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10英寸直径不锈钢管 - ASTM A312无缝焊接管

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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$2850 1-49 吨 基准价
$2725 50-99 吨 4.4% 优惠
$2660 ≥100 吨 6.7% 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$ 2,850.00
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产品详情

10英寸直径不锈钢管技术规格

属性参数描述
产品名称10 Inch Diameter Stainless Steel Pipe用于工业应用的耐腐蚀钢管
公称直径10 inch (DN250 / 273mm OD)标准10英寸公称管径
材料牌号304 / 304L / 316 / 316L可提供的奥氏体不锈钢牌号
标准合规ASTM A312, ASTM A358, EN 10217-7符合国际管道标准
制造工艺Seamless / Welded (ERW, TIG, SAW)可提供多种制造方法
壁厚范围SCH 10 to SCH 160 (2.77mm - 28.58mm)标准和厚壁选项
长度选项6m, 12m, or custom lengths标准和定制管道长度
铬 (Cr)304: 18.0-20.0% / 316: 16.0-18.0%提供耐腐蚀性
镍 (Ni)304: 8.0-10.5% / 316: 10.0-14.0%增强延展性和耐腐蚀性
碳 (C)304: ≤0.08% / 304L: ≤0.03% / 316L: ≤0.03%低碳牌号,改善焊接性能
抗拉强度≥515 MPa (304/316)根据 ASTM A312 的最低抗拉强度
屈服强度≥205 MPa (304/316)最低屈服强度要求
延伸率≥35% (in 50mm gauge length)管材的延展性要求
表面处理2B, BA, No.4, Pickled, Polished多种表面处理选项
应用Chemical processing, food & beverage, pharmaceutical, oil & gas适用于腐蚀性环境
温度范围-196°C to 925°C (304/316)工作温度能力
认证EN 10204 3.1, NACE MR0175, PED质量与合规认证
包装Bundled with steel straps, plastic caps on ends标准出口包装保护
MOQ100 meters or 1 ton最小起订量要求

10英寸直径不锈钢管 - ASTM A312无缝焊接管

10 英寸直径不锈钢管是工业流体输送系统中的关键部件,为严苛应用提供卓越的耐腐蚀性和机械强度。该管径广泛应用于化工厂、炼油厂、水处理设施和船舶装置中,这些场合对可靠性和使用寿命要求极高。这些管道按照 ASTM A312/A312M 标准制造,服务于需要坚固管道解决方案的行业,能够在高压和腐蚀性环境中保持结构完整性。

10 英寸直径不锈钢管供应商

什么是 10 英寸直径不锈钢管?

10 英寸直径不锈钢管是一种空心圆柱形产品,根据 ANSI/ASME B36.19M 标准,其标称外径为 10.75 英寸(273.05 mm)。这些管道采用奥氏体不锈钢牌号,主要通过 304/304L 和 316/316L,通过无缝或焊接工艺制造,具有优异的耐腐蚀环境性能。壁厚通常从 Schedule 5S 到 Schedule 80S 不等,根据 schedule 和材料牌号,管道能够承受 150 PSI 至超过 3000 PSI 的工作压力。

10 英寸直径不锈钢管制造商

10 英寸直径不锈钢管技术规格

标准 10 英寸不锈钢管符合 ASTM A312/A312M-2021 要求,外径为 273.05 mm,内径根据 Schedule 不同从 266.65 mm(Schedule 5S)到 242.87 mm(Schedule 80S)不等。根据 ASTM A240 规范,这些管材的抗拉强度范围为 304/304L 等级最低 515 MPa 至 316/316L 等级最低 485 MPa。壁厚选项包括 3.40 mm、5.16 mm、7.80 mm、9.27 mm 和 12.70 mm,分别对应 Schedule 5S、10S、40S、60S 和 80S,可为特定应用精确选择压力等级。

制造工艺与质量标准

优质 10 英寸不锈钢管通过两种主要方法生产:采用旋转穿孔和挤压成型的无缝制造,或使用 TIG/等离子弧焊并随后进行热处理的焊接制造。无缝管具有更优越的压力等级,并消除了焊缝隐患,使其成为超过 2000 PSI 高压应用的首选。所有管材均经过全面的质量检测,包括工作压力 1.5 倍的水压试验、按 ASTM E213 进行的超声波测厚验证,以及符合 ASTM E309 标准的涡流检测。

化学成分要求

根据 ASTM A312 第 5.1 节,316L 等级管材含有 16.0-18.0% 铬、10.0-14.0% 镍、2.0-3.0% 钼,碳含量限制在最高 0.030%,确保优异的焊接性和抗晶间腐蚀性能。钼含量增强了对海洋环境中氯化物点蚀和缝隙腐蚀的抵抗力。

尺寸公差

外径公差符合 ASTM A999/A999M 要求,允许 ±1% 的偏差,对于 12 英寸以下的管道,最小偏差为 ±0.79 mm。壁厚公差遵循 ASTM A530/A530M 规范,焊接管允许 -12.5% 至 +22%,无缝管允许 ±10%,确保各生产批次间压力等级的一致性。

跨行业应用

10 英寸直径不锈钢管因其流量容量与结构强度的最佳平衡,在各工业领域发挥着关键作用。在化学加工设施中,这些管道用于输送腐蚀性酸、碱和有机溶剂,温度范围根据牌号选择从 -196°C 到 800°C 不等。石油炼厂将该管径用于原油输送管线、催化裂化装置连接以及加氢脱硫系统管道,这些场合对硫化合物的耐受性至关重要。

10 inch diameter stainless steel pipe wholesale

海洋与近海应用

海洋设施采用 316L 级 10 英寸管道用于海水取水系统、压载水管理和灭火网络,利用该合金对氯化物诱导应力腐蚀开裂的卓越耐受性。316L 中的钼含量提供了超过 24 的优异耐点蚀当量(PREN)值,确保在侵蚀性盐水环境中的长寿命。

水处理基础设施

市政水处理厂将这些管道用于反渗透系统集管、臭氧注入歧管和化学加药分配网络。最大 32 Ra 的光滑内表面光洁度最大限度地减少了细菌附着,并便于 CIP(就地清洗)程序,符合 NSF/ANSI 61 饮用水接触要求。

食品与制药加工

按照 ASME BPE 标准制造的卫生级 10 英寸不锈钢管服务于卫生流程工业,其内表面经过电抛光处理,Ra 值低于 0.38 μm。这些管道用于乳制品加工、饮料生产和制药制造中的产品输送,在这些领域防止污染至关重要。

材料牌号选择指南

为 10 英寸管道应用选择合适的不锈钢牌号取决于工作温度、腐蚀性介质和机械应力要求。304/304L 牌号为氯化物浓度低于 200 ppm、间歇工作温度高达 870°C 的一般工业用途提供具有成本效益的耐腐蚀性。对于富氯化物环境中增强的耐腐蚀性,316/316L 牌号通过添加钼提供卓越性能,与 304 牌号相比,在沿海和海洋装置中的使用寿命延长 40-60%。

双相不锈钢选项

对于需要卓越强度与耐腐蚀性相结合的应用,诸如 2205(UNS S32205)之类的双相牌号提供至少 450 MPa 的屈服强度,几乎是奥氏体牌号的两倍,同时保持出色的抗应力腐蚀开裂能力。这些牌号可在保持同等压力等级的同时将壁厚减少 30-50%,降低材料成本和安装人工。

压力等级和温度注意事项

根据 ASME B31.3 工艺管道规范计算,10 英寸直径不锈钢管的允许工作压力随壁厚系列、材料等级和使用温度的不同而有显著差异。Grade 316L 的 Schedule 40S 管道在 100°F 时可承受 1440 PSI,由于高温下许用应力值降低,在 400°F 时降至 1180 PSI,在 800°F 时降至 850 PSI。Schedule 80S 配置将这些额定值分别提高至 2490 PSI、2040 PSI 和 1470 PSI,为关键应用提供了更高的安全裕度。

热膨胀补偿

奥氏体不锈钢的热膨胀系数为 17.3 × 10⁻⁶ m/m°C,在温度变化超过 50°C 的系统中,需要每 30-40 米安装膨胀环或柔性接头。适当的热膨胀补偿可防止热应力积累,避免接头过早失效或管道变形。

表面处理与加工

标准 10 英寸不锈钢管提供多种表面处理,以满足特定应用要求和美观偏好。轧制表面(2B)提供光滑、反光的表面,平均粗糙度为 0.5 μm,适用于大多数工业应用。为提高耐腐蚀性和可清洁性,电解抛光处理将表面粗糙度降低至 0.25 μm,同时去除游离铁污染并形成富铬钝化层。

钝化处理

根据 ASTM A380 或 ASTM A967 进行化学钝化,可去除游离铁颗粒并增强天然氧化铬层,提高储存和初始使用期间抗闪锈的能力。柠檬酸钝化(ASTM A967 方法 6)相比传统硝酸处理具有环保优势,同时实现同等的腐蚀防护效果。

连接方法与兼容性

直径10英寸的不锈钢管可适配多种连接工艺,包括对接焊、承插焊、螺纹连接和机械联轴器系统。按照AWS A5.9规范使用ER316L填充金属进行TIG焊接,可获得优异的焊缝质量,热影响区变形极小,这对于在关键工况下保持耐腐蚀性至关重要。使用氩气进行背面保护,将氧含量维持在20 ppm以下,可防止内焊缝表面产生氧化皮(sugaring),确保整个接头具有完全的耐腐蚀性。

法兰连接

ASME B16.5 Class 150至2500法兰,采用匹配的不锈钢牌号,可实现螺栓连接,便于维护检修,提供突面、环连接面或全平面配置。正确选择垫片,使用带石墨填料的缠绕垫片或PTFE包覆垫片,可确保在工作压力和温度下实现无泄漏密封。

常见问题解答

直径10英寸不锈钢管的最小起订量是多少?

标准最小起订量通常为100至500米,具体取决于壁厚系列和牌号,不过许多供应商可为特殊应用或原型项目承接更小批量。对于超过最小吨位要求的订单,可提供定制长度切割,无缝管通常为5-10公吨,焊接管为3-5公吨。

你们是否提供不锈钢管的材质测试证书?

是的,每批货物均随附符合EN 10204 Type 3.1的全面工厂测试证书(MTC),记录化学成分分析、力学性能测试结果、热处理记录和尺寸验证。证书包含炉号可追溯性、符合ASTM E213的超声波检测报告以及静水压试验压力文档,确保完全符合项目规范和國際标准。

10英寸不锈钢管订单的典型交货时间是多久?

常规牌号304/304L和316/316L的常见壁厚系列(10S、40S、80S)管材,现货商品在确认订单后15-25个工作日内发货。定制规格包括特殊牌号、特殊热处理或非标准长度,需要8-12周的生产周期,对于要求4-6周交货的关键项目,可提供加急生产,但需支付溢价。

你们能提供定制长度切割和坡口加工服务吗?

精密切割服务可满足1米至12米的定制长度,公差为±3毫米,采用自动化等离子或带锯切割设备。焊接准备用坡口加工遵循ASME B16.25规范,角度为37.5度,根部面为1.6毫米,可提供单坡口或复合坡口配置。额外的端部精加工选项包括按ASME B1.20.1进行的螺纹加工、机械联轴器用开槽以及法兰焊接准备。

获取10英寸直径不锈钢管的竞争力报价

我们的冶金专家和供应链专家团队提供优质ASTM A312不锈钢管的工厂直销价格,消除分销商加价,同时保持严格的质量标准。我们提供全面的技术支持,包括压力等级计算、材料牌号推荐和安装指导,以确保在您的特定应用中实现最佳性能。通过与亚洲、欧洲和北美主要不锈钢钢厂的战略合作,我们保证为任何规模的项目提供稳定的供应和有竞争力的交货时间。

  • 由认证焊接工程师和材料专家提供24/7技术咨询
  • 免费提供样品,包括300mm管段及完整MTC文件,供质量评估
  • 按量定价,订单超过50公吨可享8-15%折扣
  • 提供完整加工服务,包括按客户规格进行切割、坡口加工和水压测试
  • 加急物流协调,提供拼箱运输方案,降低运费20-30%

立即联系我们的销售团队,24小时内即可收到详细报价,包括技术图纸、材料认证以及您项目所在地的交货价格!

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
John Smith
United States
2025-05-31
Acceptable Quality with Minor Documentation Issues Resolved
Decent product for our sulfuric acid dilution system, some issues resolved. We received 8 tons of 10 inch Schedule 40S welded pipe (316L) but initial Mill Test Certificates had incomplete heat treatment documentation and missing ultrasonic testing reports for 12 of 28 pipe lengths. This created project delay as our QA/QC team couldn't approve material release without full ASME B31.3 compliance documentation. Contacted supplier and they provided supplementary certificates within 5 days including retroactive UT reports and furnace charts proving solution annealing at 1050°C. Final documentation package was complete and acceptable to our engineering team and third-party inspector. Pipe quality itself was good - wall thickness measured 7.82-7.95mm (within ±10% tolerance), weld seams passed our radiographic testing, and passivation treatment showed proper chromium enrichment. Suggest implementing better QC document review before shipment to avoid these administrative delays. Would consider ordering again but with explicit upfront requirements for complete certification packages with initial delivery. Material met specifications once documentation issues were corrected.
用户
Chris Martin
Canada
2025-06-14
Excellent Technical Support for Oil Sands Application
Long-term partner for our oil sands processing equipment supply business. This is our 9th order over 22 months covering various stainless steel pipe sizes and schedules. Recent 14-ton order of 10 inch Schedule 40S pipe (Grade 316L) for steam-assisted gravity drainage (SAGD) wellhead piping demonstrated their understanding of challenging Canadian applications. Technical consultation included material selection guidance comparing 316L vs duplex 2205 for our 240°C steam service with H2S exposure - their metallurgist recommended 316L with stress-relief heat treatment, which proved correct after 6 months operation with zero corrosion issues. Mill Test Certificates include Charpy V-notch impact testing at -40°C (not standard but critical for Alberta winter conditions) showing 85J average - well above our 27J minimum requirement. Delivery logistics coordinated perfectly with our Fort McMurray project schedule despite remote location challenges. Their commitment to understanding end-use requirements sets them apart in commodity piping market.
用户
Carlos Silva
Brazil
2025-07-05
Decent Quality with Competitive Pricing for Refinery Use
Good value proposition for our crude oil transfer line replacement project at our São Paulo refinery. We compared quotes from 6 suppliers including local Brazilian mills and imports from Asia and Europe. Their pricing for 10 inch Schedule 60S seamless pipe was 14% lower than domestic options while meeting ASTM A312 and ASME B31.3 requirements for our Class 300 service. The 9.27mm wall thickness provides adequate pressure rating of 2040 PSI at our operating temperature of 180°C. Surface quality was acceptable with minor mill scale in some areas - required additional wire brushing before welding but within industry norms for mill finish pipe. Lead time extended from quoted 6 weeks to 8 weeks due to customs clearance delays, though supplier provided regular shipping updates. Overall, practical choice for refinery maintenance projects where cost control is important. 4 stars because lead time predictability needs improvement for international orders, but material quality justifies continued sourcing for non-critical path applications.
用户
Ahmed Al-Hassan
United Arab Emirates
2025-08-15
Perfect Solution for Desalination Plant Expansion
We ordered 35 tons of 10 inch diameter 316L stainless steel pipe (Schedule 40S and 80S mixed) for our SWRO desalination plant capacity expansion in Abu Dhabi. The pipes serve high-pressure RO feed lines and concentrate discharge systems operating at 1200-1800 PSI. Material certificates documented molybdenum content at 2.6%, providing PREN value of 25.2 - essential for our hypersaline Gulf seawater conditions with TDS exceeding 45,000 ppm. Factory hydrostatic testing at 2700 PSI (1.5x working pressure) with certified documentation gave us confidence in pressure integrity. The supplier's technical team provided valuable input on expansion loop placement for our 85°C brine streams, calculating thermal expansion of 4.2mm per 10-meter run. Delivered in two shipments over 23 days total with perfect coordination to our construction phases. This is our 3rd desalination project using their materials. Exceptional quality and Middle East logistics expertise make them our preferred partner for critical water infrastructure.
用户
William Taylor
Australia
2025-09-26
Solid Performance for Ballast Water System Upgrade
Good value for our shipyard ballast water management system retrofit project. We compared quotes from 4 suppliers across Asia-Pacific region, and their pricing for 10 inch Schedule 40S welded pipe was competitive at 8% below regional average while maintaining Lloyd's Register approval and ASTM A312 compliance. The TIG welded seams showed good penetration and minimal heat-affected zone discoloration after our dye penetrant testing. Packaging with plastic caps and bundled strapping was adequate though one bundle had minor scratches from transit - did not affect functionality for our below-deck installation. Communication was generally responsive with 24-48 hour turnaround on technical questions, though time zone differences occasionally caused delays. Overall, reliable supplier for marine-grade stainless steel piping where budget constraints exist. 4 stars because packaging could be more robust for international shipping, but quality-to-price ratio makes them a repeat consideration for future vessel projects.
用户
Robert Brown
United Kingdom
2025-10-17
Premium Seamless Pipes Delivered Ahead of Schedule
We ordered 28 tons of 10 inch diameter seamless stainless steel pipe (Grade 316L, Schedule 40S) for our North Sea platform hydrocarbon processing module. Quality Assessment: Material certificates showed PREN value of 24.8, yield strength 320 MPa, tensile strength 598 MPa - all exceeding ASTM A312 minimums. We conducted eddy current inspection per ASTM E309 and ferrite testing - results confirmed fully austenitic microstructure with delta ferrite below 2%. Surface finish was exceptional 2B mill finish with average roughness 0.42 μm, no surface defects detected across 47 pipe lengths. The rotary pierced seamless construction eliminates our concerns about weld seam integrity in sour gas service. Delivered in 21 days versus quoted 28 days, allowing us to accelerate our fabrication schedule by one week. This is our 2nd order for offshore applications. Highly recommended for high-pressure subsea and topside piping systems requiring maximum reliability.
用户
Wei Chen
Singapore
2025-11-08
Reliable Long-Term Partner for Stainless Steel Piping
Long-term partner for our industrial piping distribution business. This is our 11th order over the past 18 months totaling 156 tons of various schedules. Consistency has been excellent - every shipment meets dimensional tolerances per ASTM A999 (±0.79mm OD variance), wall thickness within ±10% for seamless construction, and chemical composition stable across different heat numbers. Their quality management system ensures batch-to-batch reliability critical for our inventory planning. Recent 18-ton order of 10 inch Schedule 10S pipe for pharmaceutical client delivered with NSF/ANSI 61 compliance documentation and sanitary certification. Pricing remains competitive even as our order frequency increased. Technical support team helped us develop custom cutting and beveling specifications that reduced our fabrication costs by 15%. Looking forward to continued partnership and expanding into duplex grades for our offshore customers.
用户
Hans Mueller
Germany
2025-11-28
Good Value Schedule 80S Pipes for Chemical Processing
Good value for the price on our acid transfer line project. We compared quotes from 7 suppliers across Europe and Asia, and their price for 10 inch Schedule 80S seamless pipe was 12% lower than European mills while maintaining ASTM A312 certification and full material traceability. The 12.70mm wall thickness pipes handle our 2200 PSI requirement with adequate safety margin. Minor delay of 5 days beyond original 4-week lead time due to ultrasonic testing scheduling, but supplier communicated proactively. Surface finish quality was good though not quite as uniform as premium European producers - acceptable for our buried pipeline application. Overall, solid choice for projects where cost optimization is important without compromising essential quality standards. 4 stars because delivery timeline could be more reliable, but would order again for similar applications.
用户
James Wilson
United Kingdom
2025-12-18
Outstanding Service and Documentation for Water Treatment Project
Excellent service experience from inquiry to delivery for our municipal water treatment facility upgrade. Communication: Technical team responded to our RFQ within 6 hours with detailed pressure rating calculations for Schedule 60S configuration and material grade recommendations comparing 304L vs 316L for our chlorine dosing application. Delivery: Original quote was 25 days, but they expedited production and delivered 12 tons of 10 inch seamless pipe in 19 days with full EN 10204 Type 3.1 certificates. Packaging: Each 6-meter length was individually wrapped with protective caps, wooden crate packaging prevented any transit damage. The Mill Test Certificates included complete chemical analysis, mechanical properties, and heat treatment records with full traceability. Their welding engineer provided free consultation on TIG welding parameters and back purging requirements. Professional team that understands B2B project requirements and timeline pressures.
用户
Michael Johnson
United States
2026-01-02
Excellent Quality 10 Inch 316L Pipes for Seawater System
We ordered 22 tons of 10 inch diameter 316L stainless steel pipe (Schedule 40S, 273.05mm OD) for our seawater intake expansion project. Material certificates showed molybdenum content at 2.4%, carbon at 0.025%, fully compliant with ASTM A312. We conducted hydrostatic testing at 2160 PSI and ultrasonic thickness verification - all results exceeded specifications. Surface finish was excellent 2B with no pitting or weld defects observed. The internal electropolished finish at 0.32 μm Ra is perfect for our chloride-rich environment. Delivered in 18 days, 4 days ahead of our critical path schedule. This is our 4th order from this supplier over 14 months. Quality has been consistently excellent across all shipments. Highly recommended for marine and offshore applications requiring superior corrosion resistance.

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快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$2850 1-49 吨 基准价
$2725 50-99 吨 4.4% 优惠
$2660 ≥100 吨 6.7% 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$ 2,850.00
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交期:
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样品:
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