ASTM A312 SS WELDED PIPES SUPPLIERS IN DUBAI, STAINLESS STEEL WELDED PIPES EXPORTERS IN UAE, STAINLESS STEEL ERW PIPES STOCKHOLDER IN DUBAI
SS ERW PIPES, ALLOY STEEL ERW TUBING, STAINLESS STEEL ELECTRIC RESISTANCE WELDED TUBES SUPPLIERS IN DUBAI.
Stainless Steel Welded Pipes Exporters in UAE are made up of stainless steel materials. There are different stainless steel grades. The 304 grade is the most used and the 304 stainless steel pipes and tubes are cost-effective. Doshi Impex is one of the leading Stainless Steel Seamless Tubing Exporters in Dubai. The pipes range in dimensions according to the ASTM, ASME, and API standards with specifications in ASTM A213, A249, and A269. There are welded as well as seamless pipes. The Stainless Steel Welded Erw Pipes Suppliers in Dubai are dimensionally more accurate than the welded pipes. Stainless steel flanges also ranged with slip-on flange, weld neck flange, blind flange, socket weld flange, and threaded pipe flange. As we know, stainless steel flange is impressed by its great corrosion resistance, which because of the elements of Chromium, and as Cr increased; better resistant performances will be gained. It refers to forged and rolled alloy and stainless steel pipe flanges, fittings, valves, and parts for high-temperature service. And it includes several grades of austenitic and ferritic-austenitic stainless steel. Stainless Steel Welded Erw Tubes Supplier in UAE has a long tapered hub and is often used for high-pressure applications. These flanges are designed to be joined to a Piping system by Bun Welding. The Neck, or Hub, transmits stresses to the Pipe, reducing stress concentrations at the base of the Flange. The gradual transition of thickness from the base of the Hub to the wall thickness at the Bun Weld, provides important reinforcement of the Flange.
WE HAVE FOUR TYPE FOR WELDED PIPE
Chemical Properties of Chromium-Nickel Stainless Steel Pipes
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
Ti |
Fe |
| 304 |
min. |
|
|
|
|
|
18.0 |
|
8.0 |
|
|
|
| max. |
0.08 |
2.0 |
0.75 |
0.045 |
0.030 |
20.0 |
10.5 |
0.10 |
|
|
| 304L |
min. |
|
|
|
|
|
18.0 |
|
8.0 |
|
|
|
| max. |
0.030 |
2.0 |
0.75 |
0.045 |
0.030 |
20.0 |
12.0 |
0.10 |
|
|
| 304H |
min. |
0.04 |
|
|
|
|
18.0 |
|
8.0 |
|
|
|
| max. |
0.010 |
2.0 |
0.75 |
0.045 |
0.030 |
20.0 |
10.5 |
|
|
|
| SS 310 |
|
0.015 max |
2 max |
0.015 max |
0.020 max |
0.015 max |
24.00 26.00 |
0.10 max |
19.00 21.00 |
54.7 min |
|
|
| SS 310S |
|
0.08 max |
2 max |
1.00 max |
0.045 max |
0.030 max |
24.00 26.00 |
0.75 max |
19.00 21.00 |
53.095 min |
|
|
| SS 310H |
|
0.04 0.10 |
2 max |
1.00 max |
0.045 max |
0.030 max |
24.00 26.00 |
|
19.00 21.00 |
53.885 min |
|
|
| 316 |
min. |
|
|
|
|
|
16.0 |
2.03.0 |
10.0 |
|
|
|
| max. |
0.035 |
2.0 |
0.75 |
0.045 |
0.030 |
18.0 |
14.0 |
|
|
|
| 316L |
min. |
|
|
|
|
|
16.0 |
2.03.0 |
10.0 |
|
|
|
| max. |
0.035 |
2.0 |
0.75 |
0.045 |
0.030 |
18.0 |
14.0 |
|
|
|
| 316TI |
|
0.08 max |
10.00 14.00 |
2.0 max |
0.045 max |
0.030 max |
16.00 18.00 |
0.75 max |
2.00 3.00 |
|
|
|
| 317 |
|
0.08 max |
2 max |
1 max |
0.045 max |
0.030 max |
18.00 20.00 |
3.00 4.00 |
|
|
|
57.845 min |
| SS 317L |
|
0.035 max |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
18.00 20.00 |
3.00 4.00 |
11.00 15.00 |
|
|
57.89 min |
| SS 321 |
|
0.08 max |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 19.00 |
|
9.00 12.00 |
0.10 max |
5(C+N) 0.70 max |
|
| SS 321H |
|
0.04 0.10 |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 19.00 |
|
9.00 12.00 |
0.10 max |
4(C+N) 0.70 max |
|
| 347/ 347H |
|
0.08 max |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 20.00 |
|
9.0013.00 |
|
|
|
| 410 |
min. |
|
|
|
|
|
11.5 |
|
|
|
|
|
| max. |
0.15 |
1.0 |
1.00 |
0.040 |
0.030 |
13.5 |
|
0.75 |
|
|
|
| 446 |
min. |
|
|
|
|
|
23.0 |
|
|
0.10 |
|
|
| max. |
0.2 |
1.5 |
0.75 |
0.040 |
0.030 |
30.0 |
|
0.50 |
0.25 |
|
|
| 904L |
min. |
|
|
|
|
|
19.0 |
4.00 |
23.00 |
0.10 |
|
|
| max. |
0.20 |
2.00 |
1.00 |
0.045 |
0.035 |
23.0 |
5.00 |
28.00 |
0.25 |
|
|
Mechanical Characteristics of Super Ferritic Stainless Steel Pipe
| Grade |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
| 304/ 304L |
8.0 g/cm3 |
1400 °C (2550 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 304H |
8.0 g/cm3 |
1400 °C (2550 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
40 % |
| 310 / 310S / 310H |
7.9 g/cm3 |
1402 °C (2555 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
40 % |
| 306/ 316H |
8.0 g/cm3 |
1400 °C (2550 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 316L |
8.0 g/cm3 |
1399 °C (2550 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 317 |
7.9 g/cm3 |
1400 °C (2550 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 321 |
8.0 g/cm3 |
1457 °C (2650 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 347 |
8.0 g/cm3 |
1454 °C (2650 °F) |
Psi 75000 , MPa 515 |
Psi 30000 , MPa 205 |
35 % |
| 904L |
7.95 g/cm3 |
1350 °C (2460 °F) |
Psi 71000 , MPa 490 |
Psi 32000 , MPa 220 |
35 % |
Equivalent material of Stainless Steel Pipe
| STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
| SS 304 |
1.4301 |
S30400 |
SUS 304 |
304S31 |
08Х18Н10 |
Z7CN18‐09 |
X5CrNi18-10 |
| SS 304L |
1.4306 / 1.4307 |
S30403 |
SUS 304L |
3304S11 |
03Х18Н11 |
Z3CN18‐10 |
X2CrNi18-9 / X2CrNi19-11 |
| SS 304H |
1.4301 |
S30409 |
– |
– |
– |
– |
– |
| SS 310 |
1.4841 |
S31000 |
SUS 310 |
310S24 |
20Ch25N20S2 |
– |
X15CrNi25-20 |
| SS 310S |
1.4845 |
S31008 |
SUS 310S |
310S16 |
20Ch23N18 |
– |
X8CrNi25-21 |
| SS 310H |
– |
S31009 |
– |
– |
– |
– |
– |
| SS 316 |
1.4401 / 1.4436 |
S31600 |
SUS 316 |
316S31 / 316S33 |
– |
Z7CND17‐11‐02 |
X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L |
1.4404 / 1.4435 |
S31603 |
SUS 316L |
316S11 / 316S13 |
03Ch17N14M3 / 03Ch17N14M2 |
Z3CND17‐11‐02 / Z3CND18‐14‐03 |
X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316H |
1.4401 |
S31609 |
– |
– |
– |
– |
– |
| SS 316Ti |
1.4571 |
S31635 |
SUS 316Ti |
320S31 |
08Ch17N13M2T |
Z6CNDT17‐123 |
X6CrNiMoTi17-12-2 |
| SS 317 |
1.4449 |
S31700 |
SUS 317 |
– |
– |
– |
– |
| SS 317L |
1.4438 |
S31703 |
SUS 317L |
– |
– |
– |
X2CrNiMo18-15-4 |
| SS 321 |
1.4541 |
S32100 |
SUS 321 |
– |
– |
– |
X6CrNiTi18-10 |
| SS 321H |
1.4878 |
S32109 |
SUS 321H |
– |
– |
– |
X12CrNiTi18-9 |
| SS 347 |
1.4550 |
S34700 |
SUS 347 |
– |
08Ch18N12B |
– |
X6CrNiNb18-10 |
| SS 347H |
1.4961 |
S34709 |
SUS 347H |
– |
– |
– |
X6CrNiNb18-12 |
| SS 904L |
1.4539 |
N08904 |
SUS 904L |
904S13 |
STS 317J5L |
Z2 NCDU 25-20 |
X1NiCrMoCu25-20-5 |
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