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We supply high quality of ASTM A403 WP321H Pipe Fittings, Get discount of 321H Stainless steel Buttweld Elbows, Check Dimensions of Stainless Steel 321H buttweld pipe fittings

View Market price list of SS 321h Long Radius Elbow & SS 321h Short Radius Elbow, SS 321h End Cap Distributors, Stainless Steel UNS S32109 Seamless 3d Pipe Bend Fittings Manufacturers in Bengaluru

ASTM A403 WP321H Pipe Fittings

ASTM A403 WP321H Pipe Fittings

321H Stainless steel Buttweld Elbows

321H Stainless steel Buttweld Elbows

SS 321h Short Radius Elbow

SS 321h Short Radius Elbow

Nidhi Pipes is one of the leading Exporters and Suppliers of high quality ASTM A403 WP321H Pipe Fittings & 321H Stainless steel Buttweld Elbows, Stainless steel 321H Buttweld Pipe Fittings and ISO 9001:2008 certified company in India. We are provide wide range of SS 321h Buttweld fittings that are designed as per the international standards of ASTM, BS, JIS, DIN, API, ASME, AISI, ANSI, NACE and MSSP. Stainless Steel 321h Seamless Pipe Fittings are Available in all different grades & sizes and shapes.

We are Manufacturers of (ASME B16.9, DIN, EN), A403 WP321H Stainless Steel Long/ Short Radius Elbows, A403 WP321H Stainless Steel 90º Elbows & 45º Elbows, Stainless Steel 321H Long Radius Elbow, A403 WP321H Stainless Steel Elbow, SS 321H Tees, 321H SS Pipe Fittings, SS 321H Couplings, SS 321H Reducers, 321H Stainless Steel socket weld tees, SS 321H Inserts, SS 321H Caps, Stainless Steel 321H Nipples, SS Grade WP321H Pipe Elbow, SS WP321H Pipe Fittings, A403 WP321H Stainless Steel Cross, SS 321H Crosses, SS UNS S321H09 Buttweld Fitting, ASME SA403M SS 321H Reducer, Stainless Steel 321H Bends, A403 WP321H Stainless Steel Reducer, 321H Stainless Steel socket weld cross, SS 321H Unions for the Gas, Oil, Petro-Chemical, Nuclear and Process Industries.

Grade 321H stainless steel butt weld Pipe fitting is a modification of 321 stainless steel pipe fitting with a higher carbon content, to provide improved high temperature strength.

We Provide a complete range of SS 321h 90 Degree Elbow and SS 321h 45 Degree Elbow, Check Werkstoff No 1.4878 Buttweld Pipe Fittings Sizes and weight chart, Traders of Stainless Steel 321h 180 Deg bend


ASTM A182 321h | Compression Fittings | 24″ Fabricated 321h Fittings | 36″ ASTM A403 WP 321h Elbow | 30″ ASTM A403 WP 321h Elbow | ASTM A182 321h 6000# Threaded Elbow | ASTM A403 WP 321h Fittings | ASTM A403 WP 321 h | A403 WP 321h Pipe Fittings | A403 wp 321h

ASTM A403 WP 321h Unequal Tee 24″ x 12″ SCH 160 | ASTM A403 WP 321h Seamless Buttweld Fittings | ASTM A403 WP 321h 100% X-Ray Welded Buttweld Fittings | ASTM A403 WP 321h ANSI B16.9 Fittings | Seamless Reducing Tee, ASTM A403 WP Grade | ASTM A403 WP 321h 36″ Long Radius Elbow | ASTM A403 WP 321h 24″ Equal Tee SCH XXS | ASTM A403 WP 321h 36″ SCH 160 Short Radius Bends | ASTM A403 WP 321h 24″ Concentric Reducer SCH 80S


Stainless SteelTradenameUNS no.Werkstoff No.Density (g/cm3)
321321 StainlessS321001.45417.92
321H321H StainlessS321091.48787.92

Available Grades In Stainless Steel Pipe Fittings :


Available Types of ASTM A403 WP321h Stainless Steel Pipe Fittings / A403 WP321h SS Pipe Fittings


ASTM A403 WP321h Stainless Steel Pipe Fittings, A403 Gr WP321h Stainless Steel Pipe Fittings Production Range

TypeSeamless / Welded / Fabricated
SpecificationASTM A182 / A403 & ASME SA182 / SA403
Range½”NB to 48”NB in Sch 10s, 40s, 80s, 160s, XXS.
Variants321, 321H
Bending RadiusR=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
DimensionsANSI/ASME B16.9, B16.28, MSS-SP-43.

ASTM A403 WP321h Stainless Steel Buttweld Pipe Fittings, A403 Gr WP321h Stainless Steel Pipe Fittings

Seamless/Welded 100% Radiography Tested

ProductsSize
ASTM A403 WP321h Stainless Steel Elbows – Long RadiusASTM A403 WP321h Stainless Steel Stub EndsSizes 1/2″ – 48″
ASTM A403 WP321h Stainless Steel Reducing ElbowsASTM A403 WP321h Stainless Steel Reducing Crosses
ASTM A403 WP321h Stainless Steel Elbows – Short RadiusASTM A403 WP321h Stainless Steel Crosses
ASTM A403 WP321h Stainless Steel 180° LR Return BendsASTM A403 WP321h Stainless Steel 45° Elbows
ASTM A403 WP321h Stainless Steel TeesASTM A403 WP321h Stainless Steel Pipe Bends / Piggable Bends
ASTM A403 WP321h Stainless Steel TeesASTM A403 WP321h Stainless Steel 180° SR Return Bends
ASTM A403 WP321h Stainless Steel Concentric ReducersASTM A403 WP321h Stainless Steel Pipe Nipples
ASTM A403 WP321h Stainless Steel ReducersASTM A403 WP321h Stainless Steel Couplings
ASTM A403 WP321h Stainless Steel Eccentric ReducersASTM A403 WP321h Stainless Steel Forged/Plate Cut Rings
ASTM A403 WP321h Stainless Steel 5D ElbowASTM A403 WP321h Stainless Steel Forged / Plate Circles
ASTM A403 WP321h Stainless Steel 3D ElbowASTM A403 WP321h Stainless Steel End Caps

ASTM A403 WP321h Stainless Steel Pipe Fittings Manufacturing Standards

  • MSS SP-95 – Swage(d) Nipples and Bull Plugs
  • BS3799 – Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry
  • ASTM A182 – ASME SA182 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
  • MSS SP-43 – Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
  • ASME B16.9 – Factory-Made Wrought Buttwelding Fittings
  • ASME B16.11 – Socket Welding and Threaded Forged Fittings

Types of ASTM A403 Stainless Steel Pipe fittings Available in Stock


High Pressure ASTM A403 WP321h Stainless Steel Forged Fittings

Threaded and Socket Weld Pipe Fittings

ProductsSize
ASTM A403 WP321h Stainless Steel CouplingsASTM A403 WP321h Stainless Steel 90° Elbows

Sizes 1/8″ – 4″

Pressure Ratings –

2000 LBS, 3000 LBS,

6000 LBS, 9000 LBS

ASTM A403 WP321h Stainless Steel Street ElbowsASTM A403 WP321h Stainless Steel Inserts
ASTM A403 WP321h Stainless Steel 45° ElbowsASTM A403 WP321h Stainless Steel Reducers
ASTM A403 WP321h Stainless Steel CrossesASTM A403 WP321h Stainless Steel Unions
ASTM A403 WP321h Stainless Steel TeesASTM A403 WP321h Stainless Steel Caps

Chemical Composition of ASTM A403 WP321h Stainless Steel Pipe Fittings :

GradeCMnSiPSCrMoNiNOther
321min. max- 0.082.000.750.0450.03017.0 19.0-9.0 12.00.10Ti=5(C+N) 0.70
321Hmin. max0.04 0.102.000.750.0450.03017.0 19.0-9.0 12.0-Ti=4(C+N) 0.70
347min. max0.082.000.750.0450.03017.0 19.0-9.0 13.0-Nb=10(C+N) 1.0

Mechanical Properties of ASTM A403 WP321h Stainless Steel Pipe Fittings

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) maxBrinell (HB) max
3215152054095217
321H5152054095217
3475152054092201
321H also has a requirement for a grain size of ASTM No 7 or coarser.

Physical Properties of ASTM A403 WP321h Stainless Steel Pipe Fittings

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C0-315°C0-538°Cat 100°Cat 500°C
321h802719316.6

  • Thermal conductivity: 16.2 W/m-k (100°C)
  • Modulus of Elasticity (MPa): 193 x 103 in tension
  • Melting Range: 2500-2550°F (1371-1399°C)
  • Density: 0.799g/cm3
  • Electrical resistivity: 74 microhm-cm (20C)
  • Specific Heat: 0.50 kJ/kg-K (0-100°C)

  • Though Some Residual Magnetism Can Be Introduced When The Material Is Cold Worked.
  • A2 / 321h Stainless Steel Is One Of The Most Highly Corrosion-Resistant Materials Available To The Designer And Engineer.
  • DIN/ISO A2 Stainless Steel Is A Corrosion Resistant Steel; It Is Also Known As ASTM-321h.
  • A2 / ASTM-321h Is An 18/8 Stainless Steel : This Designates A Metallurgical Content Of 18% Chromium & 8% Nickel.
  • A2 / 321h Stainless Steel Is What Is Known As An Austenitic Stainless Steel : It Is (Mostly) Non-Magnetic.
  • A Bolt Marked A2-70 Is A 321h Stainless Steel Bolt With A 700 N/mm2 Tensile Strength (See Below Table).
    The -70 Representing The Tensile Strength Divided By 10.
    -50 & -80 Grades Are Also Available But Are Not All That Common.

We have Ready Stock of All Different Types Of ASTM A403 WP321h Stainless Steel Pipe Fittings

ASTM A403 WP321h Stainless Steel Eccentric Reducer / ASTM A403 WP321h SS Eccentric Reducer

ASTM A403 WP321h Stainless Steel Eccentric Reducer /ASTM A403 WP321h SS Eccentric Reducer

ASTM A403 WP321h Stainless Steel Reducer Concentric / ASTM A403 WP321h SS Reducer Concentric

ASTM A403 WP321h Stainless Steel Reducer Concentric / ASTM A403 WP321h SS Reducer Concentric

ASTM A403 WP321h Stainless Steel Expansion joint /ASTM A403 WP321h SS Expansion joint

ASTM A403 WP321h Stainless Steel Expansion joint / ASTM A403 WP321h SS Expansion joint

ASTM A403 WP321h Stainless Steel Elbow Reducing / ASTM A403 WP321h SS Elbow Reducing

ASTM A403 WP321h Stainless Steel Elbow Reducing / ASTM A403 WP321h SS Elbow Reducing

ASTM A403 WP321h Stainless Steel Elbow 90 Degre / ASTM A403 WP321h SS Elbow 90 Degre

ASTM A403 WP321h Stainless Steel Elbow 90 Degre / ASTM A403 WP321h SS Elbow 90 Degre

ASTM A403 WP321h Stainless Steel Elbow 45 Degree / ASTM A403 WP321h SS Elbow 45 Degree

ASTM A403 WP321h Stainless Steel Elbow 45 Degree / ASTM A403 WP321h SS Elbow 45 Degree

ASTM A403 WP321h Stainless Steel Tee Standard / ASTM A403 WP321h SS Tee Standard

ASTM A403 WP321h Stainless Steel Tee Standard / ASTM A403 WP321h SS Tee Standard

ASTM A403 WP321h Stainless Steel Elbow Fittings / ASTM A403 WP321h SS Elbow Fittings

ASTM A403 WP321h Stainless Steel Elbow Fittings / ASTM A403 WP321h SS Elbow Fittings

ASTM A403 WP321h Stainless Steel Cap / ASTM A403 WP321h SS Cap

ASTM A403 WP321h Stainless Steel Cap /ASTM A403 WP321h SS Cap

ASTM A403 WP321h Stainless Steel Cross Fitting / ASTM A403 WP321h SS Cross Fitting

ASTM A403 WP321h Stainless Steel Cross Fitting / ASTM A403 WP321h SS Cross Fitting

ASTM A403 WP321h Stainless Steel 4 way Fittings / ASTM A403 WP321h SS 4 way Fittings

ASTM A403 WP321h Stainless Steel 4 way Fittings / ASTM A403 WP321h SS 4 way Fittings

ASTM A403 WP321h Stainless Steel wye Reducing / ASTM A403 WP321h SS wye Reducing

ASTM A403 WP321h Stainless Steel wye Reducing / ASTM A403 WP321h SS wye Reducing

ASTM A403 WP321h Stainless Steel Barrel Nipples / ASTM A403 WP321h SS Barrel Nipple

ASTM A403 WP321h Stainless Steel Barrel Nipples / ASTM A403 WP321h SS Barrel Nipple

ASTM A403 WP321h Stainless Steel wye Standard / ASTM A403 WP321h SS wye Standard

ASTM A403 WP321h Stainless Steel wye Standard /ASTM A403 WP321h SS wye Standard

ASTM A403 WP321h Stainless Steel Stub End / ASTM A403 WP321h SS Stub End

ASTM A403 WP321h Stainless Steel Stub End /ASTM A403 WP321h SS Stub End

ASTM A403 WP321h Stainless Steel Lap Joint Stub Ends / ASTM A403 WP321h SS Lap Joint Stub Ends

ASTM A403 WP321h Stainless Steel Lap Joint Stub Ends /ASTM A403 WP321h SS Lap Joint Stub Ends

ASTM A403 WP321h Stainless Steel Tee Reducing / ASTM A403 WP321h SS Tee Reducing

ASTM A403 WP321h Stainless Steel Tee Reducing / ASTM A403 WP321h SS Tee Reducing

ASTM A403 WP321h Stainless Steel Tee Bullhead / ASTM A403 WP321h SS Tee Bullhead

ASTM A403 WP321h Stainless Steel Tee Bullhead /ASTM A403 WP321h SS Tee Bullhead

ASTM A403 WP304 Stainless Steel Outlet Tee .jpg

ASTM A403 WP321h Stainless Steel Outlet Tee /ASTM A403 WP321h SS Outlet Tee

ASTM A403 WP321h Stainless Steel Outlet Elbow / ASTM A403 WP321h SS Outlet Elbow

ASTM A403 WP321h Stainless Steel Outlet Elbow /ASTM A403 WP321h SS Outlet Elbow

ASTM A403 WP321h Stainless Steel 180 Degree Elbow / ASTM A403 WP321h SS 180 Degree Elbow

ASTM A403 WP321h Stainless Steel 180 Degree Elbow /ASTM A403 WP321h SS 180 Degree Elbow

ASTM A403 WP321h Stainless Steel Pipe Return Trap / ASTM A403 WP321h SS Pipe Return Trap

ASTM A403 WP321h Stainless Steel Pipe Return Trap /ASTM A403 WP321h SS Pipe Return Trap

ASTM A403 WP321h  Stainless Steel Couplings / ASTM A403 WP321h SS Couplings

ASTM A403 WP321h Stainless Steel Couplings /ASTM A403 WP321h SS Couplings

ASTM A403 WP321h Stainless Steel Piggable Bend / ASTM A403 WP321h SS Piggable Bend

ASTM A403 WP321h Stainless Steel Piggable Bend /ASTM A403 WP321h SS Piggable Bend


Price List of ASTM A403 WP321h Stainless Steel Pipe Fittings

  • astm a403 WP321h
    US $1-300 / Piece ( FOB Price)
  • ASME/ ANSI B16.9 ASTM A403 Stainless Steel Pipe Tee WP321h
    US $1-99 / Piece ( FOB Price)
  • Large diameter stainless steel tee ASME/ ANSI B16.9 ASTM A403 WP304 WP316L WP321h
    US $1-100 / Piece ( FOB Price)
  • welding astm a403 WP321h reducing tee
    US $1-100 / Piece ( FOB Price)
  • astm a403 WP321h reducing tee
    US $3.2-6540 / Ton ( FOB Price)
  • stainless steel cap 2" sch 10s ASME B16.9 A403 WP321h
    US $0.5-500 / Piece ( FOB Price)
  • astm a403 WP321h stainless reducing tee
    US $1-500 / Piece ( FOB Price)
  • SS ELBOW 45D SCH40 A403 gr. WP321h
    US $0.5-500 / Piece ( FOB Price)
  • A403 WP321h forged high pressure stainless steel fitting
    US $10.0-10.0 / Pieces ( FOB Price)
  • astm a403 WP321h reducing tee
    US $1-80 / Piece ( FOB Price)
  • astm a403 WP321h reducing tee with high quality
    US $1-1000 / Piece ( FOB Price)
  • 90 Degree Short Radius Elbow A403 WP321h
    US $1-8800 / Piece ( FOB Price)
  • asme b16.9 astm a403 WP321h reducing tee
    US $0.25-300 / Piece ( FOB Price)
  • ASTM A403 WP321h Tees
    US $1-10000 / Piece ( FOB Price)
  • astm a403 WP321h reducing tee
    US $2-100 / Piece ( FOB Price)
  • welding astm a403 WP321h reducing tee
    US $1-100 / Piece ( FOB Price)

Our Specialization in Below A403 WP321h Stainless Steel Pipe Fittings / ASTM A403 WP321h SS Pipe Fittings at Best Price

  • Butt Weld Pipe Fitting Stainless 180 Degree elbow A403 WP321h
  • Stainless Steel Caps ASTM A403 WP321h
  • ASTM A403 WP321h/321 ANSI B16.9 Stainless Steel Butt Welding Cap
  • ANSI B16.9 A403 WP321h butt weld pipe fitting 90D short radius elbow
  • asme b16.11 a403 WP321h threaded stainless steel socket welding tee
  • Eccentric Swage Nipple ASTM A403 WP321h/321
  • ANSI B16.9 A403 WP321h butt weld pipe fitting 90D short radius elbow
  • A403 WP321h butt welded ecc pipe reducers
  • ASTM A403 WP321h stainless steel pipe elbow fitting
  • b16.9 stainless steel pipe reducing tee rust proof oil WP321h
  • Stainless steel a403 WP321h/321 pipe fitting reducer
  • A403 WPS 321h Con. Reducer DN150X80 Sch10s
  • asni a403 WP321h seamless 45 degree lateral tee
  • ASTM A403 WP321h Stainless Steel Pipe Fittings / Elbow LR / SR 90 DEG BW ENDS
  • ASTM A403 WP321h/321 ASME B16.9 SEAMLESS BW ECCENTRIC REDUCER
  • astm a403 WP321h pipe cap
  • SCH10S A403 WP321h concentric reducer
  • a403 WP321h/321 pipe fitting reducer
  • astm a403 WP321h wrought stainless steel tee
  • astm a403 WP321h butt weld 90 degree long radius elbow
  • ASTM A403 WP321h Stainless Steel Tee
  • A403 WP321h Stainless Steel Elbow
  • ASTM A403 WP321h Bend pipe
  • asni a403 WP321h seamless 45 degree lateral tee
  • a403 WP321h/321 pipe fitting reducer

Fitting Classes for WP Grades

WP-SSeamless
CRCorrosion resistant grade. S through WU Classes do not apply.
WP-WXRT all welds with or without filler metal.
WP-WWelded, RT or UT all pipe starting material welds made with filler metal. All fitting 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
WPgrade-grade-classInsert grades (321-321H) and class (S,W,WX, or WU). Applies to fittings meeting all chemical and physical requirements of both grades.
WP-WUUT all welds with or without filler metal.

ASTM A403 Gr WP321h Grade Specification Comparison

Trade NameGradeUNS #Buttweld Fitings
321WP321S32100A403* / SA403*
321HWP321HS32109A403* / SA403*

ASTM A403 WP321h Stainless Steel Elbows and Returns Pipe Fittings, A403 WP321h Stainless Steel Pipe Fittings Dimension

Nominal
Pipe
Size
(inches)
Outside
Diameter
90° Elbows45°Elbows180° Returns
Long RadiusShort RadiusLong RadiusLong Radius
(mm)(inches)Center to Face
(inches)
Center to Face
(inches)
Center to Face
(inches)
Radius
(inches)
Center to Center
(inches)
Back to face
(inches)
1/221.30.8401 1/2-5/821 7/8
3/426.71.0501 1/8-7/162 1/41 11/16
133.41.3151 1/217/832 3/16
1 1/442.21.6601 7/81 1/413 3/42 3/4
1 1/248.31.9002 1/41 1/21 1/834 1/23 1/4
260.32.375321 3/8464 3/16
2 1/273.02.8753 3/42 1/21 3/457 1/25 3/16
388.93.5004 1/232696 1/4
3 1/2101.64.0005 1/43 1/22 1/4710 1/27 1/4
4114.34.500642 1/28128 1/4
5141.35.5637 1/253 1/8101510 5/16
6168.36.625963 3/4121812 5/16
8219.18.6251285122416 5/16
10273.110.75015106 1/4153020 3/8
12323.912.75018127 1/2183624 3/8

ASTM A403 WP321h Stainless Steel Tees, Caps, Stub Ends and Straight Crosses Pipe Fittings

Nominal
Pipe
Size
(inches)
Outside
Diameter
CapsStraight TeesStraight CrossesStub Ends
(mm)(inches)Length
(inches)
Center to End
(inches)
Center to End
(inches)
Lap Diameter
(inches)
Long Length
(inches)
Short Length
(inches)
1/221.30.84011-1 3/832
3/426.71.05011 1/8-1 11/1632
133.41.3151 1/21 1/21 1/2242
1 1/442.21.6601 1/21 7/81 7/82 1/242
1 1/248.31.9001 1/22 1/42 1/42 7/842
260.32.3751 1/22 1/22 1/23 5/862 1/2
2 1/273.02.8751 1/2334 1/862 1/2
388.93.50023 3/83 3/8562 1/2
3 1/2101.64.0002 1/23 3/43 3/45 1/263
4114.34.5002 1/24 1/84 1/86 3/1663
5141.35.56334 7/84 7/87 5/1683
6168.36.6253 1/25 5/85 5/88 1/283 1/2
8219.18.62547710 5/884
10273.110.75058 1/28 1/212 3/4105
12323.912.7506101015106

ASTM A403 WP321h Stainless Steel Reducers Pipe Fittings

Nominal
Pipe
Size
Outside
Diameter
Reducers
Reduced from
(inches)
(mm)(inches)Reduced to
(inches)
Concentric & Eccentric Length
(inches)
1/221.30.8401/41 1/2
3/81 1/2
3/426.71.0503/82
1/22
133.41.3153/82
1/22
3/42
1 1/442.21.6601/22
3/42
12
1 1/248.31.9001/22 1/2
3/42 1/2
12 1/2
1 1/42 1/2
260.32.3753/43
13
1 1/43
1 1/23
2 1/273.02.87513 1/2
1 1/43 1/2
1 1/23 1/2
23 1/2
388.93.50013 1/2
1 1/23 1/2
23 1/2
2 1/23 1/2
3 1/2101.64.0001 1/44
1 1/24
24
2 1/24
34
4114.34.5001 1/24
24
2 1/24
34
3 1/24
5141.35.56325
2 1/25
35
3 1/25
45
6168.36.6252 1/25 1/2
35 1/2
3 1/25 1/2
45 1/2
55 1/2
8219.18.62536
3 1/26
46
56
66
10273.110.75047
57
67
87
12323.912.75058
68
88
108


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