Which standards do Cangrun pipe fittings and flanges comply with?

Butt-weld fittings are produced to JIS B2311/B2312/B2313, GB/T 12459, GB/T 13401, GB/T 10752, SH/T 3408, SY/T 0609 and HG/T 21635 in ASTM/ASME A234 and A403 materials. Flanges are supplied in American series Class 150 to Class 2500 and European series PN2.5 to PN400.

What is your manufacturing size range?

Seamless fittings from 1/2 to 24 inch (DN15–DN600), welded fittings from 4 to 78 inch (DN150–DN1900) with wall thickness up to 150 mm, and weld neck flanges up to 160 inch (DN4000).

Which materials are available?

Carbon steel ASTM/ASME A234 WPB, WPC and ST37; alloy steel ST52, 12CrMo, 15CrMo, WP1–WP12, WP11–WP22, WP5, WP91 and WP911; stainless steel ASTM/ASME A403 WP304, 304L, 304H, 304LN, 304N, 316, 316L and 316Ti.

Which flange facing types can you supply?

Flat Face (FF), Raised Face (RF), Groove (G), Male/Female (MFM) and Ring Type Joint (RJ), depending on flange type and pressure class.

Which industries use your products?

Electric power, petrochemical, chemical, pharmaceutical, boiler, heating and shipbuilding projects, supplied to contractors and distributors worldwide.

How can I receive a full product catalog?

Use the Request a Catalog page or contact our export team at Bryan@crpipes.com with your product, size, schedule, material and standard requirements.

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Strategic Procurement: Steel Coupling Solutions

For global industrial procurement, selecting the right steel coupling involves understanding material grades, torque transmission requirements, and environmental compliance. Our white-paper approach focuses on providing the information gain needed to optimize your supply chain.

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Technical Roadmaps

We define the future of high-torque transmission components through precision engineering and automated manufacturing.

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Global Compliance

Ensuring every coupling meets ASTM/ASME, DIN, and ISO standards for international critical infrastructure projects.

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Leveraging macro-industry data to help you navigate price volatility and optimize inventory procurement cycles.

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Strategic Procurement Focus

Why Choose Our Steel Couplings?

Our coupling manufacturing process integrates Advanced Material Science with rigorous quality testing. We address the primary pain points of procurement officers: lead-time reliability, material certification authenticity, and long-term mechanical durability.

Future Outlook

Industry 4.0 is reshaping coupling production. We are investing in AI-driven structural analysis to ensure our products perform under extreme stress, reducing maintenance downtime for our global partners.

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Frequently Asked Questions (FAQ)

Q1: How does Cangrun ensure the quality of its steel couplings?

A : We utilize strict ISO 9001 quality management, comprehensive metallurgical testing (tensile/impact), and non-destructive examination (NDE) to guarantee performance consistency.

Q2: Can you provide custom steel couplings for specific industrial projects?

< p>A: Yes, our engineering team works directly with client specifications to design bespoke couplings tailored to unique thermal and pressure parameters .

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