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无缝碳钢管 - 高压工业级
快马钢铁有限公司
已认证
定制生产厂家
·
7 年
·
China
China
可定制
超低价
$720
1-49 吨
基准价
$685
50-99 吨
4.9% 优惠
$670
≥100 吨
6.9% 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
碳钢管道制造商
$865 - $925
1 吨 （最小起订量）
定制尺寸碳钢管
$682 - $730
1 吨 （最小起订量）
碳钢管
$595 - $635
1 吨 （最小起订量）
碳钢管道出口商
$682 - $730
1 吨 （最小起订量）
无缝碳钢管
$670 - $720
1 吨 （最小起订量）
碳钢管价格
$540 - $580
1 吨 （最小起订量）
高压碳钢管
$885 - $950
1 吨 （最小起订量）
圆碳钢管
$525 - $560
1 吨 （最小起订量）
定制尺寸碳钢管
$472 - $505
1 吨 （最小起订量）
ASTM A53碳钢管
$556 - $595
1 吨 （最小起订量）
碳钢管道供应商
$490 - $525
1 吨 （最小起订量）
产品详情
无缝碳钢管技术规格
| 属性 | 参数 | 描述 |
|---|---|---|
| 产品名称 | 无缝碳钢管 | 热轧或冷拔无焊缝碳钢管 |
| 材质等级 | ASTM A106 Gr.B / ASTM A53 Gr.B / API 5L Gr.B | 国际等级对应 |
| 标准符合性 | ASTM A106, ASTM A53, API 5L, ASME SA106, DIN 17175 | 符合主要国际标准 |
| 制造工艺 | 热轧 / 冷拔 | 无缝管成型方法 |
| 碳 (C) | ≤0.30% | 主要强化元素 |
| 锰 (Mn) | 0.29–1.06% | 提高淬透性和抗拉强度 |
| 磷 (P) | ≤0.035% | 控制含量以改善延展性 |
| 硫 (S) | ≤0.035% | 低硫确保良好的焊接性 |
| 硅 (Si) | ≥0.10% | 作为脱氧剂和强化剂 |
| 抗拉强度 | ≥415 MPa | 按 ASTM A106 Gr.B 的最小值 |
| 屈服强度 | ≥240 MPa | 按 ASTM A106 Gr.B 的最小值 |
| 延伸率 | ≥30% | 50mm 标距内的延展性 |
| 外径范围 | 6mm – 914mm (1/8'' – 36'') | 可用的外径选项 |
| 壁厚 | 1mm – 120mm (SCH 10 – SCH XXS) | 标准及定制壁厚 |
| 长度 | 5.8m – 12m 或定制 | 可提供不定尺、定尺或定长切割 |
| 表面处理 | 涂黑漆、涂油、涂清漆、镀锌 | 多种防腐选项 |
| 应用 | 石油和天然气、发电厂、锅炉、结构、机械 | 适用于高温高压工况 |
| 认证 | EN 10204 3.1, ISO 9001, API 5L, PED 2014/68/EU | 提供质量认证 |
| 包装 | 钢带捆扎，端部塑料帽 | 标准海运出口包装 |
| MOQ | 5 tons | 最小起订量 |
无缝碳钢管 - 高压工业级
无缝碳钢管是一种关键的管材产品，采用无焊缝制造工艺，为严苛的工业应用提供卓越的承压能力和机械完整性。该钢管按照 ASTM A106/A53 标准通过热轧或冷拔工艺生产，是石油天然气输送、发电及高温工艺管道的首选，这些应用场景中焊缝失效是不可接受的。我们的钢厂直供确保工厂竞争性价格，并为全球采购团队和项目承包商提供全程可追溯性。
什么是无缝碳钢管？
无缝碳钢管是一种空心钢材产品，由实心圆坯经加热后在芯棒上穿孔制成管材，不产生任何纵向或螺旋焊缝。这种制造方法使管壁整体形成均匀的晶粒结构，与焊接管相比，具有更优越的强度均匀性和更强的内压承受能力。
无缝碳钢管技术规格
我们的无缝碳钢管符合 ASTM A106 Grade B 和 ASTM A53 Grade B 标准。关键参数包括：根据 ASTM A106/A106M-18，最小抗拉强度为 415 MPa，最小屈服强度为 240 MPa。碳含量控制在最高 0.30%，锰含量范围为 0.29% 至 1.06%。可提供的外径范围从 21.3 mm（1/2"）到 610 mm（24"），壁厚从 Schedule 20 到 Schedule XXS。管材长度可根据要求提供单定尺（5–7 m）或双定尺（9–13 m）。
| 性能 | ASTM A106 Gr.B | ASTM A53 Gr.B |
|---|---|---|
| 抗拉强度（最小值） | 415 MPa | 415 MPa |
| 屈服强度（最小值） | 240 MPa | 240 MPa |
| 碳含量（最大值） | 0.30% | 0.30% |
| 使用温度 | 最高 425°C | 最高 340°C |
无缝碳钢管的主要应用
- 石油天然气钻井、输送及炼油工艺管道
- 按 ASME B31.1 标准用于火力发电厂的锅炉管和过热器管道
- 高压液压系统和机械结构部件
- 化工加工和石化工厂管道网络
- 需要高压力等级的水处理和消防系统
为什么选择我们的无缝碳钢管
每根钢管均随附 EN 10204 Type 3.1 工厂测试证书，记录化学成分和力学测试结果。我们的生产设施持有 ISO 9001:2015 认证，产品经过 100% 无损检测，包括按 ASTM A530 标准进行的水压试验和按 ASTM E213 标准进行的超声波检测。对于需要增强防腐保护的应用，请考虑我们的 防腐涂层管或合金钢无缝管选项。
常见问题
最小起订量（MOQ）是多少？
我们的标准最小起订量为每个尺寸和规格 1 公吨。对于需要多种尺寸的项目订单，我们可接受混合集装箱，合计最低 5 公吨。
你们提供材料测试证书吗？
是的。每批货物均随附 EN 10204 Type 3.1 工厂测试证书，涵盖化学成分分析、力学性能、水压试验结果以及适用的无损检测报告。
典型的交货时间是多久？
常规尺寸的现货商品在7–10个工作日内发货。定制制造的无缝碳钢管，如特定壁厚或非标准长度，通常需要自订单确认起25–35天。
你们可以按定制尺寸切割吗？
当然可以。我们提供定尺精密切割，公差为±5 mm，可按ASME B16.25进行坡口加工，并可按客户规格进行定制标记，对于库存现货不会增加额外交货时间。
获取无缝碳钢管的竞争力报价
准备为您的下一个项目采购优质无缝碳钢管了吗？请联系我们的技术销售团队，提供您所需的规格——包括尺寸、壁厚等级、钢级、数量和交货目的地——并在24小时内收到详细报价。我们支持FOB、CFR和CIF条款，发往全球主要国际港口。
评分与评价
Chris Martin
Canada
2025-09-18
Acceptable Seamless Pipe Quality — Dimensional Issue Resolved
Ordered 5 tons of ASTM A106 Gr.B seamless pipe, 4-inch Schedule 120, for a high-pressure chemical processing line in Alberta. Chemical and mechanical properties on the MTCs were compliant. However, wall thickness measurements on 4 pipe lengths fell slightly below the Schedule 120 nominal — outside our acceptance tolerance. Raised the issue with the sales team and received a replacement shipment for the affected pieces within 14 days at no additional cost. Resolution was handled professionally. Overall quality control on dimensional inspection needs tightening, but the after-sales response was satisfactory.
Wei Chen
Singapore
2025-10-05
Solid Seamless Pipe Supply with Competitive FOB Pricing
Procured 22 tons of seamless carbon steel pipe across multiple schedules — Sch 40 and Sch 80 — in 2-inch through 6-inch OD range for redistribution to Southeast Asian EPC contractors. ASTM A106 Gr.B MTCs were complete and passed our in-house document review. FOB pricing was competitive when benchmarked against three other mill-direct suppliers we regularly work with. Minor point: heat number marking on some pipe lengths was faint and required re-marking before client delivery. Supplier acknowledged the feedback. Documentation and material quality are the main reasons we will continue sourcing from this supplier.
William Taylor
Australia
2025-10-27
Good Value Seamless Carbon Steel Pipe for Petrochemical Piping
Sourced 6 tons of seamless carbon steel pipe, 5-inch Schedule 80, ASTM A106 Gr.B for a petrochemical plant piping network in Western Australia. Material quality and MTCs were fully compliant — tensile and yield values confirmed, NDE clear. Delivery took 13 business days rather than the 10-day estimate for stock items, which caused a minor scheduling adjustment on site. Supplier proactively communicated the delay 3 days in advance, which was appreciated. Overall value for the certified material grade remains strong and we would order again with a buffer in the project schedule.
Carlos Silva
Brazil
2025-11-13
Reliable A53 Gr.B Seamless Pipe for Water Treatment Infrastructure
Ordered 10 tons of ASTM A53 Grade B seamless pipe, 3-inch and 4-inch diameters, Schedule 40, for a municipal water treatment plant expansion. Pipe surfaces were clean with no visible laminations or seams. MTCs confirmed carbon at 0.26% and tensile strength at 422 MPa. Custom cutting to fixed 6-meter lengths was completed accurately. CFR Santos port delivery was completed in 31 days from order confirmation, within the 25–35 day window for custom-cut stock. Pricing was approximately 8% lower than our previous local distributor for equivalent certified material.
Ahmed Al-Hassan
UAE
2025-12-05
Premium Seamless Pipe Delivered On Time for Offshore Gas Project
Placed a mixed-container order totaling 18 tons covering three sizes — 3-inch Sch 40, 6-inch Sch 80, and 8-inch Sch 40 — all ASTM A106 Gr.B for an offshore gas transmission project in the Arabian Gulf. All three sizes were confirmed in stock and shipped within 8 business days on CIF terms to Jebel Ali. MTCs included hydrostatic pressure test results and NDE reports as required by our project specification. Project QA team reviewed the documentation and approved without any NCR. Will be issuing an RFQ for the next project phase covering approximately 35 tons.
Hans Mueller
Germany
2025-12-26
Outstanding Seamless Carbon Steel Pipe for High-Pressure Hydraulic System
Purchased 8 tons of seamless pipe, 2-inch OD, Schedule XXS, ASTM A106 Gr.B for a high-pressure hydraulic manifold assembly. Pipe ends were bevel-cut per ASME B16.25 with ±3 mm tolerance — tighter than the ±5 mm quoted. Chemical composition on MTCs showed manganese at 0.88%, consistent across all heat numbers in the batch. ISO 9001:2015 certification documentation was provided alongside shipment. Compared pricing from four suppliers before placing this order; FOB price was the most competitive while documentation quality was on par with European mills.
James Wilson
United Kingdom
2026-01-02
Superior Seamless Pipe Quality for Power Station Boiler Lines
Sourced 12 tons of seamless carbon steel pipe in 4-inch Schedule 160 for superheater replacement at a thermal power station operating under ASME B31.1. EN 10204 Type 3.1 MTCs were fully traceable and showed yield strength of 262 MPa. Ultrasonic examination reports confirmed zero defect indications across the batch. Previously used two European mills — this supplier matched quality at a noticeably more competitive CIF price. Technical sales team responded to our dimensional queries within the same business day.
Michael Johnson
United States
2026-01-17
Excellent A106 Gr.B Seamless Pipe for Refinery Expansion
Ordered 28 tons of ASTM A106 Grade B seamless carbon steel pipe, 6-inch OD, Schedule 80, in double random lengths for our refinery process piping upgrade. Mill Test Certificates confirmed carbon content at 0.28% and tensile strength at 438 MPa — both well within spec. Hydrostatic test reports were included without request. Delivery completed in 9 business days, ahead of the 10-day commitment. This is our second order this quarter and we are already planning a third for the next phase.
了解供应商
可定制
超低价
$720
1-49 吨
基准价
$685
50-99 吨
4.9% 优惠
$670
≥100 吨
6.9% 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
