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We produce variations like the ASTM A312 Tp 304 Sch 10s which is a low pressure class. The pipes are used in the high temperature service industry. Due to the addition of titanium and molybdenum in the composition, the Stainless Steel Pipe ASTM A312 Tp304 is stronger and is also corrosion resistant. Our ASTM A312 Tp304 Efw pipes are electric fusion welded and are less vulnerable to localized corrosion. The A312 Tp304 Material has carbon, manganese, phosphorous, sulfur, silicon and titanium. This mixture makes the A312 Tp304 Smls pipes to be used in unique industrial applications.
Looking for best 304 stainless steel pipe manufacturers in India? ZHONGZHENG maintain a steady ASTM A312 Grade TP304 Round, Square and Rectangular Pipes as per ANSI/ ASME B36.19 specification
The A312 Tp304 Pipe is either pushed or pulled to form the shape from usually a round billet of the raw material. It is more resistant to corrosion than the ordinary 304 Stainless Steel Pipe. Our 304 Stainless Steel Seamless Pipe low carbon content which makes it highly weldable and formable. The Stainless Steel 304 Welded Pipe can come in different shapes such as the SS 304 Round Pipe or the SS 304 Square Pipe. The SS 304 Erw Pipe is used in long service chemical and industrial applications. There are different schedules such as the SS 304 Sch 40 Pipe. Our products are made in superior quality and have highly competitive pricing in the market.
If you are looking for a reliable & one of the oldest 304 Stainless Steel Pipe supplier in India who can provide material with mirror polish pipe and plain/ bevel/ threaded so check our client and price list. Oshwin Overseas supply SS 304 Seamless Pipe from 6" NB to 120 Inch Nb in all types like Seamless, ERW, Welded, fabricated & Grooved. All our material comes with International specification of ASTM A312, A249, and ASME SA 312. We can provide 304 Steel Pipe thickness from 1.2mm to 2mm. The pipe length standard size 3 meter, 6 meter and 10 meter. But we are one of the supplier who provide cut to length pipe in grade 304 which saves your cost and avoid wastage. Oshwin is SS 304 Pipe supplier who stock pipes in all surface finish like Mill Finish, Annealed, Anodized, Sand Blasted, Brushed, Polished, Bright Annealed, Cold Drawn and many others. We can also provide SS Pipe polish services from 182 - 320 grit. Our brushed and satin finish pipe are used in renowned shopping malls in India & UAE. You can contact us for a full price list and product list.
ASTM AISI A312 Inox 304 Welded/Seamless Pipe Hot/Cold Rolled Bright Hairline Mirror Polish 304 304L 316 316L Stainless Steel Capillary Tube Pipe
Product Description
Standard |
GB,AISI,ASTM,DIN,EN,JIS |
Grade |
Stainless steel 304 / 304L / 310S / 316L / 316Ti / 316LN / 317L / 904L / 2205 / 2507 / 32760 / 253MA / 254SMo / XM-19 / S31803 / S32750 / S32205 / F50 / F60 / F55 / F60 / F61 / F65 etc |
Monel 400 / Monel K-500 | |
Inconel 600 / Inconel 601 / Inconel 625 / Inconel 617 / Inconel 690 / Inconel 718 / Inconel X-750 | |
Incoloy A-286 / Incoloy 800 / Incoloy 800H / Incoloy 800HT | |
Incoloy 825 / Incoloy 901 / Incoloy 925 / Incoloy 926 | |
Nimonic 75 / Nimonic 80A / Nimonic 90 / Nimonic 105 / Nimonic C263 / L-605 | |
Hastelloy B / Hastelloy B-2 / Hastelloy B-3 / Hastelloy C / Hastelloy C-276 / Hastelloy C-22 | |
Hastelloy C-4 / Hastelloy C-2000 / Hastelloy G-35 / Hastelloy X / Hastelloy N | |
PH stainless steel 15-5PH / 17-4PH / 17-7PH | |
Inspection |
TUV,SGS,BV,ABS,LR and so on |
Application |
Chemical, Pharmaceutical & Bio-Medical, Petrochemical & Refinery, Environmental, Food Processing, Aviation, Chemical Fertilizer, Sewage Disposal, Desalination, Waste Incineration etc. |
Processing Service |
Machining : Turning / Milling / Planing / Drilling / Boring / Grinding / Gear Cutting / CNC Machining |
Deformation processing : Bending / Cutting / Rolling / Stamping | |
Welded | |
Forged |
ASTM A321 TP321 Seamless Welded Pipe And Tube
Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850 °C. The 321 stainless steel pipe is the grade of choice for applications in the temperature range of up to about 900 °C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion.
Due to the stability of 321 stainless steel pipe, the material is known for its resistance to intergranular corrosion. This makes it suitable for applications at intermittent operating temperatures. SS 321 Seamless Pipe has a minimum tensile strength of 515 Mpa. Adding titanium to the alloy increases its strength. Alloy 321 is commonly used in engineering and chemical equipment. It has a maximum hardness of Rockwell 95 HRB.
In addition to its machinability, SS 321 steel is also resistant to atmospheric corrosion, inorganic chemicals and chlorides. Stainless steel 321 is suitable for applications involving high temperatures. SS 321 pipe is preferred in the high temperature range due to better strength and formability compared to SS 304L pipe. Additionally, it can be welded in place using standard shop fabrication procedures. Typically, it is used for functions between 800 and 1650 degrees Celsius.
Typical compositional ranges for grade 321 stainless sheets of steel are given in table 1.
Table 1. Composition ranges for 321-grade stainless steel
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
Other |
|
321 |
min. |
- |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 |
- |
9.0 |
0.10 |
Ti=5(C+N) |
321H |
min. |
0.04 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 |
- |
9.0 |
- |
Ti=4(C+N) |
347 |
min. |
0.08 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 |
- |
9.0 |
- |
Nb=10(C+N) |
Mechanical Properties
Typical mechanical properties for grade 321 stainless sheets of steel are given in table 2.
Table 2. Mechanical properties of 321-grade stainless steel
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50 mm) min |
Hardness |
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
321 |
515 |
205 |
40 |
95 |
217 |
321H |
515 |
205 |
40 |
95 |
217 |
347 |
515 |
205 |
40 |
92 |
201 |
Looking forward to the future, we will closely follow the development of the industry, continue to develop new technologies, actively promote new products, and strive to build a high-end brand of Tp321 ASTM A321 Stainless Welded Steel Pipe A312 316L Stainless Steel Seamless Pipes. Since our inception, we have been committed to the long-term profitability and sustainability of our business. We know that we should operate in accordance with the law and maintain the dignity and interests of the company to move forward steadily.
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