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建筑用钢筋 - ASTM认证供应商 |

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
$430 1-49 吨 基准价
$411 50-99 吨 4.4% 优惠
$402 ≥100 吨 6.5% 优惠
价格有效期:随行就市

供应商定制能力

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  • 来样定制
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数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 430.00
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交期:
随报价一并确认
包装:
标准出口包装
样品:
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产品详情

建筑用钢筋技术规范

属性参数描述
产品名称建筑用钢筋用于钢筋混凝土结构的热轧带肋钢筋和光圆钢筋
材料牌号HRB400 / HRB500 / SD400 / Grade 60国际等效牌号:ASTM A615 Gr.60、EN 10080 B500B、JIS G3112 SD400、GB/T 1499.2 HRB400
标准符合性ASTM A615 / EN 10080 / JIS G3112 / GB/T 1499.2符合主要国际建筑和结构配筋标准
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 – Mn0.60% – 1.60%锰可提高强度和淬透性
化学成分 – Si0.10% – 0.80%硅可改善脱氧和强度
化学成分 – P & SP ≤ 0.045%,S ≤ 0.045%低磷和低硫可最大限度减少脆性和热脆性
抗拉强度≥ 570 MPa (HRB400) / ≥ 630 MPa (HRB500)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 620 MPa;EN B500B:≥ 540 MPa
屈服强度≥ 400 MPa (HRB400) / ≥ 500 MPa (HRB500)ASTM A615 Gr.60:≥ 420 MPa;EN B500B:≥ 500 MPa
伸长率≥ 16% (HRB400) / ≥ 15% (HRB500)依据 GB/T 1499.2,确保结构延展性的最小断裂伸长率
直径范围6 mm – 50 mm常见尺寸:Φ6、Φ8、Φ10、Φ12、Φ16、Φ20、Φ25、Φ32、Φ40、Φ50 mm
长度6 m / 9 m / 12 m(可定制)标准轧制长度;可根据要求定制切割
表面处理变形(带肋)/ 光圆变形钢筋与混凝土具有优异的粘结强度;光圆钢筋用于箍筋和拉结筋
应用钢筋混凝土、桥梁、高层建筑、隧道、地基广泛应用于土木工程、基础设施和住宅建筑项目
认证ISO 9001、CE 认证、BIS、SGS、工厂检测证书(MTC)可提供第三方检验和材料追溯文件
包装2–5 公吨捆扎,钢带打包可提供适合海运的包装;根据买方要求裸装或防水包裹
最小起订量每种规格 25 公吨接受混装集装箱订单;大型项目可协商散装运输

建筑用钢筋 - ASTM认证供应商

建筑用钢筋是现代基础设施的结构骨架,为全球工程师和承包商提供所依赖的承载可靠性。从高层住宅楼到公路桥梁和工业设施,这些加固构件在混凝土本身无法胜任的地方精确提供抗拉强度。作为ASTM认证供应商,我们制造和分销全面的建筑钢筋系列,满足最严苛的国际标准,包括ASTM A615、ASTM A706、BS 4449和GB/T 1499.2。我们的钢厂直供供应链确保一致的材料可追溯性、有竞争力的价格,以及准时交付至北美、东南亚、中东及其他地区的项目现场。无论您的项目需要变形钢筋、光圆钢筋还是特种合金变体,我们的技术团队都随时准备将正确的牌号和规格与您的确切结构要求相匹配,帮助您从采购到最终检验全程保持质量控制。

建筑用钢筋供应商

什么是建筑用钢筋?

建筑用钢筋是热轧或冷拔钢产品,旨在加固混凝土结构、抵抗拉力和剪力,并在抗震或动态荷载条件下提供延展性。它们有变形(带肋)和光圆两种外形,由碳钢或低合金钢制成,屈服强度通常按ASTM A615分类从300 MPa(40级)到500 MPa(75级)不等,使其成为地基、柱、梁、板和挡土墙中的 essential 组件。

建筑用钢筋制造商

建筑用钢筋制造工艺

生产始于将优质钢坯送入加热至约 1,150–1,250°C 的连轧机。钢坯依次通过粗轧、中轧和精轧机架,逐步减小横截面并形成特有的表面变形花纹。冷床上的控制冷却决定最终显微组织,从而实现目标力学性能。随后,每卷或每根直条都要经过尺寸检验、拉伸试验和化学分析,之后才签发工厂认证。

建筑用钢筋技术规格

我们的标准产品范围涵盖直径 6 mm 至 50 mm,长度为 6 m、9 m 和 12 m,并可提供定制切割。关键力学基准包括:根据 ASTM A615 的 Grade 60,最小屈服强度为 420 MPa,极限抗拉强度为 620 MPa,断裂伸长率 ≥ 9%。碳当量保持在 ≤ 0.55%,以确保现场可焊性。表面横肋几何形状符合 ASTM A615 变形要求,相对肋面积 ≥ 0.057,以实现优异的混凝土粘结性能。所有钢筋均具有炉号可追溯性和工厂试验报告(MTR)。

获取建筑用钢筋的竞争性报价

与值得信赖的 ASTM 认证供应商合作,享受钢厂直供价格、稳定质量和快速响应的物流。立即提交您的项目规格,24 小时内即可收到详细报价,并提供完整文件支持,包括 MTR、化学分析报告和第三方检验协调。

  • 提供 24/7 客户支持
  • 提供免费样品用于质量评估
  • 批量订单具有竞争力的价格
  • 专业的技术咨询

立即联系我们,24 小时内获取免费报价!

建筑用钢材批发

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
Robert H.
United States
2025-02-02
Material quality fine, initial paperwork mix-up resolved
We ordered 50 tons of 19 mm ASTM A615 Grade 60 rebar for a commercial slab project in Atlanta. The bars themselves tested correctly – yield at 430 MPa, elongation at 10% – and concrete bond performance on site has been good. However, the initial shipment documentation included MTRs referencing a different heat number than the bundles received, which flagged in our QC review and stalled acceptance for three days. After escalating, the supplier issued corrected documentation within 24 hours and clarified the administrative error. Issue fully resolved, but it added stress to our schedule. Quality control on paperwork should match the material quality.
用户
Liam O.
Australia
2025-02-24
Competitive pricing on Grade 500N rebar, documentation very good
Purchased 75 tons of 16 mm and 20 mm deformed rebar to AS/NZS 4671 Grade 500N for a multi-residential development in Perth. We requested cross-certification against ASTM A615 Grade 60 and the supplier provided a detailed equivalency letter alongside the standard MTRs, which our engineer accepted. Unit pricing was competitive for the volume, and the free sample bars we evaluated before committing matched the full shipment quality. Lead time of 38 days was reasonable. Slightly docking one star because the initial quotation omitted freight insurance details, but this was corrected promptly when flagged.
用户
Sophie M.
United Kingdom
2025-03-18
Good value on BS 4449 rebar, minor lead time variance
Ordered 140 tons of 10 mm and 20 mm BS 4449 B500B deformed bars for a retaining wall scheme in Leeds. Material quality was solid – tensile strength averaged 580 MPa and elongation was consistently above spec. Pricing came in around 6% below our usual UK distributor, which is meaningful on this volume. The only reason for four stars rather than five is that the confirmed delivery window shifted by four days mid-transit due to port congestion, though the team communicated proactively and we adjusted our site schedule without major disruption. Would order again.
用户
Daniel K.
Germany
2025-04-09
Technical depth sets this supplier apart for industrial foundations
Sourced 60 tons of 25 mm and 50 mm plain round bars plus 28 mm deformed rebar for an industrial facility foundation in Bavaria. Our structural team had specific questions about relative rib area compliance and tensile-to-yield ratio requirements under EN 1992. The supplier's technical team provided detailed cross-reference data between ASTM A615 and EN standards, supported by independent lab test certificates. Lead time was 35 days, acceptable for our programme. Mill traceability documentation was complete and well-organized. A competent, technically-informed partner for complex industrial projects.
用户
Fatima Al-R.
UAE
2025-05-01
Reliable supplier for high-rise rebar in Dubai
We placed a repeat order for 250 tons of 16 mm to 32 mm ASTM A615 Grade 60 deformed rebar for a mixed-use tower project in Dubai. This is our third procurement cycle with this supplier and quality has been consistent across all shipments. MTRs, chemical analysis, and dimensional inspection reports arrive before the vessel departs, which keeps our project documentation on track. Pricing on bulk orders is genuinely competitive versus local distributors. The 24-hour quotation turnaround is a real operational advantage when we're working against tender deadlines.
用户
James R.
United Kingdom
2025-05-23
BS 4449 B500B bars delivered on time, documentation flawless
Procured 95 tons of 12 mm and 16 mm deformed bars to BS 4449 B500B for a commercial car park structure in Birmingham. All bars carried CE marking and the chemical analysis reports matched our structural engineer's requirements precisely. Lead time was 31 days port-to-port, which fit our programme with no delays. The supplier arranged third-party inspection at origin, saving us considerable cost. Surface rib geometry checked out perfectly against BS 4449 deformation requirements. This is our second contract with them and the consistency is impressive.
用户
Priya S.
India
2025-06-14
Consistent quality on large highway bridge project
We sourced 320 tons of 32 mm and 40 mm ASTM A706 Grade 60 rebar for seismic-zone bridge columns in Maharashtra. The controlled chemistry – particularly the low carbon equivalent – was critical for our welded splice connections, and the MTRs verified every heat lot without exception. Elongation at break averaged 11%, comfortably above the 9% minimum. Packaging was clean and rust-free on arrival despite a long sea transit. Customer support coordinated a pre-shipment inspection with our nominated surveyor efficiently. Highly recommended for large civil projects.
用户
Marcus T.
United States
2025-06-29
Excellent ASTM A615 Grade 60 rebar – meets every spec
Ordered 180 metric tons of 20 mm and 25 mm deformed rebar to ASTM A615 Grade 60 for a 12-story residential tower in Houston. Mill test reports confirmed yield strength at 445 MPa and carbon equivalent well under 0.55%, exactly as advertised. Delivery to our site arrived in 28 days, two days ahead of schedule. The heat number traceability on every bundle made our third-party inspection straightforward. Technical team responded to our weldability queries within hours. Will be placing our next order for the foundation phase shortly.

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
$430 1-49 吨 基准价
$411 50-99 吨 4.4% 优惠
$402 ≥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$ 430.00
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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