Carbon Steel Pipe Fittings

Carbon steel pipe fittings are currently the most widely used pipe fitting products in engineering projects. The main materials are q235, 20#, 35#, 45#, 16mn, Q345 b, A105, A106, etc.

Classification of carbon steel pipe fittings
1.According to the connection method, it can be divided into:
A. Buttweld pipe fittings

B. Socket weld pipe fittings

C. Threaded pipe fittings

2. According to the product type, it can be divided into:

A. Carbon steel pipe elbow: 45 deg, 90 deg & 180 deg elbow

B. Carbon steel pipe tee: Equal tee & reducing tee

C. Carbon steel pipe concentric reducer & carbon steel pipe eccentric reducer

D. Carbon steel pipe cap

E. Carbon steel pipe bend: 3D pipe bend, 4D pipe bend, 5D pipe bend and other pipe bend according to your drawings

F.Carbon steel cross

G.Carbon steel coupling

H.Carbon steel Union

I. Carbon steel bushing & plug

J.Carbon steel olet: weldolet, socketolet, threadedolet

3. According to the standard classification, it can be divided into:

A. National standard pipe fittings

GB12459 steel butt welding seamless pipe fittings

GB/T13401 steel plate butt welding pipe fittings

GB/T14383 forged steel socket welded pipe fittings

GB/T14626 forged steel threaded pipe fittings

GB9112-9131 steel pipe flanges, flange covers and gaskets for flanges

B. American standard pipe fittings

ASME/ANSI B16.9 factory-made forged steel butt-welded pipe fittings ASME/ANSI B16.11 socket welding and threaded forging pipe fittings ASME/ANSI B16.28 steel butt welding small radius elbow and back bend ASME B16.5 pipe flanges and flange accessories MSS SP-43 forged stainless steel butt welding pipe fittings MSS SP-83 socket welding and threaded union MSS SP-97 Integral reinforced socket for socket welding, threaded and butt welding ends

C.Japanese standard pipe fittings

JIS B2311 general steel butt welding pipe fittings JIS B2312 steel butt welding pipe fittings JIS B2313 steel plate butt welding pipe fittings JIS B2316 steel socket welded pipe fittings

D.German standard pipe fittings

E.European standard pipe fittings

F.Russian standard pipe fittings

4. According to product size, it can be divided into:

For butt weld fittings sizes available in: 1/2”, 1”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20” to 48”.
For socket weld and threaded pipe fittings sizes in: 1/2”, 1”, 1/2”, 2” and up to 4”.

5. According to wall thickness, it can be divided into:

Thickness for butt weld fittings: SCH 5, SCH 10, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160 and SCH XXS etc.(Schedule 40 steel pipe fittings, and schedule 80 pipe fittings are mostly used.)

Pressure class for socket weld fittings: 3000#, 6000#, 9000#; For threaded pipe fittings pressure ranges in 2000#, 3000# and 6000#