面向进口商、经销商与项目买家的中国钢材采购服务

建筑用碳钢棒材 - 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
$512 1-49 吨 基准价
$489 50-99 吨 4.5% 优惠
$478 ≥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$ 512.00
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交期:
随报价一并确认
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样品:
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产品详情

建筑项目用碳素钢棒技术规范

属性参数描述
产品名称建筑项目用碳钢棒材用于土木和建筑结构应用的碳钢棒材
材料牌号ASTM A615 Gr.40/60, S235JR, Q235B, HRB400国际等效牌号:BS4449 B500B, JIS SD345, EN 10025 S275JR
标准合规ASTM A615 / A706, EN 10025, GB/T 1499.2, JIS G3112符合国际结构和钢筋标准
化学成分 – C≤ 0.30%碳含量控制棒材的硬度和可焊性
化学成分 – Mn0.60% – 1.50%锰提高抗拉强度和韧性
化学成分 – Si≤ 0.55%硅作为脱氧剂并提高强度
化学成分 – P / SP ≤ 0.045%, S ≤ 0.045%低磷和硫含量确保延展性和焊接质量
抗拉强度500 – 700 MPa (ASTM A615 Gr.60: ≥ 620 MPa)依据 ASTM A615 / EN 10025;确保结构承载能力
屈服强度235 – 500 MPa (Gr.60: ≥ 420 MPa)各牌号的最低屈服强度;对抗震和静态结构设计至关重要
伸长率≥ 14% – 20%(标距 5d)确保在动态和地震载荷条件下的延性行为
尺寸范围 – 直径6 mm – 50 mm可提供圆钢、带肋钢筋(螺纹钢)和方钢型材
长度6 m – 12 m(可提供定制长度)标准轧制长度;可根据要求提供定尺切割服务
表面处理黑皮(轧制氧化皮)、变形肋纹或光滑变形表面可提高钢筋混凝土结构中的混凝土粘结强度
应用钢筋混凝土结构、地基、桥梁、柱、梁广泛应用于住宅、商业和基础设施建设
认证ISO 9001、CE 标志、工厂测试证书(EN 10204 3.1)可提供第三方检验;可根据要求提供 SGS、BV、TÜV
包装2–5 MT 捆扎,钢带捆扎,带标识标签可提供适合海运的出口包装;可根据买方要求裸装或包裹
MOQ每单 25 MT接受混合牌号和尺寸;支持 OEM 和基于项目的供应

建筑用碳钢棒材 - 钢厂直供

用于建筑工程的碳钢棒材是现代基础设施的结构骨架,为住宅、商业和土木工程应用提供工程师和承包商所要求的承载可靠性。作为钢厂直供供应商,我们提供符合最严格国际标准(包括 ASTM A615、BS 4449 和 GB/T 1499)的优质碳钢棒材。无论您是在加固混凝土地基、搭建高层框架,还是建造桥面,我们的碳钢棒材都能提供您的项目所需的机械一致性和尺寸精度。凭借数十年的制造经验和垂直整合的生产链,我们消除了中间商加价,将真正的成本节约直接传递给买家。我们的棒材提供全面的直径、牌号和长度范围,确保与各种建筑规格无缝兼容。批量订单以可靠的交货时间完成,并附有完整的材料追溯文件和第三方检验支持。

什么是用于建筑工程的碳钢棒材?

用于建筑的碳钢棒材是由碳锰合金制造的热轧或冷拔钢产品,主要用于加固混凝土结构和制造结构框架。按碳含量分类——低碳(≤0.25%)、中碳(0.26–0.60%)和高碳(0.61–1.50%)——这些棒材的抗拉强度范围为 400 MPa 至 600 MPa 以上,使其成为几乎所有土木建筑类别中不可或缺的承重构件。

建筑工程项目碳钢棒材供应商

建筑工程用碳钢棒材的制造工艺

生产始于在电弧炉或碱性氧气炉中熔炼的高纯度钢坯,随后连续铸造并通过校准的热轧机进行轧制。轧制过程细化晶粒结构,根据 ASTM A615 Grade 60 标准达到最低屈服强度 420 MPa。螺纹钢筋外形在最终轧制道次中成型,确保与混凝土具有优异的机械粘结强度。每卷或每根直条均经过控制冷却,以优化延展性和可焊性。

碳钢钢筋技术规格

我们的建筑级碳钢钢筋可提供直径从 6 mm 到 50 mm,标准长度为 6 m、9 m 和 12 m。关键机械性能包括根据 ASTM A615 Grade 60 标准,最低抗拉强度为 620 MPa,屈服强度为 420 MPa,断裂伸长率 ≥9%。碳含量保持在 0.30%–0.43%,锰含量为 0.60%–1.20%,在 20°C 时密度为 7.85 g/cm³。表面处理选项包括光圆和螺纹带肋外形。

建筑项目用碳钢钢筋制造商

获取建筑用碳钢钢筋的竞争性报价

准备以钢厂直销价格采购优质建筑用碳钢钢筋?我们的团队为各种规模的项目提供定制解决方案,从中小型住宅建筑到大型基础设施开发。立即提交您的规格,24 小时内即可收到详细且无义务的报价。

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  • 专业技术咨询

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建筑项目用碳钢棒材批发

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
Kevin H.
United States
2025-02-01
Initial shipment had a labelling mix-up — resolved promptly
We ordered 35 tonnes of 6 mm and 10 mm carbon steel bars in 6 m lengths for light structural fabrication work. When the shipment arrived, roughly 15% of the bundles were labelled with the wrong diameter designation, creating confusion on our shop floor during sorting. We flagged this to the supplier immediately. Their team responded within four hours, provided corrected documentation, and offered a partial credit for our sorting time. The steel itself was fully within spec — tensile strength and carbon content both verified correctly. Issue was administrative, not metallurgical, and their response was professional. Would consider ordering again.
用户
James R.
Australia
2025-02-22
Competitive pricing for Grade 60 rebar, delivery met expectations
Ordered 50 tonnes of 25 mm and 32 mm plain round and deformed bars to ASTM A615 for a civil drainage infrastructure project in Queensland. Pricing came in 9% below our previous supplier for equivalent spec. Mechanical properties were verified by our independent lab — yield at 422 MPa, tensile at 621 MPa, density confirmed at 7.85 g/cm³. Delivery took 24 days to port, which was within the quoted window but on the longer end. Packaging held up well through sea freight. For Australian buyers, factor in lead time carefully, but the cost saving justifies it on larger volumes.
用户
Sarah M.
United Kingdom
2025-03-16
Strong value on bulk rebar, minor admin delay at start
We purchased 75 tonnes of 16 mm and 20 mm ASTM A615 Grade 60 deformed bars for a social housing development. The per-tonne price was noticeably competitive versus local stockholders, and material quality — tensile strength 632 MPa, elongation 10% — was fully compliant. Only minor issue was a three-day delay getting the pro-forma invoice confirmed due to a bank holiday at their end, which pushed our order placement back slightly. Once documentation was sorted, production and shipping moved quickly. Overall good value and we would order again for the next phase.
用户
Thomas B.
Germany
2025-04-07
Third repeat order — quality has been consistent across all batches
This is our third procurement from this mill for infrastructure reinforcement work under DIN EN 10080 equivalent requirements. Each order — 45 tonnes, then 90 tonnes, now 110 tonnes of 12 mm to 50 mm ribbed bars — has returned consistent mechanical test results. Yield strength variance between batches has been less than 8 MPa, which is outstanding for bulk supply. Lead times have held at 20–22 days for European delivery. For a procurement manager, predictability in both quality and logistics is as valuable as price. This supplier provides all three.
用户
Fatima Al-R.
UAE
2025-04-29
Responsive team, fast turnaround for foundation reinforcement
We needed 60 tonnes of 20 mm and 28 mm deformed carbon steel bars for concrete foundation work on a commercial tower in Dubai, with a hard mobilisation deadline. The sales team responded within two hours, confirmed stock availability, and arranged shipment within eight days. All bars complied with BS 4449 Grade B500B equivalency as verified by our site engineer. Customer support was available across time zones, which matters when you are managing a fast-track Gulf project. The free sample dispatched before order confirmed surface finish and dimensional accuracy perfectly.
用户
Daniel W.
United States
2025-05-21
Mill-direct pricing made this project financially viable
Sourcing 200 tonnes of ASTM A615 Grade 60 rebar in diameters ranging from 10 mm to 40 mm through our usual domestic distributors was pushing our commercial high-rise budget over limit. Going mill-direct here saved us roughly 12% per tonne. Quality was not compromised — tensile strength tested at 628 MPa, yield at 425 MPa, and the deformed rib profile bonded excellently with our concrete mix design. Delivery in 12 m straight lengths arrived well-packaged with zero transit damage. Will structure our next three projects around this supplier.
用户
Priya S.
India
2025-06-12
Precise carbon content and full traceability documentation
Our structural team specified carbon steel bars with carbon content between 0.30% and 0.43% and manganese at 0.90–1.10% for a bridge deck reinforcement contract under IS 1786 equivalent parameters. The chemistry reports matched exactly. We sourced 80 tonnes of 32 mm ribbed bars, and every bundle carried heat number traceability back to the billet cast. Tensile strength averaged 645 MPa across random sample pulls. This level of material documentation is what large civil contracts demand, and this supplier delivered it without friction.
用户
Marcus T.
United Kingdom
2025-06-27
Exceptional mechanical consistency on Grade 60 deformed bars
We ordered 120 tonnes of 16 mm and 25 mm deformed bars to ASTM A615 Grade 60 for a multi-storey residential project in Birmingham. Mill test certificates confirmed yield strength well above the 420 MPa minimum and elongation at 11%, exceeding spec. Dimensional tolerances were tight across the entire batch. Lead time was 18 days door-to-door, which kept our pour schedule on track. Third-party SGS inspection reports were provided without us even asking. Genuinely impressed with the technical rigour from a mill-direct source.

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.

Product inventory

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可定制 超低价
$512 1-49 吨 基准价
$489 50-99 吨 4.5% 优惠
$478 ≥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$ 512.00
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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