ASTM A312 TP304 310 316 Stainless Steel Pipe
ASTM A312 pipe is a general purpose stainless steel pipe used in various industries. It covers diameters from 1/8" to 30" and thicknesses from SCH 10S to SCH 80S.
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ASTM A312 TP 304 310 316 Stainless Steel Pipe
ASTM A312 TP 304 310 316 SS Pipe Description
ASTM A312 has multiple grades, including 304, 310, 316, etc. Each steel grade should comply with the specified chemical composition: C, Mn, P, S, Si, Cr, Cr, Ni and Mo. 304 steel pipe is a versatile stainless steel pipe that is widely used in the production of equipment and parts that require good overall performance (corrosion resistance and formability). 310S stainless steel is an austenitic chromium-nickel stainless steel with good oxidation resistance and corrosion resistance. Because of the higher percentage of chromium and nickel, it has much better creep strength, can continue to operate at high temperatures, and has good resistance to corrosion. High temperature resistance. 310 stainless steel pipes are mainly used in petroleum, electronics, chemicals, medicine, textiles, food, machinery, construction, nuclear power, aerospace, military and other industries! 316 stainless steel pipe has stronger performance than 304 and 310 steel pipes. It is mainly widely used in industrial transportation pipelines and mechanical structural components such as petroleum, chemical industry, medical, food, light industry, mechanical instrumentation, etc.
ASTM A312 TP 304 310 316 Stainless Steel Pipe Specification
Chemical Composition About Stainless Steel Pipe
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0-10.5 | 18.0-20.0 | - |
| 310S | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.035 | ≤0.03 | 19.0-22.0 | 24.0-26.0 | - |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
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Surface Finish |
Definition and Application |
|
No.1 |
The surface is finished by heat treatment and pickling or processes corresponding theretoafter hot rolling |
|
2D |
The finishes after cold rolling,by heat treatment,pickling or other equivalenttreatment |
|
2B |
The finish after cold rolling, by heat treatment,pickling or other equivalent treatment and lastly by cold rolling to give an |
|
NO.4 |
Polished with abrasive belt of grit#150~#180,have better brightness with discontinuous coarse stria |
|
HL |
Polished with abrasive belt of grit#150~#320 on the NO.4 finish and has continuous streaks |
|
4K |
The product have excellent brightness and prefect reflexivity can be near the mirror |
ASTM A312 TP 304 310 316 Seamless Stainless Steel Pipe
About Us
GNEE Steel Pipe was founded in 2008, covers an area of 2000 square meters and has more than 200 employees. The company is the agent of Handan Steel, Ansteel and other famous domestic steel mills, and has a first-hand source of goods.
Meanwhile, the group has pipe making factory and galvanizing and anti-corrosion production line, with an annual production capacity of 2 million tons.
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