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HRB400 HRB500 钢筋 - GB认证制造商

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
$415 1-49 吨 基准价
$397 50-99 吨 4.3% 优惠
$388 ≥100 吨 6.5% 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$ 415.00
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产品详情

HRB400 HRB500钢筋技术规格

属性参数描述
产品名称HRB400 / HRB500 变形钢筋用于混凝土结构的热轧带肋钢筋
材料等级HRB400 / HRB500 (GB/T 1499.2)相当于 ASTM A615 Gr.60、BS4449 B500B、ISO 6935-2
标准合规GB/T 1499.2-2018、ASTM A615、EN 10080、BS 4449符合中国国家标准及主要国际规范
碳含量 (C)≤ 0.25% (HRB400) / ≤ 0.25% (HRB500)低碳含量确保良好的焊接性
锰 (Mn)≤ 1.60%提高强度和淬透性
硅 (Si)≤ 0.80%改善脱氧和强度
磷 (P)≤ 0.045%控制以防止脆性
硫 (S)≤ 0.045%控制以确保韧性
屈服强度 (ReL)≥ 400 MPa (HRB400) / ≥ 500 MPa (HRB500)依据 GB/T 1499.2-2018 的最低屈服强度
抗拉强度 (Rm)≥ 540 MPa (HRB400) / ≥ 630 MPa (HRB500)确保结构安全的极限抗拉强度
伸长率 (A)≥ 16% (HRB400) / ≥ 15% (HRB500)依据标准的最低断后伸长率
直径范围6 mm – 50 mm常用规格:8、10、12、14、16、18、20、22、25、28、32、36、40 mm
长度6 m / 9 m / 12 m 或定制标准轧制长度;可提供定制切割
表面处理热轧带肋(变形)表面横向和纵向肋条,实现优异的混凝土粘结力
应用建筑、桥梁、公路、水坝、隧道施工钢筋混凝土和预应力结构中的主要钢筋
认证ISO 9001、CE、BV、SGS、工厂测试证书(MTC)可提供第三方检验和工厂质量认证
包装每捆 2–3 MT 捆扎,钢丝绑扎适合海运的出口包装;裸装或带防潮包装
MOQ每个等级/规格 25 MT接受混装集装箱订单;可提供 FOB、CFR、CIF 条款

HRB400 HRB500 钢筋 - GB认证制造商

作为通过 GB/T 1499.2 认证的 HRB400 HRB500 钢筋制造商,我们供应螺纹钢筋,其设计满足全球民用、基础设施和工业建筑项目中最严苛的结构要求。HRB400 和 HRB500 是中国最广泛规定的两种热轧带肋钢筋牌号,以其优异的粘结强度、稳定的力学性能以及对严格国家标准的符合性而著称。我们的综合钢厂运营连铸和控轧生产线,使我们能够交付直径从 6 mm 到 50 mm 的钢筋,尺寸公差控制在 ±0.4 mm 以内。无论您的项目需要用于高层框架的抗震级钢筋、用于桥墩的大直径钢筋,还是用于住宅基础的普通结构钢筋,我们每年超过 800,000 公吨的产能都能确保可靠的供应连续性,以及优于贸易商定价的钢厂直销价格。

HRB400 HRB500 钢筋供应商

什么是 HRB400 HRB500 钢筋?

HRB400 和 HRB500 是中国标准 GB/T 1499.2 中定义的热轧带肋钢筋牌号。数字后缀表示特征屈服强度:HRB400 为 400 MPa,HRB500 为 500 MPa。两种牌号均具有横向和纵向肋,可增强与混凝土的机械咬合,使其成为对承载完整性和抗裂性至关重要的钢筋混凝土结构的首选。HRB500 具有更高的强度重量比,在同等结构设计中相比 HRB400 可节省高达 12–15% 的材料。

HRB400 HRB500 钢筋技术规格

我们的螺纹钢严格按照 GB/T 1499.2-2018 生产,并可根据要求提供 ISO 6935-2 双认证。每炉钢均附有钢厂检测报告,涵盖化学成分、力学性能和弯曲试验结果。关键参数汇总于下表。

HRB400 HRB500 steel rebar factory China

参数 HRB400 HRB500
标准 GB/T 1499.2-2018 GB/T 1499.2-2018
屈服强度 (ReL) ≥ 400 MPa ≥ 500 MPa
抗拉强度 (Rm) ≥ 540 MPa ≥ 630 MPa
断后伸长率 (A) ≥ 16% ≥ 15%
Rm/ReL 比值 ≥ 1.25 ≥ 1.25
碳当量 (Ceq) ≤ 0.54% ≤ 0.55%
可供直径 6 – 50 mm 6 – 50 mm
标准长度 6 m / 9 m / 12 m(可定制) 6 m / 9 m / 12 m(可定制)
密度 20°C 时为 7.85 g/cm³
表面状态 热轧带肋(螺纹钢筋)
可焊性 适用于闪光对焊、电弧焊和电阻焊

与普通碳钢棒材相比,这两种牌号都具有出色的抗腐蚀性能,这得益于钒(V)、铌(Nb)或钛(Ti)的受控微合金化。还提供 HRB400E 和 HRB500E 抗震变体,其最大 ReL ≤ 1.30 × 名义屈服强度,且 Rm/ReL ≥ 1.25,符合抗震设计合规要求。

获取 HRB400 HRB500 钢筋的竞争性报价

与通过 GB 认证的 HRB400 HRB500 钢筋制造商合作,提供钢厂直供价格、完整可追溯性文件以及面向全球港口的灵活物流解决方案。分享您的项目规格和所需吨位——我们的技术销售团队将在 24 小时内回复一份详细且无义务的报价。

HRB400 HRB500 钢筋出口商

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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
Kevin Abrams
United States
2025-02-02
Initial shipment had one non-conforming heat — supplier resolved with replacement and credit
We ordered 190 metric tons of HRB400 rebar in 12 mm and 18 mm diameters for foundation work in Florida. The majority of the shipment — approximately 175 tons — was fully compliant with GB/T 1499.2-2018, with yield strength and elongation within spec. However, one heat of the 18 mm bars showed elongation of 14.8%, below the ≥16% minimum. We raised the non-conformance immediately with supporting third-party lab data. The supplier acknowledged the issue within 48 hours, arranged a replacement shipment for the affected quantity, and issued a partial credit for the delay caused. The resolution process was handled professionally. Upgraded to a higher rating would require consistent first-shipment quality across all heats.
用户
Charlotte Pemberton
United Kingdom
2025-02-24
Competitive bulk pricing on HRB500 — strong performance-to-cost ratio for commercial builds
We ordered 220 metric tons of HRB500 deformed rebar in 16 mm and 22 mm diameters for a commercial office development in Manchester. The material savings argument for HRB500 versus HRB400 held up in practice — our structural engineer confirmed approximately 13% weight reduction in the reinforcement schedule. Mill test reports showed tensile strength at 641 MPa and elongation of 15.8%. Pricing was about 9% lower than our previous UK-based steel stockholder for equivalent grade. Delivery to the Port of Liverpool took 37 days. The only minor point is that the packing list formatting differed slightly from our standard procurement template, requiring a small administrative adjustment on our end.
用户
David Hargreaves
Australia
2025-03-18
Good value HRB400 for infrastructure work — minor documentation delay but resolved quickly
Sourced 150 metric tons of HRB400 rebar in 10 mm, 16 mm, and 20 mm diameters for culvert and retaining wall construction in Queensland. Mechanical properties were solid — yield strength averaged 423 MPa and elongation was 17.1%, both meeting GB/T 1499.2-2018 requirements. Pricing was competitive versus Australian domestic suppliers, particularly on the 20 mm diameter. One minor issue: the certificate of origin took three additional business days to arrive, which briefly held up our customs clearance. The team acknowledged the delay promptly and expedited the document. Overall good value and quality; would consider ordering again for larger volumes.
用户
Priya Mehta
UAE
2025-04-09
24-hour quote turnaround and responsive technical support — exactly what project timelines demand
Our procurement team submitted an RFQ for 290 metric tons of HRB500E seismic rebar in 25 mm and 40 mm diameters on a Friday afternoon. A detailed, itemized quotation arrived by Saturday morning — under 18 hours. The technical sales engineer clarified the ReL upper limit (≤1.30 × nominal yield) and Rm/ReL ≥1.25 seismic compliance requirements without us having to prompt. Shipment to Jebel Ali port was arranged on a CIF basis with full insurance documentation. The 40 mm large-diameter bars for our bridge pier application were within ±0.4 mm tolerance as specified. Customer support throughout the process was consistently professional and knowledgeable.
用户
Michael Torres
United States
2025-05-01
Reliable supply continuity for multi-phase residential development — second order delivered flawlessly
This is our second procurement from this manufacturer. First order was 250 tons of HRB400 in 12 mm and 16 mm for residential slab work in Texas; second order just completed was 410 tons of mixed HRB400 and HRB500 in 20 mm and 32 mm diameters for a multi-story parking structure. Both shipments arrived within the agreed lead times. Quality has been consistent across both orders — bend test results passed at 180° without cracking on all sampled bars. The free sample service before our first order gave us the confidence to commit to the larger second purchase. Pre-shipment inspection coordination was smooth and transparent.
用户
Sandra Kowalczyk
Germany
2025-05-23
Mill-direct pricing saved 11% vs. local trading house — quality fully ISO 6935-2 compliant
We procured 180 metric tons of HRB500 rebar in 20 mm and 28 mm diameters for industrial foundation works in Hamburg. The supplier provided dual certification under both GB/T 1499.2-2018 and ISO 6935-2, which was essential for our client's technical approval process. Yield strength results on all test certificates averaged 527 MPa. Comparing against our previous trading-house supplier, mill-direct pricing delivered an 11% cost reduction per metric ton on equivalent specifications. Shipping documentation — including packing lists, certificate of origin, and SGS inspection report — was complete and accurate. A professional and technically competent team.
用户
Rajesh Nair
India
2025-06-14
Consistent chemical composition across 500-ton order — vanadium micro-alloying verified
Ordered 500 metric tons of HRB400 rebar in diameters ranging from 10 mm to 32 mm for bridge pier foundations in Maharashtra. We ran independent third-party lab verification on five random heats — carbon equivalent averaged 0.51%, well within the ≤0.54% GB/T 1499.2 limit. Vanadium content was consistently between 0.045% and 0.052%, confirming proper micro-alloying. Elongation after fracture averaged 18.2%, exceeding the ≥16% standard requirement. Mill test reports were comprehensive and matched our lab results precisely. This level of chemical consistency is rare at this price point. Will be placing repeat orders for our upcoming highway project.
用户
James Whitfield
United Kingdom
2025-06-29
Exceptional HRB500 rebar quality — seismic grade exceeded our EN 1992 expectations
We sourced 320 metric tons of HRB500E deformed rebar in 16 mm and 25 mm diameters for a high-rise residential frame project in Birmingham. Mill test reports confirmed tensile strength at 648 MPa and Rm/ReL ratio of 1.28, both comfortably exceeding GB/T 1499.2-2018 minimums. We cross-referenced against EN 10080 Class C requirements and found full compliance. Delivery to Felixstowe port was completed in 34 days — ahead of the 40-day ETA quoted. Dimensional tolerances were within ±0.3 mm across all batches. Technical team responded to our specification queries within hours. Highly recommended for structurally critical applications.

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
$415 1-49 吨 基准价
$397 50-99 吨 4.3% 优惠
$388 ≥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$ 415.00
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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