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方钢 - ASTM认证制造商 |

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
$538 1-49 吨 基准价
$514 50-99 吨 4.5% 优惠
$503 ≥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$ 538.00
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

方钢技术规格

属性参数描述
产品名称方钢用于结构和机械用途的实心方形截面钢棒
材料牌号A36 / S235JR / Q235B / 1018 / 1045A36 (ASTM)、S235JR (EN 10025)、Q235B (GB/T 700)、1018/1045 (SAE)
标准合规ASTM A36、EN 10025-2、GB/T 700、JIS G3101符合国际结构和工程用钢标准
化学成分 (C)≤0.25% (A36) / ≤0.17% (S235JR)碳含量控制硬度和焊接性
化学成分 (Mn)0.80–1.20%锰增强强度和韧性
化学成分 (P/S)P ≤ 0.04%、S ≤ 0.05%低磷和低硫提高延展性和抗冲击性
抗拉强度400–550 MPa (S235JR) / 400–550 MPa (A36)依据 EN 10025-2 和 ASTM A36;更高牌号可提供至 690 MPa
屈服强度≥ 235 MPa (S235JR) / ≥ 250 MPa (A36)最低屈服强度确保结构承载能力
伸长率≥ 20% (A36) / ≥ 26% (S235JR)在 50 mm 标距上测量;表示延展性和成形性
尺寸范围(边长)6 mm – 200 mm常见尺寸:10×10、20×20、25×25、50×50、100×100 mm
长度3 m – 12 m(标准)/ 可定制切割根据客户要求提供不定尺或定尺长度
公差±0.5 mm(边长)依据 EN 10060 / ASTM A36尺寸公差依据适用的轧制标准
表面处理热轧(黑皮)/ 冷拔(光亮)/ 酸洗涂油热轧用于结构用途;冷拔用于精密加工应用
应用建筑、机械、轴类、框架、支架、工装广泛用于结构制造、生产加工及通用工程
认证按 EN 10204 3.1 / 2.2 出具工厂质检证书(MTC)可提供第三方检验(SGS、BV、TÜV,应要求)
包装钢带捆扎,每捆 1–3 MT出口用防水纸或塑料缠绕;内销裸捆
MOQ1 MT(现货) / 5 MT(定制订单)接受混装尺寸;欢迎试单

方形钢棒 - ASTM认证制造商

方钢是一种实心四边钢材产品,按精确尺寸公差制造,在全球建筑、机械制造和工业工程领域发挥着关键作用。这些方钢由碳钢、合金钢或不锈钢牌号生产,在苛刻载荷条件下提供一致的机械性能。我们的方钢按照 ASTM A36、ASTM A108 和 EN 10025 标准制造,确保所有尺寸范围内的尺寸精度在 ±0.5 mm 以内。抗拉强度达到 400–550 MPa,屈服强度按 ASTM A36 最低为 250 MPa,这些方钢满足桥梁、框架、轴和支撑柱的结构完整性要求。我们的产品可提供钢厂直供,具有完整的材料可追溯性和第三方检验证书,深受北美、欧洲和东南亚采购工程师和承包商的信赖。

方钢供应商

什么是方钢?

方钢是一种热轧或冷拔实心钢材截面,宽度和高度尺寸相等,通常范围为 6 mm × 6 mm 至 200 mm × 200 mm。由于其均匀的横截面、可加工性和优异的承载能力,它广泛应用于结构框架、工具制造、输送系统和农业设备。

方钢技术规格

我们的方钢可提供以下经验证的参数:

参数 规格
材料牌号 A36, 1018, 1045, 4140, 304 SS, 316 SS
尺寸范围 6 mm × 6 mm 至 200 mm × 200 mm
长度 3 m – 12 m(可定制切割)
抗拉强度 400–550 MPa(ASTM A36 最低:400 MPa)
屈服强度 按 ASTM A36 最低 250 MPa
密度 20°C 时为 7.85 g/cm³
表面处理 热轧(黑皮)、冷拔、酸洗涂油
标准 ASTM A36 / A108, EN 10025, GB/T 700
公差 ±0.5 mm 尺寸公差

获取方钢的竞争力报价

与值得信赖的 ASTM 认证制造商合作,以钢厂直销价格获取优质方钢。无论您的项目需要小批量定制切割还是大批量采购,我们的技术团队都能提供量身定制的解决方案,并附完整认证文件及准时全球发货。

方钢制造商

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方钢批发

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
Charlotte B.
United Kingdom
2025-02-02
Initial size discrepancy flagged — resolved promptly with replacement stock
Our order of 4 tons of 1018 cold-drawn square bar in 35mm × 35mm arrived with approximately 200 kg of pieces measuring 34.3mm on one face — outside the stated ±0.5 mm tolerance. We raised a formal quality claim with photos and measurements. The supplier acknowledged the issue within 24 hours and arranged a replacement shipment for the affected quantity at no additional cost, delivered within 10 days. The remainder of the batch was fully within spec. Credit to the after-sales team for handling it professionally. We are cautiously continuing the relationship and will reassess after the next order.
用户
Liam O.
Australia
2025-02-24
Solid product at a fair price — worth considering for mid-volume orders
We purchased 6 tons of 316 stainless steel square bar in 30mm × 30mm for agricultural equipment components operating in coastal, high-corrosion environments. The material tested well for corrosion resistance and the dimensional tolerance of ±0.4 mm was acceptable for our fabrication tolerances. Shipping to Brisbane took 26 days, which is slightly longer than we hoped, though the supplier was upfront about the timeline. Price per ton was noticeably better than local stainless distributors. We'd rate the overall experience a solid 4 — reliable, but transit time has room for improvement.
用户
Aisha M.
UAE
2025-03-18
Good value on bulk A36 order — minor documentation delay noted
Ordered 15 tons of 80mm × 80mm hot-rolled square bar in ASTM A36 for structural framework on a warehouse project in Dubai. Material quality was strong — tensile strength test results came in at 420 MPa, well within the 400–550 MPa range. Our only issue was a two-day delay in receiving the third-party inspection certificate, which held up our customs clearance briefly. The team resolved it quickly once flagged. Pricing was competitive for this volume and the bars arrived in good condition. Would order again with earlier documentation follow-up.
用户
Daniel F.
United States
2025-04-09
Third re-order — quality and lead time have stayed consistent throughout
This is our third procurement cycle with this supplier. We distribute square steel bar to fabrication shops across the Midwest, and our clients have flagged zero quality complaints across all three orders — combined volume around 30 tons in A36 and 1018 grades, sizes ranging from 20mm to 100mm. The pickled and oiled finish option has been particularly well received by shops doing galvanizing prep work. Pricing at mill-direct rates is genuinely competitive versus domestic distributors. On-time delivery performance has been 100% across all three orders.
用户
Stefan K.
Germany
2025-05-01
Consistent batch quality across multiple shipments — EN 10025 compliance solid
We have now received four shipments totalling approximately 25 tons of 1045 grade square bar in 60mm × 60mm section for tooling and fixture manufacturing. Each batch has been tested against EN 10025 requirements and passed without exception. The cold-drawn finish meets our surface roughness requirements for direct use in jig assembly. What distinguishes this supplier is the consistency — no grade drift between batches, which is critical for our production scheduling. Repeat orders will continue on a quarterly basis.
用户
James R.
United Kingdom
2025-05-23
Reliable mill-direct supply with documentation that satisfies UK building regs
Placed an order for 8 tons of A36 square steel bar in mixed sizes — 25mm, 40mm, and 75mm — for structural column supports across two commercial builds in Birmingham. The EN 10025 certificates provided were accepted by our structural engineer without any supplementary testing requests, which saved us considerable time. Packaging was solid and arrived with no surface damage. Customer support kept us updated throughout transit. This is now our go-to supplier for square bar on UK projects requiring dual ASTM and EN certification.
用户
Priya S.
India
2025-06-14
4140 alloy grade performed excellently in shaft machining application
Our production team ordered 3 tons of 40mm × 40mm square bar in 4140 alloy steel for CNC-machined drive shafts in industrial conveyor systems. Surface finish on the cold-drawn bars was consistent and required minimal pre-machining cleanup. Hardness uniformity across the batch was confirmed by our in-house QC. The technical team here responded to our grade-specific queries within hours and provided EN 10025 cross-reference data proactively. Lead time was 22 days to Mumbai port. Highly recommended for precision machining applications.
用户
Marcus T.
United States
2025-06-29
ASTM A36 compliance verified — zero deviations across 12-ton order
We sourced 12 tons of 50mm × 50mm square steel bar in ASTM A36 grade for a bridge support frame project in Texas. Third-party mill certs confirmed tensile strength at 430 MPa and yield at 265 MPa — both within spec. Dimensional tolerance held at ±0.3 mm, tighter than the stated ±0.5 mm. Full material traceability documentation was included without us having to chase it. Delivery to our Houston yard was completed in 18 days. Will be issuing a repeat PO for the next phase.

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 square steel?
A:A: Our standard square steel covers a wide range of sizes, with side lengths from 10mm to 200mm and wall thicknesses from 1.5mm to 20mm. Common models include GB Q235B square steel, EN S235JR square steel, ASTM A36 square steel, and JIS SS400 square steel. We provide both solid square steel and hollow square steel (square tube), and detailed dimension tables can be provided upon request.
Q: Q: What materials are your square steel products made of?
Q: Q: Can you customize square steel with non-standard sizes?
Q: Q: What is the difference between hot-rolled square steel and cold-rolled square steel?
Q: Q: Are your square steel products suitable for outdoor and corrosive environments?
Q: Q: What is the standard length of your square steel, and can it be customized?
可定制 超低价
$538 1-49 吨 基准价
$514 50-99 吨 4.5% 优惠
$503 ≥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$ 538.00
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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