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.

China Customization Stainless Steel Titanium Carbon Forged Steel Flange Available DN400 Welding Neck Threaded Blind Flange Plate Factory, Company

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China Customization Stainless Steel Titanium Carbon Forged Steel Flange Available DN400 Welding Neck Threaded Blind Flange Plate Factory, Company

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Product Description

Flange Type

Plate Flange Flat Flange Slip on Flange Welding Neck Flange Long Welding Neck Flange Blind Flange Socket Welding Flange Thread Flange Screwed Flange

Connection Type

Raised Face (RF) Flat Face (FF) Ring Type Joint (RTJ) Lap-Joint Face Large Male-Female Small Male-Female Large Tongue Groove Small Tongue Groove

Standards & Specification

Standard: ANSI, ASME, DIN, BS, JIS, GB, ISO, etc.

Size: DN15 - DN4000 (1/2" ~ 120"), Customized as requested

Wall Thickness: SCH5S, SCH10S, SCH10, SCH40S, SCH20, SCH30, SCH40, SCH60, SCH80, SCH160

Applications & Surface Finish

Application: Petrochemical Industry, Pharmaceutical Industry, Gas Exhaust Systems, Power Plants, Shipbuilding, Water Treatment, etc.

Surface Treatment: Mill Finish, Sandblasting, Painting, Galvanizing, Marking

Material Specifications

Stainless Steel A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571, 1.4541, 254Mo, etc.

Carbon Steel A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24, A515 Gr60, A515 Gr 70, etc.

Duplex Stainless Steel UNS31803, SAF2205, UNS32205, UNS31500, UNS32750, UNS32760, 1.4462, 1.4410, 1.4501, etc.

Pipeline Steel A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80, etc.

Nickel Alloy Inconel 600, Inconel 625, Inconel 690, Incoloy 800, Incoloy 825, Incoloy 800H, C22, C-276, Monel 400, Alloy 20, etc.

Cr-Mo Alloy A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3, 15Crmo, etc.

Frequently Asked Questions (FAQ)

Q1: What types of flanges are available in your product line?

We supply a complete range of industrial flanges including Plate Flanges, Flat Flanges, Slip-on Flanges, Welding Neck Flanges, Long Welding Neck Flanges, Blind Flanges, Socket Welding Flanges, Threaded Flanges, and Screwed Flanges.

Q2: Which manufacturing standards and size ranges do you support?

Our flanges are manufactured according to global standards such as ANSI, ASME, DIN, BS, JIS, GB, and ISO. Sizes range from DN15 to DN4000 (1/2" to 120"), with wall thickness schedules from SCH5S to SCH160, as well as custom sizes based on client drawings.

Q3: What material grades can be selected for flange production?

We offer various material grades including Stainless Steel (A182F304/316L, 904L, 254Mo), Carbon Steel (A105, A350LF2, St37), Duplex Stainless Steel (SAF2205, UNS32750), Pipeline Steel (A694 F42-F80), Nickel Alloy (Inconel 625, Hastelloy C-276, Monel 400), and Cr-Mo Alloy (A182 F11/F22/F91).

Q4: What flange sealing face options are provided?

Connection sealing faces include Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face, Large & Small Male-Female, and Large & Small Tongue & Groove.

Q5: What surface treatment options can be applied?

Surface treatments include Mill Finish, Sandblasting, Anti-rust Painting, Hot-dip/Electro Galvanizing, and customized Product Marking.

Q6: What main industries use these industrial flanges?

Our flanges are widely applied in demanding sectors such as the Petrochemical Industry, Pharmaceutical Processing, Gas Exhaust Systems, Power Plants, Shipbuilding, and Water Treatment Systems.