Carbon Steel Buttweld Fittings

Carbon Steel Pipe Fittings Manufacturers In India, CS Fittings, carbon steel buttweld fittings manufacturers

Carbon Steel Buttweld Fittings Content

Rajveer Stainless & Alloys is India’s leading manufacturer and supplier of high-quality carbon steel pipe fittings. With decades of manufacturing expertise, we provide comprehensive solutions for industrial piping systems across diverse sectors.

We specialize in manufacturing a complete range of carbon steel pipe fittings including:

Long Radius Elbows (90°, 45°, 180°)

Return Bends for flow reversal applications

U Bends with superior corrosion resistance

Tees, Crosses, and Reducers as per international standards

Our carbon steel fittings are manufactured in various specifications including ASTM A234 WPB, ASME SA105, and A106 grades to meet diverse industrial requirements.

Rajveer

Best Price for Carbon Steel Seamless Fittings, Carbon Steel Weld Fittings

Superior Quality Carbon Steel Fittings

At Rajveer Stainless & Alloys, quality is our priority. Our carbon steel pipe fittings feature:

Excellent mechanical strength and durability
Precise dimensional accuracy
Superior finish and excellent machinability
High pressure and temperature resistance
Compliance with international standards

Carbon Steel Pipe Fittings Specifications

Specifications	ASTM/ASME A234 WPB / A860 – MSS-SP-75 WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70
Low Temperature Steel	A420 WPL3 / A420 WPL6
Dimensions	ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size	½”NB to 48″NB in Sch 10s, 40s, 80s, 160s, XXS
Grades	WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
Type	Seamless / Welded / Fabricated
Thickness	Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS

Material Specifications

Carbon steel butt-weld fittings are typically made from wrought carbon steel grades designed for pressure service. The most common material spec is ASTM A234 WPB, which covers wrought carbon steel fittings for moderate and high-temperature service. In ASTM notation, WPB means “Weldable, Pressure, Grade B” – a grade of carbon steel with a minimum yield of about 240 MPa. Other grades in A234 include alloy-steel variants (WP5, WP9, etc.) for elevated temperature or corrosion resistance, and A234 also covers welded constructions. Typical chemical limits for A234 WPB are ~0.35% C, ~0.30% Si, and Mn up to ~1.35%.

Buttweld fittings may be forged from seamless pipe or plate. Common base materials include ASTM A106 Grade B (seamless carbon pipe) or ASTM A53. Forgings can also use carbon steel plates such as ASTM A285 or A516 for larger diameters. For low-temperature or pressure applications, specifications like ASTM A420 WPL6 (low-temperature carbon steel) are used. The fitting ends (bevels) and welds must meet ASME B16.25 preparation standards.

Applicable Standards

Carbon Steel Buttweld fittings must meet international standards for dimensions, materials, and manufacturing. Key standards include:

ASME/ANSI B16.9 – Factory-Made Wrought Steel Buttwelding Fittings: Defines nominal dimensions, tolerances, and marking for butt-weld fittings NPS ½” through 48” (DN15–1200). It covers elbows, tees, reducers, caps, stub ends, crosses, etc., with schedules ranging from 5S/10S up to XXS
ASME/ANSI B16.28 – Wrought Steel Short Radius Elbows and Returns: Covers short-radius (SR) elbows (radius = 1× pipe diameter) and 180° returns for NPS ½”–48”. Short-radius elbows have higher stress concentration and are used only when space is limited
MSS-SP-75 – High-Test Wrought Butt-Welding Fittings: A Petroleum Pipeline standard covering high-test carbon and alloy butt-weld fittings for gas and oil pipelines (NPS up to 60). It specifies more stringent toughness and proof-test requirements than B16.9, and is used for high-pressure applications.
MSS-SP-43 – Wrought Butt-Welding Fittings (Low Pressure, Corrosion-Resistant): Specifies dimensions for low-pressure butt-weld fittings (often stainless) used in chemical plants. (Not commonly used for plain carbon steel.)
ASTM A234/A234M, ASTM A420/A420M: Material specifications for carbon steel pipe fittings (moderate/high temperature and low-temperature). These are often referenced as material requirements in piping codes.
ASME B31.3 / B31.1: Piping codes that govern pressure design; butt-weld fittings used in process (B31.3) or power/pipeline (B31.1/31.8) applications must be rated accordingly. Fittings are pressure-rated per ASME B16.5 flange classes or B31 rules.

Manufacturers will typically state compliance with applicable standards (e.g. “ASTM A234 WPB, ANSI B16.9, MSS-SP-75”) on product certificates.

CS Pipe Fittings Suppliers

ASME/ANSI B16.9 Carbon Steel Elbow

Carbon Steel 45 Deg Elbow

Carbon Steel LR 90 Deg Elbow

Carbon Steel LR 180 Deg Elbow

Carbon Steel SR 180 Deg Elbow

Carbon Steel SR 90 Deg Elbow

Carbon Steel Buttweld Reducer

Carbon Steel Concentric Reducer

Carbon Steel Eccentric Reducer

Carbon Steel Buttweld Cross

Carbon Steel Equal Cross

Carbon Steel Unequal Cross

Carbon Steel Buttweld Cap

Carbon Steel Pipe Cap

Carbon Steel End Cap

Carbon Steel Buttweld Stub Ends

Carbon Steel Short STUB END

Carbon Steel LONG STUB END

Carbon Steel Buttweld Tee

Carbon Steel Equal Tee

Carbon Steel Unequal Tee

CS Fittings Grade

Carbon Steel A234 Wpb Fittings

Low Temperature Carbon Steel A420 WPL6 Fittings

Carbon Steel P235GH Pipe Fittings

Carbon Steel P265GH Pipe Fittings

ASTM A860 WPHY 42 Pipe Fittings

ASTM A860 WPHY 52 Pipe Fittings

ASTM A860 WPHY 56 Pipe Fittings

ASTM A860 WPHY 60 Pipe Fittings

ASTM A860 WPHY 65 Pipe Fittings

ASTM A860 WPHY 70 Pipe Fittings

ASTM A860 WPHY 80 Pipe Fittings

Carbon Steel Pipe Fittings Weight Chart

Schedule 40S					DN	Schedule 10S
90° Elbow	End cap	45° Elbow	Stub end type B	Equal tee	DN	Stub end type B	90° Elbow	End cap	45° Elbow	Equal tee
0.08	0.04	0.04	0.08	0.10	15	0.07	0.06	0.03	0.03	0.09
0.08	0.07	0.04	0.11	0.17	20	0.09	0.07	0.05	0.03	0.13
0.15	0.10	0.11	0.17	0.29	25	0.16	0.14	0.08	0.08	0.28
0.26	0.18	0.17	0.25	0.59	32	0.22	0.23	0.10	0.11	0.49
0.40	0.20	0.23	0.31	0.86	40	0.25	0.30	0.11	0.17	0.68
0.70	0.23	0.40	0.61	1.28	50	0.43	0.50	0.13	0.25	0.85
1.40	0.27	0.77	0.80	2.19	65	0.57	0.85	0.19	0.48	1.41
2.20	0.42	1.08	1.13	3.31	80	0.72	1.25	0.25	0.63	1.77
4.47	1.14	1.47	1.87	5.27	100	1.09	2.10	0.68	1.08	3.46
6.80	2.13	2.84	2.79	9.63	125	1.47	3.65	1.11	1.82	5.44
10.89	3.23	5.44	3.57	10.99	150	2.15	5.45	1.42	2.72	8.03
21.54	5.19	10.77	6.07	20.91	200	3.22	10.20	2.38	5.33	15.65
38.56	9.00	19.27	10.07	35.38	250	5.13	18.15	4.45	9.75	26.76
59.42	15.00	29.71	14.29	62.14	300	8.16	25.80	7.50	13.62	39.46
79.38	16.00	35.15	17.14	79.31	350	10.88	36.29	8.17	18.37	48.53
99.79	21.00	45.81	20.41	99.79	400	12.70	47.63	10.67	23.81	58.97
129.73	26.00	59.40	27.21	129.73	450	17.23	59.87	13.00	29.94	79.65
162.38	34.00	74.84	29.94	162.39	500	21.77	99.80	17.00	49.90	103.42
225.89	52.00	105.23	38.55	225.90	600	27.21	140.61	26.00	70.31	155.58

Advantages

Advantages of carbon steel butt-weld fittings include:

Strength and Durability: The continuous steel structure and full-penetration welds yield very strong, leak-proof joints. Butt welds can withstand high pressure and fatigue better than socket-weld or threaded joints.
Smooth Flow: Because butt-weld fittings have smooth inner surfaces and gradual geometric transitions (especially in LR elbows and reducers), they minimize pressure drop and turbulence in the line.
Weldability: Carbon steel (especially low-carbon grades like A234 WPB) welds easily using common welding processes, simplifying installation and repair.
Cost-effectiveness: Carbon steel material is much cheaper than stainless or alloy, while still providing good corrosion resistance to general fluids (especially with protective coatings). Compared to forged fittings, butt-weld fittings often offer a more streamlined flow path for a given size. As one industry source notes, carbon-steel butt-weld fittings balance affordability and durability.
Versatility: Carbon steel fittings can handle a wide range of fluids (oil, gas, water, steam) and can be used in many systems (pipes, pressure vessels, heat exchangers). They can also be treated (galvanized, painted, etc.) for improved corrosion resistance if needed

Industrial Applications

Carbon steel butt-weld fittings are ubiquitous in heavy industry. They are favored in oil & gas pipelines and refineries (upstream, midstream, downstream) because of their high-pressure capability and weld strength. In petrochemical and chemical plants, they carry crude and process fluids under high T/P conditions. They are essential in power generation, forming high-pressure steam, feedwater, and condensate piping in fossil-fuel and nuclear plants. Marine and shipbuilding also use them for fuel lines, ballast systems, cooling water, and exhaust piping – the welded joints withstand vibration and corrosion in seawater service. Other applications include water treatment, pharmaceutical, food & beverage (using carbon steel for non-corrosive lines), and any chemical processing plant where high pressure or temperature demands durable joints. Their smooth flow profile makes them suited for pumping systems and long-distance pipelines.

Petrochemical
Oil & Gas
Paper
Refineries
Nuclear Power
Cement
Sugar
Power Plant
Fertilizers
Breweries

Chemical
Petrochemical
Shipbuilding
Defence
Mining
Steel Plant
Construction
Oil Mills
Paper
Engineering Co.

TYPES OF Carbon Steel Buttweld Fittings

Carbon Steel Short Radius Elbow
Carbon Steel Buttweld Reducer Suppliers
Carbon Steel Buttweld Tee Manufacturer
Carbon Steel Butt weld Reducing Nipple
ANSI B16.9 Carbon Steel Eccentric Reducer
Carbon Steel Reducing Cross Supplier
Carbon Steel 45 deg.Elbow
Carbon Steel Stub Ends
Carbon Steel Pipe Cap

Carbon Steel Butt weld Fittings Stockholder
CS Pipe Fittings Exporter
Carbon Steel Pipe Elbow Supplier
Carbon Steel 90 deg. LR Elbow Manufacturer
Carbon Steel 3D Elbow
Carbon Steel Welded Pipe Fittings
Carbon Steel 5D Elbow
Carbon Steel Seamless Pipe Fittings
Carbon Steel Stubends Dealer

DISTRIBUTORS, STOCKIST & SUPPLIERS OF WORLD'S TOP 10 MANUFACTURERS OF Carbon Steel Buttweld Fittings

Approved Manufacturer Makes of Carbon Steel Buttweld Fittings

Carbon Steel Buttweld Fittings Price List

Carbon Steel Butt weld Pipe Elbow	FOB Price: US $0.5-6 / Piece
Carbon Steel Buttweld Elbow	FOB Price: US $1.2-2500 / Piece
Carbon Steel Seamless Pipe Fittings	FOB Price: US $1-5000 / Piece
Carbon Steel 90 deg. LR Elbow	FOB Price: US $0.11-999 / Piece
Type of CS Seamless 90 Degree LR Elbow	FOB Price: US $0.2-50 / Piece
Carbon Steel 45 deg. Elbow	FOB Price: US $0.2-500 / Piece
Carbon Steel Buttweld Fitting	FOB Price: US $1.2-2500 / Piece
Carbon Steel Butt weld Pipe Elbow	FOB Price: US $0.11-1 / Piece
Carbon Steel Short Radius	FOB Price: US $8-8000 / Piece
Carbon Steel 180° Elbow	FOB Price: US $500-600 / Piece
Carbon Steel SR Elbow	FOB Price: US $0.5-500 / Piece
Carbon Steel End Pipe Cap	FOB Price: US $1000-2000 / Ton

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GLOBAL SUPPLIER

We are a world-class stockists, supplier and exporter of High Quality Inconel Sheet / Plate, Stainless Steel Seamless and Welded Pipes, Tubes & U-tubes. We offer wide range of products in following Alloys. Our stock range is pre-tested to stringent testing requirements which ensure that in most cases our stock material is already suitable for your needs.

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Phone: +91 22 6659 5298 / +91 90048 48833

Email: [email protected]

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