Tp317 Tp321 Stainless Steel Pipe
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Tp317 Tp321 Stainless Steel Pipe

The molybdenum content in 317 stainless steel is slightly higher than that in 316 stainless steel, so it has better pitting resistance. 321 contains a certain amount of Ti, so it has wear and corrosion resistance, high temperature resistance, creep resistance and so on.
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Product Introduction

TP317  stainless tube can work in harsh environmental conditions, thus extending the service life of the equipment, therefore, it is mostly used in chemical industry, marine engineering and electric power field. In addition, in the field of environmental protection, due to its ability to resist corrosion, it is able to reduce the damage and abandonment of equipment, thus reducing the pollution of waste to the environment. In the field of architectural decoration, it is commonly used to make decorative elements such as curtain walls, railings, doors and windows due to its ease of cleaning, low maintenance costs and excellent appearance.

 

TP321 stainless pipe is used in the chemical, coal and petroleum industries where high corrosion resistance to grain boundaries is required for field and open-air machines, heat-resistant parts of building materials and parts that are difficult to heat-treat, such as: petroleum exhaust combustion piping, engine exhaust, boiler shells, heat exchangers, heating furnace parts, diesel engine muffler parts, boiler pressure vessels, chemical carriers, expansion joints, spiral welded pipe for furnace piping and dryers, and aircrafts.

 

Chemical Composition And  Mechanical Property of TP317 Stainless Pipe

C:≤0.08; Mn:≤2; Si:≤1; P:≤0.04; S:≤0.03; Cr:18-20 ;Mo:3-4; Ni:11--14

Size:1/8″--30″NB IN

density: 8.0g/cm³

Melting Point: 1454­°C(2650­°F)

Tensible Strength: Psi-75000,Mpa-515

Yield Strength: Psi-30000, Mpa-205

Elongation: 35%

Type: Seamless/ERW/Fabricated/Lsaw 

 

Chemical Composition And Mechanical Property of TP321 Stainless Tube

C:≤0.08; Mn:≤2 ;Si:≤1; P:≤0.045; S:≤0.03; Cr:17-19; Ni:9-12; Ti:≥5×C%

Size: 6 - 1200NB

Outside Diameter:1/8" - 12" NPS

Thickness:0.6 - 12.7mm

Minimum Tensible Strength: 520Mpa

Minimum Yield Strength: 205Mpa

Elongation: 40

Hardness:95(HR B)/217(HB)

 

TP317/321 Stainless  Seamless Pipe

tp317/321 stainless steel pipe

 

 

About GNEE

GNEE Steel Division is a supply chain company that integrates the processing and sales of hot rolled, cold rolled, stainless steel, steel pipes and many other steel products. The company adheres to the "heart management, customer first, synergistic development, dedication to society" purpose, abide by the "science and technology first, quality-oriented, the pursuit of excellence, integrity of the future" business philosophy, in the field of the world's iron and steel supply chain, and continue to meet the different needs of global customers. In the field of world steel supply chain, we continuously satisfy the different needs of global customers. Under the trend of integrated development of the world, we will make greater contribution to the promotion of economic development and social progress by our own actions.

 

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