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China Carbon Steel Pipes, Flanges, Pipe Fittings


Carbon steel products are widely used in the automobile and heat exchangers and condensers. We have been manufacturing & exporting a dimensionally accurate and quality range of Carbon Steel Products. This range is widely demanded across the industry for its high efficiency, perfect finishing, corrosion resistance, and efficient functioning. We manufacture these products using quality raw materials and are offered at reasonable price as per standards. These are customized as per the specifications of our clients and are tested for quality over various parameters.

Carbon Steel Pipes


These superior make Carbon Steel Pipes are available in a wide range of specifications such as - 15 NB up to 900 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS. Features Value Added Services, Hot Dipped Galvanizing, Epoxy & Fbe Coating, Electro Polish and Draw & Expansion.

These are offered in diverse grades such as ASTM / ASME A 53 GR A & B, ASTM A 106 GR A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70, ASTM / ASME A 691 GR A, B & C.



Seamless / ERW / Welded/ Fabricated


Round, Square, Rectangular, Hydraulic


Single Random, Double Random & Cut Length


Plain End, Beveled End, Threaded.

Carbon Steel Flanges

We are engaged in offering a huge gamut of the finest quality Carbon Steel Flanges. These are offered in different standards like UNI, ANSI, JIS, BS and DIN. We can fabricate the carbon steel flanges in different material like A105, WCB, CF8, CF8M, CF3, and CF3M. Our carbon steel flanges are available in socket weld types.

The wide range of flanges offered by us include Weld Neck, Slip On, Blind, Socket Weld, Lap Joint, Spectacles, Ring Joint, Orifice, Long Weld Neck, Deck Flange. Some more details about our carbon steel flanges are as follows:






A105, WCB, CF8, CF8M, CF3, CF3M Type Socket-weld



Pressure Class

150-2500, 5k-30k PN0.25-32 Mpa


As per clients' requests

Major Products and Services

Flange, Cast Steel Flange, Stainless Steel Flange, forging Pipe, Fittings


ASTM / ASME A 105, ASTM / ASME A 350 LF 2, 100 mm Steel Flange.


Carbon Steel Tubes


This superior make Carbon Steel Tubes are widely appreciated in the industry for its unique features and cost effectiveness. Our carbon steel tubes are widely used in engineering and construction industry. These carbon steel tubes are available in sizes from OD 15mm x WT 1.2mm - OD 159 x WT 2.0mm. Features Value Added Services, Epoxy & Fbe Coating, Electro Polish, Draw & Expansion and Bending Buffing.

The specifications are as follows:



ASTM / SA 179 / A 210 GR.A / BS 3059 GR.360 & 440


1 mm OD up to 254 mm OD in 0.2 TO 20 mm thickness


Seamless, ERW, Welded, CDW


Round, Square, Rectangular, Coil, ‘U’ Shape


Hydraulic Tube, Horn Tube, Capillary Tube, Boiler Tube, Precision Tube, IBR Tube


Single Random, Double Random & Cut Length


Plain End, Beveled End, Threaded.


Carbon Steel Forged Fittings


We offer carbon steel forged fittings such as elbows in long & short radius, equal, unequal tee & barred tee, eccentric reducer & concentric reducer, caps & crosses, long & short stub end etc.

Carbon steel forged fittings are available in following grades and standards:



ASTM / ASME A 105. ASTM / ASME A 350 LF 2.


Elbow - 90 Deg. & 45 Deg.,

Tee - Equal & Reducing,

Union, Cross, Coupling - Full & Half,

Socket Reducing, CAP, Plug-Hex & Square, Nipples (Hex/Reducing), Bushing, Sockolet Weldolet, Thredolet, Elbolet, Nipolet


Carbon Steel Butt Weld Fittings


We are offering our clients with a high quality range of carbon steel butt-weld fittings which includes long radius elbows, short radius elbows, equal tees, concentric reducers, eccentric reducers, reducing tees, obtuse elbows, end caps and stub-ends in various schedules and material. Provided with full 3.1b certification, these are available in sizes from ½" - 18" nominal bore. The specifications are as follows:

Standards: ASTM A403, MSS SP-43-91, ANSI B16.9.
Both Welded and Seamless construction are available
ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.

Carbon Steel Plates And Sheets


Our Carbon Steel Plates, sheets and coils are widely used in a range of applications like structural and mechanical & general engineering purposes. They are designed to withstand tremendous amount of weights and pressure. Our plates, sheets and coils are testimonials of our quality standards.
The standard sizes range from 0.5 mm To 200 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm Length.
Range :
0.5 mm To 200 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm Length available with NACE MR 01-75
Standard:ASTM / ASME A 36 / IS 2062, EN 8, C 45, Sail Hard
Types :
Sheet, Plates, Coils, Flat, Strips, Profile, Blank ,Circle, Ring etc.
Foam :
Foils, Shim Sheet, Rolls, Perforated Sheet, Chequered Plate.





Liaoning Borui Machinery Co., Ltd. All rights reserved.
Add: No.1-4-6, Jianshe Road, Qianyang, Donggang City, Dandong, Liaoning, China 
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