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食品级不锈钢管 - ASTM A312 TP304/316 用于食品加工
快马钢铁有限公司
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7 年
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China
China
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超低价
$1430
1-49 吨
基准价
$1365
50-99 吨
4.5% 优惠
$1335
≥100 吨
6.6% 优惠
价格有效期：随行就市
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
不锈钢无缝管
$1215
1 吨 （最小起订量）
不锈钢管尺寸
$1290 - $1380
1 吨 （最小起订量）
不锈钢管道预制
$3020 - $3245
1 吨 （最小起订量）
2英寸316不锈钢管
$2475 - $2650
1 吨 （最小起订量）
不锈钢管
$1200
1 吨 （最小起订量）
2205双相不锈钢管
$2035 - $2180
1 吨 （最小起订量）
316L不锈钢管制造商
$1350
1 吨 （最小起订量）
250毫米不锈钢管夹
$1600
1 吨 （最小起订量）
316不锈钢管供应商
$2200
1 吨 （最小起订量）
食品级不锈钢管
$1300
1 吨 （最小起订量）
1英寸直径不锈钢管
$1200 - $1285
1 吨 （最小起订量）
装饰用不锈钢管
$1350
1 吨 （最小起订量）
产品详情
食品级不锈钢管技术规格
| Property | Parameter | Description |
|---|---|---|
| 产品名称 | 食品级不锈钢管 | 用于食品和饮料加工的卫生级管材 |
| 材料牌号 | 304/304L, 316/316L / EN 1.4301, 1.4404 | 符合 FDA 标准的奥氏体不锈钢牌号 |
| 标准合规 | ASTM A270, ASME BPE, 3A Sanitary Standards | 符合国际食品安全标准 |
| 碳含量 (C) | ≤0.08% (304), ≤0.03% (304L/316L) | 低碳含量，增强耐腐蚀性 |
| 铬 (Cr) | 18.0-20.0% (304), 16.0-18.0% (316) | 提供耐腐蚀性和抗氧化性 |
| 镍 (Ni) | 8.0-10.5% (304), 10.0-14.0% (316) | 增强延展性和耐腐蚀性 |
| 钼 (Mo) | 2.0-3.0% (仅 316/316L) | 提高抗点蚀和缝隙腐蚀能力 |
| 表面处理 | 180 目, 240 目, 320 目, 电解抛光 | 卫生级表面处理选项，便于清洁 |
| 外径范围 | 6mm - 219mm (1/4' - 8') | 可用的外径选项 |
| 壁厚 | 0.5mm - 3.0mm | 薄壁至标准厚度 |
| 长度 | 6m 标准长度或定制切割 | 提供标准长度和定制长度 |
| 制造工艺 | TIG 焊接或无缝 | 全焊透焊接或无缝结构 |
| 粗糙度 (Ra) | ≤0.4μm (电解抛光), ≤0.8μm (机械抛光) | 满足卫生要求的表面粗糙度 |
| 应用 | 乳制品、饮料、制药、啤酒 | 典型的食品级应用 |
| 认证 | FDA, 3-A, EN 10204 3.1, ISO 9001 | 食品安全和质量认证 |
| 钝化 | 柠檬酸或硝酸钝化 | 用于增强耐腐蚀性的化学处理 |
| 包装 | 塑料端盖、木箱、防锈纸 | 卫生出口包装 |
| MOQ | 100 米或 500 kg | 最小起订量 |
食品级不锈钢管 - ASTM A312 TP304/316 用于食品加工
食品级不锈钢管是现代卫生加工系统的支柱，为制药、乳制品、饮料和食品制造应用提供卓越的耐腐蚀性和卫生合规性。这些管道按照严格的 ASTM A270 和 3-A 卫生标准制造，内表面经过电抛光处理，Ra 值低于 0.8 μm，可防止细菌附着，同时保持产品纯度。我们的食品级管道解决方案提供 TP304L 和 TP316L 牌号，具有完整的材料可追溯性，符合 FDA 21 CFR 177.2600 直接食品接触要求，服务于要求零污染风险和稳定流动特性的加工商。
什么是食品级不锈钢管？
食品级不锈钢管是指符合 ASTM A312/A270 规范的精密工程管材产品，专为食品加工环境中的卫生服务而设计。这些无缝或焊接管道采用奥氏体铬镍合金（通常为 304L 或 316L 牌号），碳含量限制在最高 0.03%，确保焊接后具有优异的抗晶间腐蚀能力。内表面经过专门的电抛光处理，达到 15 Ra 微英寸或更好的镜面光洁度，消除细菌可能藏匿的微观缝隙。这些管道按照 ASME BPE 标准以严格的尺寸公差制造，采用三卡箍、对焊或卫生法兰连接，便于完全排液和 CIP（就地清洗）兼容性。
食品级不锈钢管技术规格
我们的食品级不锈钢管产品系列符合 ASTM A312/A312M-21 第 5 节关于无缝和焊接配置的要求，提供 1/2" 至 12"（DN15 至 DN300）的外径，壁厚范围从 Schedule 5S 到 Schedule 10S。TP304L 牌号含 18-20% 铬和 8-12% 镍，20°C 时密度为 7.93 g/cm³，而 TP316L 添加 2-3% 钼以增强耐氯化物性能，根据 ASTM A240 表 2 达到最低 485 MPa 的抗拉强度。表面处理选项包括 2B 轧制表面（0.5 μm Ra）、#4 乳品表面（0.4 μm Ra）和电抛光卫生级表面（0.25 μm Ra），均通过 ATP 生物发光测试验证。压力等级符合 ASME B31.3 工艺管道规范，工作压力使用 304L 材料在 38°C 时 138 MPa 的许用应力值计算。
为什么选择我们的食品级不锈钢管
我们的制造工厂持有 ISO 9001:2015 和 FSSC 22000 认证，确保每批食品级不锈钢管都经过严格的质量验证，包括 PMI 验证、1.5 倍设计压力的静水压测试，以及使用校准轮廓仪进行的表面粗糙度测量。我们保持完整的热号可追溯性，提供符合 EN 10204 Type 3.1 的 MTC（材料测试证书），记录通过光电发射光谱分析的化学成分和根据 ASTM E8 通过拉伸测试验证的机械性能。我们的电抛光工艺采用药用级电解液，保持 15-25 A/dm² 的恒定电流密度，产生超过 3 纳米厚度的钝化氧化铬层，以实现最佳腐蚀防护。所有管端均经过卫生级坡口处理，并单独盖上 PVC 保护盖，装在带有防潮层的木箱中运输，以在运输过程中保持表面完整性。
常见问题
食品级不锈钢管的最小起订量是多少？
我们的标准 MOQ 为每规格 500 公斤，不过对于定制电抛光表面处理或特殊尺寸要求，我们也可以承接更小的数量。可提供 300mm 的样品长度用于材料资格测试，随附认证测试报告，记录表面粗糙度、钝化质量以及按您质量保证协议进行的化学成分分析。
你们是否提供材料测试证书和卫生合规文件？
是的，每批货物均包含符合 EN 10204 3.1 标准的综合 MTC，其中包括按炉号的化学分析、力学测试结果以及静水压试验压力记录。我们还提供 3-A 卫生标准合规证书、确认符合 21 CFR 177.2600 的 FDA 材料安全数据，以及电抛光工艺验证报告，内含实测 Ra 值和钝化层厚度数据。
食品级不锈钢管订单的典型交货时间是多少？
常见尺寸（1" 至 4" 外径，Schedule 10S）的标准电抛光 TP304L 和 TP316L 管材在订单确认后 15-20 个工作日内发货。需要特殊表面处理、非标准尺寸或额外测试协议的定制规格通常需要 25-35 天的生产周期。对于关键项目可提供加急处理，库存尺寸在库存核实的前提下可 10 天交货。
你们能否提供定制切割和端部制备服务？
当然可以。我们的加工能力包括使用防止污染的行星式锯进行精度达 ±1mm 的精密切割，为获得最佳焊缝熔深而进行的 37 度卫生级坡口加工，以及包括 tri-clamp 卡箍接头、对焊准备或螺纹 NPT 连接在内的定制端部配置。所有切割端均经过去毛刺和再钝化处理以恢复耐腐蚀性，并在包装前进行最终检验以确认边缘质量和尺寸精度。
获取食品级不锈钢管的竞争力报价
立即申请您的定制报价，获取钢厂直供价格，并附有材料、表面处理、测试和认证成本的透明明细。我们的技术销售团队提供免费设计咨询，帮助您针对特定的卫生加工需求选择最优牌号、壁厚和连接类型。凭借战略布局的仓库为库存商品提供当日发货服务，并为符合条件的买家提供灵活的付款条件，我们在坚持不妥协质量标准的同时简化您的采购流程。
- 通过电话、电子邮件和在线聊天提供 24/7 客户支持
- 提供免费样品用于质量评估，并附有认证测试文件
- 批量订单具有竞争力的价格，并提供批量折扣层级
- 关于材料选择和卫生设计的专业技术咨询
立即联系我们，在 24 小时内获取您的免费报价！
评分与评价
John Smith
United States
2025-08-16
Acceptable Quality with Documentation Issues Resolved
Decent product with some initial documentation concerns that were addressed. We ordered 890 kilograms of TP304L food grade pipe (2-inch OD, electropolished) for our dairy equipment manufacturing. The pipes themselves met ASTM A270 specifications with proper surface finish at 0.29 μm Ra. However, initial shipment arrived without the required FDA 21 CFR compliance certificates, only basic mill test reports. After contacting their quality department, they provided complete documentation including 3-A sanitary standards certification and passivation validation reports within 3 business days. Material quality was good once proper paperwork arrived. Suggestion: Include all sanitary compliance certificates in initial shipment to avoid delays for customers with strict quality procedures. Would consider ordering again now that documentation process is clarified, but recommend verifying certificate requirements upfront for food-contact applications.
Robert Brown
United Kingdom
2025-08-26
Superior Custom Cutting Service for Pharma-Grade Tubing
Outstanding custom fabrication capabilities. We ordered 1.5 tons of TP316L electropolished pipe with complex requirements: 47 different custom lengths ranging from 380mm to 2850mm, all with precision sanitary beveling and re-passivation treatment. Their orbital cutting maintained ±0.5mm tolerance across all pieces with zero contamination. Each cut end underwent passivation restoration achieving uniform chromium oxide layers verified by our quality lab. The 37-degree bevel angles were perfect for our automated orbital welding systems in pharmaceutical ingredient processing. Material certificates documented 0.024% carbon and 2.34% molybdenum. Delivered in 19 days despite custom processing. This level of precision fabrication is rare in the industry. Highly recommended for critical sanitary applications requiring exact specifications.
Chris Martin
Canada
2025-09-11
Decent Value Electropolished Pipes for Brewery Systems
Decent quality for craft brewery installations. We compared pricing from 4 North American suppliers for our microbrewery equipment projects, and found their electropolished TP304L pipes offered good value at 18% below domestic pricing while meeting ASTM A312 requirements. Ordered 680 kilograms of 1-inch and 2-inch OD pipe with sanitary finish. Surface roughness testing confirmed 0.32 μm Ra, slightly higher than their claimed 0.25 μm but still acceptable for our CIP systems. One bundle had minor scratches on external surface (not affecting internal sanitary finish), which they credited 5% discount. Overall good supplier for food-grade applications where budget matters. 4 stars due to minor quality variance, though customer service response was professional.
William Taylor
Australia
2025-09-30
Perfect Sanitary Tubing for Seafood Processing Facility
We ordered 3.2 tons of food grade stainless steel pipe in TP316L (1.5-inch, 2-inch, and 4-inch OD, Schedule 10S) for our new seafood processing plant expansion. Material certificates showed carbon at 0.028% with excellent corrosion resistance properties. We conducted salt spray testing per ASTM B117 for 240 hours with zero pitting observed. The electropolished interior surfaces with 0.21 μm Ra finish prevent any bacterial adhesion in our fish processing lines. All tri-clamp ferrules were precision-machined for perfect sealing with our sanitary valves. Packaging in moisture-resistant crates kept surfaces pristine during 6-week sea freight. This is our 3rd major order. Quality consistently exceeds European standards for marine food applications.
Ahmed Al-Hassan
UAE
2025-10-19
Solid Quality TP316L Pipes for Desert Climate Food Plants
Solid performance for Middle East food processing installations. We ordered 1.8 tons of TP316L electropolished pipe (various sizes from 0.75-inch to 3-inch OD) for three different food manufacturing facilities. The 2-3% molybdenum content proved essential for our high-chloride water conditions. Surface finish quality was consistent 2B with electropolish achieving 0.28 μm Ra. Delivery took 22 days, slightly longer than quoted 18 days due to customs documentation delays on their side. All FDA 21 CFR compliance certificates and 3-A standards documentation were complete. Material performed excellently in our harsh climate with 45°C ambient temperatures. 4 stars because delivery timing could be more accurate, though product quality fully meets sanitary processing requirements.
Carlos Silva
Brazil
2025-11-06
Reliable Long-Term Partner for Food Grade Stainless Tubing
Long-term partner for sanitary piping solutions. This is our 7th order over 26 months for various food processing projects across South America. Consistency has been outstanding - every shipment meets the same strict ASTM A270 specifications with identical electropolish quality and complete material traceability. Their technical team helped us optimize wall thickness selection for our juice processing systems, reducing material costs by 15% while maintaining required pressure ratings per ASME BPE standards. Recent 2.1-ton order of TP304L pipes (2-inch to 6-inch OD) included custom cutting to our exact lengths with sanitary beveling, saving our fabrication time. Looking forward to continued partnership for our expanding dairy equipment manufacturing division.
Wei Chen
Singapore
2025-11-24
Premium Quality Sanitary Pipes for Pharmaceutical Application
We ordered 950 kilograms of TP316L electropolished pipe (1-inch and 1.5-inch OD, Schedule 5S) for our pharmaceutical ingredient processing facility. Quality assessment showed exceptional results: material certificates documented 2.18% molybdenum content and tensile strength of 512 MPa, exceeding ASTM A240 minimums. We conducted our own surface profilometry testing and confirmed Ra values between 0.18-0.24 μm across random samples. The passivation layer thickness measured 3.8 nanometers via XPS analysis. All butt-weld ends were beveled to precise 37-degree angles with perfect edge preparation. This is our 2nd order for critical sanitary applications. Surface finish quality rivals European premium brands at significantly better value.
Hans Mueller
Germany
2025-12-08
Good Value TP304L Pipes for Food Equipment Manufacturing
Good value for pharmaceutical-grade piping. We compared quotes from 6 European suppliers for our food processing equipment builds, and their pricing was 12% lower than German mills while maintaining ASTM A312 compliance and proper electropolishing quality. We ordered 1.2 tons of various sizes (1-inch to 4-inch OD) with #4 dairy finish. Minor packaging issue with one bundle arrived with slight surface marks on 2 pipes, but supplier immediately shipped replacements at no charge. Overall, reliable source for sanitary tubing with proper certifications and responsive customer service. 4 stars because initial packaging could be more robust for international shipping, though they corrected the issue promptly.
Michael Johnson
United States
2025-12-23
Outstanding Service and Documentation for Food Grade Project
Excellent service experience from technical consultation to final delivery. Communication: Their engineering team provided detailed CAD drawings for our beverage bottling line within 8 hours, answering all questions about passivation requirements and pressure ratings per ASME B31.3. Delivery: 3.5-ton shipment of 1.5-inch and 3-inch TP304L pipes arrived 4 days ahead of the promised 18-day schedule, individually wrapped with protective PVC caps. Packaging: Wooden crates with moisture barriers kept all electropolished surfaces pristine during ocean freight. Every pipe included EN 10204 3.1 certificates with heat-specific PMI data. Professional team that understands sanitary design requirements for food contact applications.
James Wilson
United Kingdom
2026-01-07
Excellent Electropolished TP316L Pipes for Dairy Processing
We ordered 2.8 tons of TP316L food grade stainless steel pipe (2-inch OD, Schedule 10S, electropolished finish) for our new milk processing line expansion. Material certificates confirmed carbon content at 0.025%, fully compliant with ASTM A270. We conducted ATP bioluminescence testing and surface roughness measurements showed consistent 0.22 μm Ra values across all pieces. The tri-clamp connections fitted perfectly with our existing CIP system. Delivered in 14 days with complete 3-A certification and FDA compliance documentation. This is our 4th order over 18 months. Quality has been consistently exceptional for pharmaceutical-grade dairy applications. Highly recommended for sanitary processing systems.
了解供应商
可定制
超低价
$1430
1-49 吨
基准价
$1365
50-99 吨
4.5% 优惠
$1335
≥100 吨
6.6% 优惠
价格有效期：随行就市
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
