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Stainless Steel 310310S Pipe Fittings

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Stainless Steel 310310S Pipe Fittings Specification

Temperature Range
Up to 1150C (2102F)

Thread Type
NPT/BSP (for threaded fittings)

Tensile Strength
520 MPa min

Yield Strength
205 MPa min

Bend Radius
Standard as per fitting type

Diameter
Nominal sizes 1/2 to 24

Sealing Type
Metal-to-Metal

Coating Type
Uncoated/Natural

Tolerance
0.5 mm

Connection Type
Welded / Threaded / Flanged

Flexibility
Rigid

Product Type
Pipe Fittings

Material
Stainless Steel 310/310S

Connection
Butt Weld / Socket Weld / Threaded

Shape
Elbow, Tee, Reducer, Stub End, Cap, Cross

Standard
ASTM A403 / ASME SA403

Surface Treatment
Pickled, Annealed

Outer Diameter
1/2 (21.34 mm) to 24 (609.6 mm)

Section Shape
Round

Length
Up to 18 inches (varies by fitting type)

Thickness
1.5 mm to 20 mm

Color
Silver/Grey

Usage
Industrial Piping, Petrochemical, Power Plant, High-Temperature Service

Rated Pressure
SCH 10S to SCH XXS

Material Grade
SS 310 / SS 310S

Application
Chemical Processing, Heat Exchangers, Furnace Parts

Form
Seamless and Welded

End Type
Beveled, Plain, Threaded Ends

Hardness
217 HB max

Heat Treatment
Solution Annealed (1040C 1150C)

Corrosion Resistance
Excellent in oxidizing atmospheres

Standards Compliance
DIN, EN, ISO, JIS (on request)

Density
7.9 g/cm

Magnetism
Non-magnetic in annealed condition

About Stainless Steel 310310S Pipe Fittings

What Are Specification Stainless Steel 310/310S Pipe Fittings?

Standards :	ASTM, ASME
Designation :	A 403, SA 403
Dimension Standard :	ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Grade :	Stainless Steel 304L Buttweld Pipe Fittings, SS 304L 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 material Of Stainless Steel 310/310S Pipe Fittings?

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 310	1.4841	S31000	SUS 310	310S24	20Ch25N20S2		X15CrNi25-20
SS 310S	1.4845	S31008	SUS 310S	310S16	20Ch23N18		X8CrNi25-21

Chemical Composition Of Stainless Steel 310/310S Pipe Fittings?

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 310	0.015 max	2.0 max	0.15 max	0.020 max	0.015 max	24.00 26.00	0.10 max	19.00 21.00	54.7 min
SS 310S	0.08 max	2.0 max	1.00 max	0.045 max	0.030 max	24.00 26.00	0.75 max	19.00 21.00	53.095 min

Mechanical Properties Of Stainless Steel 310/310S Pipe Fittings?

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
7.9 g/cm3	1402 C (2555 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	40 %

Outstanding Performance in High Temperatures

Engineered for resilience, Stainless Steel 310/310S pipe fittings can withstand continuous service up to 1150C (2102F). Their superior heat resistance makes them essential for furnace components, heat exchangers, and industrial piping systems exposed to elevated temperatures.

Versatile Shapes and Connection Types

These fittings are available in a diverse range of shapes including elbows, tees, reducers, stub ends, caps, and crosses, with connection types such as butt weld, socket weld, and threaded options (NPT/BSP). This flexibility allows for easy integration into various piping designs and replacement needs.

Compliance and Quality Assurance

Manufactured in strict accordance with ASTM A403/ASME SA403 and available with DIN, EN, ISO, or JIS compliance upon request, each fitting undergoes solution annealing for optimum mechanical properties. Tolerances are maintained within 0.5 mm and pressure ratings range from SCH 10S to SCH XXS.

FAQs of Stainless Steel 310310S Pipe Fittings:

Q: How do Stainless Steel 310/310S pipe fittings resist corrosion in high-temperature environments?

A: These fittings exhibit excellent corrosion resistance, particularly in oxidizing atmospheres, due to their elevated chromium and nickel content. Their solution annealed and pickled surfaces further enhance durability, making them ideal for industrial environments prone to oxidation and scaling.

Q: What standards do SS 310/310S pipe fittings comply with, and can they be customized for specific requirements?

A: SS 310/310S pipe fittings are manufactured under ASTM A403 and ASME SA403 standards. On request, fittings can also be supplied with DIN, EN, ISO, or JIS compliance to meet specific project needs, ensuring they are suitable for global industrial applications.

Q: When should seamless versus welded pipe fittings be used?

A: Seamless fittings offer superior strength and are preferred for critical, high-pressure applications, whereas welded fittings are more economical and suitable for standard industrial piping with moderate pressures and temperatures. Choice depends on system requirements and safety standards.

Q: Where are Stainless Steel 310/310S pipe fittings commonly used?

A: These fittings are widely used in chemical processing, petrochemical industries, power generation plants, heat exchangers, and furnace parts due to their ability to handle high temperatures and corrosive substances.

Q: What is the process for heat treating SS 310/310S pipe fittings?

A: All fittings are solution annealed between 1040C and 1150C, followed by rapid cooling. This process ensures optimal mechanical properties, maintains the non-magnetic condition, and increases ductility and corrosion resistance.

Q: How does the design ensure a secure and leak-proof connection?

A: Stainless Steel 310/310S fittings utilize metal-to-metal sealing and can be supplied in beveled, plain, or threaded ends, which, in conjunction with precise dimensional tolerances (0.5 mm), guarantee tight connections for safe, leak-free operation.

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