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Q235B C型钢 - GB标准厂家直供
宏基型材有限公司
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5 年
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China
China
可定制
超低价
$511
1-49 吨
基准价
$489
50-99 吨
4.3% 优惠
$477
≥100 吨
6.7% 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
Q235B C型钢
$477 - $511
1 吨 （最小起订量）
高强度C型钢
$579 - $620
1 吨 （最小起订量）
冷弯C型槽钢
$542 - $580
1 吨 （最小起订量）
不锈钢C型槽钢
$2195 - $2350
1 吨 （最小起订量）
镀锌C型槽钢
$579 - $620
1 吨 （最小起订量）
S235JR C型槽钢
$388 - $415
1 吨 （最小起订量）
C型钢
$448 - $480
1 吨 （最小起订量）
待售钢槽
$579 - $620
1 吨 （最小起订量）
钢槽型材
$512 - $548
1 吨 （最小起订量）
ASTM A36 C型槽钢
$486 - $520
1 吨 （最小起订量）
建筑用槽钢
$486 - $520
1 吨 （最小起订量）
U型槽
$495 - $530
1 吨 （最小起订量）
产品详情
Q235B C型钢技术规格
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | Q235B C型钢 | 热轧或冷弯C型槽钢结构型钢 |
| 材质等级 | Q235B | 相当于 ASTM A36、EN S235JR、JIS SS400 |
| 标准符合性 | GB/T 6725、GB/T 700 | 冷弯型钢和碳素结构钢的中国国家标准 |
| 碳（C） | ≤ 0.20% | 依据 GB/T 700 化学成分要求 |
| 锰（Mn） | ≤ 1.40% | 确保足够的强度和韧性 |
| 硅（Si） | ≤ 0.35% | 脱氧元素，用于改善钢材质量 |
| 磷（P） | ≤ 0.045% | 控制以防止冷脆性 |
| 硫（S） | ≤ 0.045% | 控制以防止热脆性 |
| 抗拉强度 | 370–500 MPa | 依据 GB/T 700-2006 标准规范 |
| 屈服强度 | ≥ 235 MPa | 厚度 ≤ 16 mm 时的最小屈服点 |
| 伸长率 | ≥ 26% | 在标准标距试样（A5）上测量 |
| 高度范围 | 80–300 mm | C型槽腹板高度，可根据项目要求定制 |
| 翼缘宽度 | 40–100 mm | 可提供标准及定制宽度 |
| 厚度 | 1.5–6.0 mm | C型截面型材的壁厚 |
| 长度 | 6,000–12,000 mm | 标准长度；可根据要求定制切割 |
| 表面处理 | 热浸镀锌 / 涂漆 / 裸材 | 镀锌层通常为 60–275 g/m²，依据 GB/T 2518 |
| 应用 | 钢结构、檩条、墙梁、框架 | 广泛用于工业建筑、仓库和预制钢结构 |
| 认证 | ISO 9001、SGS、工厂测试证书（EN 10204 3.1） | 提供第三方检验和材料可追溯性 |
| 包装 | 钢带捆扎，防水包装 | 适合集装箱或散货船运输的 seaworthy 包装 |
| MOQ | 5 公吨 | 试订单可协商更小数量 |
Q235B C型钢 - GB标准厂家直供
Q235B C型钢是现代建筑和工业应用中用途最广、最具成本效益的结构型钢之一。该冷弯型钢采用GB/T 700标准生产的Q235B碳素结构钢制造，以钢厂直销价格提供可靠的力学性能。作为值得信赖的工厂供应商，我们提供全面的Q235B C型钢槽钢系列产品，具有精确的尺寸公差、稳定的材料性能和灵活的订货数量，以满足全球市场钢结构工程、檩条、框架系统和支撑支架的需求。
什么是Q235B C型钢？
Q235B C型钢是一种冷弯结构型钢，通过将Q235B级热轧卷板或钢带辊弯成C形截面而制成。Q235B中的“Q”表示屈服强度——根据GB/T 700-2006，厚度≤16 mm时最低为235 MPa。后缀“B”表示在20°C下具有保证的冲击韧性，夏比V型缺口冲击功最低值为27 J。该型钢在钢框架建筑中作为檩条、墙梁、太阳能板安装系统中的支撑槽钢以及预制结构中的轻质框架构件发挥着关键作用。
Q235B C型钢技术规格
我们的Q235B C型钢槽钢严格按照GB/T 700（材料）和GB/T 6725（冷弯型钢）标准生产。以下是关键技术参数：
| 性能 | 规格 |
|---|---|
| 钢种 | Q235B，符合 GB/T 700-2006 |
| 屈服强度 | ≥235 MPa（厚度 ≤16 mm） |
| 抗拉强度 | 370–500 MPa |
| 伸长率（A₅） | ≥26% |
| 碳含量 | ≤0.20% |
| 锰含量 | ≤1.40% |
| 密度 | 7.85 g/cm³（20°C） |
| 高度范围 | 80 mm – 300 mm |
| 翼缘宽度 | 40 mm – 100 mm |
| 厚度 | 1.5 mm – 6.0 mm |
| 长度 | 6 m、9 m、12 m 或定制切割 |
| 表面处理 | 热浸镀锌 / 涂漆 / 裸材 |
| 冲击韧性（20°C） | ≥27 J（夏比 V 型缺口） |
Q235B C 型钢的主要优势
为 C 型钢型材选择 Q235B 钢种可带来多项可量化的优势。235 MPa 的保证屈服点可为次要结构构件提供可靠的承载能力，同时由于其低碳当量（≤0.38），保持了优异的可焊性。冷弯成型工艺可实现高度 ±1.0 mm、翼缘宽度 ±0.5 mm 的严格尺寸公差，确保安装时的精确配合。与热轧槽钢相比，C 型截面在保持相当截面模量的同时，将材料重量减少 15%–30%，从而降低运输成本并加快安装周期。
常见应用
- 钢结构檩条和墙梁 — 工业仓库和厂房的屋顶和墙面支撑
- 太阳能支架系统 — 地面安装和车棚支架结构
- 预制建筑 — 模块化建筑的轻钢框架
- 电缆桥架和支撑支架 — 电气和机械基础设施
- 农业设施 — 温室框架和畜牧建筑结构
获取 Q235B C 型钢的竞争力报价
作为钢厂直供工厂供应商，我们省去中间商加价，以高性价比的价格提供优质 Q235B C 型钢。无论您需要标准尺寸还是定制尺寸，我们的生产线可承接从 5 吨到整船装载的订单，并保证质量稳定。
- 24/7 客户支持
- 免费样品供质量评估
- 批量订单具有竞争力的价格
- 专业技术咨询
立即联系我们，24 小时内获取免费报价！
评分与评价
Thomas Ashworth
United Kingdom
2025-02-19
Initial Dimension Issue Resolved — Product Now Meets Expectations
First shipment of 10 tons (C180×70×2.5mm) had a few pieces where flange width measured 71.2mm — slightly outside the ±0.5mm tolerance. Flagged this with the supplier and they responded within 24 hours, replaced the affected pieces at no charge on our next order, and showed us updated QC inspection photos for subsequent production. Second batch of 12 tons was perfect. Yield strength and impact toughness both met GB/T 700 requirements. Appreciate the accountability — would order again now that QC seems tightened.
David Hartley
Australia
2025-04-10
Decent C-Channel for Greenhouse Frames at a Fair Price
Used 15 tons of Q235B C-shaped steel (C100×50×1.5mm galvanized, 6m lengths) for greenhouse structural frames across two sites in Queensland. The material is lightweight yet adequately stiff for our span requirements. Galvanized coating was consistent and should hold up well in our humid conditions. Delivery took 25 days which was slightly longer than the 20-day estimate, but manageable since we planned buffer time. Overall a good cost-to-performance ratio — roughly 18% savings compared to sourcing locally in Australia.
Rachel Simmons
United States
2025-05-02
Good Value — Minor Packaging Issue But Product Is Solid
Bought 22 tons of Q235B C-channel (C140×60×2.0mm, bare finish) for light-gauge framing on a commercial project in Oregon. Price was about 12% lower than our previous supplier for comparable quality. Mechanical properties checked out — 241 MPa yield, 26.8% elongation. One bundle had some surface rust from moisture ingress during shipping, but it was cosmetic and the supplier credited us promptly. Dimensions were accurate throughout. For the price point, this is very competitive material.
Ahmed Al-Rashidi
UAE
2025-03-26
Reliable Supply for Large-Scale Steel Structure Work
We sourced 85 tons of hot-dip galvanized Q235B C-shaped steel (C200×80×2.5mm and C250×80×3.0mm, 12m lengths) for a workshop and agricultural storage complex in Abu Dhabi. Galvanizing thickness averaged 75μm which meets our durability requirements in the Gulf climate. Tensile strength came in at 420 MPa — comfortably within the 370-500 MPa range. The factory accommodated our mixed-size order without minimum quantity issues per size. Shipping documentation and LC handling were smooth. Will use again for upcoming projects.
Stefan Keller
Germany
2025-04-28
Strong Technical Support and Clean Documentation
Ordered 18 tons of Q235B C-channel (C160×60×3.0mm) for cable tray support brackets in an industrial facility near Hamburg. The mill certificates were thorough — full chemical composition, mechanical test results, and dimensional inspection reports included per GB/T 6725. Their engineering team provided load capacity tables that helped our designers verify deflection limits before ordering. Surface finish on the painted option was clean with uniform 60μm DFT. Communication was responsive even across time zones. Solid technical partner.
Oliver Brennan
United Kingdom
2025-05-20
Consistent Quality Across Multiple Shipments
We've now completed our third order — total around 120 tons of Q235B C-steel in various sizes from C100 to C250 for prefabricated modular buildings. What keeps us coming back is the consistency. Every batch arrives within spec, Charpy impact values consistently above 30J at 20°C, and the flange width tolerance stays within ±0.4mm. Custom 9m cut lengths saved us significant waste on our latest project in Manchester. Lead time has been 20-22 days across all orders. Reliable supplier we can count on.
Priya Nambiar
India
2025-06-11
Perfect Fit for Solar Mounting Racking Systems
Procured 28 tons of Q235B C-channel in C120×50×2.0mm galvanized finish for our 5MW ground-mount solar farm in Rajasthan. The low carbon content (tested at 0.17%) gave us excellent weldability during on-site fabrication — zero cracking issues. Section weight was roughly 20% lighter than equivalent hot-rolled channels, which significantly reduced our foundation costs. Mill test certificates matched GB/T 700-2006 specs precisely. Their technical team helped us select the optimal section modulus for our wind load calculations. Very professional experience.
James Whitfield
United States
2025-07-04
Excellent Purlin Material for Our Warehouse Projects
We ordered 45 tons of Q235B C-shaped steel (C200×75×2.5mm, 12m lengths) for purlin and girt applications across three warehouse builds in Texas. Dimensional tolerances were spot-on — measured height deviation under ±0.8mm which made erection seamless. Yield strength tested at 248 MPa on our end, well above the GB/T 700 minimum. Delivery took 18 days door-to-port, which was faster than quoted. The hot-dip galvanized finish is uniform with no bare spots. Already planning our next order for a logistics center project.
了解供应商
Factory Introduction
Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.
Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.
Customer feedback
FAQ
Q:
Which international standards do your channel steels meet?
A:They meet EN 10025-2, JIS G3101, ASTM A36, and other standards. We provide CE/JIS certification, MTR certificates, and SGS third-party reports to ensure seamless customs clearance in the EU and Japanese markets.
Q:
Is anti-corrosion treatment of channel steel suitable for long-distance sea freight?
Q:
How do I choose the specifications? Do you support customization?
Q:
How is quality inspected and guaranteed?
Q:
What are the advantages of exporting channel steel compared to H-beams?
Q:
Can semi-finished products be exported?
可定制
超低价
$511
1-49 吨
基准价
$489
50-99 吨
4.3% 优惠
$477
≥100 吨
6.7% 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
