SS 304L is the low carbon kind of 304 and can be used at the as-welded condition, even at the extremely stunning conditions. 304L is having generally magnificent welding properties and is welded by all standard strategies. To let get through the time liberated from serious outlining/turning, welding may completed temper.
SS 304H is the mix containing carbon in more clear degree. This steel is ideal for the applications wherein the more essential temperature is open. This colleague is having amazing yielding and versatility.
There are different extraordinary qualities found in SS 304/304L/304H Ribs. A piece of those are incomprehensible welding/shaping credits, oxidation and disintegrating deterrent due to chromium development, colossal drawing quality, exceptional robustness, straightforwardness of cleaning, make ease, generally prominent strength, and surface limit.
The application where it is found used is rail lines, petrochemical industry, heat exchangers, drugs, specialty manufactured compounds, substance industry, condensers, crush and paper industry, manures, redesigns, structures, etc.
SS 304/304L/304H Ribs is given close by the records like power treatment frame, QAP, MTC, untouchable test report, radiography test report, etc. This ensures that gives over the best thing is conveyed from our side.
304/304L/304H Stainless Steel Flanges Equivalent Grades
STANDARD |
UNS |
WNR. |
AFNOR |
EN |
JIS |
BS |
GOST |
SS 304 |
S30400 |
1.4301 |
Z7CN18‐09 |
X5CrNi18-10 |
SUS 304 |
304S31 |
08Х18Н10 |
SS 304L |
S30403 |
1.4306/1.4307 |
Z3CN18‐10 |
X2CrNi18-9 / X2CrNi19-11 |
SUS 304L |
304S11 |
03Х18Н11 |
SS 304H |
S30409 |
1.4301 |
- |
- |
- |
- |
- |
Specification of Stainless Steel 304/304L/304H Flanges
Stainless Steel Flanges Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
Chemical Composition of Stainless Steel 304/304L/304H Flanges
C |
Mn |
Si |
P |
S |
Cr |
Ni |
N |
304 |
0.07max |
2.0max |
0.75max |
0.045max |
0.03max |
min: 18.0 max: 20.0 |
min: 8.0 max: 10.5 |
304L |
0.03max |
2.0max |
0.75max |
0.045max |
0.03max |
min: 18.0 max: 20.0 |
min: 8.0 max: 12.0 |
304H |
min: 18.0 |
min: 8.0 |
min: 0.04 |
0.75 |
2.0 |
0.045 |
0.03 |
Mechanical Properties Of Stainless Steel 304/304L/304H Flanges
Grade |
Tensile Strength ksi (min) |
Yield Strength 0.2% ksi (min) |
Elongation % |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
304 |
75 |
30 |
40 |
201 |
92 |
304L |
70 |
25 |
40 |
201 |
92 |
304H |
75 |
30 |
40 |
201 |
92 |
Physical Properties of 304/304L/304H Stainless Steel Flanges
SS 304/304L |
||||||
Density |
Thermal Conductivity |
Electrical |
Modulus of |
Coefficient of |
Specific Heat |
Melting |
at 68°F: 0.285 |
9.4 at 212°F |
28.3 at 68°F |
28 |
9.4 at 32 – 212°F |
0.1200 at 68°F to 212°F |
2500 to 2590 |
- |
12.4 at 932 °F |
39.4 at 752°F |
- |
10.2 at 32 – 1000°F |
- | - |
- | - |
49.6 at 1652 °F |
- |
10.4 at 32 – 1500°F |
- | - |
SS 304H |
||||||
Denstiy |
Coefficient of |
Thermal Conductivity BTU/hr-ft-°F |
Specific Heat BTU/lbm -°F |
Modules of Elasticity (annealed)2-psi |
||
at 68 °F |
at 68 – 212°F |
at 68 – 1600°F |
at 212°F |
at 932°F |
at 32 – 212°F |
in tension (E) |
0.285 |
9.2 |
11.0 |
9.4 |
12.4 |
0.12 |
29 x 106 |
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