We introduce ourselves as India’s Number 1 exporter of SS Seamless Pipes
Seamless pipes tubes & 'U' tubes are manufactured from mother hollow pipes with the processing on cold pilgering machine, cold drawn benches, heat treatment furnace, 'U' bending facilities, tube finishing lines including pickling, tube straightners, end facing, cut-to-length facilities, and various destructive and non-destructive tests to produce high quality product confirming to various international standard.
This Pipes & Tubes are mainly manufactured for Following Industry.
1] Heat Exchangers
2] Instrumentation Tubes
3] General Engineering
4] Automotive Industry
5] Chemical & Pharma
6] Oil And Gas Industry
Product Range:-
PRODUCT |
SIZE |
THICKNESS |
SPECIFICATION |
S.S. PIPES |
1/8" NB to 4" NB
4" NB to 8" NB |
SCH.5, 10, 40, 80s
SCH.5, 10, 40s |
ASTM A-312 |
S.S. TUBES |
6.35mm to 50.8mm OD |
0.50mm to 6.0mm |
ASTM A-213, A-268, A-269,
A-270, DIN 17456 & 17458 & Its equivalent ASME, DIN & EN Standard. |
SS 304 ASTM A312 Seamless Pipe Specification
 Sachiya Steel is leading SS 304 ASTM A312 Seamless Pipe manufacturers. We pride ourselves on being at the forefront of innovation in
both product lines and after sales services. This is why we will
constantly upgrade our products and services to meet market expectations
and demands. We are reputed as an excellent quality SS 304 ASTM A312
Seamless Pipe supplier in the industry. American iron and steel
institute (AISI) use three numbers to clarify different types of steel
which are 200, 300, 400 and 600 series.
Type of Pipe /Tube
304 Stainless Steel Pipes and Tubes Product Range
304 Stainless Steel Pipes and Tubes Specifications: ASTM
A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
304 Stainless Steel Pipes and Tubes Sizes (Seamless): 1/2" NB - 16" NB
304 Stainless Steel Pipes and Tubes Sizes (ERW): 1/2" NB - 24" NB
304 Stainless Steel Pipes and Tubes Sizes (EFW): 6" NB - 100" NB
304 Stainless Steel Pipes and Tubes Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)
304 Stainless Steel Pipes and Tubes Other Materials Testing:
NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.
304 Stainless Steel Pipes and Tubes Composition
Typical compositional ranges for grade 304 stainless steels are given in table 1.
Table 1. Composition ranges for 304 grade stainless steel
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
| 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. |
0.10 |
2.0 |
0.75 |
0.045 |
0.030 |
20.0 |
10.5 |
304 Stainless Steel Pipes and Tubes Mechanical Properties
Typical mechanical properties for grade 304 stainless steels are given in table 2.
Table 2. Mechanical properties of 304 grade stainless steel
| Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
| Rockwell B (HR B) max |
Brinell (HB) max |
| 304 |
515 |
205 |
40 |
92 |
201 |
| 304L |
485 |
170 |
40 |
92 |
201 |
| 304H |
515 |
205 |
40 |
92 |
201 |
| 304H also has a requirement for a grain size of ASTM No 7 or coarser. |
304 Stainless Steel Pipes and Tubes Physical Properties
Typical physical properties for annealed grade 304 stainless steels are given in table 3.
Table 3. Physical properties of 304 grade stainless steel in the annealed condition
| Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (m/m/0C) |
Thermal Conductivity(W/m.K) |
Specific Heat 0-1000C(J/kg.K) |
Electrical Resistivity (n.m) |
| 0-1000C |
0-3150C |
0-5380C |
at 1000C |
at 5000C |
| 304/L/H |
8000 |
193 |
17.2 |
17.8 |
18.4 |
16.2 |
21.5 |
500 |
720 |
304 Stainless Steel Pipes and Tubes Grade Specification Comparison
Approximate grade comparisons for 304 stainless steels are given in table 4.
Table 4. Grade specifications for 304 grade stainless steel
| Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
| BS |
En |
No |
Name |
| 304 |
S30400 |
304S31 |
58E |
1.4301 |
X5CrNi18-10 |
2332 |
SUS 304 |
| 304L |
S30403 |
304S11 |
- |
1.4306 |
X2CrNi19-11 |
2352 |
SUS 304L |
| 304H |
S30409 |
304S51 |
- |
1.4948 |
X6CrNi18-11 |
- |
- |
| These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. |
SS 304 ASTM A312 Seamless Pipe Packing, Marking & Shipping Policy:
|
|
1) SS 304 ASTM A312 Seamless Pipe Packed & ready to ship |
2) SS 304 ASTM A312 Seamless Pipe Packed & ready to ship |
SS 304 ASTM A312 Seamless Pipe packing
will be according to international standard in bundles strapped by
strips then into containers to avoid any damage.
Delivery: Within 10-25days or asap if we have enough stock
Types of Packaging:
Special Features:
We export to Iran, Iraq, Italy, UAE, Bahrain, Indonesia, Australia, Kuwait, Saudi
Arabia, South Africa, Germany, UK, Denmark, Canada, USA, Peru, Brazil,
Nizeria, Mexico, Venezuela (Latin America), South America, Russia,
kazakhstan etc.
SS 304 ASTM A312 Seamless Pipe Application:
Application Industry:
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