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钢筋 - ASTM认证轧钢厂供应商

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
$521 1-49 吨 基准价
$498 50-99 吨 4.4% 优惠
$487 ≥100 吨 6.5% 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$ 521.00
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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结构应用中混凝土加固的带肋和光圆钢筋
材料牌号HRB400 / HRB500 / Grade 60 / B500B等效牌号:ASTM A615 Gr.60、EN 10080 B500B、GB/T 1499.2 HRB400/HRB500、JIS G3112 SD390
标准合规ASTM A615 / EN 10080 / GB/T 1499.2 / JIS G3112按照国际建筑和结构标准制造和测试
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)≤ 1.60%锰可提高强度和淬透性
化学成分 (P)≤ 0.045%限制磷含量以防止脆性
化学成分 (S)≤ 0.045%控制硫含量以保持韧性和延展性
化学成分 (Si)≤ 0.80%硅作为脱氧剂和强化元素
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)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 420 MPa;EN B500B:≥ 500 MPa
伸长率≥ 16% (HRB400) / ≥ 15% (HRB500)断裂时的最小伸长率,确保结构延展性和抗震性能
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 或定制标准轧制长度;可根据项目要求定制切割
表面处理带肋(螺纹)/ 光圆(光滑)带横肋的螺纹钢筋,与混凝土粘结性能更优;光圆钢筋用于特定结构用途
应用建筑、桥梁、隧道、地基、挡土墙广泛应用于土木及基础设施项目中的钢筋混凝土(RC)和预应力混凝土结构
认证ISO 9001、CE 认证、工厂测试证书(MTC)可提供第三方检验;可根据要求提供符合 EN 10204 Type 3.1 的证书
包装2–5 公吨捆扎,钢丝绑扎每捆标注炉号、牌号和标准;可提供适合海运的出口包装
最小起订量每个规格/牌号 25 公吨接受混装集装箱订单;大型建筑项目可提供散装运输

钢筋 - ASTM认证轧钢厂供应商

建筑用钢筋是现代土木工程的结构骨架,提供混凝土本身无法实现的抗拉强度。从高层住宅楼和商业综合体到桥梁、隧道和公路基础设施,这些钢筋嵌入混凝土框架中,以抵抗弯曲、剪切和地震力。作为ASTM认证的钢厂供应商,我们制造并交付符合全球最严苛项目规格的优质钢筋。我们的生产线以一致性为设计目标,确保每根离开工厂的钢筋都具有均匀的横肋几何形状、受控的碳含量和经过验证的力学性能。无论您的项目需要标准带肋钢筋、用于腐蚀环境的环氧涂层变体,还是用于海洋结构的不锈钢复合选项,我们多样化的产品组合都能满足建筑需求的全部范围。在严格的第三方检测和完整钢厂测试报告的支持下,我们的建筑用钢筋让工程师和承包商有信心安全、高效地大规模建设。

建筑用钢筋供应商

什么是建筑用钢筋?

建筑用钢筋——通常称为rebar——是带有表面变形(横肋或凸耳)的热轧或冷加工钢筋,可增强与混凝土的机械粘结。它们由碳钢或低合金钢制成,可抵消混凝土固有的抗拉弱点。标准等级包括ASTM A615 40级、60级和80级,以及用于抗震区可焊接、延性应用的ASTM A706。钢筋直径通常从#3(9.5 mm)到#18(57.3 mm)。

建筑用钢筋制造工艺

生产始于在电弧炉(EAF)中熔化废钢或原始钢坯,随后在约1,600 °C下连续铸造成钢坯。钢坯被重新加热至约1,100 °C,并通过一系列轧机进行热轧,逐步减小横截面并形成 characteristic 变形肋纹图案。在冷却床上进行控制冷却可确保精确的微观结构发展,达到300 MPa至550 MPa之间的目标屈服强度。每个卷材或直条在发货前都经过尺寸检验和拉伸测试。

建筑用钢筋技术规格

我们的建筑用钢筋符合ASTM A615、ASTM A706、BS 4449和ISO 6935-2标准。关键机械性能包括最小屈服强度420 MPa(Grade 60)、最小抗拉强度620 MPa,以及在8英寸标距长度上伸长率≥ 9%。公称直径范围为6 mm至57 mm,单位重量从0.222 kg/m(#3)到20.24 kg/m(#18)。密度为7.85 g/cm³,碳当量(CE)保持在≤ 0.55%,以确保可焊性和动态载荷下的延展性能。

建筑用钢筋制造商

获取钢筋的竞争性报价

准备以钢厂直销价格采购建筑用钢筋?我们的技术销售专家团队将审查您的项目图纸,建议最佳的等级和尺寸组合,并在24小时内提供详细报价。我们支持现货订单和长期供应合同,并提供灵活的物流解决方案至全球各地港口。

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建筑用钢筋批发

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 L.
United States
2025-02-02
Initial shipment had surface rust on outer bundles — issue resolved satisfactorily
Our first order of 180 MT of ASTM A615 Grade 60 #5 and #8 bars arrived with moderate surface rust on the outermost bundles, likely from extended port storage during transit delays. We raised the issue immediately. The supplier's QC team reviewed our photos within 12 hours, confirmed the rust was superficial and within ASTM permissible limits, and provided a written technical clarification for our project engineer. They also arranged additional protective wrapping at no cost for our follow-up order. The rebar itself tested fine — yield 431 MPa, elongation 10.1%. Issue handled professionally; will reorder with improved packaging agreed.
用户
Rajan M.
Germany
2025-02-24
Competitive mill-direct pricing for EN-equivalent rebar, delivery as promised
We sourced 260 MT of 10 mm and 20 mm deformed bars conforming to ISO 6935-2 for redistribution to German construction clients requiring EN 10080-compatible material. The mechanical properties — Re ≥ 500 MPa, Rm/Re ≥ 1.08 — were confirmed by the accompanying test certificates. Price per metric ton was 7–9% below our usual European mill sources. Delivery to Hamburg was on time at 35 days. Deducting one star because the packing list had a minor unit weight discrepancy that required a revised document — resolved same day but added administrative work.
用户
Oliver B.
United Kingdom
2025-03-18
Good value on bulk pricing — minor documentation delay at outset
Ordered 400 MT of ASTM A615 Grade 60 rebar, sizes #4 through #9, for a mixed-use development in Manchester. Pricing was noticeably better than our previous domestic supplier for equivalent specification. The rebar itself — yield strength 428 MPa, elongation 10.4% — met all project requirements. Only issue was a two-day delay in receiving the final mill test report before shipment could be released, which briefly held up our scheduling. The team resolved it quickly once flagged. Overall solid value and product quality; documentation process could be slightly tighter.
用户
Daniel W.
Australia
2025-04-09
Free samples confirmed quality before we committed to full volume
Before committing to a 500 MT order of ISO 6935-2 Grade B500B rebar for a tunnel lining project in Queensland, we requested free samples of 16 mm and 25 mm bars. Our in-house lab verified yield strength at 524 MPa, tensile strength at 641 MPa, and elongation at 11.8% — all exceeding minimums. The rib geometry matched the technical datasheet exactly. Based on those results we placed the full order. Shipment arrived at Brisbane Port in 33 days with complete documentation. Straightforward process from sampling to delivery.
用户
Fatima Al-R.
UAE
2025-05-01
Epoxy-coated rebar for marine infrastructure — excellent corrosion resistance
Procured 290 MT of epoxy-coated ASTM A615 Grade 60 rebar in #4 and #7 sizes for a coastal desalination plant expansion. The epoxy coating thickness averaged 175 microns, verified against ASTM A775 requirements. Coating adhesion tests passed with zero holiday defects per the supplied inspection reports. Delivery to Jebel Ali Port was completed in 24 days. The supplier coordinated with our freight forwarder directly, which simplified logistics considerably. For marine and saline environments, the product quality justifies the premium over standard deformed bars.
用户
James H.
United Kingdom
2025-05-23
Consistent quality across three consecutive bulk orders
This is our third repeat order — 350 MT of BS 4449 Grade B500B deformed bars, 12 mm and 16 mm diameters, for commercial foundation works in Birmingham. Each shipment has arrived with full mill test reports, and tensile strength has consistently exceeded 620 MPa. We run our own incoming QC checks and have never had a rejection. Lead time from order confirmation to UK port delivery averaged 31 days. The long-term supply contract pricing is genuinely competitive versus domestic alternatives. Already placed our fourth order.
用户
Priya S.
India
2025-06-14
Technical team resolved our grade selection query immediately
Our team was debating between ASTM A615 Grade 60 and A706 for a highway overpass requiring partial weld connections. The technical sales specialist responded within three hours with a detailed comparison referencing CE values and AWS D1.4 weld requirements. We ordered 620 MT of #5 through #10 bars accordingly. Third-party SGS test reports were included with the shipment. Dimensional tolerances on all diameters were within ±0.3 mm. Responsive pre-sales support like this is rare in bulk steel procurement — genuinely appreciated.
用户
Marcus T.
United States
2025-06-29
ASTM A706 rebar performed flawlessly in our seismic zone project
We sourced 480 metric tons of #6 and #8 ASTM A706 Grade 60 rebar for a 14-story residential tower in a high-seismic zone. Mill test reports confirmed yield strength at 438 MPa and elongation at 13.2% — both well within spec. Carbon equivalent came in at 0.48%, making site welding straightforward. Delivery to the Port of Los Angeles was completed in 27 days, two days ahead of schedule. The uniform rib geometry on every bar was consistent across the entire shipment. Will be specifying this supplier on our next bridge deck project.

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
$521 1-49 吨 基准价
$498 50-99 吨 4.4% 优惠
$487 ≥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$ 521.00
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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