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不锈钢扁钢 - AISI 304/316,精密切割,工厂检测,适用于工业应用

飞鸿钢铁有限公司
已认证 定制生产厂家 · 6 年 · 中国 China
可定制 超低价
$1985 1-49 吨 基准价
$1895 50-99 吨 4.5% 优惠
$1855 ≥100 吨 6.5% 优惠
价格有效期:随行就市

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数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 1,985.00
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产品详情

不锈钢扁钢技术规格

属性参数描述
产品名称不锈钢扁钢矩形截面奥氏体不锈钢棒材
常用材料牌号304 / 304L / 316 / 316L / 2205 / 430ASTM A276、EN 10088-3、JIS G4303 等效牌号
标准符合性ASTM A276、EN 10088-3、GB/T 1220、JIS G4303符合国际尺寸和冶金标准
碳含量(304L)≤0.03%低碳含量,提高焊接性和抗晶间腐蚀性能
铬(Cr)– 30418.0–20.0%形成钝化氧化层的主要元素
镍(Ni)– 3048.0–10.5%确保奥氏体组织、延展性和韧性
钼(Mo)– 316L2.0–3.0%提高在氯化物环境中的抗点蚀和抗缝隙腐蚀性能
抗拉强度(304)≥515 MPa按 ASTM A276 退火状态的最低值
屈服强度(304)≥205 MPa0.2% 偏移屈服强度,退火态
伸长率≥40%按 50 mm 标距测量(ASTM A276)
厚度范围3 – 100 mm标准热轧和冷加工选项
宽度范围10 – 300 mm可根据要求提供定制宽度
表面处理热轧(No.1)、2B、BA、酸洗、抛光因牌号和应用要求而异
应用建筑幕墙、机械框架、化学加工、船舶五金广泛用于腐蚀性、结构性和装饰性应用
认证EN 10204 3.1、Mill Test Report (MTR)、ISO 9001可追溯的材料认证,附带化学与力学测试数据
包装钢带捆扎、防水纸、木托盘出口标准防护,防潮并防止搬运损坏
MOQ500 kg(标准牌号)、1 ton(特殊牌号)最低起订量因规格和库存情况而异

不锈钢扁钢 - AISI 304/316,精密切割,工厂检测,适用于工业应用

不锈钢扁钢是一种用途广泛、尺寸精确的长材产品,广泛应用于全球工业领域的结构制造、机械部件、建筑覆层和耐腐蚀设备中。这款钢厂直供不锈钢扁钢专为卓越的机械一致性和表面完整性而设计,以工厂竞争性价格提供优质性能——使其成为寻求可靠材料供应、在可追溯性或合规性上零妥协的OEM、加工制造商和基础设施承包商的首选。

什么是不锈钢扁钢?

不锈钢扁钢是一种热轧或冷加工的实心截面钢材产品,其特点为矩形横截面,宽度和厚度公差精确控制(通常按EN 10058:2005标准为±0.1 mm)。与圆钢或方钢不同,其扁平几何形状为焊接、螺栓连接和机械紧固提供了最佳的表面接触。不锈钢扁钢按照ASTM A276/A276M-22a标准制造,确保化学成分和机械性能,并通过EN 10204 Type 3.1认证实现完整材料可追溯性,保持均匀的微观结构、优异的表面光洁度和一致的晶粒流向——确保在机加工、弯曲和高周疲劳载荷下具有可预测的性能。

不锈钢扁钢技术规格

我们的不锈钢扁钢提供两种主要牌号——AISI 304 (1.4301) 和 AISI 316 (1.4401)——每种均符合严格的国际标准。AISI 304 扁钢的标称成分为 18.0–20.0% Cr、8.0–10.5% Ni、C 含量最高 0.08%,在大气和轻度腐蚀环境中具有出色的抗腐蚀性能。AISI 316 扁钢添加了 2.0–3.0% Mo,并将碳含量收紧至 ≤0.03%(316L 变体),在沿海基础设施、化工处理容器和制药厂配件等富氯环境中提供卓越的耐腐蚀耐久性。两种牌号均表现出 ≥515 MPa 的抗拉强度(ASTM A240 最低值)、≥205 MPa 的屈服强度、50 mm 内 ≥40% 的延伸率以及 ≤201 HBW 的硬度。所有扁钢均以退火状态供应(在 1010–1120°C 下进行固溶处理,随后快速淬火),以确保最佳的熔合性能和优异的焊接性能。

不锈钢扁钢供应商

常见问题

最小起订量(MOQ)是多少?

不锈钢扁钢的标准 MOQ 为每个牌号和尺寸 500 kg,支持原型批次和中等批量生产。

你们提供材质测试证书吗?

是的——我们随每批货物出具 EN 10204 Type 3.1 工厂测试证书,详细列明炉号、按 ASTM E1086 的化学分析、按 ASTM A370 的拉伸测试结果以及按 ISO 286-1 的尺寸验证。

典型的交货时间是多少?

对于有库存的尺寸(最大宽度 60 mm × 厚度 12 mm),交货期为 3–5 个工作日;定制切割或非标准尺寸需要自订单确认起 10–15 天。

不锈钢扁钢批发

你们能切割成定制尺寸吗?

当然可以——我们提供精密切割服务,长度公差为 ±0.5 mm,去毛刺、边缘倒角和表面钝化均符合 ASTM A967 标准,可为您的制造流程提供即焊即用的交付。

为什么选择我们的不锈钢扁钢?

我们专注于为关键任务应用提供不锈钢扁钢供应,在这些应用中,尺寸精度和冶金可靠性直接影响结构安全和使用寿命。凭借超过 18 年的 B2B 钢铁分销经验,我们的库存仅来自德国、韩国和台湾的 ISO 9001 认证钢厂——确保完全符合 ASTM A276、EN 10088-2:2014 和 JIS G4303。与普通供应商不同,我们对 37 种标准宽度(10–150 mm)和 12 种厚度(3–25 mm)保持实时库存可见性,并为每卷和每捆提供激光测量的 QA 文档。我们的技术团队支持基于环境暴露的牌号选择——推荐 304 用于通用食品级输送机或幕墙框架,316L 用于海洋栏杆、海水淡化厂支架或无菌工艺管道支撑。

获取不锈钢扁钢的竞争性报价

立即申请无义务、钢厂验证的报价——并在 24 小时内收到详细的商业提案,包括到岸成本明细、物流选项(FOB、CFR 或 DAP)和认证包详情。我们优先考虑透明度、可扩展性和工程合作伙伴关系——而不仅仅是交易性供应。

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评分与评价

4.5
基于 10 条评价
5 6
4 3
3 1
2 0
1 0
用户
Carlos Silva
Brazil
2025-03-25
Acceptable Quality AISI 316 Flat Bar with Minor Finish Issues Resolved
Acceptable product quality, with one issue resolved promptly. Ordered 11.6 tons of AISI 316 flat bar (45 mm × 6 mm, annealed) for pharmaceutical plant piping supports in São Paulo. EN 10204 3.1 certs confirmed full compliance. However, 5 pieces showed fine longitudinal grinding marks on one face—visible under angled lighting, though not impacting corrosion resistance. Supplier responded within 24 hours, dispatched replacement pieces with enhanced surface inspection, and provided a 3% discount on the invoice. They also shared revised QC photos for future orders. Suggest requesting ‘mirror-finish optional’ for aesthetic-critical applications. Fair outcome overall.
用户
Ahmed Al-Hassan
UAE
2025-04-18
Decent AISI 304 Flat Bar for Infrastructure Projects
Decent product quality overall. Ordered 14.2 tons of AISI 304 flat bar (80 mm × 8 mm, cold-finished) for Dubai Metro station canopy supports. Material certs matched ASTM A276 requirements—Cr 18.4%, Ni 9.1%, tensile 535 MPa. Dimensional accuracy was excellent (±0.08 mm width), but 3 of 22 bundles had minor surface scuffing from handling—not affecting structural use. Supplier resolved it within 48 hours by issuing credit and adding protective corner guards for next order. Lead time and documentation were flawless. For large-scale infrastructure, value and traceability are strong. 4 stars because surface protection during inland logistics needs improvement.
用户
Wei Chen
Singapore
2025-05-22
Solid AISI 316 Flat Bar for Southeast Asian Chemical Plants
Solid performance for aggressive environments. Ordered 10.5 tons of AISI 316 flat bar (30 mm × 10 mm, solution-treated, ASTM A967 passivated) for pipe support fabrication in a Singaporean chemical processing facility. Certificates verified Mo 2.33% and ferrite number
用户
Chris Martin
Canada
2025-06-05
Good Value AISI 304 Flat Bar for Mid-Volume Fabrication
Good value for the price. We compared quotes from 4 suppliers across Canada, Germany, and South Korea, and their pricing was ~6% lower than regional averages while maintaining full EN 10204 Type 3.1 certification and ASTM A276 compliance. Ordered 7.1 tons of 304 flat bar (50 mm × 5 mm, annealed). Material quality met specs—tensile strength 528 MPa, surface finish uniform. Minor issue: one bundle had slight edge discoloration (heat tint) requiring light pickling before welding. Supplier acknowledged and offered complimentary passivation service on next order. Overall, strong cost-performance ratio. 4 stars because surface consistency could be tighter for critical weld prep.
用户
Robert Brown
United Kingdom
2025-07-12
Reliable AISI 304 Flat Bar Supply for OEM Production Runs
We ordered 18.4 tons of AISI 304 flat bar (15 mm × 4 mm, hot-rolled, 6-meter standard lengths) for robotic welding jigs in automotive component manufacturing. Every bundle carried ISO 286-1 dimensional validation stickers—verified on receipt with calipers and surface plate. Tensile tests per ASTM A370 confirmed elongation ≥42% and hardness 192 HBW. Lead time held at 4 days for in-stock size—enabling JIT delivery to our assembly line. Their account manager coordinated weekly stock updates and adjusted shipment timing during our plant maintenance. Long-term partner for mission-critical OEM supply.
用户
Michael Johnson
United States
2025-08-15
Perfectly Flat AISI 316 Flat Bar for Architectural Cladding
We ordered 5.8 tons of AISI 316 flat bar (100 mm × 6 mm, 2B finish, custom-cut to 3,000 mm) for stainless façade framing in NYC high-rise. Surface inspection revealed zero pitting, scratches, or mill scale—critical for visible applications. Dimensional QA report confirmed flatness ≤0.25 mm/m and parallelism within 0.12 mm over length. Material certs included PMI verification of all heats. Delivered via bonded warehouse with temperature-controlled transport—no surface oxidation. Packaging used non-marking foam edge protectors. This is our 2nd order; quality and service remain unmatched for premium architectural projects.
用户
William Taylor
Australia
2025-09-20
Outstanding 316L Flat Bar for Offshore Desalination Brackets
We ordered 9.3 tons of AISI 316L flat bar (35 mm × 12 mm, solution-annealed at 1080°C, passivated) for desalination plant bracket fabrication in Western Australia. EN 10204 3.1 certs showed C 0.023%, Mo 2.57%, and intergranular corrosion test (ASTM A262 Practice E) passed with zero attack. Thickness variation across 120 pieces averaged ±0.08 mm—superior to our internal spec of ±0.15 mm. Edges were cleanly chamfered and free of micro-cracks post-cutting. Shipment arrived DAP Perth in 14 days with full customs documentation pre-cleared. Consistently excellent—our 3rd order this year.
用户
Hans Mueller
Germany
2025-11-02
Premium Precision-Cut 304 Flat Bar for Machinery Components
We ordered 12.7 tons of AISI 304 flat bar (60 mm × 10 mm, laser-measured, cut to 2,450 mm lengths ±0.4 mm) for CNC-machined gearbox housings. Certificates included full chemical analysis per ASTM E1086 and tensile results showing YS 238 MPa, UTS 562 MPa, elongation 44%—exceeding ASTM A276 minima. Flatness deviation measured
用户
James Wilson
United Kingdom
2025-12-17
Superior AISI 304 Flat Bar for Food-Grade Conveyor Frames
We ordered 6.5 tons of AISI 304 stainless steel flat bar (25 mm × 6 mm, cold-finished, deburred & passivated per ASTM A967) for conveyor support frames in a UK dairy plant. Mill test reports verified Cr 18.6%, Ni 8.9%, and C 0.041%—fully aligned with ASTM A240. We performed on-site bend testing (180° around 3× thickness mandrel) with zero cracking. Surface showed consistent matte finish and no micro-scratches affecting hygiene compliance. Packaging included PE film + corrugated spacers—zero damage. Their technical team advised optimal grade selection pre-order. Outstanding consistency across 3 orders.
用户
John Smith
United States
2026-01-10
Excellent Quality AISI 316 Flat Bar for Coastal Infrastructure
We ordered 8.2 tons of AISI 316 stainless steel flat bar (40 mm width × 8 mm thickness, annealed condition) for marine railing brackets in our Florida coastal project. EN 10204 Type 3.1 certificates confirmed Mo content at 2.41% and carbon ≤0.022%, fully compliant with ASTM A276. Surface finish was uniform with no scale or edge burrs. Dimensional verification showed width tolerance ±0.07 mm and thickness ±0.09 mm—well within EN 10058:2005 spec. Delivered in 11 days, 4 days ahead of quoted lead time. This is our 4th order. Highly recommended for chloride-exposed structural applications.

了解供应商

飞鸿钢铁有限公司

入驻 Sinoali.com 6 年

所在地:China

Product Display

After more than a decade of continuous investment and innovation, Feihong Steel Co., Ltd. has now developed into a leading enterprise in the industry with a complete industrial chain, a wide range of product specifications, prompt supply, excellent product quality, strong industry influence and good social reputation. Currently, our products are mainly sold to the eastern region of China and over 40 countries and regions, such as Southeast Asia, South Asia, West Asia, Eastern Europe, South America, etc. Our stainless steel series products have consistently ranked among the top in China for many years.

Customer feedback

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可定制 超低价
$1985 1-49 吨 基准价
$1895 50-99 吨 4.5% 优惠
$1855 ≥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$ 1,985.00
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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