面向进口商、经销商与项目买家的中国钢材采购服务

建筑用钢圆棒 - 钢厂直供

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
$545 1-49 吨 基准价
$521 50-99 吨 4.4% 优惠
$509 ≥100 吨 6.6% 优惠
价格有效期:随行就市

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数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 545.00
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随报价一并确认
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产品详情

建筑用钢圆棒技术规范

属性参数描述
产品名称建筑用钢圆棒用于结构和土木工程应用的热轧或冷拔实心圆钢棒
材料牌号ASTM A36 / S235JR / SS400 / Q235B / HRB400国际等效牌号:EN 1.0038 (S235JR)、JIS G3101 SS400、GB/T 700 Q235B、GB/T 1499 HRB400
标准合规ASTM A36、EN 10025-2、JIS G3101、GB/T 700、GB/T 1499符合建筑用国际结构钢和钢筋标准
化学成分 (C)≤ 0.26% (A36) / ≤ 0.17% (S235JR)碳含量控制钢棒的硬度和可焊性
化学成分 (Mn)≤ 1.60% (A36) / ≤ 1.40% (S235JR)锰提高抗拉强度和淬透性
化学成分 (P & S)P ≤ 0.04%,S ≤ 0.05%低磷和硫含量确保改善韧性和可焊性
化学成分 (Si)≤ 0.40%硅作为脱氧剂并提高强度
抗拉强度400–550 MPa (A36: 400–550 MPa; S235JR: 360–510 MPa)依据 ASTM A36 和 EN 10025-2;确保结构承载能力
屈服强度≥ 235 MPa (S235JR) / ≥ 250 MPa (A36)各标准规定的最小屈服点,确保结构完整性
伸长率≥ 20% (A36) / ≥ 26% (S235JR)在 200 mm (A36) 或 80 mm (EN) 标距长度上测量;表明延展性
直径范围6 mm – 300 mm常见建筑尺寸:Ø6、Ø8、Ø10、Ø12、Ø16、Ø20、Ø25、Ø32、Ø40、Ø50 mm 及以上
Length3 m – 12 m(标准)/ 可提供定制定尺切割标准轧制长度;可根据客户要求提供随机长度或固定长度
Surface Finish热轧(黑材)、酸洗涂油、冷拔光亮或镀锌根据应用环境和防腐需求选择表面状态
Application结构框架、混凝土配筋、立柱、横梁、地脚螺栓、机械底座广泛应用于建筑施工、桥梁、基础设施和工业制造
CertificationISO 9001、CE 认证、工厂测试证书(EN 10204 3.1/3.2)、BV、SGS可应要求提供第三方检验和材料可追溯性文件
Packaging六角形或方形捆包,每捆 1–3 公吨;用钢带捆扎可提供适合海运的出口包装;海运提供木制垫料和防水包装
MOQ每个钢种/规格 5 公吨整柜(FCL)订单可接受混合钢种和规格;样品订单可协商

建筑用钢圆棒 - 钢厂直供

建筑用钢圆棒是全球现代民用和工业工程项目中最基础的结构材料之一。从钢筋混凝土框架和桥梁支座到机械底座和桩基,这些实心圆柱形钢产品提供了严苛建筑环境所需的机械可靠性。作为钢厂直供供应商,我们提供按照 ASTM A36、BS EN 10025 和 GB/T 700 等国际标准制造的建筑级圆棒,直径范围从 6 mm 到 300 mm。我们的产品保持 400–550 MPa 的抗拉强度和最低 250 MPa 的屈服强度,确保在重载条件下的结构完整性。无论您的项目需要碳钢、合金钢还是低合金高强度钢,我们丰富的库存和灵活的生产计划都能满足几乎任何规格的订单。直接从钢厂采购消除了中间商加价,使买家能够获得具有成本效益的价格,同时不牺牲材料质量或尺寸精度。

什么是建筑用钢圆棒?

建筑用钢圆棒是通过热轧或冷拔工艺生产的实心圆柱形钢材,专为满足结构应用的承载和制造需求而设计。这些圆棒提供 S235、S275、S355 和 A36 等碳钢牌号,密度约为 7.85 g/cm³,在住宅、商业和基础设施项目的加固、锚固、轴类制造和结构框架中发挥着关键作用。

建筑用钢圆棒供应商

建筑用钢圆棒制造工艺

生产始于钢坯的连铸,随后将其重新加热至约1,200°C,并通过一系列轧机以达到目标直径和表面光洁度。热轧棒材经过控制冷却以优化晶粒结构和机械性能,而冷拔变体则通过模具进一步加工,以实现±0.1 mm的更严格尺寸公差和改善的表面光滑度。最终产品经过矫直、定尺切割和打捆以便运输。

建筑用钢圆棒技术规格

我们的建筑圆棒按以下标准参数供应,以满足多样化的项目需求:

建筑用钢圆棒制造商

  • 牌号: ASTM A36, S235JR, S355J2, Q235B, Q345B
  • 直径范围: 6 mm – 300 mm
  • 长度: 3 m – 12 m(可提供定制长度)
  • 抗拉强度: 400–550 MPa
  • 屈服强度: ≥ 250 MPa (A36) / ≥ 355 MPa (S355)
  • 延伸率: ≥ 20%(A36 按 ASTM A6)
  • 表面处理: 热轧、黑皮或酸洗涂油
  • 标准: ASTM A36/A108, EN 10025, GB/T 700, JIS G3101

所有批次均附有工厂测试证书(MTC),验证化学成分和机械测试结果,确保从熔炼到交付的全程可追溯性。

建筑用钢圆棒批发

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准备以钢厂直销价格采购建筑用优质钢材圆钢吗?我们经验丰富的团队随时待命,为您的项目规格匹配最合适的牌号、尺寸和交货计划。立即提交询价,24小时内即可收到详细报价。

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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
Brian C.
United States
2025-01-28
Initial diameter variance flagged — supplier resolved it professionally
On our first order of 10 tonnes of hot-rolled round bars in 90 mm diameter to ASTM A36, our incoming inspection found that roughly 5% of bars measured 89.3 mm — just outside our acceptable tolerance window. We raised the issue immediately. The supplier's technical team responded within 24 hours, acknowledged the variance, and arranged a partial replacement shipment at no additional freight cost within 12 days. MTC data for the replacement batch was clean. Communication throughout was professional. We have since placed a second, larger order and quality has been fully satisfactory.
用户
Aisha N.
UAE
2025-02-19
Competitive mill pricing, solid product — logistics coordination could improve
We purchased 50 tonnes of S355J2 round bars, diameters 75 mm to 150 mm, for infrastructure framing on a development project in Abu Dhabi. Material tested to yield strength of 368 MPa and all EN 10025 parameters were met. The mill-direct pricing gave us roughly 12% savings versus our previous supplier. Shipping coordination to Jebel Ali required a few extra follow-up calls to confirm vessel booking. Material arrived in 28 days — acceptable but slightly longer than quoted. Overall a worthwhile supplier relationship with room to sharpen logistics communication.
用户
Kevin O.
Australia
2025-03-13
Good value on A36 stock, minor documentation delay
Ordered 25 tonnes of ASTM A36 round bars in 60 mm and 80 mm diameters for anchoring applications on a commercial project in Brisbane. Material quality was solid — tensile strength at 430 MPa, well within specification. Mill certificates arrived two days after the shipment notification rather than simultaneously, which caused a brief hold-up on our end. The team resolved it quickly once flagged. Pricing was noticeably better than our local distributor for this volume. Would order again with the expectation that documentation timing improves.
用户
Daniel F.
Germany
2025-04-04
Third repeat order — quality and delivery remain consistent
This is our third purchase from this mill, covering cold-drawn round bars in 16 mm and 22 mm diameters to EN 10025 tolerances of ±0.1 mm. We use them for precision machinery bases in our fabrication facility near Stuttgart. Surface finish on the cold-drawn product is excellent — minimal post-processing required. Mechanical properties are stable batch to batch, which matters enormously for our quality control sign-off. Competitive bulk pricing and reliable 20-day lead time to Hamburg make this a straightforward ongoing partnership.
用户
Sophie W.
United Kingdom
2025-04-26
Responsive service and fast quotation turnaround
We needed an urgent quote for 15 tonnes of S235JR round bars, 12 mm to 30 mm, for a residential reinforcement job with a tight programme. The team came back with a detailed quotation in under four hours, not the promised 24 — impressive. They arranged express shipping and the bars arrived in 16 days. Customer support answered weekend messages promptly. The hot-rolled black finish was clean with no excessive scale. For time-sensitive procurement, these guys are hard to beat.
用户
Rajesh M.
India
2025-05-18
Consistent Q345B quality across three large shipments
We have now received three separate shipments totalling over 200 tonnes of Q345B round bars in diameters from 20 mm to 120 mm, used for pile foundations and structural framing across two industrial sites. Each batch came with GB/T 700-compliant mill certificates. Yield strength consistently exceeded 345 MPa. Bundling and labelling were clean and accurate, making site inventory straightforward. Pricing at mill-direct rates gave us a meaningful cost advantage over local distributors. This supplier is now our preferred source.
用户
James H.
United Kingdom
2025-06-09
S355J2 bars met BS EN 10025 in full — excellent technical support
Sourced 35 tonnes of S355J2 round bars, 40 mm to 100 mm diameter, for a bridge support substructure in the Midlands. The supplier provided full MTC documentation with chemical composition and mechanical test results before shipment. Tensile strength readings averaged 520 MPa, consistent across the batch. Their engineer helped us select the correct surface finish — pickled and oiled — for our galvanizing downstream process. Delivery to Felixstowe was completed in 21 days. Genuinely knowledgeable team.
用户
Marcus T.
United States
2025-06-24
Precision-grade A36 bars delivered on spec every time
We ordered 80 tonnes of ASTM A36 round bars in 25 mm and 50 mm diameters for a commercial foundation project in Texas. Mill test certificates confirmed yield strength well above the 250 MPa minimum, and dimensional tolerances were spot-on. Lead time was 18 days to our Houston warehouse. Technical team responded within hours to clarify elongation data per ASTM A6. This is the kind of supplier reliability that keeps a project on schedule. Already placed a follow-up order.

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 grades of rebar do you supply?
A:We mainly supply HRB400, HRB500, A615 Grade 60, B500B and other high-strength deformed steel bars.
Q: What diameters are available for your rebar?
Q: Can you provide mill test certificates (MTC) for rebar?
Q: Do you accept customized lengths for rebar?
Q: Can you supply deformed steel bars for concrete reinforcement?
Q: What packaging is used for steel rebar?

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
$545 1-49 吨 基准价
$521 50-99 吨 4.4% 优惠
$509 ≥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$ 545.00
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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