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工字钢 - ASTM认证厂家直供
宏基型材有限公司
已认证
定制生产厂家
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5 年
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China
China
可定制
超低价
$530
1-49 吨
基准价
$507
50-99 吨
4.3% 优惠
$495
≥100 吨
6.6% 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
工字钢技术规格
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | I Beam (I-Shaped Steel Beam) | 热轧结构工字钢，带锥形翼缘，适用于建筑和工程应用 |
| 材质等级 | Q235B / Q345B / SS400 / A36 / S235JR / S355JR | 等效牌号：ASTM A36、EN S235JR、JIS SS400、GB Q235B |
| 标准合规 | GB/T 706, ASTM A6/A36, EN 10034, JIS G3192 | 按照国际结构钢标准制造 |
| 碳含量 (C) | ≤ 0.20% | Q235B/A36 牌号的典型值；确保良好的焊接性 |
| 锰含量 (Mn) | 0.30% - 1.60% | 因牌号而异；增强强度和硬度 |
| 硅含量 (Si) | ≤ 0.55% | 在炼钢过程中起脱氧剂作用 |
| 磷 (P) / 硫 (S) | P ≤ 0.045% / S ≤ 0.045% | 受控以确保韧性并降低脆性 |
| 抗拉强度 | 370 - 530 MPa | Q235B：370-500 MPa；Q345B：470-630 MPa，依据 GB/T 700 & GB/T 1591 |
| 屈服强度 | 235 - 345 MPa | Q235B：≥ 235 MPa；Q345B：≥ 345 MPa；A36：≥ 250 MPa |
| 伸长率 | ≥ 20% | 按各自材料标准在标准标距长度上测量 |
| 尺寸范围（高度） | 100 mm - 630 mm | 常见尺寸：I10、I12、I14、I16、I18、I20、I22、I25、I28、I32、I36、I40、I45、I56、I63 |
| 翼缘宽度 | 68 mm - 176 mm | 锥形翼缘设计；宽度随梁高成比例增加 |
| 腹板厚度 | 4.5 mm - 17.0 mm | 因截面尺寸而异；设计用于最佳抗剪性能 |
| 长度 | 6 m - 12 m | 标准长度；可根据要求定制切割 |
| 表面处理 | 黑材 / 热轧 / 涂漆 / 镀锌 | 可提供防锈油涂层或底漆涂装以进行防腐保护 |
| 应用 | 建筑结构、桥梁、平台、机械框架、工业厂房 | 广泛应用于建筑、基础设施及一般结构工程 |
| 认证 | ISO 9001、SGS、BV、CE、工厂测试证书（EN 10204 3.1） | 可根据要求提供第三方检验和检测报告 |
| 包装 | 钢带捆扎，防水纸或编织布包裹 | 适合集装箱或散货船运输的 seaworthy 包装 |
| 最小起订量 | 25 公吨 | 较小数量可协商；每单可接受混合尺寸 |
工字钢 - ASTM认证工厂直供制造商
I beam steel是现代建筑和工业工程中最基础的结构型材之一。其特点是具有独特的“I”形或“H”形横截面，这种多功能结构构件具有出色的强度重量比，使其在承重应用中不可或缺。作为拥有ASTM认证的钢厂直供制造商，我们生产的I beam符合严格的国际标准，包括ASTM A36、ASTM A572和ASTM A992。无论您是采购商业建筑框架、桥梁建设还是重型工业平台，我们的工厂都能提供优质I beam steel，具有完整的可追溯性、有竞争力的钢厂直销价格，以及可靠的全球运输服务，覆盖50多个国家。
什么是I Beam？
I beam，也称为universal beam或W-beam，是一种热轧结构钢型材，具有两个水平翼缘，由垂直腹板连接。这种几何形状将材料集中在翼缘处——即弯曲应力最高的位置——从而以最少的钢材消耗实现优异的抗弯刚度。I beam在建筑柱、楼板搁栅、起重机轨道梁、夹层支撑和车辆桥梁跨度中发挥关键作用。该型材能有效抵抗弯曲力和剪切力，使其成为跨度通常从3米到30米以上的应用中优于实心矩形截面的首选。
I Beam Steel技术规格
我们的I beam生产涵盖全面的尺寸和材料等级范围，以满足多样化的结构需求。以下是关键技术参数：
- 材质等级： ASTM A36（屈服强度 ≥ 250 MPa）、ASTM A572 Grade 50（屈服强度 ≥ 345 MPa）、ASTM A992（屈服强度 345–450 MPa）、EN 10025 S235JR / S355JR
- 翼缘宽度： 50 mm 至 400 mm
- 梁高： 100 mm 至 900 mm
- 腹板厚度： 4.5 mm 至 21 mm
- 长度： 6 m、9 m、12 m 为标准长度；可提供最长 18 m 的定制长度
- 抗拉强度： 400–550 MPa（取决于材质等级，符合 ASTM A6/A6M 公差）
- 密度： 20°C 时为 7.85 g/cm³
- 表面处理： 黑材、热浸镀锌（镀层 ≥ 65 μm，符合 ASTM A123）或底漆涂层
所有 I beam 钢产品均按照 ASTM A6 公差进行超声波检测和尺寸检验，每炉次均提供材质证明书（EN 10204 3.1）。
结构工字钢的应用
工字钢的结构效率在多个行业中得到广泛应用。在商业建筑中，宽翼缘工字钢构成高层建筑、仓库和购物中心的主要骨架。基础设施项目依赖工字钢建造公路立交桥、铁路桥梁和人行通道，这些场合对长跨度能力和抗疲劳性能要求极高。在工业领域，工字钢用于支撑额定载荷达 50 吨的桥式起重机系统、输送机框架以及发电厂、石化设施和采矿作业中的设备平台。造船厂也使用工字钢型材进行船体加固和甲板结构框架。
获取工字钢的竞争力报价
作为经认证的钢厂直营制造商，我们省去中间商成本，将节省直接让利给您。我们的综合生产线——从炼钢到热轧及精整——确保稳定的质量、更短的交货周期，以及针对标准及定制工字钢订单的高性价比定价。
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评分与评价
Rajesh Mehta
India
2025-02-12
Initial Shipping Delay Resolved Professionally
Ordered 150 tons of ASTM A36 I beams in 200mm and 350mm depths for a multi-storey residential framework in Pune. The steel quality was fine — yield strength confirmed at 260 MPa, surface finish was clean black. However, the first shipment was delayed by 11 days due to port congestion issues. Their logistics team communicated proactively and arranged partial air-freight documentation to keep our customs process on track. Second batch arrived on schedule. The problem was handled well, so I'd order again with a slightly longer buffer on timelines.
Michael Torres
United States
2025-03-06
Competitive Pricing for Bulk Crane Runway Beams
We needed A572 Grade 50 I beams — 900mm depth, 18mm web — for a 40-ton overhead crane runway in our manufacturing plant. Quoted price was significantly lower than domestic mills for the same spec. Lead time was 40 days to Houston port, which is acceptable for project planning. Beams passed our independent lab testing at 498 MPa tensile. Only reason for 4 stars is we'd have preferred 15m single lengths but had to settle for 12m due to shipping constraints. Still a solid purchase.
David Hargreaves
United Kingdom
2025-03-28
Good Value — Minor Labeling Issue But Solid Product
Ordered 60 tons of S235JR I beams, 300mm depth, 9m lengths for a shopping centre refurbishment. The steel quality itself was excellent — clean flanges, straight profiles, correct web thickness at 8.5mm. One bundle had heat numbers that were hard to read on the stamp, which caused a small delay in our material traceability log. Their team sent scanned mill certs quickly to resolve it. Price was roughly 18% under what we'd pay from a UK stockholder, so good value overall.
Ahmed Al-Rashidi
UAE
2025-04-19
Reliable Supplier for Our Abu Dhabi Projects
We purchased ASTM A992 I beams with 350mm flange width for a petrochemical facility support structure. Required hot-dip galvanized finish due to coastal environment — coating thickness averaged 78 μm, well above spec. Their 24/7 support was genuinely available when we called during UAE business hours. Documentation package including mill certs and UT reports passed our client's third-party inspection without a single query. Recommended to two other contractors already.
Sarah Mitchell
Australia
2025-05-11
Smooth Process from Quote to Delivery in Melbourne
Sourced 200 tons of A36 I beams — a mix of 250mm and 400mm depths in 12m lengths — for a warehouse expansion in Melbourne. Got the quote within 18 hours of inquiry, which was faster than local distributors. Beams arrived primer-coated and bundled properly, no transport damage. The free sample they sent beforehand let our QC team verify the material before committing to the full order. Very professional operation.
Thomas Richter
Germany
2025-06-03
Consistent Quality Across Multiple Shipments
We've now completed our third order — this time 85 tons of ASTM A572 Grade 50 wide-flange beams for an industrial mezzanine platform supporting 30-ton crane loads. Cross-section dimensions have been consistent batch to batch, which matters enormously when you're welding connection plates in the shop. Tensile strength tested at 485 MPa on our end, matching the mill cert exactly. Pricing remains 12-15% below European mills for equivalent quality.
Richard Pemberton
United Kingdom
2025-06-25
Excellent Technical Support for Bridge Project
Needed S355JR I beams with 600mm depth and custom 15m lengths for a pedestrian bridge in Manchester. Their technical team helped us select the right web thickness — settled on 14.5mm after reviewing our shear force calculations. Hot-dip galvanized finish measured 72 μm average coating which exceeded the ASTM A123 minimum. Ultrasonic test reports were thorough. Genuinely impressed by the engineering knowledge of their sales staff.
James Caldwell
United States
2025-07-10
Mill Certs and Dimensional Accuracy Were Spot-On
We ordered 120 tons of W14x30 I beams in ASTM A992 for a 6-story commercial building frame in Houston. Every piece came with EN 10204 3.1 mill test certificates and the flange width tolerances were well within ASTM A6 limits. Our structural engineer verified the yield strength results — all between 355 and 420 MPa. Delivery to port took 32 days which was actually ahead of the quoted 38-day lead time. Will be specifying these beams on our next warehouse project.
了解供应商
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FAQ
Q:
Q: What are the common specifications of your I-beams?
A:A: Our standard I-beams cover a wide range of section heights, from 100mm to 630mm. The common models include GB 10# to 63#, EN IPE 80 to IPE 600, ASTM W4 to W24, and JIS H 100 to H 600. The flange width and web thickness vary according to different models, and we can provide detailed dimension tables upon request.
Q:
Q: What materials are your I-beams made of, and what are their mechanical properties?
Q:
Q: Do you supply both hot-rolled and cold-rolled I-beams?
Q:
Q: Can you produce I-beams with non-standard dimensions?
Q:
Q: What is the difference between your standard I-beams and high-strength I-beams?
Q:
Q: How do you ensure the dimensional accuracy of your I-beams?
可定制
超低价
$530
1-49 吨
基准价
$507
50-99 吨
4.3% 优惠
$495
≥100 吨
6.6% 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
