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不锈钢矩形管供应商和制造商

雷河不锈钢有限公司
已认证 定制生产厂家 · 8 年 · 中国 China
可定制 超低价
$2850 1-49 吨 基准价
$2724 50-99 吨 4.4% 优惠
$2662 ≥100 吨 6.6% 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$ 2,850.00
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

不锈钢矩形管技术规格

属性参数描述
产品名称不锈钢矩形管由不锈钢合金制成的空心矩形截面管
材料牌号304 / 304L / 316 / 316L / 321 / 310S304 ≈ EN 1.4301 / JIS SUS304; 316L ≈ EN 1.4404 / JIS SUS316L
标准合规ASTM A554 / ASTM A269 / EN 10296-2 / JIS G3446 / GB/T 12770涵盖焊接和无缝不锈钢机械管
化学成分 (304)C ≤0.08%, Mn ≤2.0%, Si ≤1.0%, Cr 18.0–20.0%, Ni 8.0–10.5%, P ≤0.045%, S ≤0.030%奥氏体牌号; 316/316L 添加 Mo 2.0–3.0% 以增强耐腐蚀性
抗拉强度≥515 MPa (304); ≥485 MPa (316L)依据 ASTM A554 / EN 10296-2 要求
屈服强度≥205 MPa (304); ≥170 MPa (316L)0.2% 屈服应力; 数值依据各自材料标准
伸长率≥35% (304); ≥40% (316L)按 ASTM A370 在 50 mm 标距长度上测量
硬度≤201 HB / ≤92 HRB (304)布氏或洛氏 B 标尺; 退火状态
尺寸范围宽度: 10–400 mm; 高度: 10–200 mm; 壁厚: 0.5–20 mm; 长度: 最长 12,000 mm可提供定制尺寸; 公差依据 ASTM A554 或 EN 10296-2
壁厚公差±10% (焊接); ±12.5% (无缝)依据 ASTM A554 表 1; 可根据要求提供更严格的公差
表面处理No.1 / 2B / BA / No.4 / No.8 / 拉丝 / 抛光 / 酸洗钝化2B 为标准轧制表面; BA 和 No.8 用于装饰性应用
制造工艺焊接 (ERW / TIG) 或无缝; 冷拔或热轧焊接管依据 ASTM A554; 无缝管依据 ASTM A269 / EN 10296-2
应用建筑、扶手、结构框架、食品加工设备、化工行业、船舶配件、家具海洋和化工环境首选 316/316L
认证ISO 9001:2015, PED 2014/68/EU, Mill Test Certificate EN 10204 3.1 / 3.2可根据要求提供第三方检验(SGS, BV, TÜV)
包装钢带捆扎;塑料端盖;木托盘或木箱出口海运包装;可提供防潮包装
MOQ1 Ton (standard sizes); 500 kg (custom sizes)接受混合牌号和尺寸以满足 MOQ

不锈钢矩形管

不锈钢矩形管是一种用途广泛、性能优异的结构材料,广泛应用于建筑、工业和建筑装饰领域。凭借其精确的几何轮廓、卓越的耐腐蚀性和出色的机械强度,该产品已成为全球工程师、制造商和采购专业人士的首选。作为值得信赖的供应商和制造商,我们提供全面的矩形管解决方案,量身定制以满足最严苛的项目需求。

不锈钢矩形管供应商

什么是不锈钢矩形管?

不锈钢矩形管是一种由不锈钢合金制成的具有矩形横截面的空心型材。与圆形或方形管不同,矩形轮廓在需要定向强度的承载应用中具有明显优势。平坦的表面也使其更易于焊接、切割和加工成复杂的组件。这些管材通过热轧、冷拔或电阻焊(ERW)工艺生产,确保一致的壁厚和尺寸精度。

关键规格和牌号

我们的不锈钢矩形管提供多种牌号、尺寸和表面处理,以满足不同的应用需求:

不锈钢矩形管制造商

  • 常见牌号:304、304L、316、316L、321、310S、430,以及2205等双相钢牌号
  • 尺寸范围:宽度从10mm到400mm,高度从10mm到300mm,壁厚从0.5mm到20mm
  • 长度:标准长度为6m和12m,或提供定制定尺切割服务
  • 表面处理:No.1、2B、BA、No.4(拉丝)、No.8(镜面)以及酸洗表面
  • 标准:ASTM A554、ASTM A312、EN 10296-2、JIS G3446和GB/T 12770

304牌号因其优异的耐腐蚀性和焊接性而成为最广泛指定的选择。316和316L牌号推荐用于海洋环境或涉及氯化物暴露的应用,具有更强的抗点蚀和缝隙腐蚀能力。

不锈钢矩形管批发

不锈钢矩形管的性能优势

选择正确的结构材料对任何项目的使用寿命和安全性都至关重要。不锈钢矩形管具有多项突出的性能优势:

  • 耐腐蚀性:铬含量形成一层钝化氧化层,保护表面免受锈蚀、氧化和化学侵蚀,即使在恶劣环境中也是如此。
  • 高强度重量比:在不增加过多重量的情况下提供出色的结构完整性,降低材料成本并简化安装。
  • 卫生特性:无孔表面可抑制细菌滋生,使其成为食品加工和制药应用的理想选择。
  • 耐温性:在从低温条件到高温环境的广泛温度范围内保持机械性能。
  • 美观性:提供抛光和拉丝表面处理,呈现洁净、现代的外观,适用于建筑和装饰用途。
  • 长使用寿命:极低的维护要求和卓越的耐用性可在产品生命周期内降低总拥有成本。

各行业应用

由于其适应性和可靠性,不锈钢矩形管在广泛的行业中得到了广泛应用:

  • 建筑与结构: 幕墙、扶手、栏杆、结构框架和立面系统
  • 工业制造: 机器框架、输送机支架、设备外壳和自动化结构
  • 食品与饮料: 加工设备、储物架和卫生管道框架
  • 石油与天然气: 海上平台、化工厂结构和管道支架
  • 交通运输: 铁路车厢、卡车车身和造船部件
  • 家具与室内设计: 现代家具框架、搁架单元和装饰装置

为什么选择我们作为您的 Stainless Steel Rectangular Tube 供应商?

作为一家经验丰富的 Stainless Steel Rectangular Tube 产品制造商和供应商,我们致力于提供始终如一的质量、有竞争力的价格和可靠的准时交付。我们的生产设施配备了先进的轧制和拉拔设备,每批产品都经过严格的质量检验,包括尺寸检查、力学测试和表面评估。我们支持 OEM 订单、定制尺寸和批量采购,并提供灵活的物流解决方案,可送达全球各地。无论您需要标准库存产品还是特殊型材,我们的技术团队随时准备在您的整个采购过程中提供专业的咨询和支持。

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
Oliver W.
United Kingdom
2025-02-01
Initial surface issue resolved promptly — now satisfied
First order of 304 brushed (No.4 finish) rectangular tube in 50x25x2mm flagged a minor inconsistency in brushing direction on roughly 15% of pieces, which would have been visible in our architectural application. Raised the issue with the supplier immediately. They responded within 12 hours, arranged replacement of the affected lengths at no additional cost, and the replacement shipment arrived within 10 days. Replacement quality was correct and consistent. Issue handling was professional and efficient. Will give them another order based on how they managed the resolution.
用户
Fatima A.
UAE
2025-02-22
Competitive pricing for marine-grade 316L stock
We procure 316L rectangular tube regularly for offshore and marine construction projects in the Gulf region. Ordered 10 tonnes in 80x40x3mm and 60x30x2.5mm sizes. Corrosion resistance performance on the 316L grade has been validated by our materials engineer against ASTM A554 specifications. Pricing is noticeably competitive versus regional distributors. Delivery to Jebel Ali took 24 days, which is acceptable. Would rate five stars if the online order tracking system were more detailed — currently requires manual email follow-up for status updates.
用户
Lena B.
Germany
2025-03-16
Good value on 316 tubing, minor documentation delay
Ordered 4 tonnes of 316 stainless rectangular tube in 100x50x4mm wall for chemical plant equipment enclosures. Material quality and dimensional accuracy met EN 10296-2 requirements — mechanical testing results were within spec. Price was approximately 8% lower than our previous European supplier for equivalent grade. Only issue was a two-day delay receiving the full material certification package, which held up our internal approval process briefly. Supplier resolved it quickly when flagged. Overall a solid procurement experience worth repeating.
用户
James K.
United States
2025-04-07
Fast turnaround on custom lengths for curtain wall project
Needed 120x60x3mm grade 304 rectangular tubes cut to 3.6m for a curtain wall subframe — non-standard length that most suppliers wouldn't accommodate without a large MOQ. This supplier confirmed the custom cut service within 24 hours and shipped 6 tonnes in 25 days. Cut ends were clean and square, saving us machine time on-site. ASTM A554 test reports were accurate and complete. The project manager specifically flagged the delivery reliability. Already have a follow-up RFQ submitted.
用户
Arjun M.
India
2025-04-29
Consistent quality across three bulk orders
Third repeat purchase — 15 tonnes of 304 rectangular tube in mixed sizes (40x20x1.5mm and 80x40x2mm) for machine frame manufacturing. Each order has delivered the same dimensional consistency and surface quality. The 2B finish is clean and uniform, which reduces our pre-fabrication prep time significantly. GB/T 12770 compliance is confirmed on all certificates. Delivery to Mumbai has averaged 19 days. After three successful orders, I'm confident recommending this supplier to other procurement managers in our network.
用户
David H.
Australia
2025-05-21
Reliable supply partner for food-grade conveyor frames
We've been using 304L rectangular tubing in 60x40x3mm for food processing conveyor frames across three different contracts. The hygienic surface finish and non-porous weld seams meet our clients' food safety audit requirements consistently. Mill test certificates referencing ASTM A554 are always included in the shipment documentation. Pricing is competitive for the quality level, and the technical team answered our grade selection questions quickly. This is now our go-to source for food industry structural tubing.
用户
Sophie R.
United Kingdom
2025-06-12
Mirror-finish 304 tubes transformed our facade project
Sourced 100x50x2mm grade 304 rectangular tubes with No.8 mirror finish for a high-end commercial facade in London. The surface consistency across 5 tonnes of material was outstanding — no visible grain variation between lengths. EN 10296-2 compliance documentation was provided without any chasing. The architectural team specifically praised the finish quality. Lead time was 28 days including custom cut-to-length at 4.2m. Supplier communication throughout was prompt and professional.
用户
Marcus T.
United States
2025-06-27
Exceptional dimensional accuracy on 316L rectangular tubing
We ordered 8 tons of 316L stainless rectangular tube in 50x30x2mm wall thickness for an offshore platform support structure. Every piece met ASTM A554 tolerances without exception. Wall thickness variance was within ±0.1mm across the entire batch. Our QC team was genuinely impressed. Delivery to Houston port took 22 days from order confirmation, which fits our project schedule perfectly. Will definitely be placing repeat orders for upcoming Phase 2 procurement.

了解供应商

雷河不锈钢有限公司

入驻 Sinoali.com 8 年

所在地:China

可定制 超低价
$2850 1-49 吨 基准价
$2724 50-99 吨 4.4% 优惠
$2662 ≥100 吨 6.6% 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$ 2,850.00
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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