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Standard Specification For Stainless Steel ASTM A403 WP321 / 321H Pipe Fittings
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Types Of Grade WP321 / 321H Stainless Steel Buttweld Pipe Fittings
ASTM A403 WP321 / 321H Stainless Steel Pipe Fittings Types
Products |
Size |
ASTM A403 WP321 / 321H Fabricated Tee |
ASTM A403 WP321 / 321H End Cap |
Sizes 1/2″ – 48″ |
ASTM A403 WP321 / 321H 45° Elbow |
ASTM A403 WP321 / 321H Tees |
ASTM A403 WP321 / 321H Elbow – Long Radius |
ASTM A403 WP321 / 321H Stub Ends |
ASTM A403 WP321 / 321H Reducer |
ASTM A403 WP321 /321H Coupling |
ASTM A403 WP321 / 321H Concentric Reducer |
ASTM A403 WP321 / 321H Pipe Nipple |
ASTM A403 WP321 / 321H Eccentric Reducer |
ASTM A403 WP321 /321H 5D Elbow |
ASTM A403 WP321 / 321H Elbow – Short Radius |
ASTM A403 WP321 /321H Cross |
ASTM A403 WP321 / 321H Reducing Elbow |
ASTM A403 WP321 / 321H Reducing Cross |
ASTM A403 WP321 / 321H 3D Elbow |
ASTM A403 WP321 /321H Welded Pipe Fittings |
ASTM A403 WP321 / 321H Swedge Nipple |
ASTM A403 WP321 / 321H Straight Tee and Crosses |
ASTM A403 WP321 / 321H Pipe Nipple |
ASTM A403 WP321 / 321H Collar |
ASTM A403 WP321 / 321H Long Joint Stub End |
ASTM A403 WP321 / 321H Lateral Tee |
ASTM A403 WP321 / 321H 1.5D Elbow |
ASTM A403 WP321 / 321H Unequal Tee |
Mechanical Properties of ASTM A403 SS 321 / 321H Butt weld Pipe Fittings
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
8.0 g/cm3 |
1457 °C (2650 °F) |
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 % |
Chemical Composition of Grade WP321 / 321H Stainless Steel Butt weld Fittings
Grade |
C |
Mn |
Si |
P |
S |
Cr |
N |
Ni |
Ti |
SS 321 |
0.08 max |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 - 19.00 |
0.10 max |
09.00 - 12.00 |
5(C+N) – 0.70 max |
SS 321H |
0.04 – 0.10 |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
18.00 - 20.00 |
3.00 - 4.00 |
11.00 - 15.00 |
4(C+N) – 0.70 max |
ASME SA403 321 / 321H Stainless Steel Buttweld Fittings Equivalent Grades
STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
EN |
SS 321 |
1.4541 |
S32100 |
SUS 321 |
X6CrNiTi18-10 |
SS 321H |
1.4878 |
S32109 |
SUS 321H |
X12CrNiTi18-9 |
ASTM A403 WP321 / 321H Stainless Steel Buttweld Fittings (Our Specialization)
SS 321 / 321H Buttweld Reducer Suppliers |
ANSI 321 / 321H Stainless Steel Pipe Fittings |
Stainless Steel 321 / 321H Pipe Fittings |
Stainless Steel 321 /321H Buttweld Pipe Fittings |
SS 321 / 321H Stubends Dealer |
SS 321 / 321H Pipe Fittings Exporter |
SS 321 / 321H Butt weld Fittings Stockholder |
Steel 321 /321H Pipe End Cap Distributors |
Stainless Steel SUS 321 /321H 45deg.Elbow |
SS 321 /321H 90deg. LR Elbow Manufacturer |
ANSI B16.9 SS 321 /321H Buttweld Fitting |
SS 321 /321H End Pipe Cap Stockist |
ASTM A403 SS WP321 /321H Welded Pipe Fittings |
ASME SA403 SS 321 /321H Pipe Fittings |
Stainless Steel DIN 1.4301 Pipe Tee |
Stainless Steel BS 321S31 Cross |
Stainless Steel 321 / 321H Buttweld Reducing Nipple |
Stainless 321 /321H Short Radius Elbow |
Stainless Steel 321 / 321H Seamless Pipe Fittings |
Stainless Steel 321 /321H Welded Pipe Fittings |
Stainless Steel UNS S32100 Pipe Elbow |
Stainless Steel 321 /321H Buttweld Tee |
ASTM A403 WP321 / 321H Stainless Steel Pipe Fittings Specifications
A403 321 / 321H Stainless Steel Pipe Fittings |
A403 321 /321H Stainless Steel Buttweld(B/W) Fittings Materials |
Size (in mm) |
Sch.& Swg |
SS Fittings Specification |
SS Pipe Fittings Items |
A403 321 /321H Stainless Steel Seamless Fittings |
15 NB to 300 NB |
Sch.5 to Sch.XXs |
A403 B/W ANSI B16.9 |
A403 WP321 /321H Long Joint Stubend R=2D, 3D, 10D Etc A403 WP321 / 321H Elbow( 180°, 90°, 45°) A403 WP321 / 321H (Equal & Unequal) A403 WP321 /321H Reducer(con & Ecc) CAP A403 WP321 / 321H Stubend (Long & Short) A403 WP321 /321H Nipple (Barrel) |
A403 321 / 321H Stainless Steel Welded [ERW} Fittings |
15 NB to 600 NB |
Sch.5 to Sch.80s |
A403 B/W ANSI B16.9 |
Stainless Steel [SS] 321 H/L/N/LN |
AISI |
321 / 321 H/ 321/ 321 N/321 LN |
UNS |
S32100/S321H09/S32103/S321L51/S321L53 |
Werkstoff Nr. |
1.4301/1.4306/1.4948/1.4311 |
GRADE |
UNS NO |
OLD BRITISH |
EURONORM |
SWEDISH SS |
JAPANES JIS |
BS |
EN |
No |
Name |
321 / 321H |
S321 / 321H |
321S31 |
158E |
1.4301 |
X5CrNi18- 10 |
2332 |
SUS 321 /321H |
These Comparisons are approximate only. This list is intended as a comparison of functionally similar materials not as schedule of contractual equivalents. If equivalents are needed original specifications must be consulted. |
321 / 321H Stainless Steel Buttweld Fittings
Product Range And Theoretical Weights(Kg) |
DN |
Schedule 10s |
Schedule 40s |
Schedule 805 |
90° Elbow |
45° Elbow |
Equal Tee |
90° Elbow |
45° Elbow |
Equal Tee |
90° Elbow |
45° Elbow |
Equal Tee |
8 |
0.02 |
0.01 |
0.03 |
0.03 |
0.02 |
0.06 |
0.04 |
0.03 |
0.07 |
10 |
0.03 |
0.02 |
0.05 |
0.03 |
0.02 |
0.03 |
0.06 |
0.04 |
0.09 |
15 |
0.06 |
0.03 |
0.09 |
0.08 |
0.04 |
0.10 |
0.10 |
0.05 |
0.14 |
20 |
0.07 |
0.03 |
0.13 |
0.08 |
0.04 |
0.17 |
0.11 |
0.05 |
0.20 |
25 |
0.14 |
0.08 |
0.28 |
0.15 |
0.11 |
0.29 |
0.22 |
0.14 |
0.38 |
32 |
0.23 |
0.11 |
0.49 |
0.26 |
0.17 |
0.59 |
0.40 |
0.23 |
0.68 |
40 |
0.30 |
0.17 |
0.68 |
0.40 |
0.23 |
0.86 |
0.51 |
0.29 |
1.02 |
50 |
0.50 |
0.25 |
0.85 |
0.70 |
0.40 |
1.28 |
0.91 |
0.59 |
1.59 |
65 |
0.85 |
0.48 |
1.41 |
1.40 |
0.77 |
2.19 |
1.81 |
0.99 |
3.13 |
80 |
1.25 |
0.63 |
1.77 |
2.20 |
1.08 |
3.31 |
2.97 |
1.50 |
4.45 |
90 |
1.70 |
0.75 |
2.67 |
2.83 |
1.42 |
4.08 |
4.00 |
2.00 |
5.44 |
100 |
2.10 |
1.08 |
3.46 |
4.47 |
2.09 |
5.27 |
6.18 |
2.81 |
7.71 |
150 |
5.45 |
2.72 |
8.07 |
10.89 |
5.44 |
10.99 |
16.32 |
8.16 |
13.16 |
200 |
10.20 |
5.33 |
15.65 |
21.54 |
10.77 |
20.91 |
33.11 |
16.56 |
28.12 |
250 |
18.15 |
9.75 |
26.46 |
38.56 |
19.27 |
35.38 |
51.71 |
25.86 |
49.90 |
300 |
25.80 |
13.62 |
39.46 |
59.42 |
29.71 |
62.14 |
79.38 |
39.69 |
83.91 |
Product Range And Theoretical Weights(Kg) |
DN |
Schedule 10s |
Schedule 40s |
Schedule 805 |
Con Reducer |
Ecc Reducer |
Reducing Tee |
Con Reducer |
Ecc Reducer |
Reducing Tee |
Con Reducer |
Ecc Reducer |
Reducing Tee |
40x25 |
0.19 |
0.19 |
0.60 |
0.26 |
0.26 |
0.76 |
0.34 |
0.34 |
0.90 |
50x25 |
0.28 |
0.28 |
0.73 |
0.40 |
0.40 |
1.10 |
0.54 |
0.54 |
1.37 |
50x40 |
0.31 |
0.31 |
0.76 |
0.45 |
0.45 |
1.15 |
0.59 |
0.59 |
1.43 |
80x50 |
0.55 |
0.55 |
1.56 |
1.00 |
1.00 |
2.91 |
1.79 |
1.79 |
3.91 |
100x50 |
0.78 |
0.78 |
2.94 |
1.50 |
1.50 |
4.48 |
1.95 |
1.95 |
6.55 |
100x80 |
0.87 |
0.87 |
3.04 |
1.74 |
1.74 |
4.64 |
2.33 |
2.33 |
6.79 |
150x80 |
1.82 |
1.82 |
6.86 |
3.95 |
3.95 |
9.68 |
5.51 |
5.51 |
11.57 |
150x100 |
1.96 |
1.96 |
7.10 |
4.07 |
4.07 |
11.94 |
5.96 |
5.96 |
11.97 |
200x100 |
3.01 |
3.01 |
13.46 |
6.55 |
6.55 |
17.98 |
9.23 |
9.23 |
24.18 |
200x150 |
3.19 |
3.19 |
14.08 |
6.74 |
6.74 |
18.82 |
10.12 |
10.12 |
25.31 |
Projects: Supplied 321 /321H Stainless Steel Pipe Fittings
ASTM A403 WP321 /321H Stainless Steel Buttweld Pipe Fittings are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of ASTM A403 WP321 /321H Pipe Fittings through a worldwide network of stock-keeping branches. These ASTM A403 WP321 /321H Buttweld Fittings is use in various industries like :
- ASME SA403 Stainless Steel WP321 Pipe Fittings uses in Fabrication Industry
- ASTM A403 WP321H Pipe Fittings uses mainly used for transmission fluid in water system
- ASTM A403 SS WP321 Buttweld Pipe Fittings suitable for Chemical Refinery
- Stainless Steel ASTM A403 WP321H Buttweld Pipe Fittings can be used in high temperature
- Stainless Steel WP321 Buttweld Pipe Fitting uses in Oil and Gas Industry
- SS WP321H Buttweld Pipe Fittings uses in Structural Pipe
- ASTM A403 WP321 Stainless Steel Buttweld Fittings can be used in Nuclear power plants
- SS 321H Butt weld Pipe Fittings uses in Paper & Pulp Industry
- Grade 321 Stainless Steel Pipe Fittings uses in Plumbing
- 321H SS Buttweld Pipe Fittings uses in General Purpose Applications
- Stainless Steel 321 Buttweld Fittings also used in Food & Dairy Industry
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