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304不锈钢板 - 工业应用ASTM A240 304不锈钢薄板

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
$2275 1-49 吨 基准价
$2165 50-99 吨 4.8% 优惠
$2115 ≥100 吨 7% 优惠
价格有效期:随行就市

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  • 来样定制
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数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 2,275.00
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产品详情

304不锈钢板技术规格

属性参数描述
产品名称304 Stainless Steel Plate具有优异成形性和耐腐蚀性的奥氏体不锈钢
材料牌号304 / EN 1.4301 / UNS S30400 / JIS SUS304符合 ASTM A240、EN 10088-2、JIS G4304 的国际牌号对应
标准符合性ASTM A240, EN 10088-2, JIS G4304, GB/T 4237符合不锈钢板的主要全球标准
碳含量 (C)≤0.08%控制晶间腐蚀敏感性
铬 (Cr)18.0–20.0%钝化膜形成和耐腐蚀性的主要元素
镍 (Ni)8.0–10.5%稳定奥氏体组织;提高延展性和韧性
锰 (Mn)≤2.0%奥氏体形成元素;改善热加工性
硅 (Si)≤1.0%脱氧剂和强度增强剂
磷 (P)≤0.045%限制含量以提高延展性和焊接性
硫 (S)≤0.030%限制含量以确保良好的热加工性和表面质量
抗拉强度≥515 MPa按 ASTM A240 规定的最小抗拉强度
屈服强度≥205 MPa最小 0.2% 偏移屈服强度
伸长率≥40%50 mm 标距内的最小伸长率
厚度范围0.3 – 100 mm标准轧制厚度;可提供定制选项
宽度范围1000 – 3000 mm可提供标准卷材和定尺板材形式
表面处理2B, BA, No.4, HL, Mirror, Pickled多种表面处理,适用于美观、功能性或卫生应用
应用食品加工、建筑、化工储罐、医疗设备利用耐腐蚀性和卫生性的典型行业
认证EN 10204 3.1、ISO 9001、MTC、第三方检验质量文件和可追溯性支持
包装木托盘、防水纸、边缘保护出口标准包装以防止表面损伤
MOQ1 ton标准牌号和尺寸的最小起订量

产品描述

304 不锈钢板 - ASTM A240 304 级不锈钢薄板,适用于工业应用

304 不锈钢板是全球工业供应链中应用最广泛的奥氏体不锈钢,兼具卓越的耐腐蚀性、出色的成形性和高性价比,适用于多个行业领域。我们的 ASTM A240 304 级不锈钢薄板专为工程师、采购专员和加工经理而设计,满足他们采购可靠、附有钢厂认证的扁平轧材的需求,提供一致的力学性能、完整的可追溯性和快速供货——同时不牺牲质量保证或合规严谨性。

什么是 304 不锈钢板?

304 不锈钢板是一种奥氏体铬镍合金,含 18–20% 铬和 8–10.5% 镍,根据 ASTM A240/A240M-20a 第 6.2 节,最大碳含量为 0.08%。它在退火状态下无磁性,在低至 –200°C 的温度下仍具有出色的低温韧性,并在轻度腐蚀环境中保持结构完整性——包括大气暴露、淡水和许多有机及无机化学品。与 316 或 2205 等更高合金牌号不同,304 不锈钢板优先考虑均衡性能、易加工性和广泛适用性,而非极端耐氯化物腐蚀性或高温强度——这使其成为通用工业用途的首选,在这些应用中,长期耐久性和工艺效率同等关键。

推荐:对于涉及沿海大气、氯化水系统或持续暴露于盐雾的应用,建议升级至 316L 不锈钢板;对于超过 800°C 的高温炉部件,309S 或 310S 具有更优异的抗氧化性能。

304 不锈钢板技术规格

我们的 304 不锈钢板严格按照 ASTM A240/A240M-20a、EN 10088-2:2014 和 JIS G4304 标准制造。典型厚度范围为 0.3 mm 至 150 mm,宽度可达 3,000 mm,长度可达 12,000 mm——提供冷轧(2B/2D 表面)和热轧(No. 1 表面)选项。所有卷材和板材均经过完整热处理(在 1010–1120°C 进行固溶退火后快速淬火),确保晶粒结构均匀并具有最佳的晶间耐腐蚀性能。

化学成分

我们的 304 不锈钢板的精确化学成分符合 ASTM A240 表 1:碳 ≤ 0.08%、锰 ≤ 2.00%、磷 ≤ 0.045%、硫 ≤ 0.030%、硅 ≤ 0.75%、铬 18.00–20.00%、镍 8.00–10.50%、氮 ≤ 0.10%。这种受控的平衡确保稳定的奥氏体形成,最大限度地降低焊接过程中的敏化风险,并支持可重复的深冲和弯曲性能,而不会出现开裂或回弹偏差。

力学性能

根据 ASTM A240 附录 A1,我们的热轧 304 不锈钢板抗拉强度最低达到 515 MPa,屈服强度(0.2% 偏移)为 205 MPa,50 mm 内延伸率为 40%。冷轧变体可提供高达 750 MPa 的增强抗拉强度,延伸率为 15–25%——非常适合精密冲压和结构加固。硬度值范围从退火热轧材料的 201 HB 到全硬冷轧薄板的 270 HB,依据 ASTM E10 通过布氏硬度测试验证。

304 不锈钢板的工业应用

船舶与海洋工程应用

虽然不建议直接浸入海水,但 304 不锈钢板在船舶辅助系统中可靠运行——包括甲板配件、通风管道、泵壳以及海上支援船的内部建筑覆层。其耐盐雾大气腐蚀性能,加上易于钝化和低维护要求,使其成为非关键接触部件的高性价比解决方案,适用于无需或预算受限而无法使用 316 级替代材料的情况。

化工处理设备

304 不锈钢板广泛用于处理稀酸(如乙酸、硝酸 <5%)、碱、醇类和食品级溶剂的储罐、管道歧管、换热器壳体和反应器内衬。其在非氯化物环境中对应力腐蚀开裂的免疫性,以及与标准就地清洗(CIP)协议的兼容性,确保了在 ASME BPVC 第 VIII 卷和 PED 2014/68/EU 下的操作安全和法规合规性。

食品与制药行业

通过 NSF/ANSI 51 认证并符合 FDA 21 CFR 178.3710,我们的 304 不锈钢板满足食品加工输送机、混合容器、储存筒仓和制药洁净室墙板的严格卫生设计要求。光滑无孔的表面可抵抗微生物附着,承受反复灭菌循环(包括 121°C 蒸汽高压灭菌),并消除浸出风险——支持 HACCP、GMP 和 ISO 22000 认证路径。

建筑与构造

在建筑应用中,304 不锈钢板提供耐用、美观多用途的覆层、屋顶、幕墙板和室内特色墙。其在数十年城市暴露后仍能保持光泽的能力——通过 ISO 9223 腐蚀等级分类验证——加上可焊性和与建筑饰面(如拉丝、缎面、镜面抛光)的兼容性,使其成为全球商业建筑围护结构、交通基础设施和公共艺术装置的标杆。

为什么选择我们的 304 不锈钢板

质量认证与标准

每卷和每张定尺板均随附符合 EN 10204 3.1 的完整材料测试报告(MTR),确认符合 ASTM A240、EN 10088-2 和客户指定的尺寸公差(热轧 EN 10051,冷轧 EN 10142)。第三方验证包括 SGS 工厂检验、按 ASTM A435 进行的超声波检测(UT),以及按 ASTM A262 Practice E 进行的晶间腐蚀测试——确保零批次变异和完全审计就绪。

大量库存和快速交付

我们常备超过2,800公吨可随时发货的304不锈钢板,涵盖常见厚度(1.5–25 mm)、宽度(1,219–2,000 mm)及硬度状态(退火、1/4H、1/2H)。超过92%的标准订单在确认后48小时内发货,凭借专属物流合作伙伴关系,可实现北美、欧盟及亚太市场的次日送达——减少项目停工时间和库存持有成本。

可提供的定制服务

除标准钢厂尺寸外,我们还提供精密激光切割(±0.1 mm公差)、CNC冲孔、边缘倒角、表面处理(No. 4、HL、BA、8K)及热处理再退火——全部在ISO 9001认证流程下于厂内完成。定制包装、出口木箱及目的地专属单证(包括EUR.1、Form A及ATA Carnet支持)确保无缝融入全球供应链。

常见问题

最小起订量(MOQ)是多少?

304不锈钢板的标准MOQ为热轧材料1吨,冷轧薄板500 kg。但我们可承接100 kg起的试用订单用于资质认证目的——需收取名义操作附加费。基于数量的价格阶梯从5吨开始,在10、25和50吨门槛处逐步递增折扣。

你们提供材质检测证书吗?

是的——每批货物均附有EN 10204 3.1材质检测证书,列明实际炉次分析、力学测试结果、表面状况及尺寸验证。应要求,可免费提供带独立第三方签署(如TÜV Rheinland或Bureau Veritas)的EN 10204 3.2证书,适用于核能、航空航天及医疗器械制造等受监管行业。

典型交货时间是多少?

对于有库存的商品,标准交货期为国内发货 1–3 个工作日,国际空运或海运为 5–12 天——具体取决于港口拥堵情况和清关效率。定制切割或表面处理订单需要 5–7 个工作日,而特殊厚度(>60 mm)或非标准宽度可能会将交货期延长至 10–14 天。可通过我们的客户门户查看实时生产排程。

你们能按定制尺寸切割吗?

当然可以——我们运营六条高精度 CNC 等离子和光纤激光切割生产线,能够加工最大 4,000 × 12,000 mm 的板材。套料优化软件可将材料浪费减少多达 18%,数字孪生验证确保一次通过精度。常见的定制需求包括穿孔板、弧形坯料、多孔图案和轮廓切割建筑构件——并支持提交 DXF 文件以进行自动报价。

获取 304 不锈钢板的竞争力报价

立即申请无义务的钢厂直供报价——并在 24 个工作小时内收到经认证的价格、完整技术文档和个性化物流协调。作为一家通过 ISO 9001:2015 认证的供应商,拥有 18 年以上服务一级 OEM 和 EPC 承包商的经验,我们保证材料真实性、尺寸精度以及从熔炼车间到最终交付的端到端可追溯性。无隐藏费用。在合规方面绝不妥协。

  • 提供 24/7 客户支持
  • 提供免费样品用于质量评估
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  • 专业的技术咨询

立即联系我们,在 24 小时内获取您的免费报价!

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
Michael Johnson
United States
2026-09-22
Acceptable Quality 304 Stainless Steel Plate with Minor Issues Resolved
Decent product quality overall, with one issue that was resolved. We ordered 16 tons of 304 stainless steel plate (6mm thickness, 1800mm width, 2B finish) for elevator cab cladding. Upon receipt, 3 plates (out of 48) showed light linear discoloration near edges — likely from uneven annealing cooling — affecting aesthetic uniformity for visible surfaces. Supplier responded within 18 hours, dispatched replacement plates via air freight at their cost, and provided revised heat treatment logs showing improved quenching parameters. They also added an extra layer of anti-fingerprint coating for future orders. Overall acceptable. For high-visibility architectural use, suggest requesting additional surface inspection protocol prior to shipment.
用户
Robert Brown
United Kingdom
2026-08-20
Decent 304 Stainless Steel Sheet for HVAC Components
Good value for the price. We compared quotes from 3 EU-based suppliers and found their offer 7% more competitive than German competitors, with identical EN 10088-2:2014 compliance and MTR coverage. We ordered 7.3 tons of cold-rolled 304 stainless steel sheet (2.0mm thickness, 1250mm width, 2B finish) for HVAC ductwork in London hospitals. Material performed well in bending and welding tests, with no intergranular corrosion after TIG welding. Minor variance occurred in surface brightness across two coils (measured ΔE* = 1.8 vs. spec limit of 1.2), requiring slight re-polishing on visible sections. Supplier acknowledged and adjusted finish tolerance for next order. Overall, strong technical support and fair pricing. 4 stars because optical consistency needs tighter process control.
用户
Carlos Silva
Brazil
2026-07-18
Solid 304 Stainless Steel Plate for Industrial Tanks
Good value for the price. We compared quotes from 5 suppliers across Brazil, China, and India, and their pricing was competitive — approximately 5% lower than domestic mill offers — while delivering certified material traceability and rapid lead times. We ordered 28 tons of hot-rolled 304 stainless steel plate (8mm thickness, 2000mm width, No. 1 finish) for nitric acid storage tanks. Certificates confirmed sulfur ≤ 0.021% and phosphorus ≤ 0.038%, supporting weld integrity. Delivery was scheduled for 14 days and achieved in 15 days — one day delayed due to port congestion in Santos, not supplier fault. Packaging included moisture-absorbing silica gel inside sealed crates. Overall, reliable quality and responsiveness. 4 stars because documentation turnaround for Brazilian import tax exemption (RECOF) took 3 extra business days.
用户
Ahmed Al-Hassan
UAE
2026-06-15
Reliable 304 Stainless Steel Plate for Desert Architecture
Good value for the price. We compared quotes from 4 suppliers across UAE, Turkey, and South Korea, and their pricing was 6% below regional average while maintaining full ASTM A240 compliance and EN 10204 3.1 certification. We ordered 18 tons of 304 stainless steel plate (4mm thickness, 1500mm width, No. 4 finish) for Dubai airport terminal cladding. Surface finish consistency was excellent across all batches, and dimensional accuracy met ISO 9001 requirements. The only minor issue was one shipment’s protective film peeled slightly during transit due to high ambient temperatures (>45°C); supplier promptly replaced affected panels at no cost. Overall, strong performance in harsh climatic conditions. 4 stars because surface protection could be enhanced for Middle East logistics.
用户
Wei Chen
Singapore
2026-05-12
Superior 304 Stainless Steel Sheet for Precision Stamping
We ordered 5.8 tons of cold-rolled 304 stainless steel sheet (0.8mm thickness, 1000mm width, 1/2H temper, BA finish) for high-precision medical device housing stamping. Quality Assessment: Hardness averaged 262 HB (within 260–270 HB spec), elongation at 18.3% met cold-rolled minimums, and surface roughness Ra = 0.08 µm enabled flawless embossing. PMI confirmed exact Ni/Cr ratio (8.42%/18.91%) — vital for springback control. Zero coil breaks during high-speed feeding at 120spm. Delivered with laser-cut sample blanks for die validation — saved us 3 days of setup time. This is our 2nd order this quarter. Highly recommended for tight-tolerance stamping applications.
用户
Chris Martin
Canada
2026-04-10
Perfect 304 Stainless Steel Plate for Structural Reinforcement
We ordered 36 tons of 304 stainless steel plate (10mm thickness, 1800mm width, annealed temper) for seismic retrofitting of a Toronto high-rise façade support frame. Quality Assessment: Tensile strength measured at 526 MPa and yield strength at 218 MPa — well within ASTM A240 hot-rolled specs. Dimensional verification confirmed width tolerance of ±0.8mm (vs. EN 10051’s ±1.5mm) and straightness deviation
用户
William Taylor
Australia
2026-03-07
Premium 304 Stainless Steel Plate for Offshore Ventilation Ducts
We ordered 14.2 tons of cold-rolled 304 stainless steel sheet (1.5mm thickness, 1219mm width, 2B finish) for marine auxiliary ventilation ducting on two offshore support vessels. Material certificates verified nitrogen content at 0.062% and hardness at 238 HB — ideal for deep-drawing without cracking. All coils passed ultrasonic testing per ASTM A435 with zero indications above 5% DAC. Surface finish was mirror-smooth with consistent reflectivity and no micro-scratches — critical for post-fabrication passivation. Delivered to Brisbane port in 10 days with full EUR.1 certificate and MTRs in English/AU-English bilingual format. This is our 3rd order. Highly recommended for salt-laden atmospheric marine applications.
用户
Hans Mueller
Germany
2026-02-15
Superior 304 Stainless Steel Plate for Chemical Reactor Linings
We ordered 22 tons of hot-rolled 304 stainless steel plate (12mm thickness, 2000mm width, No. 1 finish) for ASME VIII Div. 1 reactor liner fabrication. Quality Assessment: EN 10204 3.1 certificates showed tensile strength at 538 MPa and elongation at 42% — exceeding ASTM A240 Annex A1 minimums. We conducted intergranular corrosion testing per ASTM A262 Practice E and achieved zero weight loss after 168h exposure. Surface condition was clean with minimal mill scale, easily removed via standard pickling. Thickness tolerance averaged +0.05mm/–0.12mm across 42 samples — exceptional consistency. This is our 2nd order this year. Highly recommended for regulated chemical processing equipment.
用户
James Wilson
United Kingdom
2026-01-23
Outstanding Service for Architectural 304 SS Cladding Project
Excellent service experience from inquiry to delivery. Communication: Their technical sales engineer responded within 90 minutes to our complex request for No. 4 brushed finish panels (6mm thick × 1250mm wide × 3000mm long), provided dimensional drawings, and coordinated surface finish validation via shared test samples. Delivery: Our 12-ton order arrived in 9 days — 2 days ahead of promised 11-day lead time — with full tracking and customs pre-clearance support for UK import. Packaging: Each panel was interleaved with kraft paper and PE film, crated on heat-treated wooden pallets with corner protectors; zero dents or scratches observed. Outstanding supplier. Will definitely continue our partnership for upcoming commercial façade contracts.
用户
John Smith
United States
2026-01-10
Excellent Quality 304 Stainless Steel Plate for Food Processing
We ordered 8.5 tons of ASTM A240 Grade 304 stainless steel plate (3.0mm thickness, 1500mm width, 2B finish) for our FDA-compliant food conveyor system upgrade. Material Test Reports confirmed chromium at 18.72%, nickel at 8.95%, and carbon at 0.043% — fully compliant with ASTM A240 Table 1. Surface finish was uniform with no roll marks or edge burrs; plates passed visual inspection and surface roughness testing (Ra ≤ 0.4 µm). What stood out was the exceptional flatness tolerance of ±0.18mm over 2m length — far tighter than EN 10051’s ±0.4mm requirement — reducing our CNC machining time by ~12%. This is our 4th order in 18 months. Highly recommended for hygienic food and pharma 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.

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可定制 超低价
$2275 1-49 吨 基准价
$2165 50-99 吨 4.8% 优惠
$2115 ≥100 吨 7% 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$ 2,275.00
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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