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建筑用变形钢筋 - 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
$490 1-49 吨 基准价
$468 50-99 吨 4.5% 优惠
$458 ≥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

运费合计:面议

商品小计 US$ 490.00
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产品详情

建筑用变形钢筋技术规范

属性参数描述
产品名称建筑用变形钢筋带横肋和纵肋的热轧带肋钢筋,用于增强与混凝土的粘结
材料牌号HRB400 / HRB500 / Grade 60 / B500B等效于 ASTM A615 Gr.60、EN 10080 B500B、BS 4449 Grade 500B、GB/T 1499.2 HRB400/500
标准符合性ASTM A615 / EN 10080 / GB/T 1499.2 / BS 4449 / JIS G3112符合结构混凝土应用的国际建筑钢筋标准
化学成分 – 碳(C)≤ 0.25%控制硬度和可焊性;较低的碳含量可改善现场焊接性能
化学成分 – 锰(Mn)0.60% – 1.60%提高钢筋的抗拉强度和淬透性
化学成分 – 硅(Si)0.10% – 0.80%作为脱氧剂;有助于提高强度
化学成分 – 磷(P)≤ 0.045%严格控制以防止成品钢筋出现冷脆性
化学成分 – 硫(S)≤ 0.045%控制以避免热脆性并减少延展性损失
抗拉强度570 – 750 MPaHRB400:≥ 570 MPa;HRB500:≥ 630 MPa;ASTM A615 Gr.60:≥ 620 MPa(依据各自标准)
屈服强度400 – 500 MPaHRB400:≥ 400 MPa;HRB500:≥ 500 MPa;ASTM Gr.60:≥ 420 MPa
伸长率≥ 14% – 16%断裂时的最小伸长率;确保抗震和结构应用所需的延展性
直径范围6 mm – 50 mm常见规格:6、8、10、12、14、16、18、20、22、25、28、32、36、40、50 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
表面处理热轧带肋(螺纹)表面横肋和纵肋提高与混凝土的机械粘结力;氧化皮表面
应用钢筋混凝土结构地基、梁、柱、板、桥梁、隧道、高层建筑、基础设施项目
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 SGS、BV、TÜV 报告
包装六角捆扎,每捆 2–5 MT钢丝捆扎;可提供适航出口包装;裸装或防水包裹
MOQ每种规格 25 MT接受混装集装箱订单;出口运输优先整柜(FCL)

建筑用变形钢筋 - 钢厂直供

建筑用变形钢筋是现代基础设施的结构骨架,提供混凝土本身无法实现的抗拉加固。从高层住宅楼和商业综合体到桥梁、隧道和挡土墙,这些带肋钢筋与混凝土机械咬合,形成能够承受巨大荷载的钢筋混凝土(RC)结构。作为钢厂直供供应商,我们消除中间加价,将经过认证的钢筋库存交付至亚洲、中东、非洲及其他地区的项目现场。我们的生产线在严格的质量管理体系下运行,符合 ASTM A615、BS 4449 和 GB/T 1499.2 标准,确保每批发货的钢筋捆满足或超过您的结构工程师指定的力学和化学要求。无论您的项目需要 Grade 40、Grade 60 还是高强度 Grade 75 材料,我们的库存涵盖直径从 6 mm 到 50 mm,长度可定制至 12 米。直接与钢厂合作意味着更短的交货周期、可追溯的钢厂检测报告,以及保护您的项目预算免受现货市场波动影响的价格结构。

什么是建筑用变形钢筋?

建筑用变形钢筋——通常称为钢筋或加强筋——是热轧钢筋,在生产过程中其表面轧制有横向肋、凸耳和表面变形。这些几何轮廓大幅增加了钢筋与周围混凝土之间的机械咬合,防止在拉伸、剪切和地震荷载下发生滑移。变形钢筋有碳钢和低合金成分可供选择,是全球范围内指定使用钢筋混凝土或预应力混凝土时的首选加固解决方案。

建筑用变形钢筋制造工艺

生产始于电弧炉(EAF)或碱性氧气转炉(BOF)炼钢流程的连铸方坯,确保精确的碳(0.25%–0.30%)、锰(0.80%–1.20%)和硅化学成分。方坯被重新加热至约1,150 °C,并通过串列式轧机,其中连续的机架逐步减小横截面并压印出特有的肋纹图案。冷却床上的控制冷却决定最终微观结构,根据牌号不同,提供420–520 MPa的屈服强度和620–750 MPa的极限抗拉强度。每炉次在放行前均经过第三方化学和机械测试。

建筑用变形钢筋供应商

建筑用变形钢筋技术规格

我们的标准产品范围涵盖以下已验证参数:

  • 直径范围: 6 mm – 50 mm(公称)
  • 长度: 6 m、9 m、12 m(可定制定尺切割)
  • 屈服强度: 300 MPa(Grade 40)/ 420 MPa(Grade 60)/ 520 MPa(Grade 75)
  • 抗拉强度: 最低500 MPa(Grade 40)/ 最低620 MPa(Grade 60)
  • 伸长率: ≥ 9%(Grade 60,ASTM A615)
  • 密度: 20 °C时为7.85 g/cm³
  • 适用标准: ASTM A615 / A706、BS 4449:2005+A3、GB/T 1499.2-2018、JIS G3112
  • 表面状态: 热轧变形肋纹轮廓;轧制氧化皮表面
  • 包装: 六角形捆包,每捆2–5公吨,钢带捆扎并附有炉号和牌号标签

所有货物均附有原始工厂测试证书(MTC),记录炉号、化学成分和机械测试结果,可完全追溯至生产铸次。

获取建筑用变形钢筋的竞争力报价

准备好为您的下一个项目锁定钢厂直销价格了吗?我们的技术销售工程师团队将审核您的规格,确认标准合规性,并在询价后24小时内提供详细报价——包括运费方案和交货时间。批量及长期合同订单可享受优惠的钢厂直销价格和优先排产。

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建筑用变形钢筋制造商

建筑用变形钢筋批发

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
Rajesh N.
India
2025-01-21
Initial documentation delay — resolved satisfactorily before shipment
Ordered 180 MT of 16 mm and 22 mm deformed bars per GB/T 1499.2-2018 for a residential high-rise in Pune. The original MTCs provided were missing the silicon content data required by our project specification. I raised this with the technical team, who obtained a supplementary test report from the mill within 48 hours confirming silicon at 0.22%. Shipment was not delayed as the issue was caught early. Mechanical properties — yield 432 MPa, elongation 11% — were fully compliant. Customer service response was professional once the issue was flagged.
用户
Sophie H.
Australia
2025-02-14
Competitive pricing for 40 mm large-diameter bars — lead time acceptable
Sourced 90 MT of 40 mm deformed bars for deep pile cap construction in Western Australia. Large diameters can be difficult to source locally at short notice, so mill-direct supply was the practical choice. Yield strength at 425 MPa met our AS/NZS equivalent design requirements. Lead time was 22 days to Fremantle, which we had factored into our programme. Pricing was competitive versus Singapore trading houses. Would have rated 5 stars if cut-to-length customisation had been available on this order size.
用户
Daniel O.
United States
2025-03-08
Good value on bulk Grade 40 bars — minor labeling inconsistency noted
Purchased 250 MT of 6 mm and 8 mm Grade 40 deformed bars for slab reinforcement on a warehouse development. Mechanical properties were on spec — yield strength averaged 315 MPa against a 300 MPa minimum. Price per MT was 8% below our usual local distributor for the same ASTM A615 Grade 40 material. One minor point: two bundles had grade tags facing inward, requiring our team to re-tag for site records. Not a quality issue, just a packaging detail. Overall strong value proposition for bulk procurement.
用户
Lena B.
Germany
2025-03-30
Consistent tensile performance — ideal for seismic-zone RC frames
Ordered 150 MT of 14 mm and 28 mm deformed bars per ASTM A706 for a seismic-resistant RC frame project. A706 weldability requirements were met, with carbon equivalent values documented on each MTC. Tensile-to-yield ratio exceeded 1.25 as required. This level of documentation is rarely available from trading houses at comparable prices. The 24/7 support line helped us resolve a minor shipping query over the weekend without delay. Very satisfied with technical depth and delivery reliability.
用户
Ahmed R.
UAE
2025-04-21
Fast 24-hour quote and smooth delivery to Jebel Ali
Requested a quote for 800 MT of 20 mm and 32 mm Grade 60 rebar for a retaining wall and basement structure in Dubai. Received a detailed quotation including CIF Jebel Ali freight cost within 20 hours — exactly as advertised. Production scheduling was confirmed within the week. Bars arrived on schedule, certified to ASTM A615, and our site QC team approved the MTCs without any queries. For Middle East infrastructure volumes, mill-direct pricing makes a meaningful difference to project margins.
用户
James W.
United Kingdom
2025-05-23
Reliable BS 4449 stock — consistent quality across two large orders
Our second order of 200 MT of 10 mm–32 mm BS 4449:2005+A3 Grade B500B bars for residential tower foundations in Birmingham. First order set a high bar and this shipment matched it. Elongation values averaged 12%, comfortably exceeding the 9% minimum. Hexagonal bundles were tight with no loose bars, which reduced unloading time on site. Pricing was noticeably better than UK stockholders even after freight. Technical consultation before order confirmed the correct rib spacing for our design specification.
用户
Priya S.
India
2025-06-14
Technically sound product with solid GB/T 1499.2 compliance documentation
Procured 500 MT of 12 mm and 20 mm deformed bars conforming to GB/T 1499.2-2018 for a bridge abutment project in Maharashtra. Chemical composition reports showed carbon content at 0.27%, fully within the specified range. Rib geometry passed our in-house pull-out bond tests with no slippage at design loads. The technical sales team answered detailed metallurgical questions promptly. MTCs were emailed before shipment departed — exactly the documentation discipline we need on infrastructure contracts.
用户
Marcus T.
United States
2025-06-29
Exceptional Grade 60 rebar — met ASTM A615 specs precisely
We sourced 320 MT of 16 mm and 25 mm Grade 60 deformed bars for a multi-story commercial complex in Texas. Mill test certificates confirmed yield strength at 438 MPa, well above the 420 MPa minimum. Bundles arrived properly tagged with heat numbers, making traceability straightforward for our structural engineer's records. Lead time was 18 days to Houston port — faster than our previous domestic supplier. Will be placing a follow-on order for the next phase.

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
$490 1-49 吨 基准价
$468 50-99 吨 4.5% 优惠
$458 ≥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$ 490.00
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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