SS 321 Pipe Fittings

Quality Oriented and ISO Approved Stainless Steel 321 Buttweld Pipe Fittings Manufacturer in India.

ASTM A403 SS 321 Buttweld Pipe Fittings Manufacturer
321 Stainless Steel Pipe Fittings Suppliers In Mumbai India

We Keep the stock of Stainless Steel 321 Buttweld Pipe Fittings manufactured using Standards – ASME/ANSI B16.9, ASME B16.28, MSS-SP-43/SP-79, BS4504 , BS4504, BS1560, BS10 with size range ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS (DN6~DN100) to satisfy any urgent small or large domestic and international inquiries at reasonable prices.

India’s one of the Leaders Amongst Manufacturers, Stockist, Exporters, and Global Suppliers of ASME/ANSI B16.9 / ANSI B16.28 / MSS SP-43/SP-79 / ASME SA403M Stainless Steel 321 Elbow, Tee, Reducers, Cross, Stub End, Nipple, Bend, End Cap, Collar, 321 Welded and Seamless Pipe Fittings, SS 1.4541 Buttweld Fittings.

Table Of Content
MOST PROFESSIONAL AND RECOGNIZED IN THE MANUFACTURING OF ASTM A403 STAINLESS STEEL 321 BUTTWELD 45/90/180 DEGREE LONG/SHORT RADIUS ELBOWS (1D/1.5D/3D/5D/10D) | SPLIT/EQUAL/REDUCING/LATERAL TEE | CONCENTRIC/ECCENTRIC REDUCER | EQUAL/REDUCING CROSS | LAP JOINT STUB ENDS | LONG/SHORT STUBEND | SWEDGE/BARREL/REDUCING PIPE NIPPLES | END CAP | COLLAR | WELDED/SEAMLESS FITTINGS.
Nuclear Industry
Refineries Industry
Offshore Oil Drilling Companies
Gas Processing
Hydrocarbon Processing Industry
Fertilizer Industry
Boiler Heat Exchanger Industry
Petrochemicals
Pharmaceutical Industry
Food Processing Dairy Industry
Engineering Industry
Paper Pulp Companies
Cement Industry
Piping Industry
Power Generation
Water Pipe Line
Construction
Nuclear Industry
Nuclear Industry
Refineries Industry
Refineries Industry
Offshore Oil Drilling Companies
Offshore Oil Drilling
Gas Processing
Gas Processing
Hydrocarbon Processing Industry
Hydrocarbon Processing
Fertilizer Industry
Fertilizer Industry
Boiler Heat Exchanger Industry
Boiler Heat Exchanger
Petrochemicals
Petrochemicals
Pharmaceutical Industry
Pharmaceutical Industry
Food Processing Dairy Industry
Food Processing Dairy Industry
Engineering Industry
Engineering
Paper Pulp Companies
Paper & Pulp Industry
Cement Industry
Cement Industry
Piping Industry
Piping Industry
Power Generation
Power Generation
Water Pipe Line
Water Pipe Line
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Industries We Served Happily

We offer huge stock of odd sizes & hard to find Standards – UNS, JIS, BS, GOST, AFNOR, EN, AISI SS 321 Pipe Fittings, DIN SS 1.4541 Pipe Fittings, SS WP321 Pipe Fittings, SS UNS S32100 Buttweld Fitting, Werkstoff No 1.4541 SS Buttweld Pipe Fittings, DIN 1.4541 321 SS Buttweld Fittings, ASTM A403 WP321 Pipe Fittings, 321 Buttweld Fittings at market leading prices from Mumbai, India.

ASTM A403 WP 321 Pipe Fitting Specifications

Specifications ASME SA403 / ASTM A403
Dimension Standard ASME/ANSI B16.9, MSS-SP-43/SP-79, ASME B16.28, ASME B16.25, ASME B16.49
Standard Size Range 1/2” NB TO 48” NB. (Fabricated, Seamless and 100% X-Ray Welded)
Manufacturing Type Fabricated / Seamless / Welded / ERW
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom
Wall Thickness / Schedule SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS / 3mm – 40mm
End Connection Butt Weld
Melting Point 1400-1450°C for (WP321)
Outside Diameter (OD) Seamless / Buttweld Fitting ( 1/2″～48″), ERW / Welded / Fabricated Buttweld Fitting (1/2″～48″)
Value Added Services Hot Dipped Galvanizing, Electro Polish, Sand Blasting, Epoxy & FBE Coating, Threading, Soldering
Other Standards MSS SP-75, ISO, SNSI, JIS, DIN, GB, DIN2617, JISB2311, JISB2312, JISB2313 / T12459GB / T13401, SH3408, SH3409HG / T21635HG / T21631SY / T05010
Material Test Certificates (MTC) As per EN 10204 3.2 and EN 10204 3.1, Certifying NACE MR0175, NACE MR0103
Materials AISI 321
Two Halve / Two Joint Buttweld Fittings Size 6″ to 48″
Manufacturing Specification ASME: ANSI B16.9, ANSI B16.28, ASME B16.25, MSS-SP-43, DIN: DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, EN: EN10253-1, EN10253-2
A403 SS Seamless Fittings Size: 15 NB to 300 NB | Sch.& Swg: Sch.5 to Sch.XXs
A403 SS Welded Fittings Size: 15 NB to 600 NB | Sch.& Swg: Sch.5 to Sch.80s

Petromat Oil & Gas Equipment Pvt. Ltd, is a dominant Manufacturer, Supplier and Exporter of stainless steel 321 Butt weld Pipe Fittings that are being composed consistent with the national and worldwide standard nature of raw materials and during this manner ensuring their strength and high caliber. We offer 321 stainless steel Pipe Fittings as per the wants of our customers and deliver quality products on time. We also offer wide selection of SS 321 elbows, stainless steel 321 reducing elbows, 321 SS tee, SS 321 cross, 321 SS pipe reducers, etc. We are having experienced in globally supplying these SS Elbow to vary countries like Italy, Russia, Norway, Germany.

Grades 321 and 347 are the essential austenitic 18/8 steel (Grade 304) stabilised by Titanium (321) or Niobium (347) additions. These 347 grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850 °C. Grade 321 SS is the grade of choice for the applications within temperature of up to 900 °C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion.

Grade 321 have a excellent welding characteristics, are readily brake or roll formed and have outstanding welding characteristics. Post-weld annealing isn’t required. They even have excellent toughness, even right down to cryogenic temperatures. Grade 321 doesn’t polish well, so isn’t recommended for decorative applications.

ASTM A403 WP321 Stainless Steel Buttweld Pipe Fitting Types

ASTM A403 SS 321 45 Degree Elbow

ASTM A403 SS 321 45 Degree Long Radius Elbow
ASTM A403 SS 321 45 Degree Short Radius Elbow
Price Range: $3.00 – $100.00 / Piece

ASTM A403 SS 321 45 Degree Elbow
ASTM A403 SS 321 90 Degree Elbow

ASTM A403 SS 321 90 Degree Long Radius Elbow
ASTM A403 SS 321 90 Degree Short Radius Elbow
Price Range: $13.00 – $36.00 / Piece

ASTM A403 SS 321 90 Degree Elbow
ASTM A403 SS 321 180 Degree Elbow

ASTM A403 SS 321 180 Degree Long Radius Elbow
ASTM A403 SS 321 180 Degree Short Radius Elbow
Price Range: $35.00 – $100.00 / Piece

ASTM A403 SS 321 180 Degree Elbow
ASTM A403 SS 321 Butt weld Elbow

ASTM A403 SS 321 1D Elbow
ASTM A403 SS 321 1.5D Elbow
ASTM A403 SS 321 3D Elbow
ASTM A403 SS 321 5D Elbow
Price Range: $7.00 – $20.00 / Piece

ASTM A403 SS 321 Butt weld Elbow
ASTM A403 SS 321 Tee

ASTM A403 SS 321 Equal Tee
ASTM A403 SS 321 Reducing Tee
ASTM A403 SS 321 Lateral Tee
ASTM A403 SS 321 Split Tee
Price Range: $1.00 – $50.00 / Piece

ASTM A403 SS 321 Tee
ASTM A403 SS 321 Reducers

ASTM A403 SS 321 Concentric Reducer
ASTM A403 SS 321 Eccentric Reducer
Price Range: $2.00 – $60.00 / Piece

ASTM A403 SS 321 Reducers
ASTM A403 SS 321 Cross

ASTM A403 SS 321 Equal Cross
ASTM A403 SS 321 Reducing Cross
Price Range: $1.10 – $50.00 / Piece

ASTM A403 SS 321 Cross
ASTM A403 SS 321 Stub End

ASTM A403 SS 321 Lap Joint Stub Ends
ASTM A403 SS 321 Long Stubend
ASTM A403 SS 321 Short Stubend
Price Range: $1.29 – $31.47 / Piece

ASTM A403 SS 321 Stub End
ASTM A403 SS 321 Nipple

ASTM A403 SS 321 Swedge Nipple
ASTM A403 SS 321 Pipe Nipples
ASTM A403 SS 321 Barrel Nipple
ASTM A403 SS 321 Reducing Nipple
Price Range: $2.00 – $10.00 / Piece

ASTM A403 SS 321 Nipple
ASTM A403 SS 321 Bend

ASTM A403 SS 321 Piggable Bend
ASTM A403 SS 321 J Pipe Bend
ASTM A403 SS 321 U Pipe Bend
ASTM A403 SS 321 Long Radius Bend
Price Range: $5.00 – $30.00 / Piece

ASTM A403 SS 321 Bend
ASTM A403 SS 321 Pipe Cap

ASTM A403 SS 321 End Cap
ASTM A403 SS 321 Collar
Price Range: $1.00 – $12.00 / Piece

ASTM A403 SS 321 Pipe Cap
ASTM A403 SS 321 Seamless Fittings

ASTM A403 SS 321 Seamless 180° Returns
ASTM A403 SS 321 Seamless 45° & 90° Elbows
Price Range: $1.00 – $12.00 / Piece

ASTM A403 SS 321 Seamless Fittings

NOTE: Price may vary according to the Market Standard, Total Quantity Ordered and Type of Material(Grades). Contact Us for Further Queries.

Buttweld Stainless Steel ASTM A403 WP321 Pipe Fittings

Seamless/Welded 100% Radiography Tested
Products Size
ASTM A403 WP321 Stainless Steel Elbows – Long Radius ASTM A403 WP321 Stainless Steel Stub Ends Sizes 1/2″ – 48″
ASTM A403 WP321 Stainless Steel Elbows – Short Radius ASTM A403 WP321 Stainless Steel Crosses
ASTM A403 WP321 Stainless Steel Reducing Elbows ASTM A403 WP321 Stainless Steel Reducing Crosses
ASTM A403 WP321 Stainless Steel 45° Elbows ASTM A403 WP321 Stainless Steel 180° LR Return Bends
ASTM A403 WP321 Stainless Steel Tees ASTM A403 WP321 Stainless Steel 180° SR Return Bends
ASTM A403 WP321 Stainless Steel Tees ASTM A403 WP321 Stainless Steel Pipe Bends / Piggable Bends
ASTM A403 WP321 Stainless Steel Reducers ASTM A403 WP321 Stainless Steel Couplings
ASTM A403 WP321 Stainless Steel Concentric Reducers ASTM A403 WP321 Stainless Steel Pipe Nipples
ASTM A403 WP321 Stainless Steel Eccentric Reducers ASTM A403 WP321 Stainless Steel 90° LR / SR Elbow
ASTM A403 WP321 Stainless Steel 3D Elbow ASTM A403 WP321 Stainless Steel End Caps
ASTM A403 WP321 Stainless Steel 5D Elbow ASTM A403 WP321 Stainless Steel 45° LR / SR Elbow

Grade WP321 Buttweld Pipe Fittings Classes

CR Corrosion-resistant grade. S through WU Classes does not apply.
WP-S Seamless
WP-W Welded, UT or RT all pipes starting material welds made with the filler metal. All 321 pipe fittings manufacturer welds except as excluded in A/SA403 paragraph 5.4.3.
If UT is substituted for RT, all welds must be examined 100% for their length as required by A/SA403 paragraph 5.6
WP-WX RT all welds with or without filler metal.
WP-WU UT all welds with a filler or without filler metal.
WP grade-grade-class Insert grades (321) and class (S,W,WX, or WU). Applies to fittings meeting all physical and chemical requirements of both grades.

Stainless Steel ASTM A403 WP321 Fittings Manufacturing Standards

ASTM A403/A403M Wrought Austenitic SS Piping Fittings
ASME B16.9 Factory-Made Wrought Fittings Buttwelding
MSS SP-43 Wrought & Fabricated Butt-Welding Fitting for Low Pressure, Corrosion Resistant Applications
BS3799 – Specification for pipe fittings, Socket-welding and threaded/screwed fitting for the petroleum industry
ASTM A403 – ASME SA403 Standard Specification for Wrought Austenitic SS Piping Fitting
ASME Standard ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43
DIN Standard DIN28011, DIN2617, DIN2616, DIN2615, DIN2605
EN Standard EN10253-2, EN10253-1
ASME B16.25 Buttwelding Ends
ASME B16.28 Wrought Steel SR Elbows and Buttwelding Returns
API 590-605
ASME B16.9 		‘Factory-Made Wrought Butt-welding Fittings’

UNS S32100 Buttweld Fittings Equivalent Grade Chart

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
321 321 Stainless S32100 1.4541 7.92

ASTM A403 WP321 Stainless Steel Buttweld Fittings Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Other
321 min.
max		 –
0.08		 2.00 0.75 0.045 0.030 17.0
19.0		 – 9.0
12.0		 0.10 Ti=5(C+N)
0.70

321 SS Pipe Fittings Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
321 515 205 40 95 217

321 Stainless Steel Buttweld Pipe Fittings Dimensions & Weight Chart

ASTM A403 WP321 Stainless Steel Elbows and Returns Pipe Fittings (NPS 1/2 to 24, Schedule STD/XS)- Dimensions and Weights.

Nominal
Pipe
Size
(inches)		 Outside
Diameter		 45°Elbows 90° Elbows 180° Returns
Long Radius Long Radius Short Radius Long Radius
(mm) (inches) Center to Face
(inches)		 Radius
(inches)		 Center to Face
(inches)		 Center to Face
(inches)		 Center to Center
(inches)		 Back to face
(inches)
1 33.4 1.315 7/8 1 1/2 1 3 2 3/16
1/2 21.3 0.840 5/8 1 1/2 – 2 1 7/8
3/4 26.7 1.050 7/16 1 1/8 – 2 1/4 1 11/16
1 1/4 42.2 1.660 1 1 7/8 1 1/4 3 3/4 2 3/4
1 1/2 48.3 1.900 1 1/8 3 2 1/4 1 1/2 4 1/2 3 1/4
2 60.3 2.375 1 3/8 4 3 2 6 4 3/16
2 1/2 73.0 2.875 1 3/4 5 3 3/4 2 1/2 7 1/2 5 3/16
3 88.9 3.500 2 6 4 1/2 3 9 6 1/4
3 1/2 101.6 4.000 2 1/4 7 5 1/4 3 1/2 10 1/2 7 1/4
4 114.3 4.500 2 1/2 8 6 4 12 8 1/4
5 141.3 5.563 3 1/8 10 7 1/2 5 15 10 5/16
6 168.3 6.625 3 3/4 12 9 6 18 12 5/16
8 219.1 8.625 5 12 12 8 24 16 5/16
10 273.1 10.750 6 1/4 15 15 10 30 20 3/8
12 323.9 12.750 7 1/2 18 18 12 36 24 3/8

ASTM A403 WP321 SS Caps, Straight Tees & Crosses, Stub Ends Pipe Fittings (NPS 1/2 to 24, Schedule STD/XS)- Dimensions and Weights.

Nominal
Pipe
Size
(inches)		 Outside
Diameter		 Caps Straight Crosses Straight Tees Stub Ends
(mm) (inches) Length
(inches)		 Center to End
(inches)		 Center to End
(inches)		 Lap Diameter
(inches)		 Long Length
(inches)		 Short Length
(inches)
1 33.4 1.315 1 1/2 1 1/2 1 1/2 2 4 2
1/2 21.3 0.840 1 – 1 1 3/8 3 2
3/4 26.7 1.050 1 – 1 1/8 1 11/16 3 2
1 1/4 42.2 1.660 1 1/2 1 7/8 1 7/8 2 1/2 4 2
1 1/2 48.3 1.900 1 1/2 2 1/4 2 1/4 2 7/8 4 2
2 60.3 2.375 1 1/2 2 1/2 2 1/2 3 5/8 6 2 1/2
2 1/2 73.0 2.875 1 1/2 3 3 4 1/8 6 2 1/2
3 88.9 3.500 2 3 3/8 3 3/8 5 6 2 1/2
3 1/2 101.6 4.000 2 1/2 3 3/4 3 3/4 5 1/2 6 3
4 114.3 4.500 2 1/2 4 1/8 4 1/8 6 3/16 6 3
5 141.3 5.563 3 4 7/8 4 7/8 7 5/16 8 3
6 168.3 6.625 3 1/2 5 5/8 5 5/8 8 1/2 8 3 1/2
8 219.1 8.625 4 7 7 10 5/8 8 4
10 273.1 10.750 5 8 1/2 8 1/2 12 3/4 10 5
12 323.9 12.750 6 10 10 15 10 6

ASTM A403 WP321 SS Reducers Pipe Fittings (NPS 1/2 to 24, Schedule STD/XS)- Dimensions and Weights.

Nominal
Pipe
Size		 Outside
Diameter		 Reducers
Reduced from
(inches)		 (mm) (inches) Reduced to
(inches)		 Concentric & Eccentric Length
(inches)
1 33.4 1.315 3/8 2
1/2 2
3/4 2
1/2 21.3 0.840 1/4 1 1/2
3/8 1 1/2
3/4 26.7 1.050 3/8 2
1/2 2
1 1/4 42.2 1.660 1/2 2
3/4 2
1 2
1 1/2 48.3 1.900 1/2 2 1/2
3/4 2 1/2
1 2 1/2
1 1/4 2 1/2
2 60.3 2.375 3/4 3
1 3
1 1/4 3
1 1/2 3
2 1/2 73.0 2.875 1 3 1/2
1 1/4 3 1/2
1 1/2 3 1/2
2 3 1/2
3 88.9 3.500 1 3 1/2
1 1/2 3 1/2
2 3 1/2
2 1/2 3 1/2
3 1/2 101.6 4.000 1 1/4 4
1 1/2 4
2 4
2 1/2 4
3 4
4 114.3 4.500 1 1/2 4
2 4
2 1/2 4
3 4
3 1/2 4
5 141.3 5.563 2 5
2 1/2 5
3 5
3 1/2 5
4 5
6 168.3 6.625 2 1/2 5 1/2
3 5 1/2
3 1/2 5 1/2
4 5 1/2
5 5 1/2
8 219.1 8.625 3 6
3 1/2 6
4 6
5 6
6 6
10 273.1 10.750 4 7
5 7
6 7
8 7
12 323.9 12.750 5 8
6 8
8 8
10 8
Stainless Steel 321 Buttweld Pipe Fittings Dimension

Available Grades of Stainless Steel Pipe Fittings

SS 304 Pipe Fittings SS 304L Pipe Fittings SS 304H Pipe Fittings
SS 310 Pipe Fittings SS 310S Pipe Fittings SS 310H Pipe Fittings
SS 316 Pipe Fittings SS 316L Pipe Fittings SS 316H Pipe Fittings
SS 316Ti Pipe Fittings SS 317 Pipe Fittings SS 317L Pipe Fittings
SS 321 Pipe Fittings SS 321H Pipe Fittings SS 347 Pipe Fittings
SS 446 Pipe Fittings SS 410 Pipe Fittings SS 904L Pipe Fittings

Top Nations we Export and Supply ASTM A403 SS 321 Butt weld Pipe Fittings

  • Afghanistan
  • Algeria
  • Angola
  • Argentina
  • Australia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Bhutan
  • Bolivia
  • Brazil
  • Bulgaria
  • Canada
  • Chile
  • China
  • Colombia
  • Costa Rica
  • Croatia
  • Czech Republic
  • Denmark
  • Ecuador
  • Egypt
  • Estonia
  • Finland
  • France
  • Gabon
  • Ghana
  • Greece
  • Hong Kong
  • Hungary
  • India
  • Indonesia
  • Iran
  • Iraq
  • Israel
  • Italy
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Lebanon
  • Libya
  • Lithuania
  • Malaysia
  • Mexico
  • Mongolia
  • Morocco
  • Netherlands
  • New Zealand
  • Nigeria
  • Norway
  • Oman
  • Pakistan
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Qatar
  • Romania
  • Russia
  • Saudi Arabia
  • Serbia
  • Singapore
  • Slovakia
  • South Africa
  • South Korea
  • Spain
  • Sri Lanka
  • Sweden
  • Switzerland
  • Taiwan
  • Thailand
  • Trinidad & Tobago
  • Tunisia
  • Turkey
  • Ukraine
  • United Arab Emirates (UAE)
  • United Kingdom (UK)
  • United States (US)
  • Venezuela
  • Vietnam
  • Yemen
  • Aberdeen
  • Abu Dhabi
  • Afghanistan
  • Ahmedabad
  • Ahvaz
  • Al Jubail
  • Al Khobar
  • Algiers
  • Ankara
  • Atyrau
  • Bangkok
  • Bengaluru
  • Bhopal
  • Bogota
  • Brisbane
  • Busan
  • Cairo
  • Calgary
  • Caracas
  • Chandigarh
  • Chennai
  • Chiyoda
  • Coimbatore
  • Colombo
  • Courbevoie
  • Dallas
  • Dammam
  • Doha
  • Dubai
  • Edmonton
  • Ernakulam
  • Faridabad
  • Geoje-si
  • Gimhae-si
  • Granada
  • Gurgaon
  • Hanoi
  • Haryana
  • Ho Chi Minh City
  • Hong Kong
  • Houston
  • Howrah
  • Hyderabad
  • Indore
  • Istanbul
  • Jakarta
  • Jeddah
  • Karachi
  • Kolkata
  • Kuala Lumpur
  • Kuwait City
  • La Victoria
  • Lagos
  • Lahore
  • London
  • Los Angeles
  • Ludhiana
  • Madrid
  • Manama
  • Melbourne
  • Mexico City
  • Milan
  • Montreal
  • Moscow
  • Mumbai
  • Muscat
  • Navi Mumbai
  • New Delhi
  • New York
  • Noida
  • Perth
  • Petaling Jaya
  • Pimpri-Chinchwad
  • Port-of-Spain
  • Pune
  • Rajkot
  • Rio de Janeiro
  • Riyadh
  • Santiago
  • Secunderabad
  • Seoul
  • Sharjah
  • Singapore
  • Surat
  • Sydney
  • Tehran
  • Thane
  • Thiruvananthapuram
  • Toronto
  • Ulsan
  • Vadodara
  • Visakhapatnam
  • Vung Tau

ASTM A403 Stainless Steel 321 Pipe Fittings Applications

Off-Shore Oil Drilling Companies Power Generation Gas Processing Petrochemicals
Pharmaceutical Equipment Specialty Chemicals Chemical Equipment Pharmaceuticals
Pulp & Paper Industry Sea Water Equipment Heat Exchangers Condensers

Call +91 99679 94496 / +91-22-2388 3775 / 76 OR
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