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.

Buy Long Radius Elbow 1.5D Carbon Steel Elbow Companies, Products

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Buy Long Radius Elbow 1.5D Carbon Steel Elbow Companies, Products

The threaded joint refers to the pipe connector with thread, is the most common kind of pipe fittings in industry and life, the threaded joint makes the connection of the pipe more simple, disassembly and replacement is also easier, greatly saving the cost of pipe connection. Carbon steel elbows are metal pipe fittings that change the direction of the lines on carbon steel pipes. The connection mode is wire buckle and welding. According to the Angle, 45° and 90°180° are the most commonly used, Application : chemitry industry , oil and gas industry etc.

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Product Description

Material & Grade Specifications

Carbon Steel

ASTM/ASME A234 WPB ASTM/ASME A234 WPC ST37

Alloy Steel

ST52 12CrMo 15CrMo WP 1 WP 12 WP 11 WP 22 WP 5 WP 91 WP 911

Stainless Steel

ASTM/ASME A403 WP 304 WP 304L WP 304H WP 304LN WP 304N ASTM/ASME A403 WP 316 WP 316L WP 316Ti

Frequently Asked Questions

FAQ What is the difference between ASTM A234 WPB and WPC carbon steel?

Both WPB and WPC are standard material specifications for wrought carbon steel fittings for moderate and high-temperature service. WPC offers higher tensile and yield strength compared to WPB, making it suitable for applications requiring greater stress tolerance.

FAQ Where are Alloy Steel fittings like WP11, WP22, and WP91 typically used?

Alloy steel grades such as WP11, WP22, and WP91 provide superior creep resistance and strength at elevated temperatures. They are commonly specified in power generation, chemical processing, and refinery piping systems operating under extreme pressure and temperature.

FAQ What are the key benefits of ASTM A403 WP 304 and 316 Stainless Steel?

ASTM A403 WP 304 and 316 stainless steel grades provide excellent corrosion resistance and mechanical strength. WP 316 contains molybdenum, offering superior resistance to chlorides, acids, and marine environments compared to WP 304.

FAQ What do suffixes like L, H, and LN denote in stainless steel grades?

Suffixes indicate specific chemical modifications: "L" stands for low carbon (improving weldability and intergranular corrosion resistance), "H" stands for high carbon (enhancing high-temperature strength), and "LN" denotes nitrogen addition for higher mechanical strength.

FAQ Are these material grades compatible with high-pressure system standards?

Yes, materials manufactured according to ASTM/ASME A234 and A403 standards are fully compliant with ASME B16.9 and B16.28 specifications, ensuring reliable performance in high-pressure industrial piping networks.