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高强度钢筋 - ASTM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
$480 1-49 吨 基准价
$459 50-99 吨 4.4% 优惠
$448 ≥100 吨 6.7% 优惠
价格有效期:随行就市

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最小起订量: 1 吨

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商品小计 US$ 480.00
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产品详情

建筑用高强度钢筋技术规范

属性参数描述
产品名称建筑用高强度钢筋用于结构和土木工程应用的带肋和光圆钢筋
材料牌号HRB400 / HRB500 / HRB600 (GB);Grade 60 / Grade 75 (ASTM A615);B500B / B500C (EN 10080)涵盖中国、美国及欧洲标准的国际等效牌号
标准合规GB/T 1499.2-2018;ASTM A615/A615M;EN 10080;JIS G3112;BS 4449符合主要国际建筑和结构钢标准
化学成分 (C)≤ 0.25%控制碳含量以确保可焊性和延展性
化学成分 (Mn)0.60% – 1.60%锰可提高强度和淬透性
化学成分 (Si)0.20% – 0.80%硅可提高强度和脱氧效果
化学成分 (P / S)P ≤ 0.045%;S ≤ 0.045%低磷和低硫以改善韧性和可焊性
抗拉强度540 – 730 MPa (HRB400);630 – 800 MPa (HRB500)依据 GB/T 1499.2-2018;ASTM A615 中 Grade 60 最低 620 MPa
屈服强度最低 400 MPa (HRB400);最低 500 MPa (HRB500);最低 415 MPa (ASTM Grade 60)保证最低屈服强度以满足结构承载性能
伸长率≥ 16% (HRB400);≥ 15% (HRB500);≥ 7% (ASTM A615 Grade 60)断裂时的最小伸长率,确保在地震和动态荷载下具有延性行为
直径 / 尺寸范围6 mm – 50 mm(直径);长度:6 m、9 m、12 m 或定制可提供标准及定制切割长度;带肋外形符合适用标准
表面处理热轧变形(带肋)或光圆表面变形钢筋与混凝土具有优异的粘结强度;光圆钢筋用于特定结构用途
应用钢筋混凝土结构、桥梁、隧道、高层建筑、地基、挡土墙广泛应用于民用、基础设施及抗震建筑项目
认证ISO 9001:2015;CE 标志(EN 10080);按 EN 10204 3.1 出具的工厂测试证书(MTC)可提供第三方检验;每批货物随附证书
包装2–5 MT 捆扎;铁丝绑扎;可提供适合海运的出口包装标准捆重可根据买方要求定制;按标准贴标
MOQ每个等级/规格 25 MT接受混合规格订单;可提供 FOB、CFR、CIF 条款

高强度钢筋 - ASTM认证制造商

建筑用高强度钢筋是全球现代基础设施项目的结构骨架,从高层住宅塔楼到重载工业设施都离不开它。这些钢筋经过专门设计,具备卓越的承载性能,满足最严苛的结构要求,同时在每个生产批次中都能提供可靠的尺寸一致性。我们的ASTM认证建筑用高强度钢筋在严格的质量控制规程下生产,确保符合ASTM A615、ASTM A706和BS 4449国际标准。这些钢筋的最低屈服强度为420 MPa(Grade 60),抗拉强度可达620 MPa,为工程师和承包商提供所依赖的结构完整性。无论您是为钢筋混凝土基础、桥面、挡土墙还是抗震框架采购材料,我们的产品线涵盖6 mm至50 mm的直径范围,以匹配您精确的项目规格。我们为40多个国家的建筑公司、钢材分销商和政府基础设施项目提供一致、可追溯的钢厂直供钢材解决方案。

建筑用高强度钢筋供应商

什么是建筑用高强度钢筋?

建筑用高强度钢筋是专门设计用于增强混凝土结构抗拉能力的热轧或冷拔钢筋。这些钢筋由低合金或碳钢钢坯生产,表面带有变形横肋,可最大限度地提高与周围混凝土的机械粘结力。它们按屈服强度分级——常见的有Grade 40(280 MPa)、Grade 60(420 MPa)和Grade 75(520 MPa)——在结构柱、楼板、梁和抗震区加固系统中具有关键应用。

建筑用高强度钢筋制造商

建筑用高强度钢筋生产工艺

生产始于电弧炉(EAF)熔炼,将精选废钢与钒、锰等合金元素熔化以达到目标化学成分。钢水连续铸造成钢坯,然后重新加热至约1,150°C,再通过多机架轧机轧制成带肋外形。通过Tempcore或淬火自回火(QST)工艺进行控制冷却,在韧性铁素体-珠光体芯部上形成硬化的马氏体表层,从而提供抗震设计规范所要求的优异强度与延性比。

建筑用高强度钢筋技术规格

我们的建筑用高强度钢筋可提供以下经验证的参数:直径范围6–50 mm;标准长度为6 m、9 m和12 m(可提供定制长度);屈服强度420–520 MPa;极限抗拉强度620–750 MPa;断裂伸长率≥14%;碳当量(CE)按IIW公式≤0.55%;20°C时密度为7.85 g/cm³。表面变形几何形状符合ASTM A615/A615M、ASTM A706/A706M、BS 4449:2005+A3:2016和GB/T 1499.2-2018。每捆均随附可追溯至炉号的轧制试验证书(MTC),以实现全面的质量问责。

获取高强度钢筋的竞争性报价

与值得信赖的ASTM认证制造商合作,获取建筑用高强度钢筋的钢厂直销价格。我们敬业的销售工程师随时准备审阅您的项目图纸,推荐最佳牌号,并在24小时内提供详细报价——并配有灵活的起订量和批量订购价格层级。

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用于建筑批发的高强度钢筋

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 M.
United States
2025-02-01
Initial documentation delay resolved — quality was fine
Ordered 40 tonnes of 32 mm Grade 60 bars for a Florida coastal foundation project requiring full ASTM A615 compliance documentation. The bars themselves tested well — yield strength 431 MPa, elongation 14.5% — but the MTC package initially arrived without the heat number cross-reference our inspector required. This caused a two-day hold on our pour schedule. After raising the issue, the supplier emailed the corrected documentation within four hours and followed up with a process improvement confirmation. Product quality was not in question. Documentation process has since been addressed and we are considering a follow-up order.
用户
Ralf B.
Germany
2025-02-23
Competitive pricing for EN-equivalent Grade 500 bars
We sourced 50 tonnes of 10 mm to 25 mm bars with mechanical properties equivalent to EN 10080 B500B for column reinforcement in a Munich commercial development. The technical team provided a detailed cross-reference between ASTM A615 and our EN requirements, which simplified our engineer approval process. Delivery took 26 days — two days beyond the initial estimate due to port congestion, which was communicated in advance. Quality was solid: CE at 0.50%, elongation 15.1%. Would have been five stars with tighter logistics. Will order again.
用户
Oliver H.
United Kingdom
2025-03-17
Good value on bulk Grade 60 order, minor packaging feedback
Ordered 75 tonnes of 16 mm and 20 mm ASTM A615 Grade 60 bars for retaining wall construction in Yorkshire. Mechanical properties were fully compliant — yield strength 425 MPa, UTS 638 MPa — and the mill test certificates were clear and well-organised. Pricing was noticeably competitive versus our usual UK steel stockholder, saving around 9% on this volume. One bundle arrived with slightly damaged wire binding, though the bars themselves were undamaged. Supplier arranged a credit promptly. Overall strong value for the specification required.
用户
Sophie W.
Australia
2025-04-08
Repeat purchase — quality and service remain top-tier
This is our fourth order totalling over 350 tonnes of 12 mm to 50 mm high strength bars across multiple Queensland infrastructure projects. Every batch has passed our third-party lab verification against ASTM A615 with zero non-conformances. Lead times have been consistently 21–25 days to Brisbane port. The account manager proactively flagged a price reduction on 32 mm bars during our last inquiry, which we appreciated. The free sample evaluation before our first order gave us the confidence to commit to long-term supply. Excellent ongoing partnership.
用户
Ahmed K.
UAE
2025-04-30
Reliable partner for large-scale bridge deck reinforcement
Placed an order for 200 tonnes of 20 mm and 28 mm ASTM A615 Grade 60 bars for a bridge deck project in Dubai. The supplier handled all export documentation and coordinated delivery to Jebel Ali port without issues. MTC reports showed UTS consistently above 620 MPa and elongation at 14.8%. We requested 9 m custom lengths to reduce on-site cutting waste — accommodated without additional lead time. This is our second major order and the quality has been identical to the first. Strong technical support throughout.
用户
James R.
United Kingdom
2025-05-23
Fast quote turnaround and reliable BS 4449 certification
Needed a quick supply of 6 mm to 16 mm deformed bars to BS 4449:2005+A3:2016 for a residential tower project in Manchester. Received a detailed quotation within 20 hours of submitting our drawings — faster than any UK distributor we contacted. The sales engineer flagged a diameter substitution that actually reduced our material cost by 8%. Shipment of 60 tonnes arrived on schedule with full documentation. Customer support kept us updated at every logistics stage. Will be using this supplier for our next two projects.
用户
Priya S.
India
2025-06-14
Consistent Grade 75 specs across three shipments
Sourced 120 tonnes of 40 mm diameter Grade 75 bars compliant with GB/T 1499.2-2018 for a heavy-load industrial facility foundation in Pune. Tensile strength averaged 731 MPa across our in-house tests — matching the MTC data exactly. Carbon equivalent stayed at 0.52%, keeping weldability acceptable. We have now placed three repeat orders over six months and dimensional tolerances have been identical each time. Mill-direct pricing saved us roughly 11% versus local distributors. Highly recommended for large infrastructure procurement.
用户
Marcus T.
United States
2025-06-29
Exceptional ASTM A706 compliance for seismic project
We ordered 85 metric tons of 25 mm and 32 mm Grade 60 bars for a seismic-resistant frame project in California. Every bundle came with a heat-traceable MTC confirming yield strength of 438 MPa and elongation of 16.2% — well within ASTM A706 requirements. The Tempcore surface hardness was consistent across all coils. Delivery to our LA warehouse took 18 days from order confirmation. Technical team responded to our drawing review within hours. This is the level of traceability our structural engineers require.

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
$480 1-49 吨 基准价
$459 50-99 吨 4.4% 优惠
$448 ≥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$ 480.00
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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