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201不锈钢管 - ASTM A269/A213无缝与焊接管

快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
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201不锈钢管技术规格

属性参数描述
产品名称201 不锈钢管奥氏体铬镍锰不锈钢管
材料牌号201 / EN 1.4372 / UNS S20100国际牌号对应
标准符合性ASTM A312, ASTM A554, EN 10217-7符合主要国际标准
碳 (C)≤0.15%碳含量用于保证强度
铬 (Cr)16.0-18.0%提供耐腐蚀性
镍 (Ni)3.5-5.5%增强延展性和韧性
锰 (Mn)5.5-7.5%替代镍以降低成本
氮 (N)≤0.25%提高强度和耐腐蚀性
抗拉强度≥520 MPa按 ASTM A554 的最小抗拉强度
屈服强度≥275 MPa最小屈服强度
延伸率≥40%50mm 标距内的延展性
外径范围6mm - 219mm可选外径规格
壁厚0.5mm - 6mm标准及定制厚度
长度6m 或定制标准及定制长度
表面处理2B, BA, No.4, Hairline, Mirror多种表面处理选项
应用装饰、家具、扶手、建筑在非腐蚀环境中作为 304 的经济替代品
认证EN 10204 3.1, ISO 9001, CE提供质量认证
包装捆扎带塑料端盖,木箱标准出口包装
MOQ500 kg最小起订量

201不锈钢管 - ASTM A269/A213无缝与焊接管

201不锈钢管是一种经济高效的奥氏体铬镍锰合金解决方案,专为需要中等耐腐蚀性和结构完整性的应用而设计。该牌号广泛应用于建筑装饰、汽车排气部件、厨房设备和工业管道系统,在这些领域中,预算限制使其成为优于优质304或316牌号的首选。我们的201不锈钢管按照ASTM A269无缝管和ASTM A213焊接管标准制造,以工厂竞争性价格提供可靠性能,并具有优异的成形性和焊接性。

什么是201不锈钢管?

201不锈钢管是一种奥氏体铬镍锰不锈钢产品,根据ASTM A240化学成分要求,含有16-18%铬、3.5-5.5%镍和5.5-7.5%锰。与传统300系列牌号相比,该材料用锰和氮替代部分镍含量,在轻度腐蚀环境中保持足够耐腐蚀性的同时降低了材料成本。该合金在20°C时密度为7.80 g/cm³,根据ASTM规范,抗拉强度最低为515 MPa。

201不锈钢管技术规格

我们的201不锈钢管材按照ASTM A269/A269M-15标准制造无缝配置,按照ASTM A213/A213M-15a标准制造焊接变体。化学成分包括碳含量限制在最高0.15%,锰5.5-7.5%,磷最高0.060%,硫最高0.030%,硅最高1.00%,铬16.0-18.0%,镍3.5-5.5%。机械性能显示屈服强度最低275 MPa,50mm伸长率最低40%,退火状态下布氏硬度不超过217 HB。可用尺寸范围从外径6mm到219mm,壁厚从0.5mm到25mm,以6米标准长度或定制切割规格供应。

201不锈钢管材的主要优势

该牌号在需要增强成形性和深冲能力的应用中发挥关键作用。与碳钢替代品相比,较高的锰含量提供了优异的加工硬化特性,而奥氏体微观结构确保了出色的制造性能。具有成本效益的定价使201成为装饰应用、餐饮服务设备和汽车装饰组件的最佳选择,这些应用暴露于恶劣腐蚀环境的情况有限。

卓越的成形性和制造性能

奥氏体结构实现了出色的冷成形性能,回弹极小,使其成为复杂建筑型材和深冲厨房水槽的理想选择。优异的焊接特性允许TIG、MIG和电阻焊接工艺,在大多数使用条件下无需担心晶间腐蚀。

201不锈钢管材供应商

高端牌号的经济替代方案

用锰替代镍成分,与304不锈钢相比,原材料成本降低约15-20%,同时在非海洋、低氯环境中保持足够的性能。这种以价值为导向的定价结构使201成为注重预算、同时要求美观和中等耐久性项目的首选材料。

适合室内应用的足够耐腐蚀性

虽然不适用于海洋环境或暴露于富含氯化物的条件,但201在大气腐蚀、食品酸以及商业厨房环境和建筑应用中典型的温和化学暴露方面表现出令人满意的耐受性。氧化铬钝化层在受控的室内环境中提供防氧化和防污保护。

常见应用和行业用途

201不锈钢管通常用于建筑扶手、装饰线条、汽车排气系统、商业厨房设备、食品加工机械和轻工业管道。该材料用于住宅建筑的供水系统、HVAC风管、家具框架和展示装置,在这些应用中,美观外观和中等机械强度是主要要求。

建筑和装饰应用

建筑立面、室内栏杆、电梯面板和装饰结构受益于201管材的亮退火表面和经济高效的特性。该材料可抛光至镜面般的光洁度,适用于高可见度的安装。

餐饮服务和厨房设备

商业水槽、台面框架、食品准备台和餐厅设备使用201,因为它符合食品接触标准,并且耐餐饮服务操作中遇到的有机酸和碱性清洁溶液。

汽车和运输部件

公交车和轨道车辆中的排气系统部件、装饰性饰条和结构件充分利用了 201 的成形性和焊接性,同时满足交通运输应用中的减重目标。

常见问题

最小起订量(MOQ)是多少?

我们 201 不锈钢管的标准最小起订量为每规格 1 公吨。对于常见尺寸的现货规格,我们可承接从 100 公斤起的较小数量,以支持原型开发和小型项目。达到 1 吨门槛的混合尺寸订单可享受标准定价。

你们提供材质测试证书吗?

是的,我们每批货物均随附 EN 10204 Type 3.1 工厂测试证书,记录化学成分分析、力学性能测试结果、炉号可追溯性以及与指定 ASTM 标准的合规验证。对于需要独立认证的关键应用,可根据要求协调第三方检验安排。

201 不锈钢管批发

典型的交货时间是多久?

304 和 316 牌号的现货尺寸在订单确认后 5-7 个工作日内发货。需要钢厂生产的定制尺寸,无缝管通常需要 25-30 天,焊接管配置需要 20-25 天。对于紧急需求,可安排加急生产计划,并收取适用的加急费用。

你们可以按定制尺寸切割吗?

我们的精密切割服务包括公差为 ±0.5mm 的激光切割、标准长度的锯切以及用于焊接准备的坡口加工。我们提供定制长度切割、端面加工和钻孔服务,以减少现场加工需求。PDF 或 DXF 格式的技术图纸可确保定制加工费用的准确报价。

质量保证与制造标准

我们的制造工厂持有 ISO 9001:2015 质量管理体系认证,并在严格的工艺控制下运行,确保尺寸精度和表面质量的一致性。每个生产批次均按工作压力额定值的 1.5 倍进行静水压测试,无缝管进行涡流检测,焊接结构按 ASTM E213 要求进行超声波检测。表面处理选项包括 2B 冷轧、BA 光亮退火和 No.4 拉丝表面,满足建筑规范要求。

测试与检验能力

内部实验室设施可进行光谱分析、拉伸测试、硬度验证以及按 ASTM A262 Practice E 进行的晶间腐蚀测试。尺寸检验采用三坐标测量机,确保外径公差为 ±0.4mm,壁厚公差为 ±10%,符合 ASTM A269 要求。

中国 201 不锈钢管

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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
David Anderson
United States
2025-07-01
Acceptable Quality with Minor Packaging Issues Resolved
Decent product, some packaging issues initially resolved. We received 6-ton shipment of 201 stainless steel pipe (various sizes) with minor damage to exterior bundles due to inadequate moisture protection during ocean freight. Approximately 8% of tubes showed surface rust staining on cut ends, though base material remained unaffected. Supplier immediately arranged credit for affected pieces and upgraded packaging specifications for replacement shipment using heavy-duty plastic wrapping and desiccant packets. Second delivery arrived in perfect condition. Material quality itself meets ASTM A269 specifications with proper certifications. Would suggest requesting enhanced export packaging for humid climate destinations. Overall acceptable supplier, but recommend detailed packaging discussions during order confirmation to prevent similar issues. Quality control has improved based on our feedback.
用户
Chris Martin
Canada
2025-07-26
Perfect 201 Pipe for Water Supply Systems
Perfect solution for residential plumbing projects in our distribution territory. This is our 5th container order for 201 stainless steel pipe in standard plumbing sizes (15mm, 22mm, 28mm). Quality consistency across multiple shipments has been remarkable - every batch includes complete mill test certificates with traceability to heat numbers. Our plumber customers report excellent threading and joining characteristics using compression fittings. The material performs well in municipal water systems with pH 6.5-8.5 range typical in our region. Pricing structure allows competitive retail margins while offering contractors significant savings versus copper piping. Their flexible payment terms (30-day net for qualified accounts) support our inventory management. Technical consultation helped us stock optimal size mix based on regional demand patterns.
用户
Carlos Silva
Brazil
2025-08-16
Decent 201 Seamless Pipe for Furniture Manufacturing
Decent product for our commercial furniture production line. We ordered 2.8 tons of small diameter seamless pipe (19mm and 25mm OD) for chair frames and table legs. The material demonstrates good formability during our cold bending operations with consistent wall thickness. We compared costs against local Brazilian suppliers and imported 304 grade - this 201 option provided 28% savings while meeting our strength requirements for office furniture applications. Minor issue with delivery documentation requiring additional customs clarification, but supplier's export team resolved within 48 hours. Overall, acceptable choice for high-volume furniture manufacturing where aesthetic finish and moderate durability are priorities over maximum corrosion resistance.
用户
Ahmed Al-Hassan
United Arab Emirates
2025-09-09
Excellent 201 Tubing for Building Facades
Outstanding experience supplying decorative tubing for our Dubai mall project. Communication was highly professional - sales engineer visited our site to understand aesthetic requirements and recommended 201 grade with No.4 brushed finish as cost-effective alternative to 304. We ordered 12 tons of rectangular tubing (40x80mm, 1.2mm wall) for curtain wall framing. Quality inspection showed consistent surface finish with directional grain pattern matching architectural specifications. The material accepts polishing beautifully, achieving mirror-like appearance for elevator panel applications. Delivered in 3 shipments over 6 weeks, coordinated perfectly with our construction schedule. Packaging in heat-shrink film prevented scratching during handling. Highly recommended for Middle East architectural metalwork requiring visual appeal without marine-grade corrosion resistance.
用户
Robert Brown
United Kingdom
2025-10-01
Solid 201 Pipe for Food Processing Equipment
Good quality material for budget-conscious food equipment projects. We compared pricing from 4 UK distributors and 3 Asian suppliers - their factory-direct pricing was 22% lower while meeting British food safety standards. The 76mm diameter pipes with sanitary finish work well for our yogurt processing line installations. Surface roughness measured Ra 0.4μm, acceptable for CIP cleaning systems. Minor concern about longer lead times compared to local stock, but advance planning resolves this issue. Overall, reliable supplier for applications where 304 grade represents unnecessary premium. 4 stars due to minimum order quantity of 1 ton limiting flexibility for smaller projects.
用户
William Taylor
Australia
2025-10-22
Premium Quality 201 Welded Pipe for Automotive Components
We ordered 5.5 tons of 201 stainless steel welded pipe (32mm OD, 2.0mm wall, 2B finish) for automotive exhaust manifold prototypes. Material certificates showed carbon at 0.12% and sulfur at 0.024%, excellent for our TIG welding process. We conducted tensile testing in our lab - yield strength measured 298 MPa, exceeding the 275 MPa minimum requirement. Weld seam quality was superior with complete penetration and no porosity detected during X-ray inspection. The austenitic structure provided excellent formability during our mandrel bending operations with minimal springback. Packaging was professional with plastic caps on all tube ends. This is our 2nd trial order and quality exceeds our initial expectations. Will proceed with production volumes for our electric vehicle program.
用户
Wei Chen
Singapore
2025-11-08
Reliable 201 Seamless Pipe for HVAC Systems
Long-term partner for stainless steel tubing supplies. This is our 7th order over the past 18 months for HVAC ductwork projects across Southeast Asia. Quality consistency has been excellent - every shipment meets ASTM A269 requirements with complete documentation. The 201 grade performs well in air conditioning applications where chloride exposure is minimal. Their inventory management system allows us to maintain just-in-time delivery schedules for our contractors. Pricing remains competitive even as nickel prices fluctuate. Technical support team helped us optimize wall thickness selection, reducing material costs by 12% without compromising structural integrity. Looking forward to continued partnership for our regional expansion projects.
用户
Hans Mueller
Germany
2025-11-28
Good Value 201 Tubing for Industrial Equipment
Good value for the price. We compared quotes from 6 suppliers across Europe and Asia, and their pricing was 18% lower than European mills while maintaining acceptable quality standards for our conveyor frame application. The 25mm square tubing met dimensional tolerances of ±0.3mm as specified. Minor issue with one bundle having slight surface oxidation on cut ends, but this was cosmetic and easily removed during our pre-welding preparation. Overall, solid choice for non-critical structural applications where 304 grade would be over-specification. 4 stars because delivery took 28 days instead of promised 21 days due to shipping delays.
用户
James Wilson
United Kingdom
2025-12-18
Outstanding Service and Quality for Architectural Project
Excellent service experience from inquiry to delivery. Communication was exceptional - technical team responded within 2 hours with detailed specifications and welding recommendations for our handrail project. They provided CAD drawings showing exact dimensions before production commenced. Delivery was impressive - 8-ton shipment of 50mm diameter tubes arrived in 14 days via sea freight, perfectly packaged in wooden crates with moisture barriers. Each bundle was clearly labeled with heat numbers matching the EN 10204 3.1 certificates. No damage during transit. The team coordinated customs clearance smoothly and provided real-time tracking updates. Professional approach throughout, will definitely use for future architectural metalwork projects.
用户
Michael Johnson
United States
2026-01-02
Excellent 201 Pipe for Commercial Kitchen Project
We ordered 3.2 tons of 201 stainless steel pipe (38mm OD, 1.5mm wall thickness, BA finish) for a restaurant chain expansion project. Material certificates confirmed manganese content at 6.8% and chromium at 17.2%, fully compliant with ASTM A269. Surface finish was mirror-bright with zero visible defects or scratches. Our quality team conducted hardness testing showing 185 HB, well within specification. The formability was outstanding during our bending operations for sink installations. Delivered in 11 days, 4 days ahead of promised schedule. This is our 4th order this year. Highly recommended for food service applications requiring cost-effective solutions.

了解供应商

快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$1850 1-49 吨 基准价
$1770 50-99 吨 4.3% 优惠
$1730 ≥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$ 1,850.00
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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