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Unmatched Performance of Stainless Steel 304/304L/304H Buttweld Fittings by Sandvik

When it comes to industrial piping systems, precision, durability, and corrosion resistance are non-negotiable. That’s where Stainless Steel 304/304L/304H Buttweld Fittings Manufacturers like Sandvik step in. As a trusted name in the industry, Sandvik delivers fittings engineered for high-performance, cost-effective, and long-lasting solutions across a variety of sectors. Whether you’re dealing with chemical processing, oil & gas, or food production, choosing the right stainless steel grade and fitting type is critical. Let's break down the essentials of Stainless 304, 304L, and 304H buttweld fittings and why they’re indispensable to your operations.

What are Stainless Steel 304/304L/304H Buttweld Fittings? These fittings are used to connect sections of pipe in a secure, leak-proof way through welding. Made from Austenitic stainless steel, grades 304, 304L, and 304H differ primarily in carbon content. 304 is the standard grade, 304L has lower carbon for better weldability, and 304H has higher carbon for enhanced strength at elevated temperatures. This trio of grades allows for versatility across a wide range of pressure and temperature conditions, making them ideal for industries requiring both strength and corrosion resistance.

Stainless Steel 304/304L/304H Buttweld Fittings Suppliers like Sandvik provide a comprehensive range of these fittings, including elbows, tees, reducers, and caps. Each type serves a unique function: elbows change flow direction, tees split or combine flow, reducers connect pipes of different diameters, and caps terminate a line. All fittings are engineered to meet international standards such as ASME, ASTM, and ANSI.

Advantages of Stainless Steel 304/304L/304H Buttweld Fittings include exceptional corrosion resistance, high tensile strength, heat resistance, and excellent formability. 304L is especially favored for welded construction where post-weld annealing isn’t feasible. On the other hand, 304H is ideal for high-temperature environments, offering long-term service stability. These properties make them highly reliable for critical infrastructure and minimize downtime, repairs, and replacement costs.

One major benefit of working with Stainless Steel 304/304L/304H Buttweld Fittings Stockists like Sandvik is immediate availability and fast delivery of standard and customized fittings. This is vital for maintenance shutdowns, large-scale projects, or tight build schedules. Plus, Sandvik’s in-house quality checks ensure each product meets stringent performance standards before dispatch.

Applications and Uses Across Industries: These fittings are used in a wide range of industries. In the chemical and petrochemical sector, they resist aggressive substances. In food and beverage production, their hygienic properties are crucial. Power plants and refineries use 304H for its high-temperature resilience. Even in construction and water treatment plants, these fittings ensure structural integrity and corrosion resistance over decades of use.

As a prominent Stainless Steel 304/304L/304H Buttweld Fittings Exporters, Sandvik serves clients across the globe, offering both standard and bespoke solutions. With an extensive export network, Sandvik guarantees timely delivery, competitive pricing, and world-class customer support.

Types of Stainless Steel 304/304L/304H Buttweld Fittings:

Elbows: 45°, 90°, and 180° elbows used to change pipe direction smoothly while maintaining flow efficiency.

Tees: Equal and reducing tees that allow for pipeline branching or distribution without pressure loss.

Reducers: Concentric and eccentric reducers used to join pipes of varying diameters while preventing turbulence.

Caps: End fittings used to block off or terminate a pipeline.

Stub Ends: Used in lap joint flange connections, allowing easy disassembly and maintenance of the pipeline.

In conclusion, whether you're designing a new industrial system or upgrading an existing one, choosing Sandvik’s Stainless Steel 304/304L/304H buttweld fittings guarantees unmatched reliability and efficiency. Built with precision, backed by expertise, and supported by a global supply chain — Sandvik is the partner you can trust for every critical piping requirement.

Specification of Stainless Steel 304/304L/304H Buttweld Fittings

Standards : ASTM, ASME
Designation : A 403, SA 403
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Grade : Stainless steel 304 Buttweld Pipe Fittings, SS 304 Butt weld
Type : Seamless, Welded
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Size : 1/2" to 24"
Two Joint / Two Halve 304 Butt weld Fittings Size : 6" to 48"
Types of Butt weld Fittings : Equal Tee, Nipple, Long Radius Elbow, Reducing Tee, Elbows, Swage Nipple, Short Radius Elbow, Reducer, Barrel Nipple, 90 Deg Elbow, Concentric Reducer, Reducing Nipple, 45 Deg Elbows, Eccentric Reducer, Bend, 180 Deg Elbow, End Cap, 1D Elbow, 3D Elbow, Stubend, 5D Elbow, Cap, Piggable Bend, Long Stubend, Tee, Short Stubend, Long Radius Bend

Equivalent Grades of Stainless Steel 304/304L/304H Buttweld Fittings

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 304 S30400 1.4301 Z7CN18‐09 X5CrNi18-10 SUS 304 304S31 08Х18Н10
SS 304L S30403 1.4306/1.4307 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11 SUS 304L 304S11 03Х18Н11
SS 304H S30409 1.4301 - - - - -

Chemical Composition of Stainless Steel 304/304L/304H Buttweld Fittings

C Mn Si P S Cr Ni N
304 0.07max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 10.5 —
304L 0.03max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 12.0 0.10 max
304H min: 18.0
max:20.0 		min: 8.0
max: 10.5 		min: 0.04
max:0.10 		0.75
max 		2.0
max 		0.045
max 		0.03
max 		0.10
max

Mechanical Properties of Stainless Steel 304/304L/304H Buttweld Fittings

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX Hardness (Rockwell B) MAX
304 75 30 40 201 92
304L 70 25 40 201 92
304H 75 30 40 201 92