Multipurpose Seamless Stainless Steel Tubing ASTM A312 TP310S
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Model Number:201/202/304/304L/309s/310s
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Multipurpose Seamless Stainless Steel Tubing ASTM A312 TP310S
ASTM A312 Stainless steel pipe description
ASTM A312 is a widely used specification that covers seamless, welded, and heavily cold worked austenitic stainless steel pipes for various applications. Here is a general description of ASTM A312 stainless steel pipes:
Austenitic stainless steel: ASTM A312 specifies stainless steel pipes made from austenitic stainless steel grades. Austenitic stainless steels are characterized by their excellent corrosion resistance, high ductility, and good mechanical properties. Common austenitic grades include 304/304L, 316/316L, 321/321H, and 347/347H.
Seamless and welded construction: ASTM A312 covers both seamless and welded stainless steel pipes. Seamless pipes are produced from a single billet of stainless steel without any welded joints, offering high strength and uniformity. Welded pipes are made by joining sections of stainless steel using various welding techniques and are suitable for less critical applications or where cost considerations are important.
Dimensions and tolerances: ASTM A312 specifies the dimensions, wall thickness, and tolerances for stainless steel pipes, ensuring consistency and compatibility with various fittings and components. The standard covers a wide range of pipe sizes, from small diameters to larger sizes used in industrial applications.
Corrosion resistance: Stainless steel pipes conforming to ASTM A312 exhibit excellent corrosion resistance due to the presence of chromium, which forms a passive oxide layer on the surface, protecting the underlying metal from corrosion in various environments. The corrosion resistance can be further enhanced by selecting specific grades or adding alloying elements.
Applications: ASTM A312 stainless steel pipes find applications in various industries such as oil and gas, chemical processing, food and beverage, pharmaceuticals, and construction. They are used for fluid transportation, structural support, heat exchangers, and corrosive environments where corrosion resistance, durability, and cleanliness are required.
Heat treatment: ASTM A312 may include specific requirements for heat treatment processes, such as solution annealing or stress relieving, depending on the stainless steel grade and intended application. Heat treatment can improve the mechanical properties, corrosion resistance, and formability of the pipes.
When selecting ASTM A312 stainless steel pipes, it is important to
consider factors such as the specific stainless steel grade,
dimensions, wall thickness, and other requirements based on your
application needs. Consulting with manufacturers, suppliers, or
industry professionals can help ensure the right selection and
compliance with the required specifications.
ASTM A312 Stainless steel pipe features
According to different uses, the requirements for various
properties of stainless steel pipes are different, such as acid and
alkali corrosion resistance, intergranular corrosion resistance and
stress corrosion cracking performance, pitting resistance, climate
corrosion resistance, high temperature and oxidation resistance.
For use in high temperature environment, it is also required to
have satisfactory high temperature persistent strength, durable
plasticity, creep resistance and aging stability.
Stainless steel pipe is mainly used for auxiliary exchanger pipe,
water heater pipe, main pipe, cooling water pipe and other pipes.
Electricity, as the basis of national economic development,
national economy and people's livelihood. The inner wall of the
stainless steel pipe is smooth, the water transmission resistance
is small, can withstand the erosion of high water flow rate, after
solution treatment, the mechanical properties of the pipe and the
matrix, the corrosion resistance is basically the same, the
performance is excellent, and it is widely used in heaters,
boilers, heat exchangers, condensers.
Seamless stainless steel pipe production process
China's production of seamless stainless steel pipes is mainly
concentrated in Inner Mongolia Baotou Steel, Shanghai Five Steel
(Group) Co., LTD., Great Wall Special Steel Co., LTD., Dalian Steel
Plant, Fushun Steel Plant, Daye Special Steel Co., LTD., Chengdu
Seamless Steel Plant, although the specific process equipment of
each production facility is different. However, its production
process is mainly divided into hot-rolled seamless stainless steel
pipe production process, cold-working seamless stainless steel pipe
production process and hot-extruded seamless stainless steel pipe
production process.
ASTM A312 Stainless steel tube parameter
chemical composition
| material | ASTM A312 | |||||||
| chemical composition | C% | Cr% | Ni% | Mn% | Si% | N% | P% | S% |
| ≦0.15 | 16.0-18.0 | 3.5-5.5 | 5.50-7.50 | ≦1.00 | ≦0.25 | ≦0.060 | ≦0.030 | |
mechanical properties
| mechanical properties | Yield Strength | tensile strength | elongation | Hardness |
| ≧45 | ≧95 | ≧40 | ≦100 |
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customers, we can not only provide you with ordinary steel, but
also help you find very personalized steel, such as special steel
grades, special sizes, special process shapes and so on.
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The goods shall be delivered in strict accordance with the
contract, and the consignee shall be notified within 48 hours after
thegoods are delvered: Loading shall be carried out in strict
accordance with the requlations. without overloading, bias and
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Multipurpose Seamless Stainless Steel Tubing ASTM A312 TP310S
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