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Contact SupplierSeamless 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
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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.
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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 SS 304 ASTM A312 Seamless Pipe 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.
PRODUCT | SIZE | THICKNESS | SPECIFICATION |
S.S. PIPES |
1/8" NB to 4" NB |
SCH.5, 10, 40, 80s |
ASTM A-312 |
S.S. TUBES |
6.35mm to 50.8mm OD |
0.50mm to 6.0mm |
ASTM A-213, A-268, A-269, |
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 |
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 |
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 |
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 | - | - |