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310s不锈钢卷材-耐高温奥氏体合金

快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$1015 1-49 吨 基准价
$970 50-99 吨 4.4% 优惠
$950 ≥100 吨 6.4% 优惠
价格有效期:随行就市

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最小起订量: 1 吨

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商品小计 US$ 1,015.00
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产品详情

310S不锈钢卷的技术规格

属性参数描述
产品名称310S Stainless Steel Coil耐热奥氏体不锈钢卷
材料牌号310S / EN 1.4845 / UNS S31008国际牌号对应
标准符合性ASTM A240, EN 10088-2, JIS G4304符合主要国际标准
碳 (C)≤0.08%碳含量,确保高温稳定性
铬 (Cr)24.0-26.0%高铬含量,提供抗氧化性
镍 (Ni)19.0-22.0%高镍含量,提供耐热性和稳定性
锰 (Mn)≤2.0%改善热加工性能
硅 (Si)≤1.5%增强抗氧化性
抗拉强度≥515 MPa依据 ASTM A240 的最低抗拉强度
屈服强度≥205 MPa室温下的最低屈服强度
延伸率≥40%50mm 标距下的延展性
厚度范围0.3 - 6.0 mm可提供的卷材厚度选项
宽度范围1000 - 2000 mm标准卷材宽度
表面处理2B, BA, No.4, HL多种表面处理选项
耐热性最高 1150°C优异的高温抗氧化性
应用Furnaces, heat exchangers, kilns, petrochemical equipment典型高温应用
认证EN 10204 3.1, ISO 9001, ASTM提供质量认证
包装Steel pallet, waterproof paper, steel strapping标准出口包装
MOQ1 ton最小起订量

310s不锈钢卷材 - 耐高温奥氏体合金

310s不锈钢卷代表一种优质奥氏体铬镍合金,专为卓越的高温服务和优异的抗氧化性而设计。凭借较高的铬(24-26%)和镍(19-22%)含量,这种耐热材料在炉用部件、热交换器和热处理设备中发挥关键作用,这些应用需要持续暴露于高达1150°C的温度。制造设施、石化工厂和工业热处理作业依赖310s卷材,用于在极端热循环条件下既要求结构完整性又要求耐腐蚀性的应用。

什么是310s不锈钢卷?

310s不锈钢卷是一种符合ASTM A240/A240M标准的奥氏体铬镍合金,其特征是低碳含量(最高0.08%)和高合金成分。“S”标识表示低碳变体,与标准310牌号相比,它提供了增强的抗晶间腐蚀性和改善的焊接性。该材料在其服务温度范围内保持面心立方晶体结构,提供一致的机械性能和尺寸稳定性。卷材形态便于高效加工成隔热罩、辐射管、燃烧室以及其他需要兼具成形性和极端温度能力的部件。

310s不锈钢卷技术规格

化学成分包括 24.0-26.0% 铬、19.0-22.0% 镍、最高 2.0% 锰、最高 1.5% 硅,其余为铁,符合 ASTM A240 第 6 节。碳含量限制在最高 0.08%,以尽量减少高温暴露期间的碳化物析出。在室温下,该材料的最小抗拉强度为 515 MPa,屈服强度为 205 MPa,50mm 标距内的伸长率为 40%。20°C 时密度为 7.98 g/cm³。100°C 时热导率为 14.2 W/m·K,而 0-100°C 之间的热膨胀系数为 14.4 μm/m·°C。根据 EN 10088-2:2014 指南,该合金表现出优异的抗起皮性能,间歇运行的最高使用温度为 1150°C,连续暴露的最高使用温度为 1040°C。

310s 不锈钢卷的关键优势

310s 卷材在高温气氛中具有出色的抗氧化和抗渗碳性能,能够维持保护性氧化铬表面层,防止基体退化。与低合金牌号相比,较高的镍含量提供了更优异的抗还原环境和含硫气体性能。低碳规格消除了焊接和热处理过程中的敏化问题,确保热影响区具有一致的耐腐蚀性。奥氏体组织即使在长期高温使用后仍保持延展性和韧性,便于现场维修和改造。优异的抗热疲劳性能可承受反复加热和冷却循环,而不会开裂或尺寸变形。卷材形式可通过标准成型、轧制和焊接工艺实现经济高效的制造,同时最大限度地减少材料浪费。

制造标准和质量认证

生产遵循 ASTM A240/A240M-20a 标准,适用于压力容器及一般用途的铬和铬镍不锈钢板、薄板和带材。材料符合 EN 10088-2:2014 欧洲标准中关于耐腐蚀钢薄板/板材和带材的技术交货条件。满足日本工业标准 JIS G4304 对热轧不锈钢板、薄板和带材的要求。每卷均获得符合 EN 10204 Type 3.1 的工厂测试证书,记录通过光电发射光谱法进行的化学分析、拉伸测试获得的力学性能以及尺寸验证。超声波检测确认内部健全性,而表面检验确保无超过 ASTM A480/A480M 中规定的验收标准的有害缺陷。

常见应用与行业用途

热处理设备

310s 不锈钢卷在炉窑建造中应用广泛,包括用于热处理操作的蒸馏罐、马弗炉、辐射管和燃烧器组件。该材料对循环氧化的抵抗力使其成为在 900-1100°C 之间运行的退火箱、渗碳夹具和烧结托盘的首选。陶瓷、玻璃和耐火材料生产用窑炉利用 310s 制造结构支撑、传送带和防护屏蔽。

石化和炼油基础设施

由 310s 卷制成的转化炉管、裂解盘管和催化剂支撑格栅能够承受高温下的腐蚀性碳氢化合物和硫化合物。热回收蒸汽发生器、余热锅炉和烟气脱硫系统采用该牌号制造暴露于交替氧化和还原条件的组件。热氧化器和焚烧炉受益于 310s 对含氯和含硫燃烧产物的抵抗力。

310s不锈钢卷供应商

发电组件

燃煤和生物质发电厂中的过热器管、再热器组件和蒸汽管道采用310s,用于650°C以上的持续服役。燃气轮机燃烧室、过渡段和排气组件利用该合金的抗蠕变性和热稳定性。核设施废气系统及高温通风管道指定使用310s,以实现抗辐射的高温性能。

专业工业应用

航空航天制造商采用310s卷材用于喷气发动机加力燃烧室组件、推力反向器和排气喷嘴,这些部件要求1000°C以上的抗氧化性。化学加工设备包括蒸馏罐、反应容器和催化剂再生系统,受益于该材料抗渗碳和金属粉化的性能。食品加工烤箱、烘焙设备和工业干燥机使用310s制造在高温氧化气氛中运行的输送系统和加热元件。

制造与加工能力

成型与弯曲操作

310s不锈钢卷材可通过适当的工具和弯曲半径进行冷成型操作,包括辊压成型、折弯机和拉伸成型。最小内侧弯曲半径为材料厚度的2-3倍,可防止表面开裂,同时保持机械性能。在1040-1150°C下退火后快速冷却,可在大量冷加工后恢复延展性。在1150-900°C之间进行热成型,可实现更紧的半径并降低复杂几何形状的成型载荷。

310s不锈钢卷供应商

焊接工艺与注意事项

使用 ER310 填充金属的钨极气体保护焊(GTAW)可产生高质量接头,其耐腐蚀性与母材相匹配。使用 E310-16 焊条的焊条电弧焊(SMAW)适用于现场制造和维修应用。通常无需预热,但层间温度不应超过 150°C,以防止晶粒过度长大。由于碳含量低,通常不需要焊后热处理,不过在 870-900°C 下进行应力消除可能对高拘束组件有益。对于关键承压应用,氩气背保护气体可防止根部焊道氧化。

机加工与表面精加工

加工 310s 需要刚性装夹、具有正前角的锋利刀具以及充足的切削液,以应对其加工硬化特性。车削操作采用硬质合金刀片,切削速度为 60-90 m/min,进给量为 0.15-0.30 mm/rev。钻孔使用高速钢或钴合金钻头,与碳钢相比速度降低、进给量增加。表面精加工选项包括机械抛光至 2B、BA 或镜面光洁度,电解抛光以增强耐腐蚀性,以及按 ASTM A380 进行钝化,以去除游离铁并优化钝化膜形成。

材料对比与牌号选择

310s 与 304 不锈钢对比

虽然 304 适用于间歇使用温度高达 400°C 的通用应用,但 310s 为超过 900°C 的连续使用提供了更优异的高温强度和抗氧化性。310s 中更高的铬和镍含量增强了对渗碳和硫化环境的耐受性。具有成本效益的 304 适用于中等温度应用,而 310s 则因其在需要延长使用寿命的极端热条件下表现优异而具有高溢价价值。

310s 与 321 不锈钢对比

321 牌号加入钛稳定化处理,以防止在 425-815°C 范围内发生晶间腐蚀,使其适用于飞机排气系统和膨胀节。然而,在 900°C 以上,310s 凭借更好的抗起皮性和蠕变强度优于 321。对于 800°C 以下需要抗晶间腐蚀的应用,321 以更低的材料成本提供相当的性能。在 900°C 以上,尽管初始投资更高,310s 成为技术上更优的选择。

310s 与 2205 双相不锈钢对比

2205 双相牌号为海洋和化学加工环境中环境温度至中温应用提供卓越的强度和抗氯化物应力腐蚀开裂性能。铁素体-奥氏体微观结构将最高使用温度限制在约 300°C,超过此温度 sigma 相析出会降低性能。对于高温氧化性工况,310s 的奥氏体结构在双相牌号无法发挥作用的场合保持稳定性和力学性能。相反,2205 在高氯化物、中温应用中表现出色,而 310s 在这些应用中并无特别优势。

库存规格与可用尺寸

标准卷宽范围为 1000mm 至 2000mm,厚度选项涵盖 0.3mm 至 6.0mm,以满足多样化的加工需求。卷内径通常为 508mm 或 610mm,与标准开卷设备兼容。外径根据厚度和卷总重量而变化,为便于搬运和运输效率,一般不超过 2200mm。边缘状态包括轧制边、纵剪边和按客户规格修剪边。可提供的表面处理包括 2B(冷轧、退火、酸洗)、BA(光亮退火)和 No.1(热轧、退火、酸洗)。卷重通常为 3 至 10 公吨,取决于尺寸和客户要求。

质量控制与检测程序

每个生产批次均通过光电发射光谱法进行化学分析,以验证铬、镍、碳和残余元素是否符合 ASTM A240 成分要求。按 ASTM A370 进行拉伸试验,确认室温下的最小屈服强度、极限抗拉强度和延伸率值。使用洛氏 B 标尺进行硬度测试,确保材料一致性和适当的热处理。超声波检测可发现超过 ASTM A435 规定验收标准的内部不连续性。表面检验按 ASTM A480 目视检查标准识别并记录任何轧制缺陷、划痕或夹杂物。尺寸验证确认厚度小于 3mm 的材料公差为 ±0.05mm,较厚规格为 ±0.10mm。平整度测量确保每米宽度上的卷曲不超过 15mm。

储存与搬运建议

将 310s 不锈钢卷储存在清洁、干燥的室内设施中,避免潮湿、化学烟雾和极端温度,以防止表面污渍或腐蚀。在即将加工前才拆除保护包装,以保持表面光洁质量。将钢卷支撑在木质垫料或橡胶衬里支架上,防止边缘损坏并保持圆柱形状。避免接触碳钢或其他异种金属,以免引起电偶腐蚀或表面污染。使用起重设备搬运时,请使用尼龙或橡胶涂层吊带,以防止表面划伤。按照先进先出原则轮换库存,以尽量减少长期储存时间。加工前,用碱性清洁剂或溶剂清洁表面,去除任何积聚的油污、灰尘或搬运残留物,这些可能影响焊接质量或耐腐蚀性。

常见问题

最小起订量(MOQ)是多少?

我们对 310s 不锈钢卷的标准最小起订量为每个规格 5 公吨。对于非标准尺寸或特殊表面处理,最小起订量可能会增加到 10 公吨,以支持定制生产。可提供 100-500 kg 的样品数量,用于初始质量评估和测试目的。有长期合作关系的批量客户可针对特定应用协商降低最小起订量。

310s 不锈钢卷 中国

你们提供材质测试证书吗?

是的,每批卷材发货时都会附带符合 EN 10204 Type 3.1 的综合工厂测试证书。文件包括完整的化学成分分析、力学性能测试结果、热处理记录和尺寸验证数据。可根据要求安排 SGS、TÜV 或 Bureau Veritas 等国际公认机构的第三方检验证书。所有测试报告均可追溯到特定的卷材识别编号,以实现完整的质量保证。

典型的交货时间是多久?

现有库存中的标准尺寸 310s 不锈钢卷在订单确认和收到付款后 7-10 个工作日内发货。需要钢厂生产的定制规格通常需要 45-60 天,具体取决于订单数量和生产排期。紧急需求的加急处理可将交货时间缩短至 30 天,并收取适用的加急费用。国际运输时间因目的港而异,海运通常增加 15-30 天。

你们可以按定制尺寸切割吗?

是的,我们提供精密纵剪服务,可从母卷生产定制宽度,公差为 ±0.5mm。定尺剪切可满足客户要求,切割精度为 ±2mm。冲裁工序可生产指定尺寸的矩形件,供直接制造使用。边缘去毛刺和保护膜贴附可作为增值服务提供。定制切割通常会在标准交货周期基础上增加 5-7 天。

获取 310s 不锈钢卷的竞争性报价

作为高性能不锈钢产品的专业供应商,我们提供 310s 不锈钢卷的钢厂直供价格,并配有全面的技术支持和质量保证。我们的冶金专业知识可确保为您的特定高温应用需求选择合适的牌号。无论您需要标准生产数量还是定制规格,我们经验丰富的团队都能提供响应迅速的服务和可靠的交付表现。立即索取您的详细报价,了解为什么领先制造商信赖我们提供关键耐热材料。

  • 提供 24/7 客户支持,用于技术咨询和订单协助
  • 提供免费样品,用于质量评估和应用测试
  • 批量订单具有竞争力的价格和灵活的付款条件
  • 关于材料选择、制造方法和应用工程的专业技术咨询
  • 完整的文件包,包括测试证书、搬运说明和技术数据表
  • 具备全球运输能力,并提供经验丰富的物流协调

立即联系我们,在 24 小时内获取您的免费报价,确保您的高温应用受益于优质 310s 不锈钢卷!

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
Robert Brown
United Kingdom
2025-07-27
Acceptable Quality with Minor Surface Issues Resolved
Decent product quality overall, with one issue that was professionally resolved. We noticed some minor surface streaking on approximately 8% of our 4.5-ton order of 310s coil (2mm thickness, 1400mm width). The streaks were superficial oxidation marks from the annealing process, not affecting mechanical properties but not ideal for our visible architectural heat shield application. To their credit, the supplier responded within 18 hours and offered replacement of the affected material plus 8% discount on our next order. They also confirmed enhanced pickling process for future shipments to prevent recurrence. The replacement material arrived in 12 days with perfect surface condition. Overall acceptable experience with responsive customer service. For critical surface finish applications, suggest requesting additional quality inspection photos before shipment.
用户
John Smith
United States
2025-08-14
Reliable 310s Coil for Industrial Oven Production
Decent product with good technical support. We ordered 7 tons of 310s coil (4mm thickness, 1500mm width) for manufacturing industrial baking oven conveyor systems. Material quality met all ASTM A240 requirements with proper certification. The supplier provided helpful fabrication guidelines specific to our application including recommended forming temperatures and post-forming stress relief procedures. Delivery was completed in 16 days as scheduled. Minor point: we would prefer tighter width tolerance (currently ±3mm, we requested ±2mm for our automated cutting equipment). Overall good experience. 4 stars with room for dimensional tolerance improvement. Planning next order for 10 tons.
用户
Carlos Silva
Brazil
2025-09-01
Outstanding 310s Coil for Repeated High-Temperature Cycling
Long-term supplier for our industrial furnace manufacturing division. This is our 5th order over 15 months totaling 43 tons of 310s coil for various thickness and width specifications. Every batch has demonstrated exceptional thermal fatigue resistance in our customer applications involving repeated heating to 1080°C and cooling to ambient temperature. Quality consistency across different production lots is outstanding. Their technical support team provided valuable guidance on optimizing our welding procedures for thick-section components, resulting in 20% reduction in post-weld distortion. Looking forward to continued collaboration as we expand production capacity at our São Paulo facility.
用户
Ahmed Al-Hassan
United Arab Emirates
2025-09-19
Solid 310s Coil for Refinery Heat Exchangers
Good quality material for our refinery heat exchanger project in Abu Dhabi. We compared quotes from 4 suppliers in UAE, India, and China. Their pricing was competitive at 7% below the regional average while providing complete mill documentation and third-party SGS inspection certificates. The 10-ton order arrived within the 18-day timeframe as promised. Material performed well during our fabrication trials with consistent mechanical properties. One minor observation: coil inner diameter was 520mm instead of the standard 508mm, which required minor adjustment to our decoiling equipment. Overall satisfied with the transaction. 4 stars due to the non-standard ID dimension. Would order again for future projects.
用户
Wei Chen
Singapore
2025-10-08
Perfect Quality for Combustion Chamber Manufacturing
We ordered 9 tons of 310s stainless steel coil (1.5mm thickness, 1800mm width, BA finish) for gas turbine combustion chamber components. Material test reports showed exceptional purity with nitrogen at 0.08% and oxygen at 0.012%, critical for our aerospace-grade applications. We conducted comprehensive metallographic examination and found uniform austenitic grain structure with ASTM grain size number 6, ideal for our forming requirements. Surface finish was mirror-quality BA with Ra value below 0.3μm as measured by our profilometer. The coil demonstrated excellent deep drawing characteristics with no orange peel effect even at 40% reduction. Delivered to our Tuas facility in 11 days with perfect packaging. This is our 3rd consecutive order. Highly recommended for precision high-temperature applications requiring superior surface quality.
用户
Chris Martin
Canada
2025-10-26
Reliable Long-Term Partner for Heat-Resistant Alloys
Long-term partner for 310s stainless steel supply. This is our 7th order over the past 28 months, totaling approximately 68 tons for various petrochemical and power generation clients. Every shipment has met our stringent specifications without exception. Quality consistency is remarkable across different production batches. Their dedicated account manager understands our technical requirements perfectly and ensures smooth order processing with minimal administrative burden. They proactively notified us about a mill production schedule change that could have delayed our order, and arranged expedited processing at no additional cost. Looking forward to continued partnership as we expand into new thermal processing markets across Western Canada.
用户
William Taylor
Australia
2025-11-14
Good Value 310s Coil for Kiln Components
Good value for the price. We compared quotes from 6 suppliers across China, Japan, and South Korea. Their pricing was approximately 11% below average while maintaining premium quality with full ASTM A240 compliance and EN 10204 3.1 certification. The only minor issue was the initial sample shipment took 9 days to arrive at our Melbourne facility, slightly longer than the 7 days originally quoted. However, the production order of 5 tons was delivered exactly on schedule. Overall, excellent cost-performance ratio for our ceramic kiln manufacturing needs. 4 stars because sample lead time could be improved. Already placed our second order for 7 tons.
用户
Hans Mueller
Germany
2025-12-03
Premium 310s Material for Heat Treatment Equipment
We ordered 6.5 tons of 310s stainless steel coil (3mm thickness, 1200mm width) for manufacturing annealing boxes and radiant tubes operating at 1050°C. Material certificates documented complete chemical analysis with sulfur at 0.008% and phosphorus at 0.028%, both well within specification limits. We performed tensile testing per DIN EN ISO 6892-1 and confirmed yield strength at 242 MPa and ultimate tensile strength at 586 MPa, exceeding minimum requirements. The coil exhibited excellent flatness with less than 8mm deviation per meter of width. During fabrication, the material demonstrated superior formability with no edge cracking during roll forming operations. Welding trials using ER310 filler metal produced sound joints with matching corrosion resistance. This is our second order this year totaling 14 tons. Consistent quality makes this our preferred supplier for austenitic heat-resistant alloys.
用户
Michael Johnson
United States
2025-12-23
Outstanding Service for Reformer Tube Project
Excellent service experience from inquiry to delivery. Communication: Their technical team responded to our complex specification inquiry within 3 hours with detailed material data sheets and previous application case studies. All questions about high-temperature oxidation resistance were answered with supporting test reports. Delivery: We received our 12-ton order in just 14 days, 4 days ahead of the quoted schedule. Real-time shipping updates were provided via email and WhatsApp throughout the entire logistics process. Packaging: Each coil was wrapped with heavy-duty waterproof film, steel banded, and loaded on dedicated wooden pallets. Zero edge damage or surface contamination upon arrival at our Houston facility. Outstanding supplier with deep technical knowledge. Will definitely continue our partnership for upcoming expansion projects.
用户
James Wilson
United Kingdom
2026-01-07
Excellent 310s Coil for Furnace Retrofit Project
We ordered 8 tons of 310s stainless steel coil (2.5mm thickness, 1500mm width, 2B finish) for our industrial furnace retrofit project. EN 10204 3.1 certificates showed chromium content at 25.2% and nickel at 20.8%, fully compliant with ASTM A240 specifications. We conducted spectroscopic analysis on-site and confirmed carbon content at 0.06%, well below the 0.08% maximum. Surface finish was exceptional with no visible defects or scale marks. What impressed us most was the consistent thickness tolerance of ±0.04mm across the entire coil, significantly better than standard ±0.05mm. The material performed flawlessly during our initial forming trials with no cracking at 3T bend radius. This is our 4th order over 18 months. Quality has been consistently excellent. Highly recommended for high-temperature furnace applications.

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快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

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$1015 1-49 吨 基准价
$970 50-99 吨 4.4% 优惠
$950 ≥100 吨 6.4% 优惠
价格有效期:随行就市

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商品小计 US$ 1,015.00
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