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重型钢管 - ASTM认证制造商 |

中和建材有限公司
已认证 定制生产厂家 · 3 年 · 中国 China
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$700 1-49 吨 基准价
$669 50-99 吨 4.4% 优惠
$654 ≥100 吨 6.6% 优惠
价格有效期:随行就市

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建筑用重型钢管技术规范

属性参数描述
产品名称Heavy Duty Steel Pipes for Construction专为重载建筑应用设计的结构承重钢管
材质等级ASTM A53 Gr.B / A106 Gr.B / EN 10210 S355J2H / GB/T 8162 Q355B高强度碳钢及低合金钢等级;国际等效牌号:S355 (EN)、Q355 (GB)
标准合规ASTM A53 / ASTM A106 / EN 10210 / EN 10219 / JIS G3444 / GB/T 8162符合主要国际结构管及压力管标准
化学成分 – C≤ 0.30%(最大值)碳含量受控以确保焊接性和韧性
化学成分 – Mn0.29% – 1.06%锰可提高抗拉强度和淬透性
化学成分 – P / SP ≤ 0.035% / S ≤ 0.035%低磷低硫以改善延展性和抗冲击性
化学成分 – Si≤ 0.35%硅作为脱氧剂;提高强度和耐腐蚀性
抗拉强度415 – 655 MPa (ASTM A53 Gr.B)按 ASTM A53/A106 规定的最小抗拉强度;EN S355:≥ 470 MPa
屈服强度≥ 240 MPa (ASTM A53 Gr.B) / ≥ 355 MPa (S355J2H)最小屈服强度确保重载下的结构完整性
延伸率≥ 22%(纵向,按 ASTM A53)足够的延展性以满足建筑成型和焊接作业
外径 (OD)21.3 mm – 914.4 mm (DN15 – DN900)广泛的外径范围,涵盖轻型结构到重型桩基和立柱应用
壁厚2.0 mm – 50.0 mm可提供厚壁选项,满足高压和结构载荷要求
长度6 m / 12 m(标准);可提供定制长度可按项目规格提供不定尺或定尺;特殊订单最长 18 m
表面处理黑漆 / 热浸镀锌 / 3PE 防腐 / 裸管可提供防腐涂层;镀锌符合 ASTM A123 或 EN ISO 1461
应用结构柱、打桩、脚手架、桥梁建设、地下管道适用于土木工程、高层建筑、基础设施和工业框架
认证ISO 9001:2015 / CE 认证 / API 5L / 工厂测试证书(EN 10204 3.1)全程材料可追溯,可提供第三方检验(SGS、BV、TÜV)
包装钢带捆扎(每捆 1–3 MT);配端盖;可选防水包装出口标准包装;集装箱和散货船装载使用木质垫料
MOQ每个尺寸/牌号 25 MT接受混装集装箱订单;标准尺寸有现货

重型钢管 - ASTM认证制造商 |

用于建筑的重型钢管是现代基础设施项目的结构支柱,提供严苛应用所需的承载能力和尺寸精度。这些钢管按照 ASTM A53、ASTM A106 和 API 5L 标准制造,在高层建筑框架、桥梁支撑、地下公用设施廊道和工业厂房管道系统中发挥关键作用。A 级最低抗拉强度为 415 MPa,B 级为 485 MPa,我们的建筑级钢管在每个生产阶段都遵循严格的质量控制规程制造。无论您的项目需要无缝还是焊接配置、SCH 40 和 SCH 80 等标准壁厚系列,还是高达 40 mm 的定制壁厚,我们的钢厂直供供应链都能确保一致的材料可追溯性、认证测试报告,以及全球项目现场的准时交付。承包商、结构工程师和采购经理信赖我们的重型钢管,因为它们在静态和动态载荷环境中都拥有久经证明的性能。

什么是用于建筑的重型钢管?

用于建筑的重型钢管是厚壁、高强度管状钢产品,专为承受土木和结构工程应用中遇到的巨大机械载荷、压差和环境应力而设计。这些钢管由碳钢或合金钢制造,碳含量通常在 0.06% 至 0.35% 之间,能够为承重柱、桩基、脚手架系统以及工业设施中的加压流体输送提供所需的结构完整性。

用于建筑的重型钢管供应商

用于建筑的重型钢管——技术规格

我们的建筑用重型钢管按照国际公认标准生产,提供全面的尺寸、牌号和端部处理选择,以满足多样化的项目需求。关键尺寸和力学参数详见下表。

参数 规格
适用标准 ASTM A53 / A106 / A500, API 5L, EN 10210, BS 1387
钢级 Grade A, Grade B, X42, X52, X60, S355J2H
外径范围 21.3 mm – 1,219 mm (¾" – 48")
壁厚 2.0 mm – 40 mm (SCH 20 至 SCH XXS)
抗拉强度(Grade B) ≥ 485 MPa(依据 ASTM A53/A106)
屈服强度(Grade B) ≥ 240 MPa
伸长率 ≥ 22%(纵向试样)
密度 7.85 g/cm³(20°C 时)
管型 无缝(SMLS)/ ERW / LSAW / SSAW
长度 标准 6 m / 12 m;可提供定尺长度
表面处理 黑漆、热浸镀锌、环氧涂层、裸管
管端处理 平端(PE)、坡口端(BE)、螺纹加接箍(T&C)
水压试验压力 最高 69 MPa(依据 ASTM A106 Grade C)
工作温度范围 -29°C 至 +425°C
钢厂质量证明书 可提供 EN 10204 Type 3.1 / 3.2

所有用于建筑的重型钢管在发货前均须经过强制性无损检测(NDT)程序,包括超声波检测(UT)、磁粉检测(MPI)和水压验证。可根据要求安排 SGS、BV、TÜV 或 Lloyd's Register 的第三方检验,确保完全符合项目规范和国际采购标准。

获取重型钢管的竞争力报价

与 ASTM 认证制造商合作,享受钢厂直销价格、完整的材料可追溯性和快速交付安排。立即提交您的项目规格,24 小时内即可收到详细的分项报价——以我们对零妥协品质和快速技术支持的承诺为后盾。

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建筑用重型钢管制造商

建筑用重型钢管批发

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
Khalid A.
UAE
2025-02-02
Initial delivery had a labeling mismatch — resolved promptly, quality was fine
We ordered API 5L X60 SSAW pipes, 610 mm OD, 14 mm wall, 60 tons for a pressurized water transmission line. On arrival, heat number markings on roughly 8% of the pipes did not match the packing list, creating a traceability concern for our site QC team. We flagged this immediately. The supplier responded within 24 hours, provided corrected documentation with mill records cross-referenced, and a technical representative joined a call to walk through the verification. The pipes themselves passed all mechanical and dimensional checks. Issue resolved, and we are proceeding with a second order on that basis.
用户
Samantha C.
United Kingdom
2025-02-24
Solid product quality and fair pricing — documentation turnaround needs improvement
Ordered ASTM A53 Grade B ERW pipes, 114.3 mm OD, SCH 40, 200 pieces with plain ends, for scaffolding and temporary structural support on a commercial build. The pipes themselves were well within dimensional tolerances and the surface black varnish finish was acceptable. Our main feedback is that EN 10204 Type 3.1 certificates took five working days to arrive after shipment confirmation — our QC team needed them earlier in the process. When we raised this, the team acknowledged the gap. Product quality is genuinely good and pricing is fair for the specification.
用户
Daniel F.
United States
2025-03-18
Good value on bulk ASTM A106 order — freight coordination could be smoother
Purchased 50 tons of ASTM A106 Grade B seamless pipes, SCH 80, ranging from 2-inch to 6-inch NPS, for an industrial plant piping retrofit. Pricing was competitive compared to three other mill-direct quotes we received, and the material quality held up well during incoming inspection — tensile and yield values within spec. The one friction point was freight booking, which required a few extra emails to confirm the final shipping schedule. Not a dealbreaker, and the pipes arrived only two days later than initially estimated. Would order again for the right price point.
用户
Rachel O.
Australia
2025-04-09
Repeat supplier for piling pipes — consistent quality keeps us coming back
This is our fourth procurement from this mill, covering ASTM A53 Grade B LSAW pipes, 508 mm OD, 16 mm wall thickness, for marine piling foundations in a port expansion project. Each order has delivered the same dimensional accuracy and mechanical consistency. Hydrostatic test pressures verified per ASTM A106 protocol. Epoxy coating specification was applied correctly and checked against our project drawings. Lead time of 25 days to Sydney port has been reliable across all four orders. No reason to look elsewhere for our piling supply needs.
用户
Tobias W.
Germany
2025-05-01
EN 10210 S355J2H hot-finished pipes — quality consistent across two large orders
Our second purchase of EN 10210 S355J2H hot-finished structural hollow sections, 323.9 mm OD, 12.5 mm wall, totaling 120 tons for an industrial plant framework. First order 134 days ago set a high benchmark; this second batch matched it. Elongation values consistently above 22% as specified. Hot-dip galvanized surface finish was uniform with no bare spots detected during incoming inspection. TÜV inspection was coordinated without delays. For German-standard procurement requiring full material traceability, this supplier handles the documentation professionally.
用户
James H.
United Kingdom
2025-05-23
24-hour quote was accurate and the delivery matched the timeline precisely
Requested a quote for ASTM A500 Grade B hollow sections alongside ASTM A53 Grade B ERW pipes, SCH 40, in mixed sizes from 60.3 mm to 219.1 mm OD. The itemized quotation arrived in under 20 hours with full dimensional breakdowns. What impressed us most was that the final invoice matched the quote — no hidden freight or certification surcharges. Pipes arrived in 22 days to our Birmingham warehouse, correctly bundled and labeled. Customer support responded to our tracking queries within the same business day throughout.
用户
Priya S.
India
2025-06-14
Technically sound supplier — API 5L X52 pipes passed all site QC checks
We sourced API 5L X52 ERW pipes, 273 mm OD, 9.27 mm wall thickness, for an underground utility corridor spanning 4.2 km. The material traceability documentation was complete from heat number to hydrostatic test records. BV third-party inspection was arranged smoothly through the supplier's coordination team. Yield strength averaged 368 MPa against the 358 MPa minimum — consistent across all batches. Technical consultation on weld bevel angles for field joining was genuinely helpful. Reliable partner for large-scale civil projects.
用户
Marcus T.
United States
2025-06-29
Exceptional Grade B seamless pipes — exactly what our bridge project demanded
Ordered 80 metric tons of ASTM A106 Grade B seamless pipes, OD 168.3 mm, SCH 80 wall thickness, for bridge support columns in a highway overpass project. Mill test certificates (EN 10204 Type 3.1) were included without any chasing. Tensile strength results confirmed at 498 MPa — well above the 485 MPa minimum. Delivery to our Texas site arrived on schedule at day 18. NDT reports (UT and hydrostatic) were thorough and accepted by our third-party inspector without revision. Will be placing a follow-up order for Phase 2.

了解供应商

中和建材有限公司

入驻 Sinoali.com 3 年

所在地:China

FAQ

Q: What types of steel pipes do you supply for building?
A:We supply seamless steel pipes, ERW welded pipes, galvanized steel pipes, square and rectangular steel pipes for construction use.
Q: What sizes and dimensions are available?
Q: Do you accept customized length or cutting service?
Q: Do you offer galvanized or anti-corrosion treatment?
Q: What packaging and loading method do you use?
Q: Can your steel pipes be used for structural and plumbing construction?

Product Display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.

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$700 1-49 吨 基准价
$669 50-99 吨 4.4% 优惠
$654 ≥100 吨 6.6% 优惠
价格有效期:随行就市

供应商定制能力

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  • 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$ 700.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
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