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347h stainless steel pipes are a type of alloy pipe specifically manufactured using specific chrome and nickel ratios to create a highly corrosion-resistant material. This grade of pipe is composed primarily of chromium, nickel, and molybdenum, with lower levels of carbon, manganese, phosphorus, sulfur and silicon. With these stainless steel pipe's chemical composition ratioed just right, they offer superior resistance to intergranular corrosion and oxidation under a wide range of temperatures in high-pressure applications such as oil & gas extraction, vessel manufacturing and refinery equipment. By utilizing 347h stainless steel pipes in these highly sought-after applications, companies can be certain that their products will hold up no matter the environment.
347h SS pipes are extremely versatile materials with various uses and properties that make them incredibly useful in many situations. Known primarily for their remarkable corrosion resistance, they were first developed for high-temperature applications and remain ideal working tools in producing strong and durable materials, especially when exposed to heat levels of over 870°C (1600°F). Moreover, 347h stainless steel pipes possess excellent weldability and superior toughness, allowing them to handle more pressure without diminishing the quality or integrity of their construction. These characteristics make 347h stainless steel pipes an ideal choice for applications such as exhaust systems and chimneys, pharmaceutical plants, gas and oil refineries, chemical processing lines, and food processing facilities.
Examine the detailed chemical composition of Stainless Steel 347H Pipes provided in the comprehensive table below.
Element | C | Cr | Mn | Ni | P | S | Si | Cb/Ta |
347H | min: 0.04 max: 0.10 | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.03 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
Stainless Steel 347H Pipes consist of precise levels of carbon, chromium, manganese, nickel, phosphorus, sulfur, silicon, and niobium/tantalum.
Explore the mechanical properties of Stainless Steel 347H Pipes detailed in the table below.
Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
347H | 75 (515) | 30 (205) | 40 | 201 | 95 |
Stainless Steel 347H Pipes exhibit high tensile and yield strengths, significant elongation, and acceptable hardness levels.
Explore the exact physical characteristics of Stainless Steel 347H Pipes outlined in the comprehensive table below.
Density lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
at 68 °F | at 68 – 212°F | at 68 – 1832°F | 68-932°F | at 32 – 212°F | in tension (E) |
0.288 | 9.2 | 11.4 | 14.7 | 0.12 | 28 x 106 |
Stainless Steel 347H Pipes display specific density, thermal expansion, conductivity, heat capacity, and elasticity properties.
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