Stainless Steel 316316L316H Pipe Fittings

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Stainless Steel 316316L316H Pipe Fittings

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Stainless Steel 316316L316H Pipe Fittings Specification

Tensile Strength
515 MPa min

Flexibility
Rigid

Tolerance
0.5 mm

Bend Radius
Standard as per ASME/ANSI

Thread Type
NPT / BSP / BSPT

Temperature Range
-196C to 870C

Diameter
Econometric to custom

Coating Type
No coating / Custom on request

Sealing Type
Metal-to-metal

Connection Type
Butt Weld / Socket Weld / Threaded

Yield Strength
205 MPa min

Product Type
Pipe Fittings

Material
Stainless Steel

Connection
Welded / Seamless / Threaded

Shape
Elbow, Tee, Reducer, Coupling, Cap, Cross, Nipple

Standard
ASTM A403 / ASME SA403

Surface Treatment
Polished / Pickled / Sand Blasting

Outer Diameter
1/8 NB to 48 NB

Section Shape
Round

Length
As required / Standard lengths

Thickness
Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS (as per requirement)

Color
Silver

Usage
Industrial piping, chemical processing

Rated Pressure
Up to 20 MPa (as per size and schedule)

Application
Oil & Gas, Petrochemical, Power Plant, Food Processing, Pharmaceuticals

Material Grade
316, 316L, 316H

Hardness
Rockwell B: 79 min

Corrosion Resistance
Excellent against acids, chlorides, and marine environments

Weight
Varies as per size and schedule

Packaging
Wooden cases, Palletized, Custom export packaging

Elongation
35% min

End Connection
Beveled, Plain, Threaded ends

Testing
Hydrostatic, Non-destructive, PMI, UT

Density
7.98 g/cm

Manufacturing Method
Cold/Hot Formed

Magnetism
Non-magnetic in annealed condition

Compliance
RoHS, REACH

About Stainless Steel 316316L316H Pipe Fittings

What Are Specification Stainless Steel 316/316L/316H 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 316/316L/316H Pipe Fittings?

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316	1.4301	S31600	SUS 316	316S31	081810	Z7CN1809	X5CrNi18-10
SS 316L	1.4306 / 1.4307	S31603	SUS 316L	3316S11	031811	Z3CN1810	X2CrNi18-9 / X2CrNi19-11
SS 316H	1.4948	S31609	SUS 316H

Chemical Composition Of Stainless Steel 316/316L/316H Pipe Fittings?

Grade	C	Mn	Si	P	S	Cr	Ni
SS 304	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 20	8 11
SS 304L	0.035 max	2 max	1.0 max	0.045 max	0.030 max	18 20	8 13
SS 304H	0.10 max	2 max	0.75 max	0.045 max	0.03 max	18 20	8 10.5

Mechanical Properties Of Stainless Steel 316/316L/316H Pipe Fittings?

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
SS 304	8.0 g/cm3	1400 C (2550 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	35 %
SS 304L	8.0 g/cm3	1400 C (2550 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	35 %
SS 304H	8.0 g/cm3	1400 C (2550 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	40 %

Exceptional Corrosion Resistance

316/316L/316H stainless steel pipe fittings provide excellent durability against acids, chlorides, and harsh marine conditions. Their advanced composition helps maintain integrity even in aggressive chemical environments, making them a trusted solution for industries requiring superior resistance to corrosion and pitting.

Flexible Manufacturing and Finishes

Available in cold or hot formed variants, these pipe fittings offer a range of surface treatments such as polishing, pickling, or sandblasting. You can request custom coating options, or stick with the corrosion-resistant silver finish, ensuring optimal performance and aesthetics for any installation.

Robust Testing and Compliance

Every fitting undergoes strict hydrostatic, non-destructive, PMI, and ultrasonic testing. These rigorous quality controls, alongside compliance with international standards like ASTM A403, ensure reliable performance under high pressure, temperature extremes, and critical applications.

FAQs of Stainless Steel 316316L316H Pipe Fittings:

Q: How are Stainless Steel 316/316L/316H pipe fittings tested for reliability?

A: These fittings undergo hydrostatic, non-destructive, positive material identification (PMI), and ultrasonic testing to verify structural integrity, chemical composition, and leak-proof performance before dispatch.

Q: What types of end connections are available for these pipe fittings?

A: You can choose from beveled, plain, or threaded end connections, including NPT, BSP, and BSPT threads, to suit various welding or joining techniques in industrial piping systems.

Q: When should I select 316, 316L, or 316H grade fittings for my application?

A: 316 is ideal for general corrosion resistance; 316L is preferred for applications requiring low carbon content to avoid sensitization during welding; 316H is chosen for higher temperature service due to increased carbon content enhancing strength.

Q: Where are these fittings commonly used?

A: They are widely utilized in oil and gas, petrochemical, power plants, food processing, and pharmaceutical industries due to their resistance to harsh chemicals, high pressure, and wide temperature ranges.

Q: What is the benefit of choosing these fittings for corrosive environments?

A: Their molybdenum-enriched composition offers protection against corrosive agents such as acids and chloride salts, ensuring long service life and minimal maintenance in marine and chemical settings.

Q: How are the fittings packaged for export?

A: Pipe fittings are securely packaged in wooden cases, palletized, or tailored in custom export packaging, preventing damage and ensuring safe delivery worldwide.

Q: What manufacturing processes are used for these fittings?

A: The fittings are produced using both cold and hot forming techniques, allowing for precise dimensional tolerances (0.5 mm) and a selection of sizes and schedules to accommodate specialized requirements.

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