Stainless Steel 321 Compression Tube Fittings

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Stainless Steel 321 Tube Fittings

 

Types
Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories
Equivalent To
SWAGELOK, PARKER, DK-LOK, HOKE
Standard

ASTM A276 ASME SA 479

Sizes
1/8’’ to 2’’ and 3mm to 50mm
Ends
Threaded, Welding, JIC
Pressure Rating
1000 Psi, 3000 Psi, 6000 Psi, 10000 Psi
Threads
NPT , BSPT, BSPP
Specification
Items Made from Hex – ASTM A276; Items made from Round Bar- ASTM A182

 

  1. Pylons and other architectural structures
  2. Automobile industry
  3. Spiral Cases and penstocks in power plants
  4. In bridges and other structural steel works
  5. Agriculture equipment
  6. Transportation equipment
  7. Offshore industries

SS Grade
(% in 50mm) Elongation minimum
0.2% Proof Yield Strength (MPa) minimum
Strength of Tensile (MPa) minimum
Plate Hardness
Brinell (HB) maximum
Rockwell B (HR B) maximum
321
40
205
515
217
95
321H
40
205
515
217
95

 

Grade
Mn
Si
C
S
Ni
N
Other
 
P
Cr
Mo
321
minimum.
maximum
2.00
0.75
-
0.08
0.030
9.0
12.0
0.10
Ti=5(C+N)
0.70
 
0.045
17.0
19.0
-
321H
minimum.
maximum
2.00
0.75
0.04
0.10
0.030
9.0
12.0
-
Ti=4(C+N)
0.70
 
0.045
17.0
19.0
-

 

Grade
British
Euronorm
UNS No.
SS
JIS
European Standards
British Standards
 
DIN No
Name
321
58B, 58C
321S31
 
1.4541
X6CrNiTi18-10
S32100
2337
SUS 321
321H
-
321S51
 
1.4878
X10CrNiTi18-10
S32109
-
SUS 321H

 

Tube Fittings Types Size OD Size Inch
Tube To Union 6mm to 38mm 1/4" to 1 1/2"
Tube to Male Fittings
Tube to Female Fittings
Tube to Pipe Fittings
Tube Fittings Accessories