度:20、25、30、40、50、60、75、100、150、200 mm;可提供定制宽度
长度3,000 mm – 12,000 mm(标准)/ 定制定尺随机轧制长度或固定长度;公差按 EN 10058:+100 mm / 0 mm
表面处理热轧(HR)/ 冷拔(CD)/ 酸洗涂油(P&O)/ 镀锌HR:轧制氧化皮表面;CD:光滑、严格公差;P&O:无氧化皮;镀锌:耐腐蚀涂层
应用结构制造、机械框架、支架、支撑件、输送系统、建筑、造船由于尺寸和牌号多样,广泛用于制造业、土木工程和工业设备
认证按 EN 10204 3.1 / 3.2 的工厂测试证书(MTC);ISO 9001:2015;CE 标志可提供第三方检验(SGS、BV、TÜV);提供炉号和批号可追溯性
包装用钢带捆扎(每捆最多 2,000 kg);木质垫料;可提供适合海运的出口包装捆包上标注牌号、炉号、尺寸和重量;可根据要求提供防潮包装
MOQ1 公吨(MT)每单可接受混合牌号和尺寸;现货可立即发货

钢扁钢 - ASTM认证钢厂直供

钢扁钢是现代建筑、制造和加工行业中最通用的结构部件之一。作为ASTM认证的钢厂直供供应商,我们提供优质等级的扁钢,专为满足最严苛的项目规格而设计。我们的钢扁钢在严格的质量控制规程下制造,确保尺寸精度、一致的力学性能以及在广泛应用中的可靠表现。从结构框架和机器底座到支架、支撑件和建筑构件,我们的扁钢库存广泛应用于土木工程、汽车制造、造船和工业设备制造等领域。凭借钢厂直供价格和涵盖多种牌号、宽度和厚度的全面库存,我们提供具有成本效益的解决方案,同时不牺牲材料完整性。无论您需要标准碳钢、高强度低合金(HSLA)还是不锈钢变体,我们的技术团队都随时准备为您匹配最理想的扁钢规格,以满足您确切的项目需求。

什么是钢扁钢?

钢扁钢是一种长条形矩形实心钢材,其特征是具有平坦、均匀的横截面,并具有明确的宽度和厚度尺寸。通过热轧或冷拔工艺生产,扁钢与板材和薄板的主要区别在于其更窄的宽厚比以及适合直接用于结构或制造用途。它们在工业和商业应用中作为承重构件、安装支架、加强条和框架部件发挥着关键作用。

Steel flat bar supplier

钢扁钢技术规格

我们的钢扁钢按照 ASTM A36、ASTM A572 Grade 50 和 EN 10025 标准生产。标准宽度范围为 12 mm 至 500 mm,厚度范围为 3 mm 至 100 mm,长度最长可达 12 米。力学性能包括 A36 牌号最低屈服强度 250 MPa,A572 Grade 50 最低屈服强度 345 MPa,抗拉强度可达 400–550 MPa。表面处理包括热轧、冷加工和酸洗涂油选项,以满足下游加工需求。

参数 规格
标准 ASTM A36 / A572 Gr.50 / EN 10025
宽度范围 12 mm – 500 mm
厚度范围 3 mm – 100 mm
长度 最长 12,000 mm(可定制切割)
屈服强度(A36) ≥ 250 MPa
抗拉强度 400 – 550 MPa
密度 7.85 g/cm³(20°C 时)
表面处理 热轧 / 冷加工 / 酸洗涂油

获取钢扁钢有竞争力的报价

与值得信赖的 ASTM 认证钢厂直供供应商合作,享受透明的钢厂直供价格、快速交货期和专属技术咨询。无论您的订单是小批量试用还是大规模项目需求,我们都会根据您的时间表和预算量身定制供应方案。立即联系我们,获取无义务报价。

钢扁钢制造商

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  • 专业技术咨询

立即联系我们,24 小时内获取免费报价!

Steel flat bar wholesale

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
Kevin R.
United States
2025-01-28
Initial spec mix-up resolved promptly — quality of material itself is good
Ordered 4 tonnes of flat bars specifying cold-finished surface finish in 50mm x 8mm for marine bracket applications. First shipment arrived in hot-rolled finish instead. I contacted the support team immediately — they acknowledged the error the same day, arranged priority re-shipment of the correct cold-finished stock within 5 business days, and covered the return freight cost without dispute. The replacement material met our spec fully and passed our surface quality checks. The resolution was handled professionally. Marking the order spec more clearly on both sides would prevent this type of issue. Rating reflects the initial error, not the material quality or the response.
用户
Daniel W.
United States
2025-02-19
Competitive mill-direct rates, delivery slightly longer than estimated
Purchased 12 tonnes of ASTM A36 flat bars in widths from 75mm to 250mm, thicknesses 10mm and 20mm, for structural reinforcement work on a warehouse expansion project in Pennsylvania. Material quality was solid — yield strength test results from our in-house lab confirmed compliance with A36 requirements. Pricing was about 6% below our usual domestic distributor. Delivery took 17 days versus the 12-day estimate given at order. The delay was communicated proactively and didn't impact our schedule, but more accurate lead time forecasting upfront would be helpful. Would order again.
用户
Sarah M.
United Kingdom
2025-03-13
Good value on A36 stock — minor packaging improvement would be welcome
Ordered 6 tonnes of ASTM A36 flat bars in 40mm x 6mm and 60mm x 8mm for bracket and support manufacturing. Pricing was competitive against three other quotes we obtained, and material quality met spec with no issues during welding or drilling. Delivery to our West Midlands site took 10 days. One minor point: outer bundle strapping was slightly loose on one pallet, causing minor surface scuffs on a small number of bars. Nothing that affected usability, but tighter packaging would give added confidence. Overall solid supplier for standard carbon flat bar.
用户
James O.
UAE
2025-04-04
Fast quote turnaround and reliable documentation for our project tender
Required 10 tonnes of ASTM A572 Grade 50 flat bars in 100mm x 16mm for a petrochemical support structure project in Abu Dhabi. Quote was received within 4 hours of inquiry, which allowed us to meet our tender submission deadline. Full mill certification package including heat numbers, chemical analysis, and mechanical test results was ready before shipment. Material arrived at Jebel Ali port within 16 days. ASTM certification was accepted by our client's third-party inspector without any queries. Smooth process from first contact to delivery.
用户
Linda H.
Australia
2025-04-26
Consistent quality across multiple repeat orders — our go-to flat bar supplier
We've now placed four separate orders totaling over 40 tonnes of ASTM A36 flat bars in various widths from 25mm to 300mm for architectural metalwork and commercial fit-out projects. What keeps us coming back is the batch-to-batch consistency — our fabricators have noted zero variation in weldability or surface prep requirements. Pickled-and-oiled finish option has been a particular advantage for our coastal projects. Account manager proactively flagged a lead time extension on our last order due to shipping schedules — that transparency is genuinely appreciated.
用户
Thomas B.
Germany
2025-05-18
EN 10025 compliance verified — reliable supply partner for OEM production
Our production line requires EN 10025 S355 equivalent flat bars in 80mm x 10mm and 120mm x 15mm thicknesses for machine guarding and frame components. Third-party lab verification confirmed full compliance with EN 10025-2 mechanical property requirements. We processed approximately 8 tonnes across two shipments — both arrived within the agreed 14-day window. Cold-finished surface quality was excellent, reducing our downstream machining time significantly. Documentation package including chemical composition reports was thorough and CE-compliant.
用户
Rajiv S.
India
2025-06-09
Mill-direct pricing made a real difference on our bulk procurement
Sourced 28 tonnes of ASTM A36 flat bars ranging from 50mm x 6mm to 200mm x 12mm for industrial equipment bases and mounting brackets. The mill-direct pricing was noticeably lower than our previous distributor — roughly 8% savings on unit cost at this volume. Hot-rolled surface finish was clean and consistent, requiring minimal prep before welding. MTRs were provided with each shipment. Delivery to our Mumbai warehouse took 18 days including customs clearance. Highly recommend for large-volume procurement.
用户
Marcus T.
United Kingdom
2025-06-24
Exceptional dimensional accuracy on ASTM A572 Gr.50 flat bars
We ordered 15 tonnes of A572 Grade 50 flat bars in 150mm x 20mm for structural framework assemblies on a commercial building project. Mill test certificates confirmed yield strength well above the 345 MPa minimum. Dimensional tolerances were spot-on across the entire batch — no rejects during our CNC processing stage. Lead time was 12 working days to our Sheffield facility, which fit our program perfectly. Technical team responded to our spec queries within hours. Will be placing repeat orders for our next phase.

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
$460 1-49 吨 基准价
$440 50-99 吨 4.3% 优惠
$430 ≥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$ 460.00
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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