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无缝锅炉管 ASTM认证 钢厂直供 | 快马钢铁集团

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
$680 1-49 吨 基准价
$650 50-99 吨 4.4% 优惠
$635 ≥100 吨 6.6% 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$ 680.00
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无缝锅炉管技术规范

性能参数说明
产品名称无缝锅炉管用于锅炉及换热器服役的热轧或冷拔无缝钢管
材料牌号ASTM A106 Gr.B / SA210 Gr.A1 / SA213 T11 / T22 / 20G多种牌号可用于中高压锅炉应用
标准符合性ASTM A106, ASTM A210, ASTM A213, EN 10216-2, GB 5310, JIS G3461符合国际锅炉管制造和测试标准
碳 (C)0.10 – 0.30%因牌号而异;确保足够的强度和可焊性
锰 (Mn)0.29 – 1.06%提高抗拉强度和淬透性
硅 (Si)≤ 0.50%起脱氧剂作用并提高高温抗氧化性
铬 (Cr)0 – 2.50%存在于合金牌号(T11/T22)中,用于抗蠕变和抗氧化
钼 (Mo)0 – 1.05%提高合金牌号的高温强度
磷 (P) / 硫 (S)P ≤ 0.035% / S ≤ 0.035%受控以尽量减少热脆性并确保韧性
抗拉强度415 – 590 MPa按 ASTM A106 Gr.B ≥ 415 MPa;合金牌号最高达 590 MPa
屈服强度205 – 310 MPa按 ASTM A106 Gr.B ≥ 240 MPa;因牌号和热处理而异
伸长率≥ 22%按适用标准,50 mm 标距长度下的最小伸长率
尺寸(外径 × 壁厚 × 长度)外径:10.2 – 457 mm / 壁厚:1.5 – 50 mm / 长度:4 – 18 m可提供定制尺寸;公差按 ASTM A450 或 EN 10216-2
表面处理黑色涂漆 / 涂油 / 清漆 / 裸材经防锈处理;可选酸洗或喷丸处理
应用电厂锅炉、过热器、再热器、省煤器、换热器适用于温度高达 600 °C 的中高压蒸汽工况
认证ISO 9001、PED 2014/68/EU、TÜV、BV、SGS、Lloyd's每批货物随附 EN 10204 3.1 / 3.2 工厂检验证书
包装钢带捆扎,端部塑料帽,防水包裹适合海运的出口包装;按客户或标准要求进行标记
MOQ1 公吨可协商更小的试订单;交货时间取决于规格

无缝锅炉管 ASTM认证 钢厂直供 | 快马钢铁集团

无缝锅炉管是发电、石油化工加工和工业加热系统中不可或缺的组件,在这些领域中,高温高压下的可靠性能是绝对必要的。这些钢管通过热轧或冷拔工艺制造,没有任何焊缝,具有焊接替代品根本无法匹敌的卓越结构完整性。在Kuaima Steel Group,我们直接从合作钢厂供应ASTM认证的无缝锅炉管,以具有成本效益的钢厂直销价格提供优质材料。无论您运营的是燃煤电厂、余热回收锅炉还是高压蒸汽发生器,我们的无缝锅炉管都能满足极端热环境中连续运行的严苛要求。

什么是无缝锅炉管?

无缝锅炉管是一种中空圆柱形钢材产品,由实心圆坯经穿孔和延伸制成,没有任何纵向焊缝。这种无缝结构消除了焊接管中最薄弱的环节——焊缝——从而使整个长度上具有均匀的晶粒结构和一致的壁厚。无缝锅炉管在水管锅炉、过热器、省煤器和再热器段中发挥着关键作用,这些部位必须承受超过20 MPa的内部压力和高达580°C(1076°F)的连续工作温度。焊缝的缺失增强了对蠕变、疲劳和长期高温服役下应力腐蚀开裂的抵抗能力。

无缝锅炉管制造商

无缝锅炉管技术规格

我们的无缝锅炉管按照国际公认标准制造,确保在所有关键锅炉应用中的可追溯性和性能可靠性。

无缝锅炉管供应商

参数规格详情
适用标准ASTM A106 Grade B/C, ASTM A179, ASTM A192, ASTM A210 Grade A1/C, ASME SA213 T11/T22/T91, EN 10216-2, GB 5310
钢种20G, 15CrMoG, 12Cr1MoVG, SA106B, SA210C, T11, T22, T91, 16Mo3, 13CrMo4-5
外径10.0 mm – 630 mm (0.394″ – 24.8″)
壁厚1.5 mm – 60 mm (0.059″ – 2.362″)
长度不定尺 5–12 m,或按客户要求定尺切割
抗拉强度415 MPa min (SA192) / 485 MPa min (SA210 Gr.A1) / 585 MPa min (SA213 T91)
屈服强度240 MPa min (SA192) / 255 MPa min (SA210 Gr.A1) / 415 MPa min (SA213 T91)
最高使用温度最高 580°C(T91 钢种)/ 565°C(T22 钢种)/ 400°C(SA192 碳钢)
表面处理按指定要求进行黑漆、清漆、涂油或裸管处理
检测水压试验、压扁试验、扩口试验、按 ASTM E213 进行超声波检测、按 ASTM E309 进行涡流检测

我们无缝锅炉管的主要优势

均匀的微观组织:穿孔和延伸工艺产生沿管轴方向排列的均匀晶粒流线,密度约为 7.85 g/cm³,且无焊接热影响区。这意味着钢管每个截面的力学性能都保持一致。

无缝锅炉管工厂

卓越的高温性能: SA213 T91(9Cr-1Mo-V)等合金牌号在室温下保持最低585 MPa的抗拉强度,并在高达580°C的温度下表现出优异的抗蠕变断裂性能,可实现更薄的壁厚设计并减轻锅炉整体重量。

全面的无损检测: Kuaima Steel Group生产的每一根无缝锅炉管均按照ASTM E213进行100%超声波检测,并按照ASTM A530计算的压力进行水压试验,确保关键压力工况下的零缺陷交付。

尺寸精度: 我们的钢管外径公差控制在±0.5%以内,壁厚公差控制在±10%以内(或按特殊订单要求更严格),满足现代锅炉制造的精确装配要求。

应用

无缝锅炉管广泛应用于:

  • 电站和工业水管锅炉(亚临界和超临界)
  • 运行温度高于450°C的过热器和再热器段
  • 热回收系统的省煤器管
  • 石油化工炉管和换热器
  • 联合循环余热锅炉(HRSG)
  • 核电蒸汽供应系统(需具备相应核级认证)

常见问题

最小起订量是多少?

我们的无缝锅炉管最小起订量通常为每种尺寸和牌号组合1公吨。对于T91或T92等较不常见的合金牌号,根据钢厂排产情况,最小起订量可能为2公吨。

你们提供材质证明书吗?

是的。每批货物均随附符合 EN 10204 3.1 标准的原厂材质证明书(MTC),记录化学成分、力学性能及无损检测结果。SGS、TÜV 或 BV 的第三方检验报告可应要求提供,需额外收费。

典型的交货时间是多久?

常见尺寸的标准碳钢牌号(SA192、SA210)有现货,7–10 个工作日内发货。合金牌号(T11、T22、T91)及非标尺寸需要 30–45 天进行钢厂生产和质量检验。

你们可以按定制尺寸切割吗?

当然可以。我们提供精度为 ±3 mm 的精密定尺切割服务,以及坡口加工(按 ASME B16.25 标准为 30° 或 37.5°)、螺纹加工和保护性端盖安装,以满足您项目特定的制造要求。

获取无缝锅炉管的竞争力报价

Kuaima Steel Group 以钢厂直销价格提供经 ASTM 和 ASME 认证的无缝锅炉管,具备完整可追溯性和技术支持。立即联系我们的锅炉管专业团队,告知您所需的牌号、尺寸和数量。我们将在 12 小时内回复所有询价,提供详细报价和交期确认——助您的锅炉项目按时按预算推进。

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Michael Tanner
United States
2025-02-14
Initial Marking Issue Resolved Professionally
Ordered 6 tons of SA213 T11 seamless tubes, OD 44.5mm x 4.0mm, for a reheater section operating at 500°C. The tube quality itself was fine — mechanical properties and NDT results all checked out against the MTC. However, about 30% of the bundles had faded stencil markings on arrival, which our inspector flagged as a traceability concern. Raised this with Kuaima and they responded within a day, provided supplementary documentation linking heat numbers to specific bundles, and arranged for re-marking instructions. Issue was resolved, but it shouldn't have happened on pressure-rated product.
用户
Sarah Thornton
United Kingdom
2025-03-08
Competitive Pricing on 20G Boiler Tubes for Budget-Conscious Project
We needed 25 tons of GB 5310 grade 20G seamless boiler tubes (OD 57mm x 5.0mm) for an industrial boiler refurbishment where budget was tight. Kuaima's mill-direct model saved us a meaningful amount compared to European stockholders. Tubes arrived in good condition with all required Chinese and translated English test certificates. OD tolerance was within ±0.5% as promised. Delivery took 35 days — slightly longer than the 30 we hoped for, but within their stated 30-45 day window for mill production. Fair pricing for fully certified product.
用户
Ahmed Al-Rashidi
UAE
2025-03-30
Good Value on SA106 Grade B — Minor Paperwork Delay
Ordered 15 metric tons of ASTM A106 Grade B seamless tubes, OD 114.3mm x 8.56mm, for a district cooling plant steam distribution upgrade in Abu Dhabi. Tube quality was excellent — uniform wall thickness, clean UT reports, and proper beveled ends per ASME B16.25. Pricing was roughly 8-10% below what we were quoted from two other suppliers for the same spec. Only issue was a two-day delay in receiving the final MTC documents after the cargo shipped, which caused a small hold-up at customs. Otherwise a solid transaction and good value overall.
用户
David Morrison
Australia
2025-04-24
Third Order This Year — Consistently Reliable
This was our third purchase from Kuaima in 2025 — all SA210 Grade A1 seamless boiler tubes for water-tube boiler maintenance contracts across Queensland. Latest order was 9 tons, OD 50.8mm x 3.7mm, random lengths. Tensile strength tested at 510 MPa against the 485 MPa minimum. Flattening and flaring test results all passed without issue. What keeps us coming back is the combination of genuine mill-direct pricing, complete documentation, and the fact that they actually hold common carbon steel grades in stock for fast turnaround. Seven-day dispatch this time.
用户
Stefan Brückner
Germany
2025-05-16
Smooth Procurement for 16Mo3 and 13CrMo4-5 Tubes
We sourced 22 tons of EN 10216-2 grade 16Mo3 (OD 60.3mm x 5.0mm) and 6 tons of 13CrMo4-5 (OD 48.3mm x 4.5mm) for a petrochemical furnace tube replacement in our Ludwigshafen facility. Kuaima handled the dual-grade order without confusion — separate MTCs, separate bundling, clear heat number markings on every tube. Dimensional tolerances were within EN specification. Delivery was 42 days, exactly as quoted. We will consolidate more of our boiler tube procurement through them going forward.
用户
Anita Deshmukh
India
2025-06-08
Excellent Technical Support for T91 Grade Selection
We were specifying tubes for a new HRSG project operating at 540°C and 17 MPa. Kuaima's engineers recommended SA213 T91 over T22, explaining the creep rupture advantages and the potential for thinner wall design — which reduced our total tube weight by nearly 15%. Ordered 8 metric tons, OD 42.2mm x 5.6mm, cut to 7.5m lengths. Full UT per ASTM E213 and eddy current per E309 were performed. MTCs matched our third-party BV inspection perfectly. Response time on technical queries was under 12 hours every time.
用户
Robert Callahan
United States
2025-06-30
Reliable Source for ASTM A192 Economizer Tubes
Purchased 12 tons of ASTM A192 seamless tubes in OD 38.1mm x 3.2mm for an economizer bank rebuild on a waste heat recovery boiler. Hydrostatic test certificates were included with every bundle and the surface finish — black varnished with end caps — arrived in perfect condition. Cut-to-length accuracy was within ±2mm, better than the ±3mm they promise. Our QC team verified tensile strength at 430 MPa, well above the 415 MPa minimum. Shipped from stock in just 9 days. This is exactly the kind of traceability and consistency we need for ASME code work.
用户
James Whitfield
United Kingdom
2025-07-15
SA213 T22 Tubes Performed Flawlessly in Our Superheater Retrofit
We ordered 18 metric tons of SA213 T22 seamless boiler tubes, OD 51mm x 6.5mm WT, for a superheater replacement project on our 300MW coal-fired unit. Every tube came with EN 10204 3.1 MTC and the UT reports were clean — zero rejections during our incoming inspection. Wall thickness was consistently within ±7%, tighter than the ±10% we expected. Kuaima's technical team helped us confirm the correct grade for 565°C continuous service. Delivery took 38 days which was right on their quoted lead time. Genuinely impressed with the quality at mill-direct pricing.

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
$680 1-49 吨 基准价
$650 50-99 吨 4.4% 优惠
$635 ≥100 吨 6.6% 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$ 680.00
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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