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冷拔扁钢 - 工厂直供厂家 |

宏基型材有限公司
已认证 定制生产厂家 · 5 年 · 中国 China
可定制 超低价
$720 1-49 吨 基准价
$688 50-99 吨 4.4% 优惠
$673 ≥100 吨 6.5% 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$ 720.00
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

产品详情

冷拔扁钢技术规范

属性参数说明
产品名称冷拔扁钢通过冷拔工艺生产的扁钢棒,具有更高的尺寸精度和表面质量
材料牌号1018 / 1045 / 1215 (AISI); S235 / S355 / C45 (EN); Q235 / 45# (GB)可提供低碳、中碳和易切削牌号;可按要求供应国际等效牌号
标准符合性ASTM A108 / EN 10277-2 / JIS G3123 / GB/T 905符合适用国际标准的尺寸公差和力学性能要求
化学成分 (C)0.08% – 0.50% max碳含量因牌号而异;控制硬度和强度
化学成分 (Mn)0.30% – 1.65% max锰可提高淬透性和抗拉强度
化学成分 (P / S)P ≤ 0.040% / S ≤ 0.050%受控以尽量减少脆性并改善切削加工性
抗拉强度380 – 750 MPa因牌号和截面尺寸而异;符合 ASTM A108 / EN 10277-2 要求
屈服强度250 – 600 MPa与热轧等效产品相比,冷拔工艺可提高屈服强度
伸长率10% – 25% (min)在标距长度 5.65√S₀ 上测量;取决于牌号和厚度
硬度120 – 220 HB布氏硬度;拉拔过程中产生冷作硬化效应
厚度范围3 mm – 100 mm按 EN 10277 公差等级 h9–h11;可提供定制厚度
宽度范围10 mm – 300 mm宽厚比最高可达 10:1;可实现 ±0.1 mm 的严格公差
长度2,000 mm – 6,000 mm(标准);可提供定尺切割随机长度或固定长度;提供精密定尺切割服务
表面处理光亮 / 涂油 / 磷化冷拔模具带来的光滑光亮表面;出口标准为防锈油涂层
应用汽车零件、机械部件、轴、键、支架、精密加工零件广泛用于对严格尺寸公差和良好表面光洁度有要求的场合
认证ISO 9001:2015 / 工厂测试证书(EN 10204 3.1 / 3.2)完整的材料可追溯性;可提供第三方检验(SGS、BV、TÜV)
包装钢带捆扎;木托盘或钢托盘;防水纸包裹每捆重量 1–3 MT;出口海运包装标准
MOQ每个规格 1 MT / 每订单 5 MT接受混合规格以满足最低订购量;标准规格有现货

冷拔扁钢 - 钢厂直供厂家供应商

冷拔扁钢是一种精密工程钢材,通过冷拔工艺在室温下将加热后的钢材拉过模具制成,具有卓越的尺寸精度和异常光滑的表面光洁度。该工艺显著提升了基材的机械性能,与热轧替代品相比,具有更高的抗拉强度、改善的硬度和更严格的尺寸公差。冷拔扁钢广泛应用于汽车制造、机械工程、工模具生产、建筑和精密机械制造等行业。其一致的横截面几何形状和洁净的表面使其成为需要紧公差配合、减少加工时间和可靠结构性能的部件的首选。作为钢厂直供工厂供应商,我们提供多种牌号、宽度和厚度的全面冷拔扁钢系列,以满足全球工业买家的特定需求,确保质量一致性和规模化采购的成本效益。

什么是冷拔扁钢?

冷拔扁钢是一种矩形截面的钢棒,通过在环境温度条件下将热轧钢拉过精密模具制成。这种冷加工工艺细化了钢材的晶粒结构,使产品具有更严格的尺寸公差(通常为 ±0.05 mm)、改善的表面质量和增强的机械强度——使其适用于高精度工业应用,无需大量二次加工。

冷拔扁钢供应商

冷拔扁钢技术规格

我们的冷拔扁钢按照包括 ASTM A108、DIN EN 10278 和 GB/T 905 在内的国际标准制造。关键规格包括:抗拉强度根据牌号不同在 480 MPa 至 750 MPa 之间,屈服强度最低为 415 MPa,表面硬度为 140–220 HB。可供宽度为 10 mm 至 200 mm,厚度为 3 mm 至 80 mm。标准牌号包括 1018、1045、C45 和 20Cr,可根据要求提供定制牌号。

参数 规格
标准 ASTM A108 / DIN EN 10278 / GB/T 905
宽度范围 10 mm – 200 mm
厚度范围 3 mm – 80 mm
抗拉强度 480 – 750 MPa
屈服强度 ≥ 415 MPa
表面硬度 140 – 220 HB
尺寸公差 ±0.05 mm
可供牌号 1018, 1045, C45, 20Cr, 定制
表面光洁度 光亮、光滑(Ra ≤ 1.6 μm)
长度 3 m – 12 m(可定制切割)

获取冷拔扁钢的竞争力报价

与我们钢厂直营工厂合作,以具有竞争力的厂价获取优质冷拔扁钢。无论您需要标准库存尺寸还是定制切割型材,我们的技术团队都随时准备以快速交货期、认证质量文件和灵活的订单数量支持您的采购需求。

冷拔扁钢制造商

  • 提供24/7客户支持
  • 免费样品供质量评估
  • 批量订单价格优惠
  • 专业技术咨询

立即联系我们,24小时内获取免费报价!

冷拔扁钢批发

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
Linda M.
United States
2025-02-01
Initial spec discrepancy on width tolerance — resolved satisfactorily
Our first order of 1018 cold drawn flat steel (30mm x 12mm, 2 tons) showed a small number of bars measuring 30.08–30.12mm width — slightly outside the advertised ±0.05mm tolerance. We raised the issue with the technical team who responded within 24 hours, arranged a re-inspection of remaining stock, and issued a partial replacement shipment at no cost. The replacement material was within spec. The resolution process was handled professionally and quickly. We've since placed a second order and quality control appears tighter. A positive outcome overall.
用户
Omar A.
UAE
2025-02-22
Competitive pricing and good documentation — room for packaging improvement
We sourced 5 tons of C45 cold drawn flat steel, 120mm x 50mm, for heavy-duty industrial press components. Material specs were on point — yield strength confirmed at 450 MPa and hardness at 185 HB per the mill certificate. Pricing was very competitive for the Gulf market, and the sales team responded quickly to our RFQ. Packaging could be improved — a few bars showed minor surface scratches from transit, though this didn't affect usability. Overall a reliable supplier and we've since negotiated a quarterly supply agreement.
用户
David H.
Australia
2025-03-16
Good value on 1045 flat bar — minor lead time variance on first order
Purchased 6 tons of 1045 cold drawn flat steel in 70mm x 35mm for machinery frame components. Material quality was solid — tensile strength averaged 710 MPa and surface finish was smooth as described. Our only note is that the first shipment arrived 5 days later than initially estimated, though the team communicated proactively about the delay. ASTM A108 certification was provided without issue. Pricing was notably better than our previous Australian distributor for equivalent grade material. Second order is already in progress and lead time improved.
用户
Tobias K.
Germany
2025-04-07
20Cr grade precision flat bar — excellent for gear shaft applications
Ordered 4 tons of 20Cr cold drawn flat steel, 100mm x 40mm, for gear shaft blanks in precision gearbox assemblies. Material certification aligned with DIN EN 10278 requirements. Tensile strength tested at 620 MPa and surface hardness at 175 HB — both within specification. The tight ±0.05mm tolerance eliminated a roughing pass on our CNC lathes, reducing cycle time by roughly 12%. Packaging was robust with no surface damage on arrival. Technical consultation prior to order helped us confirm grade suitability. Will continue sourcing through this supplier.
用户
Sophie W.
United Kingdom
2025-04-29
Fast turnaround and consistent quality across multiple deliveries
We use cold drawn flat steel bars (60mm x 25mm, grade 1018) for structural framing components in modular construction projects. After a smooth first trial order of 2 tons, we've since placed three additional orders averaging 5 tons each. Delivery to our Leeds warehouse has consistently landed within 20–22 days. Customer service is available when we need them — even assisted with customs documentation on our second shipment. Dimensional consistency between batches is excellent. Happy to recommend this supplier to other UK fabricators.
用户
Ankit S.
India
2025-05-21
Reliable mill-direct pricing for bulk 1018 flat bar procurement
We've been importing 1018 cold drawn flat steel — primarily 25mm x 10mm and 40mm x 15mm profiles — for our mechanical assembly line. This was our third order totaling approximately 15 tons, and quality has been consistent across all shipments. Yield strength verified at 430 MPa minimum, exceeding the ≥415 MPa requirement per GB/T 905. Mill-direct pricing is genuinely competitive compared to local traders. Shipping to Mumbai port was well-coordinated. Free samples before our first order helped us validate the material grade before committing to volume.
用户
James R.
United Kingdom
2025-06-12
C45 flat steel meets EN 10278 — solid technical support throughout
Sourced 3.5 tons of C45 cold drawn flat steel in 80mm x 30mm for precision die inserts. The material was certified to DIN EN 10278 and hardness readings averaged 195 HB across multiple test points — exactly within the 140–220 HB range specified. What impressed us most was the technical team's responsiveness: they provided full chemical composition data and a detailed MTR within hours of our request. Delivery to Birmingham took 21 days. The smooth Ra ≤ 1.6μm surface finish saved us considerable grinding time.
用户
Marcus T.
United States
2025-06-27
Exceptional dimensional accuracy on 1045 grade flat bars
We ordered 8 metric tons of 1045 cold drawn flat steel, 50mm x 20mm cross-section, for CNC-machined automotive transmission components. Dimensional tolerance held consistently within ±0.04mm across the entire batch — actually tighter than the stated ±0.05mm spec. Mill test reports confirmed tensile strength at 680 MPa, fully compliant with ASTM A108. Lead time was 18 days to our Texas facility. Surface finish was bright and clean, significantly reducing our pre-machining prep time. Will be placing repeat orders quarterly.

了解供应商

宏基型材有限公司

入驻 Sinoali.com 5 年

所在地:China

Product 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.

Guided by a customer-first philosophy, we have built a comprehensive sales and after-sales network. Our products are exported to Europe, North America, Southeast Asia and Africa, with long-term cooperation with well-known enterprises. Our team provides one-stop services, and we ensure prompt delivery through sufficient inventory and optimized logistics.

Upholding “Quality First, Integrity-based, Innovation-driven, Win-Win Cooperation”, Hongji is committed to becoming a global leader in the steel profile industry, continuously improving quality and service to create a better future with global customers.

 

FAQ

Q: Q: What are the common specifications of your flat steel?
A:A: Our standard flat steel covers a wide range of sizes, with thicknesses from 3mm to 50mm, widths from 20mm to 600mm, and lengths from 6m to 12m. Common models comply with GB, EN, ASTM and JIS standards, including GB Q235B flat steel, EN S235JR flat steel, ASTM A36 flat steel and JIS SS400 flat steel. Detailed dimension tables and specification parameters can be provided upon your request.
Q: Q: What materials are your flat steel products made of?
Q: Q: Do you supply hot-rolled flat steel and cold-rolled flat steel?
Q: Q: Can you customize flat steel with non-standard sizes?
Q: Q: What is the difference between ordinary flat steel and high-strength flat steel?
Q: Q: Are your flat steel products suitable for outdoor and corrosive environments?
可定制 超低价
$720 1-49 吨 基准价
$688 50-99 吨 4.4% 优惠
$673 ≥100 吨 6.5% 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$ 720.00
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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