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3.5 Steel Pipe Premium Carbon Steel Seamless Pipes & Fittings Supplier

4月 24 2025
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Did you know 68% of pipeline failures occur in substandard steel pipes? As your operations scale, ordinary 8 inch steel pipe solutions crumble under pressure. We've revolutionized carbon steel seamless steel pipe technology to slash maintenance costs by 40% - let's explore how.


3.5 steel pipe

(3.5 steel pipe)


Technical Superiority That Outperforms

Our 3.5 steel pipe
solutions deliver 2.3X longer service life through:

  • ✓ 0.28% carbon content optimization
  • ✓ 15,000 PSI burst strength
  • ✓ -40°F to 750°F operational range

8 Inch Steel Pipe Price Comparison

Vendor Price/ft Warranty
Standard Supplier $18.75 2 years
Our Solution $15.90 7 years

Customized Pipe & Pipe Fittings Solutions

Our engineers deliver:

  • ✓ 48-hour prototype turnaround
  • ✓ ASTM A106/A53 compliance
  • ✓ DNV GL & API certifications

Claim Your 15% New Customer Discount

Limited inventory for Q3 2024 projects - secure your carbon steel seamless steel pipe order today


3.5 steel pipe

(3.5 steel pipe)


FAQS on 3.5 steel pipe

Carbon Steel Seamless Steel Pipe Specifications

Q: What are the key specifications of 3.5-inch carbon steel seamless pipes?

A: 3.5-inch carbon steel seamless pipes typically have an outer diameter of 88.9 mm, wall thickness ranging from 3.68 mm to 12.7 mm, and comply with ASTM A106/A53 standards for high-temperature applications.

Price Comparison for Large-Diameter Pipes

Q: How does the 8-inch steel pipe price compare to 3.5-inch pipes?

A: 8-inch steel pipes generally cost 30-50% more than 3.5-inch pipes due to increased material usage, with current market prices averaging $800-$1,200 per ton depending on wall thickness and coating.

Compatibility of Pipe Fittings

Q: Are standard pipe fittings compatible with 3.5 steel pipe dimensions?

A: Yes, 3.5-inch pipes use NPS 3.5 fittings with 88.9 mm OD, but verification of pressure ratings and thread standards (NPT or BSP) is essential for proper sealing.

Material Advantages in Construction

Q: Why choose carbon steel seamless pipes for industrial applications?

A: Carbon steel seamless pipes offer superior strength, corrosion resistance, and leak-proof performance, making them ideal for high-pressure systems in oil/gas and chemical industries.

Ordering Considerations for Bulk Purchases

Q: What factors affect pricing when ordering 3.5 steel pipes in bulk?

A: Bulk pricing depends on material grade (A106B vs A53), surface treatment (galvanized/black), MOQ requirements (typically 20+ tons), and current raw material market fluctuations.

  • Flange

    フランジ

    フランジ製品紹介 フランジはパイプとパイプ、またはパイプと機器を接続するために使用され、密閉された安定した接続を保証します。フランジは流体の漏れを防ぎ、一定の圧力と応力に耐えることができるため、信頼性の高い接続が保証されます。フランジの公称直径は DN15 ~ DN2000 以上で、さまざまなパイプライン接続のニーズに対応します。フランジは主に、ASME B16.5-2020、ASME B16.47-2020、API 6A-2018 などの国際規格に準拠しています。
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  • Carbon Semless Steel Pipes

    炭素鋼管

    カーボンシームレス鋼管は高品質のカーボン鋼から作られ、溶接継ぎ目なしで製造されており、優れた強度、耐久性、耐圧性を備えています。これらのパイプは、石油およびガスパイプライン、建設、自動車、流体輸送システムなど、幅広い用途に最適です。シームレス設計により、高圧および高温条件下での均一性、構造的完全性の向上、および性能の向上が保証されます。
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  • Laser Clad  Pipe

    Laser Clad Pipe

    Laser clad steel pipes are manufactured using laser cladding technology. This technology involves adding cladding material to the surface of ordinary steel pipe base material, using high-energy-density laser beams to fuse the cladding material with the steel pipe surface, forming a metallurgically bonded cladding layer. These pipes are generally used in compressed air energy storage projects as underground deep well transportation pipes or casings, as well as in oil, natural gas, and geothermal well extraction.
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当社は製品の品​​質を企業の生命とみなし、業界および国家標準の要求に従って健全な品質管理システムを確立し、プロセス全体の入出力のすべての側面を管理し、細部にまで注意を払い、製品出荷合格率が100%であることを保証します。
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