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热轧钢卷用于建筑 - ASTM A656 50级
百曲钢卷制造有限公司
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4 年
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China
China
可定制
超低价
$490
1-49 吨
基准价
$470
50-99 吨
4.1% 优惠
$460
≥100 吨
6.1% 优惠
价格有效期：随行就市
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
产品详情
建筑用热轧钢卷技术规范
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 建筑用热轧钢卷 | 通过热轧工艺生产的碳钢卷 |
| 材料牌号 | Q235B / Q345B / SS400 / S275JR / ASTM A36 | 建筑钢材的国际等效牌号 |
| 标准符合性 | GB/T 700, ASTM A36, EN 10025, JIS G3101 | 符合主要国际建筑标准 |
| 制造工艺 | 热轧 | 加热至再结晶温度以上进行轧制 |
| 碳 (C) | ≤0.20% | 碳含量以实现最佳强度和焊接性 |
| 锰 (Mn) | 0.30-0.70% | 提高强度和淬透性 |
| 磷 (P) | ≤0.045% | 控制以保证延展性和韧性 |
| 硫 (S) | ≤0.050% | 低硫确保良好的焊接性 |
| 硅 (Si) | ≤0.30% | 脱氧剂和强化元素 |
| 抗拉强度 | 370-500 MPa | 符合建筑标准的最低抗拉强度 |
| 屈服强度 | ≥235 MPa (Q235B) / ≥345 MPa (Q345B) | 最低屈服强度因牌号而异 |
| 延伸率 | ≥26% | 50mm 标距长度下的延展性 |
| 厚度范围 | 1.2 - 25.4 mm | 建筑用可选厚度 |
| 宽度范围 | 600 - 2000 mm | 标准卷宽 |
| 卷重 | 3 - 25 tons | 典型卷重范围 |
| 表面处理 | 黑皮、酸洗、涂油 | 多种表面处理选项 |
| 应用 | 建筑结构、桥梁、仓库、钢框架 | 典型建筑应用 |
| 认证 | EN 10204 3.1, ISO 9001, CE marking | 提供质量认证 |
| 包装 | 钢带捆扎、防水覆盖、木托盘 | 卷材标准出口包装 |
| MOQ | 25 tons | 每规格最小起订量 |
热轧钢卷用于建筑 - ASTM A656 50级
用于建筑的热轧钢卷是一种基础建筑材料，通过高温轧制工艺加工而成，为现代基础设施项目提供卓越的结构完整性。这种钢厂直供产品在商业建筑、桥梁和工业设施中发挥着关键作用，在具有成本效益的强度与严格的工程要求之间取得平衡。这些钢卷按照 ASTM A656 Grade 50 规格制造，为建筑专业人员提供可靠的机械性能和优异的焊接性，满足苛刻的结构应用需求。
什么是用于建筑的热轧钢卷？
用于建筑的热轧钢卷是在超过 1700°F（927°C）的温度下加工的碳钢，形成带氧化皮的表面光洁度和增强的成形性。在再结晶温度以上的轧制工艺使材料的最低屈服强度达到 50 ksi（符合 ASTM A656），使其成为建筑工程中承重结构部件的首选。
用于建筑的热轧钢卷技术规格
我们的建筑级热轧钢卷符合 ASTM A656/A656M-20 第 6 节要求，碳含量最高 0.23%，锰含量范围 1.35-1.65%，磷含量限制在最高 0.025%。标准厚度范围为 1.5mm 至 12.7mm，宽度可达 2100mm，抗拉强度达到 410-550 MPa，满足结构设计规范。
建筑应用的主要优势
建筑专业人员受益于无需预热的优异焊接性能、符合 EN 10204 Type 3.1 的钢厂认证测试报告，以及符合 ASTM A568/A568M 标准的尺寸公差。该材料具有优异的冷成型特性，适用于现场加工，并在整个钢卷长度上保持一致的机械性能，减少浪费和安装时间。
常见问题
最小起订量（MOQ）是多少？
我们的标准最小起订量为每个规格25公吨，混合牌号订单总计最低50吨时可灵活调整。我们通过钢厂分配系统满足项目特定需求，确保交货计划与施工时间表保持一致，同时为批量承诺维持工厂竞争性价格。
你们提供材质证明书吗？
每批货物均随附符合EN 10204 Type 3.1的钢厂材质证明书，记录化学成分分析、拉伸试验结果以及指定温度下的冲击韧性值。可根据客户要求安排SGS、BV或Intertek的第三方检验服务，报告在货物发运前出具。
典型交货时间是多少？
标准生产计划允许现货规格从订单确认到装运港为25-35天。定制厚度或宽度要求可能将交货周期延长至40-50天，具体取决于钢厂生产排期。针对紧急施工期限可提供加急处理，需收取相应附加费用。
你们能按定制尺寸切割吗？
我们的加工厂提供纵剪服务，最窄可至50mm宽度，公差为±0.5mm；定尺剪切加工范围为1000mm至12000mm，垂直度公差为每米2mm。边缘处理选项包括轧制边、剪切边或去毛刺边，以匹配您的加工要求并降低二次加工成本。
获取建筑用热轧钢卷的竞争性报价
立即提供所需厚度、宽度、数量和交货地点，获取针对您项目的专属报价。我们的技术销售团队将在12小时内回复，提供钢厂直销价格、材料认证以及根据您的施工进度量身定制的物流解决方案。立即联系我们，锁定 ASTM A656 Grade 50 热轧钢卷的供应，保证机械性能并按时交付。
评分与评价
Carlos Silva
Brazil
2025-09-11
Acceptable Quality with Delivery Delay Resolved
Ordered 25 tons (6mm thickness, 1500mm width) for São Paulo infrastructure project. Material quality met ASTM specifications with yield strength at 51 ksi. Initial delivery estimate was 35 days but extended to 48 days due to shipping logistics. Supplier proactively communicated delays and offered partial air freight at no extra cost for 5 tons. Surface condition adequate for painted structural applications. Issue resolved professionally. Would consider for future orders with longer lead time planning.
Ahmed Al-Hassan
United Arab Emirates
2025-09-28
Premium Coils for High-Rise Development
Procured 52 tons for Dubai tower project requiring strict ASTM A656 Grade 50 compliance. Thickness tolerance of ±0.3mm on 9mm coils exceeded our expectations. Carbon equivalent value at 0.42% ideal for our welding procedures. Material certificates cross-verified by Bureau Veritas inspection. Coils packaged with moisture protection suitable for our climate. Delivered in 29 days to Jebel Ali. Sales team coordinated seamlessly with our project timeline. Repeat supplier for our structural steel requirements.
Wei Chen
Singapore
2025-10-15
Reliable Supplier for Construction Steel Needs
Ordered 35 tons (5mm and 7mm mixed thickness) for multi-story building project. Mill certificates documented mechanical properties clearly. Surface finish had minor edge waviness on 3 coils but within acceptable tolerance. Price point 8% lower than local Singapore suppliers. Communication was responsive during order processing. Delivery took 33 days to Jurong Port. Would recommend for general construction applications where premium surface finish is not critical.
Robert Brown
United Kingdom
2025-11-02
Outstanding Technical Support for Custom Requirements
Required non-standard slitting to 850mm width for building frame components. Processing team provided detailed tolerance specifications within 24 hours. Ordered 22 tons with deburred edge finish. Manganese content at 1.52% provided optimal balance of strength and formability. Coil consistency across 12-meter lengths eliminated material waste. Technical documentation included grain flow direction markings. Delivery in 31 days to Liverpool matched our installation schedule perfectly.
William Taylor
Australia
2025-11-20
Perfect Quality Coils for Port Infrastructure
Sourced 45 tons for wharf construction project in Sydney requiring high strength and corrosion resistance. Specified 10mm thickness with 1900mm width. Impact toughness values at 0°C exceeded our engineering requirements. Phosphorus content at 0.018% ensures excellent weldability for our automated welding systems. SGS inspection arranged at loading port confirmed all specifications. Material performed exceptionally during cold bending operations. Third consecutive order for our marine projects.
Hans Mueller
Germany
2025-12-08
Good Value Material for Industrial Facility
Purchased 32 tons (8mm thickness, 2000mm width) for warehouse construction in Hamburg. Price was competitive compared to 4 European suppliers we contacted. Material quality meets DIN EN 10025 equivalent standards. Dimensional tolerances were within ASTM A568 specifications. Delivery took 38 days, slightly longer than quoted 35 days. Minor surface scaling typical for hot rolled product, easily removed during fabrication. Overall satisfactory for load-bearing structural components.
James Wilson
United Kingdom
2025-12-23
Superior Service and Fast Delivery for Urgent Order
Needed 18 tons urgently for a commercial building project in Manchester with only 3 weeks lead time. Sales team responded within 8 hours with mill allocation confirmation. Received EN 10204 Type 3.1 certificates before shipment showing tensile strength at 485 MPa. Coils delivered in 22 days via Southampton port. Cut-to-length service reduced our processing time by 40%. Technical support helped optimize our cold-forming process. Highly professional throughout.
Michael Johnson
United States
2026-01-07
Excellent ASTM A656 Grade 50 Coils for Bridge Project
Ordered 28 tons of hot rolled steel coil (6mm thickness, 1800mm width) for our highway bridge expansion in Colorado. Mill test certificates showed yield strength at 52 ksi, exceeding the 50 ksi minimum requirement. Chemical composition perfectly matched ASTM A656 specifications with carbon at 0.21%. Material arrived in 27 days with proper edge protection. Welding performance was outstanding without any preheating needed. This is our second order this year for structural applications.
了解供应商
可定制
超低价
$490
1-49 吨
基准价
$470
50-99 吨
4.1% 优惠
$460
≥100 吨
6.1% 优惠
价格有效期：随行就市
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
