ASME SA213 PDF

Savoy Piping Inc. Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1. Alloy steels are broken down into two groups: low-alloy steels and high-alloy steels. The difference between the two is somewhat arbitrary: Smith and Hashemi define the difference at 4.

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Savoy Piping Inc. Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1. Alloy steels are broken down into two groups: low-alloy steels and high-alloy steels. The difference between the two is somewhat arbitrary: Smith and Hashemi define the difference at 4. Strictly speaking, every steel is an alloy, but not all steels are called "alloy steels". The simplest steels are iron Fe alloyed with carbon C about 0.

However, the term "alloy steel" is the standard term referring to steels with other alloying elements added deliberately in addition to the carbon. Common alloyants include manganese the most common one , nickel, chromium, molybdenum, vanadium, silicon, and boron.

Less common alloyants include aluminum, cobalt, copper, cerium, niobium, titanium, tungsten, tin, zinc, lead and zirconium. The following is a range of improved properties in alloy steels as compared to carbon steels : strength, hardness, toughness, wear resistance, corrosion resistance, hardenability, and hot hardness. To achieve some of these improved properties the metal may require heat treating. These steels are listed in Tables 1 and 2. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements.

Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of this specification. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Where ellipses … appear in this table, there is no requirement, and analysis for the element need not be determined or reported.

B It is permissible to order T2 and T12 with a sulfur content of 0. See C Alternatively, in lieu of this ratio minimum, the material shall have a minimum hardness of HV in the hardened condition, defined as after austenitizing and cooling to room temperature but prior to tempering. Hardness testing shall be performed at mid-thickness of the product.

Hardness test frequency shall be two samples of product per heat treatment lot and the hardness testing results shall be reported on the material test report. Follow on us. It appears that you have disabled your Javascript. In order for you to see this page as it is meant to appear,we ask that you please re-enable your Javascript!

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It is typically used as heating surface pipe, boiler header collection box and steam pipe in low and medium pressure boilers The working pressure is not additional than 9. This seamless steel pipe is widely applied in heat exchanger, condenser and heat transfer equipment. JST advanced rolling process can effectively reduce the deviation range and make the size of seamless steel pipe better. JST possesses three advanced hydrostatic equipment to sample the density of seamless tubes.

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Industrial Regulatory Groups. Overview 1. These steels are listed in the specification Tables Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification. A combination of values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

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