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建筑用螺纹钢筋 - 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
$469 1-49 吨 基准价
$448 50-99 吨 4.5% 优惠
$438 ≥100 吨 6.6% 优惠
价格有效期:随行就市

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数量

最小起订量: 1 吨

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商品小计 US$ 469.00
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付款与交货
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随报价一并确认
包装:
标准出口包装
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建筑用螺纹钢筋技术规范

属性参数描述
产品名称建筑用螺纹钢筋用于混凝土结构的变形钢筋
材料牌号HRB400 / HRB500 / SD400 / Grade 60等效于 BS4449 B500B、ASTM A615 Gr.60、EN 10080 B500
标准合规ASTM A615 / A706、EN 10080、GB/T 1499.2、JIS G3112符合国际结构配筋标准
化学成分 (C)≤ 0.25%碳含量控制焊接性和硬度
化学成分 (Mn)≤ 1.60%锰提高抗拉强度和韧性
化学成分 (P / S)P ≤ 0.045% / S ≤ 0.045%磷和硫限值依据 ASTM A615 / EN 10080
化学成分 (Si)≤ 0.80%硅提高强度和脱氧
抗拉强度≥ 540 MPa (HRB400) / ≥ 630 MPa (HRB500)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 620 MPa
屈服强度≥ 400 MPa (HRB400) / ≥ 500 MPa (HRB500)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 420 MPa
伸长率≥ 16% (HRB400) / ≥ 15% (HRB500)依据 GB/T 1499.2 的最小断裂伸长率
直径范围6 mm – 50 mm常见尺寸:8、10、12、16、20、25、32、40 mm
长度6 m / 9 m / 12 m 或定制标准轧制长度;可定制切割
表面处理热轧变形(带肋)表面横向和纵向肋条,实现优异的混凝土粘结
应用建筑、桥梁、隧道、地基、挡土墙钢筋混凝土结构中的主要配筋
认证ISO 9001, CE Mark, BIS, SGS, Mill Test Certificate (MTC)可提供第三方检验和材料追溯
包装捆扎成 2–5 MT 捆,钢带捆扎裸装或防水包装;适合海运的出口包装
MOQ每单 25 MT超过最低数量可接受混合牌号和尺寸

建筑用螺纹钢筋 - ASTM认证供应商

建筑用钢筋是现代基础设施的结构骨架,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公路桥梁、隧道和大坝基础,这些带肋钢筋在土木和结构工程的几乎每个领域都不可或缺。我们的钢厂直供供应链确保每根发货的钢筋都符合严格的尺寸公差和力学性能基准,为承包商、开发商和采购团队提供安全高效建设所需的信心。凭借ASTM认证的生产能力、ISO 9001注册的质量管理体系,以及能够满足从小型项目批次到数千公吨批量合同订单的全球物流网络,我们以经济高效的钢厂直供价格提供优质建筑用钢筋——并在您项目的每个阶段提供透明的文件支持和响应迅速的技术支持。

建筑用钢筋供应商

什么是建筑用钢筋?

建筑用钢筋——正式名称为加固钢筋——是嵌入混凝土结构中的热轧带肋钢筋,用于吸收拉应力、剪应力和压应力。表面的横肋和纵肋与周围混凝土形成机械咬合,将脆性基体转变为延性复合体系。常用供货牌号包括ASTM A615 40级、60级和75级,以及面向国际市场的BS 4449 B500B和GB/T 1499.2 HRB400/HRB500。

建筑用钢筋生产工艺

生产始于电弧炉(EAF)或碱性氧气转炉(BOF)炼钢的连铸方坯。方坯被重新加热至约 1,150–1,250 °C,然后通过多机架轧机,逐步减小横截面,同时赋予特有的表面变形图案。通过水淬生产线(Tempcore® 或同等工艺)进行控制冷却,实现硬化马氏体表层与强韧铁素体-珠光体芯部之间所需的微观结构平衡,从而在整个钢筋长度上稳定达到规定的屈服强度和抗拉强度。

建筑用钢筋制造商

建筑用钢筋技术规格

标准直径范围为 6 mm 至 50 mm(或英制尺寸 #3 至 #18),默认轧机长度为 6 m、9 m 或 12 m。根据 ASTM A615 Grade 60,最小屈服强度为 420 MPa,最小抗拉强度为 620 MPa,在 8 英寸标距长度上的最小伸长率为 9%。密度为 7.85 g/cm³。还提供符合 ASTM A775 的环氧涂层变体以及符合 ASTM A955 的不锈钢钢筋,适用于腐蚀性环境。每批货物均附有轧机测试报告(MTR)和第三方检验证书。

获取建筑用钢筋的竞争性报价

无论您是为一单个项目采购建筑用钢筋,还是建立长期供应协议,我们的团队都准备好在询价后 24 小时内提供定制价格、灵活的交付时间表和完整的技术文档。立即联系我们,让我们从地基开始支持您的下一个建筑项目。

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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
David Kowalski
United States
2025-02-01
Initial documentation gap on #5 rebar order — resolved promptly
We purchased 75 MT of ASTM A615 Grade 40 #5 bars for a municipal retaining wall project in Ohio. On arrival, the packing list referenced a different heat number than the MTRs, which would have flagged in our owner's quality audit. I raised it with the support team the same day. They issued a corrected MTR with a formal non-conformance closure letter within 48 hours, which satisfied our project engineer. The bars themselves tested fine — yield at 295 MPa, elongation compliant. Issue was administrative, not metallurgical, and the response was professional. Cautiously willing to reorder.
用户
Rachel Donnelly
United Kingdom
2025-02-23
Solid BS 4449 B500B quality — pricing competitive for mid-size lots
Ordered 130 MT of BS 4449 B500B in 12 mm and 25 mm for a school extension contract in Leeds. Quality was consistent with the MTRs — yield and tensile values matched, surface deformation geometry was clean. Price per tonne undercut our usual UK stockholder by about 7% even after freight. The only reason this isn't five stars is that the online inquiry form had a brief technical glitch and I had to follow up by email. Response once connected was fast. Would use again for similarly sized packages.
用户
Tariq Al-Mansouri
UAE
2025-03-17
Good value on bulk Grade 60 — minor lead time variance worth noting
Procured 850 MT of ASTM A615 Grade 60 in 12 mm, 16 mm, and 32 mm for a logistics park development in Dubai Industrial City. Mill pricing was noticeably below two local distributors we quoted, and the MTRs were thorough. Actual delivery came in three days beyond the agreed 22-day window due to port congestion at origin — not ideal but manageable with buffer stock. Quality on arrival was fully compliant; no rejections. Rating four stars rather than five purely on the schedule slip, but overall value for a large-volume order is strong.
用户
Olivia Hartmann
Australia
2025-04-08
Epoxy-coated rebar for coastal project — correct spec, on time
Specified ASTM A775 epoxy-coated #6 and #7 rebar for a beachfront apartment complex on the Gold Coast — corrosion protection was non-negotiable for our structural engineer. Received 95 MT with full coating continuity test results and holiday detection reports included. Bars arrived with protective end caps intact and no coating damage noted on delivery inspection. The team proactively flagged a minor port delay four days early and rerouted through an alternative terminal, keeping us on programme. Repeat order already placed for the podium slab phase.
用户
Stefan Brauer
Germany
2025-04-30
Consistent Grade 60 supply across three consecutive orders — exactly what a framework contract needs
We established a framework supply agreement covering roughly 1,200 MT of ASTM A615 Grade 60 rebar in diameters from 10 mm to 40 mm across three tunnel lining packages. Heat-to-heat consistency has been excellent — yield strength variance between batches is under 15 MPa. ISO 9001 certification and full traceability documentation align with our internal QMS requirements. Pricing has remained stable against agreed indices. We are now in discussion to extend the agreement to cover two additional infrastructure contracts starting in Q1 next year.
用户
James Whitfield
United Kingdom
2025-05-23
BS 4449 B500B — responsive team saved us on a tight programme
Our groundworks contractor needed 210 MT of BS 4449 B500B in 16 mm and 20 mm for a retail park development near Birmingham. The original supplier fell through at four weeks out. This team turned around a competitive quote in under six hours, arranged third-party inspection, and delivered to our steel-fixing yard within 17 days. Customer support was available evenings to track the shipment. The bars passed our site engineer's checks without a single non-conformance. Will be using them again on our Q4 residential scheme.
用户
Priya Nambiar
India
2025-06-14
HRB500 rebar for bridge foundation — technically solid, well-documented
Sourced 620 MT of HRB500 (GB/T 1499.2) in 25 mm and 32 mm diameters for a state highway bridge project in Maharashtra. The surface rib geometry met specification precisely, and third-party inspection certificates from SGS accompanied the shipment. Tensile strength readings averaged 660 MPa across sampled batches. The technical team answered detailed questions about Tempcore® quenching parameters within hours. For infrastructure procurement where documentation is audited by government engineers, this supplier's paperwork quality is a genuine differentiator.
用户
Marcus T.
United States
2025-06-29
ASTM A615 Grade 60 — Spot-on mechanical properties, zero deviation
We ordered 480 metric tons of #8 and #10 rebar (ASTM A615 Grade 60) for a 14-story mixed-use tower in Dallas. Every MTR confirmed yield strength above 430 MPa and elongation well over the 9% minimum. Dimensional tolerances on the 12 m bars were consistent across all bundles. Mill test reports arrived before the shipment, which our structural engineer appreciated. Delivery hit the site on day 18 of a 21-day window. This is exactly the kind of reliable supply chain a large commercial project demands.

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
$469 1-49 吨 基准价
$448 50-99 吨 4.5% 优惠
$438 ≥100 吨 6.6% 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$ 469.00
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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