面向进口商、经销商与项目买家的中国钢材采购服务

桥梁建设用钢板 - 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
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$510 1-49 吨 基准价
$488 50-99 吨 4.3% 优惠
$476 ≥100 吨 6.7% 优惠
价格有效期:随行就市

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商品小计 US$ 510.00
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桥梁建设用钢板技术规范

性能参数说明
产品名称桥梁建设用钢板为公路、铁路和斜拉桥应用而设计的高强度结构钢板
材料牌号ASTM A709 Gr.36/50/70W; EN 10025 S355J2+N; GB/T 714 Q345qD/Q420qE; JIS G3106 SM490Y可提供国际等效牌号;耐候钢牌号(Gr.50W、S355J0WP)适用于耐腐蚀应用
标准符合性ASTM A709/A709M; EN 10025-2/-5; GB/T 714-2015; JIS G3106; AASHTO M270完全符合桥梁设计规范,包括 AASHTO LRFD 和 Eurocode 3
化学成分 (C)≤ 0.23%(最大值)低碳含量确保桥梁结构具有优异的焊接性和韧性
化学成分 (Mn、Si、P、S)Mn: 0.80–1.65%; Si: 0.15–0.50%; P: ≤ 0.025%; S: ≤ 0.015%受控的 Mn/Si 比可提高强度;超低 P/S 可最大限度降低脆性和层状撕裂风险
化学成分 (Cr、Ni、Mo、V)Cr: ≤ 0.50%; Ni: ≤ 0.50%; Mo: ≤ 0.10%; V: ≤ 0.10%微合金元素可提高淬透性、抗疲劳性和耐大气腐蚀性
抗拉强度485–760 MPa (ASTM A709 Gr.50); 470–630 MPa (EN S355J2)高抗拉强度满足 AASHTO 和 Eurocode 标准规定的动载荷和疲劳循环要求
屈服强度≥ 345 MPa (Gr.50 / S355); ≥ 250 MPa (Gr.36 / S235)在指定厚度下保证最低屈服强度;可提供 Z 向(Z35)牌号用于厚度方向载荷
伸长率≥ 18–21%(标距 200 mm)足够的延展性确保在地震和冲击载荷条件下吸收能量
夏比冲击韧性≥ 34 J at −20°C (Gr.50W); ≥ 27 J at −40°C (Q420qE)低温冲击韧性对寒冷气候下的桥梁至关重要;按 ASTM A370 / EN ISO 148-1 测试
厚度范围6 mm – 150 mm可提供更宽钢板用于主梁和箱梁;超厚板(>100 mm)用于塔座连接
宽度和长度Width: 1,500–4,200 mm; Length: 6,000–18,000 mm可定制切割至净形状;弧度和平面度公差按 EN 10029 Class C 或 ASTM A6
表面处理As-rolled (AR); Normalized (N); TMCP; Quenched & Tempered (QT)高强度等级 ≥ Q420q 优先采用 TMCP 工艺;可选喷丸 Sa 2.5 预处理
认证CE Marking; Lloyd's Register; DNV GL; BV; CCS; Third-party mill test reports (EN 10204 3.1/3.2)按订单提供完整可追溯性,包括炉号、钢包分析和力学性能测试证书
应用公路桥梁、铁路桥梁、斜拉桥、悬索桥、钢箱梁、正交异性桥面板适用于主要承重构件、加劲肋、横隔板和连接板
包装裸捆带钢捆扎;防锈油涂层;海运木垫料可提供出口海运包装;应用护边以防止运输损坏
MOQ每个等级/厚度 25 公吨一个订单内可接受混合等级;标准等级(S355J2、Q345qD)有现货,交货期 7–15 天

桥梁建设用钢板 - 钢厂直供

桥梁建设用钢板是现代基础设施的结构骨架,承受动态交通荷载、环境应力以及数十年的连续服役。直接从认证钢厂采购合适的牌号不仅仅是一项采购决策——更是一项工程必需。我们的钢厂直供供应链消除了中间商加价,确保土木工程师、EPC 承包商和政府采购机构获得符合 ASTM A709、EN 10025-5 和 GB/T 714 标准的认证结构钢板。无论您的项目需要用于外露上部结构的耐候钢、用于梁体制造的高强度低合金(HSLA)钢板,还是用于桥墩基础的厚截面底板,我们的生产能力覆盖 6 mm 至 200 mm 的厚度范围和最大 4,200 mm 的宽度。每张钢板均随附完整的钢厂测试报告、第三方检验选项和可追溯性文件——让您的项目团队从采购到安装全程充满信心。

桥梁建设用钢板供应商

什么是桥梁建设用钢板?

桥梁建设用钢板是平轧、厚规格的结构钢产品,设计用于承受桥梁上部结构、下部结构和桥面系统中静态与动态荷载的复合作用。它们按照严格控制的化学成分和力学性能生产,通常具有最低 345 MPa(Grade 50)的屈服强度,高性能应用可达 690 MPa,确保在超过 100 年的服役寿命内保持结构完整性。

桥梁建设用钢板——技术规格

我们的桥梁级钢板按照严格的质量协议生产。下表汇总了我们钢厂可提供的关键力学和尺寸参数,涵盖国际桥梁项目中最常指定的牌号。

参数 标准级 (ASTM A709 Gr.50) 耐候级 (A709 Gr.50W) 高性能级 (HPS 70W)
最小屈服强度 345 MPa (50 ksi) 345 MPa (50 ksi) 485 MPa (70 ksi)
抗拉强度范围 450 – 620 MPa 485 – 655 MPa 585 – 760 MPa
最小延伸率 (2 in.) 21% 21% 19%
厚度范围 6 mm – 150 mm 6 mm – 100 mm 6 mm – 65 mm
最大宽度 4,200 mm 4,200 mm 3,500 mm
夏比冲击 (–12°C) 最小 34 J 最小 34 J 最小 48 J
适用标准 ASTM A709 / EN 10025-2 ASTM A709 / EN 10025-5 ASTM A709 / AASHTO M270
表面处理 轧制态 / 喷丸处理 轧制态 / 喷丸处理 轧制态 / 底漆涂层

所有钢板均可根据要求按照 ASTM A578 Level B 进行超声波检测,并且持续监测化学成分,以将碳当量(CE)值保持在 0.45 以下,从而实现最佳焊接性——这是桥梁梁体和箱形截面现场及车间制造的关键参数。

获取桥梁建设用钢板的竞争力报价

与了解桥梁工程精度要求的钢厂直供供应商合作。分享您的项目规格——牌号、厚度、数量和交货计划——我们的技术销售团队将在 24 小时内回复一份量身定制且具有成本效益的方案。我们支持从可行性研究到最终交付的项目,包括定尺切割加工、第三方检验协调和出口单证。

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桥梁建设用钢板制造商

桥梁建设用钢板中国出口商

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
Sophie A.
United Kingdom
2025-02-02
Initial thickness tolerance issue — resolved promptly and correctly
We ordered 75 tons of EN 10025-2 S355J2 plates, 100 mm thick, for a bridge abutment foundation project. On arrival, three plates in the batch measured 97.8 mm — outside the agreed EN 10029 Class B tolerance. We raised a formal NCR with photos and mill references. The supplier's quality team responded within 24 hours, accepted the finding without dispute, and arranged replacement plates that arrived within 12 days. Final inspection passed without issue. The resolution process was handled professionally. We would consider ordering again, but will request pre-shipment dimensional verification going forward.
用户
David C.
United States
2025-02-24
Solid product at a fair mill-direct price — surface finish could be more consistent
Ordered 280 tons of A709 Gr.50W weathering plates, 8 mm to 20 mm, for a rural highway bridge rehabilitation. Mechanical properties were fully compliant and Charpy values at –12°C comfortably exceeded the 34 J minimum. Our one observation: as-rolled surface finish varied slightly between coils in the same order, which required additional prep time before coating. Not a structural issue, just an aesthetic inconsistency. Price per ton was noticeably lower than domestic distributor quotes for the same certified grade. Technical consultation before order was genuinely useful.
用户
Omar F.
UAE
2025-03-18
Good value on HSLA plates — minor documentation delay at outset
Sourced 160 tons of high-strength low-alloy plates, 345 MPa yield, 30 mm to 60 mm thickness, for pier base plate fabrication on a Dubai waterfront bridge. Plate quality and dimensional tolerances were solid, and ASTM A709 certification was in order. Initial export documentation took 3 extra days beyond the quoted timeline, which created a minor scheduling adjustment on our end. The team acknowledged it and expedited the remaining paperwork without argument. Pricing was genuinely competitive versus regional distributors. Would order again with a slightly padded lead time buffer.
用户
Rachel H.
Australia
2025-04-09
Third repeat order — quality and pricing remain consistently competitive
This is our third procurement from this supplier over 14 months. Latest order was 210 tons of A709 Gr.50 plates, 12 mm to 40 mm, for deck stiffener fabrication on a Queensland infrastructure project. Pricing on repeat orders has remained fair without the creep we've seen from other mills. MTRs are always complete and formatted for AS/NZS compliance cross-referencing. Delivery to Brisbane port averaged 31 days. When you find a mill-direct supplier that performs consistently, you stay with them — that's exactly the situation here.
用户
Lukas B.
Germany
2025-05-01
Consistent mechanical properties across a large multi-heat order
We procured 750 tons of ASTM A709 Grade 50 plates across multiple heats — thicknesses ranging from 20 mm to 100 mm — for a motorway overpass project subject to DIN EN 1337 bearing requirements. Heat-to-heat consistency was notably tight: yield strength variation stayed within ±15 MPa across all MTRs. The supplier's CE values held below 0.43 throughout, which our welding engineers confirmed reduced hydrogen cracking risk significantly. Cut-to-size processing was accurate to ±1 mm. This level of metallurgical discipline is what we expect from a serious mill partner.
用户
James W.
United Kingdom
2025-05-23
Weathering steel supply handled professionally from inquiry to port
Specified EN 10025-5 S355J0WP weathering plates for an exposed pedestrian bridge superstructure — 6 mm to 25 mm thickness range, roughly 95 tons total. The sales team understood the atmospheric corrosion resistance requirements immediately and suggested shot-blasted surface finish to assist with our coating inspection. Lead time was 22 days to UK port, with full export documentation and a clean bill of lading. Customer support was responsive even across the time zone difference. Second order already placed.
用户
Priya S.
India
2025-06-14
GB/T 714 compliance confirmed — passed third-party inspection first time
Our state highway authority required full GB/T 714 compliance for a river crossing project. We sourced 320 tons of 80 mm thick structural plates and arranged SGS third-party inspection at the mill. All chemical composition and Charpy impact results at –12°C exceeded the 34 J minimum. The supplier coordinated inspection scheduling without any delays and provided complete traceability documentation. Quote was received in under 18 hours, and the technical team answered our metallurgy questions clearly. Highly recommended for government-tendered bridge work.
用户
Marcus T.
United States
2025-06-29
HPS 70W plates met every spec — zero NCRs on our girder fabrication
We ordered 480 metric tons of HPS 70W plates, 50 mm thick × 3,200 mm wide, for a cable-stayed bridge girder package in Texas. Mill test reports confirmed yield strength averaging 512 MPa, well above the 485 MPa ASTM A709 minimum. Carbon equivalent came in at 0.41 — excellent weldability with no preheat issues in our shop. Ultrasonic testing per ASTM A578 Level B showed zero lamination defects across the full batch. Delivery hit the agreed 28-day window. Will be specifying this supplier on our next DOT project.

了解供应商

中和建材有限公司

入驻 Sinoali.com 3 年

所在地:China

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.

FAQ

Q: What standards do your steel rebar comply with?
A:Our rebar conforms to international standards including ASTM A615, BS4449, EN10080, GB1499 and other widely recognized specifications.
Q: What grades of rebar do you supply?
Q: What diameters are available for your rebar?
Q: Can you provide mill test certificates (MTC) for rebar?
Q: Can you supply deformed steel bars for concrete reinforcement?
Q: What packaging is used for steel rebar?

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可定制 超低价
$510 1-49 吨 基准价
$488 50-99 吨 4.3% 优惠
$476 ≥100 吨 6.7% 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
  • 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$ 510.00
分享:
发起订单请求
付款与交货
交期:
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