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桥梁建设用钢筋 - 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
$455 1-49 吨 基准价
$435 50-99 吨 4.4% 优惠
$425 ≥100 吨 6.6% 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$ 455.00
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桥梁建设用钢筋技术规范

属性参数描述
产品名称桥梁建设用钢筋用于桥面板、桥墩、桥台和预应力结构的高强度带肋钢筋
材料牌号HRB400 / HRB500 / Grade 60 / B500B国际等效牌号:ASTM A615 Gr.60、EN 10080 B500B、GB/T 1499.2 HRB400/HRB500、JIS G3112 SD390
标准符合性ASTM A615 / A706、EN 10080、GB/T 1499.2、JIS G3112符合桥梁专用结构规范,包括 AASHTO LRFD 和 BS 5400
化学成分 – C≤ 0.25%(HRB400)/ ≤ 0.28%(HRB500)低碳含量确保抗震桥梁应用的焊接性和延展性
化学成分 – Mn0.60% – 1.60%锰提高抗拉强度和淬透性
化学成分 – Si0.20% – 0.80%硅提高强度和耐腐蚀性
化学成分 – P & SP ≤ 0.045%,S ≤ 0.045%控制磷和硫以最大限度减少脆性和热裂纹
抗拉强度≥ 570 MPa(HRB400)/ ≥ 630 MPa(HRB500)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 620 MPa;确保桥梁动态荷载下的结构完整性
屈服强度≥ 400 MPa(HRB400)/ ≥ 500 MPa(HRB500)依据 GB/T 1499.2;ASTM A615 Gr.60:≥ 420 MPa;对桥梁构件承载能力至关重要
伸长率≥ 16%(HRB400)/ ≥ 15%(HRB500)高伸长率确保桥梁结构的延性破坏模式和抗震能量吸收
直径范围6 mm – 50 mm常用桥梁规格:Ø12、Ø16、Ø20、Ø25、Ø32、Ø40 mm;可按要求提供定制规格
长度6 m – 12 m(标准)/ 最长 18 m(定制)定尺或乱尺;可为桥梁项目需求提供定尺切割服务
表面处理热轧带肋(螺纹)表面横向和纵向肋与混凝土形成优异的机械粘结;可为腐蚀性环境提供环氧涂层选项
应用桥面、桥墩、桥台、承台、挡土墙、预应力混凝土桥梁适用于公路、铁路、斜拉桥和悬索桥加固
认证ISO 9001、CE 标志、按 EN 10204 3.1 出具的工厂测试证书(MTC)可提供 SGS、BV 或 TÜV 第三方检验;符合 AASHTO 和 Eurocode 2
包装2–5 MT 捆扎,铁丝绑扎;可提供适合海运的包装标注炉号、牌号、直径和标准,实现全程可追溯
MOQ每单 25 MT接受混合牌号和尺寸;500 MT 以上批量订单可享受优先排产和有竞争力的价格

桥梁建设用钢筋 - 钢厂直供

用于桥梁建设的钢筋是每个现代桥梁项目的结构骨架,在必须承受数十年动态荷载、地震活动和恶劣环境暴露的跨度中传递拉伸和压缩力。与常规建筑钢筋不同,桥梁级钢筋必须满足更严格的机械和化学公差——包括受控碳当量(CE ≤ 0.55),以确保现场可靠的可焊性。直接从认证钢厂采购可消除中间商加价,并保证从钢坯到成品钢筋的全程可追溯性。我们的钢筋符合 ASTM A615、ASTM A706 和 BS 4449:2005 标准,适用于全球范围内的公路桥梁、斜拉结构、铁路高架桥和人行天桥。凭借稳定的轧制计划和专门的 QA 团队进行逐炉测试,我们交付工程师和承包商信赖的关键基础设施材料。无论您的项目需要标准 Grade 60 变形钢筋还是高延性 Grade 80 抗震钢筋,我们的钢厂直供供应链都能以具有成本效益的价格确保质量和按时交付。

桥梁建设用钢筋供应商

什么是用于桥梁建设的钢筋?

桥梁建设用钢筋——通常称为桥梁钢筋——是指嵌入混凝土桥面、桥墩、桥台和梁中的变形钢筋或环氧涂层钢筋,用于抵抗拉应力。这些钢筋通过表面变形与混凝土咬合,形成复合结构体系,能够承受交通荷载、热循环和环境腐蚀,远超素混凝土的承载能力。桥梁级钢筋的直径通常从 #4(12.7 mm)到 #18(57.3 mm),并且比标准建筑钢筋具有更严格的尺寸公差,同时必须进行夏比冲击试验和弯曲-再弯验证,以确认其在地震或疲劳荷载条件下的延性。

桥梁建设用钢筋制造商

桥梁建设用钢筋技术规格

我们的桥梁钢筋按照以下已验证参数制造:

参数 Grade 60 (ASTM A615) Grade 80 (ASTM A706) BS 4449 Grade B500B
屈服强度 ≥ 420 MPa (60 ksi) ≥ 550 MPa (80 ksi) ≥ 500 MPa
抗拉强度 ≥ 620 MPa (90 ksi) ≥ 690 MPa (100 ksi) ≥ 540 MPa
伸长率(最小值) 9% in 200 mm gauge 14% in 200 mm gauge ≥ 5% (Agt ≥ 2.5%)
碳当量 (CE) ≤ 0.55 ≤ 0.55 (controlled) ≤ 0.50
可供直径 10 – 57 mm (#3 – #18) 10 – 57 mm (#3 – #18) 8 – 50 mm
表面处理 Hot-rolled deformed Hot-rolled deformed Hot-rolled ribbed
可选涂层 Fusion-bonded epoxy (ASTM A775) / Galvanized (ASTM A767) / Stainless clad
钢厂测试证书 EN 10204 Type 3.1 / CMTR available per heat

所有钢筋均经过超声波检测、按 ASTM E29 进行尺寸检验,以及围绕 4d 芯棒直径进行 180° 弯曲-反弯试验以确认延展性。环氧涂层变体按 ASTM A934 达到每 300 mm² 少于 6 个漏涂点的漏涂率,在桥梁暴露条件典型的富氯化物海洋和除冰盐环境中提供出色的防腐性能。

获取桥梁建设用钢筋的竞争性报价

与我们的钢厂直供团队合作,以具有成本效益的价格采购桥梁钢筋,提供完整文件、灵活定尺切割以及发往全球港口的物流支持。我们的工程师随时准备审阅您的项目图纸,并推荐最优的钢种和涂层规格,以最大限度降低全生命周期成本。

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桥梁建设用钢筋批发

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
Ahmed K.
UAE
2025-02-01
Initial bundle labeling issue — resolved promptly, quality of steel itself was fine
We ordered 220 tons of Grade 80 ASTM A706 bars in #6 and #8 for a bridge abutment project in Abu Dhabi. On arrival at Jebel Ali port, approximately 15% of bundles had heat number tags that did not match the CMTR reference numbers, which flagged an issue during our third-party inspection. We contacted the supplier immediately and they provided corrected documentation and a written explanation within 48 hours — the discrepancy turned out to be a labeling error at the bundling stage, not a material substitution. Mechanical test results were fully compliant: yield ≥550 MPa, CE ≤0.54. Issue resolved, but tighter QC on bundle tagging would prevent this.
用户
Fiona C.
United Kingdom
2025-02-23
Competitive price on B500B, documentation turnaround could be faster
We sourced 175 tons of BS 4449 Grade B500B in 16 mm and 20 mm diameters for a pedestrian bridge project in Scotland. The material itself was excellent — ribbed surface finish was uniform, and tensile strength came in at 558 MPa. Price per ton was noticeably lower than our usual UK stockholder for this volume. The one area for improvement: the EN 10204 Type 3.1 certs took five business days to arrive after shipment, which slowed our inspection sign-off slightly. We were told this has been addressed for future orders, and the overall experience was positive enough that we have already requested a quote for our next project.
用户
Daniel H.
United States
2025-03-17
Strong value on bulk A615 Grade 60 — minor scheduling communication gap
Ordered 300 tons of ASTM A615 Grade 60 bars in #7 and #10 for a state highway bridge project in Texas. Product quality was solid — yield strength averaged 445 MPa, elongation at 10.5%, and dimensional tolerances were within ASTM E29 limits throughout. Our only issue was a two-day delay in receiving the updated shipping schedule, which caused a minor coordination hiccup with our concrete pour team. When we flagged it, the logistics team responded quickly and kept us informed for the remainder of the shipment. Good value overall and we would order again.
用户
Rachel M.
Australia
2025-04-08
Fifth repeat order — mill-direct pricing and quality remain unmatched
This is our fifth purchase from this supplier, and the consistency is the main reason we keep returning. Latest order was 390 tons of Grade 60 A615 deformed bars, #4 to #9, plus 45 tons of galvanized rebar per ASTM A767 for a bridge deck in a coastal Queensland environment. Pricing on the galvanized product was notably competitive versus Australian distributors. Lead time to Brisbane port was 38 days as quoted. CMTRs matched physical bar markings exactly. For any Australian contractor sourcing bridge rebar at volume, mill-direct is simply the smarter procurement route.
用户
Thomas B.
Germany
2025-04-30
Traceability documentation flawless for DIN EN 1992 compliance
Our structural engineers required full heat-by-heat traceability for a cable-stayed bridge project under DIN EN 1992 guidelines. This mill delivered Grade 60 ASTM A615 bars in #5 through #10 diameters — 155 tons total — with EN 10204 Type 3.1 certificates cross-referenced to each bundle tag. Tensile strength results averaged 648 MPa against a ≥620 MPa requirement. The documentation audit by our third-party inspector passed without a single non-conformance. Logistics coordination to Hamburg was professional and the shipment arrived two days ahead of the agreed window.
用户
James W.
United Kingdom
2025-05-22
BS 4449 B500B supply consistent across three consecutive orders
We have now placed three separate orders totaling around 620 tons of BS 4449:2005 Grade B500B ribbed bars ranging from 12 mm to 32 mm diameter for pedestrian overpass and road bridge decks across the Midlands. Yield strength results on all mill certs came in at 510–530 MPa, comfortably above the 500 MPa minimum. Elongation (Agt) averaged 3.1%, exceeding the 2.5% floor. Cut lengths were accurate to ±25 mm. Consistent quality across multiple production runs is what keeps us coming back — no surprises on-site.
用户
Priya N.
India
2025-06-13
Technical team resolved our coating query immediately — excellent pre-sales support
We were specifying epoxy-coated rebar per ASTM A775 for a coastal rail viaduct in Gujarat and had concerns about holiday rate compliance in chloride-heavy environments. The mill's technical team responded within hours, confirmed their fusion-bonded epoxy variants achieve fewer than 6 holidays per 300 mm² per ASTM A934, and shared third-party test reports upfront. Ordered 210 tons of #6 and #9 bars. Documentation package was complete and CMTRs were provided per heat. That level of pre-sales technical depth is rare — it saved us significant engineering review time.
用户
Marcus T.
United States
2025-06-28
Grade 80 A706 rebar met every seismic spec — zero deviations
We ordered 480 metric tons of Grade 80 ASTM A706 deformed bars in #8 and #11 sizes for a highway overpass project in California. Every heat came with EN 10204 Type 3.1 MTCs, and the carbon equivalency held consistently at ≤0.52 across all batches — well within the ≤0.55 ceiling. Bend-rebend results at 180° confirmed full ductility compliance. Mill-direct sourcing cut our per-ton cost by roughly 9% versus our previous distributor. Delivery to Long Beach port was on schedule at 34 days. Highly recommended for seismic-zone bridge work.

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
$455 1-49 吨 基准价
$435 50-99 吨 4.4% 优惠
$425 ≥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$ 455.00
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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