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.

High-Quality Carton Steel And Stainless Steel Cap Manufacturers, Product

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High-Quality Carton Steel And Stainless Steel Cap Manufacturers, Product

The pipe cap is an industrial pipe fitting that is welded on the pipe end or installed on the external thread of the pipe end to cover the pipe. It is used to close the pipe and has the same function as the pipe plug. The convex pipe cap includes: hemispherical pipe cap, oval pipe cap , dish caps and spherical caps. Our caps include carbon steel caps, stainless steel caps, alloy caps, etc., which can meet your different needs. Application : chemitry industry , oil and gas industry etc.

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Product Description

We are a professional pipe cap manufacturer and supplier in China, with rich production technology experience. We also produce industrial pipes, industrial flanges, etc. These products feature excellent performance and are widely favored in electric power, petrochemical, chemical, pharmaceutical, boiler, heating, shipbuilding, pipeline, machinery manufacturing, and other industries. Welcome global users to choose our industrial pipe fittings!

Product Specifications

Parameter	Specification Details
Outer Diameter Range	1/2" ～ 78" (DN15 ～ DN1900)
Wall Thickness Range	2mm ～ 150mm
Wall Thickness Schedules	SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS, SCH5S, SCH20S, SCH40S, SCH80S (Max Wall Thickness: 150mm)
Cap Size	1/2" ～ 78" (DN15 ～ DN1900)

Material Specifications

Carbon Steel

ASTM/ASME A234 WPB-WPC

Alloy Steel

ASTM/ASME A234 WP 1 - WP 12 - WP 11 - WP 22 - WP 5 - WP 91 - WP 911

Stainless Steel

ASTM/ASME A403 WP 304 - 304L - 304H - 304LN - 304N;
ASTM/ASME A403 WP 316 - 316L - 316H - 316LN - 316N - 316Ti;
ASTM/ASME A403 WP 321 - 321H;
ASTM/ASME A403 WP 347 - 347H 6

High Performance Steel

ASTM/ASME A860 Parameters of WPHY 42 - 46 - 52 - 60 - 65 - 70

Manufacturing Methods & Standards

Forming Processing

Forming by cold or hot processing methods such as bending, extrusion, pushing, molding, machining, etc.

Manufacturing Standards

JIS B2311-2009 JIS B2312-2009 JIS B2313-2009 GB/T12459-2005 GB/T13401-2005 GB/T10752-2005 SH/T3408-1996 SH/T3409-1996 SY/T0609-2006 SY/T0518-2002 (1998) DL/T695-1999 GD2000 GD87-1101 HG/T21635-1987 HG/T21631-1990

Applications & Industry Use

Electric Power Oil and Gas Petrochemical Chemical Pharmaceutical Shipbuilding Heating Papermaking Metallurgy Boiler Pipeline Systems Machinery Manufacturing

Frequently Asked Questions (FAQ)

What size ranges of pipe caps do you produce?

Our pipe caps range in outer diameter from 1/2" to 78" (DN15 to DN1900).

What wall thicknesses and schedules are available?

We offer wall thicknesses from 2mm up to 150mm. Available schedules include SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS, SCH5S, SCH20S, SCH40S, and SCH80S.

What material grades can be selected for pipe caps?

We manufacture pipe caps using Carbon Steel (ASTM/ASME A234 WPB-WPC), Alloy Steel (WP 1 to WP 911), Stainless Steel (WP 304, 316, 321, 347 series), and High Performance Steel (ASTM/ASME A860 WPHY 42-70).

What manufacturing methods are used to form the caps?

Our products are formed by cold or hot processing methods, including bending, extrusion, pushing, molding, and machining.

Which standards do your industrial pipe caps comply with?

Our production complies with international standards such as JIS (B2311, B2312, B2313), GB/T (12459, 13401, 10752), SH/T, SY/T, DL/T, GD, and HG/T standards.

Which industries primarily use your pipe caps?

Our products are widely used in electric power, oil and gas, petrochemical, chemical, pharmaceutical, boiler, heating, shipbuilding, papermaking, metallurgy, and machinery manufacturing industries.