Written by admin on 11/14/2010 – 9:55 am
Avoid the oxidation of the welded parts in stainless steel The recommendation is use a pickling gel (or pickling paste) and let it work for a while to remove the oxides and the contamination aggravated during the process f welding, doing immediately a nice wash with water. This way, the oxidation problems will be avoided [...]
Written by admin on 10/18/2010 – 11:24 am
Difference between 300 series and 400 series stainless steel The 300 series are the austenitic stainless steel, which are non-magnetic. The 400 series are the ferritic stainless steel, which are magnetic. The stainless steel from 400 series can be divided in two groups: the ferritic properly, which generally has a higher chrome and a lower [...]
Written by admin on 10/11/2010 – 11:16 am
Properties and corrosion resistence of Alloy 400 Alloy 400 (UNS N04400) is a ductile nickel-copper alloy with resistance to a variety of corrosive conditions. The alloy is most frequently specified in environments ranging from mildly oxidizing through neutral and in moderately reducing conditions. An additional application area of the material is in marine environments and [...]
Written by admin on 10/04/2010 – 4:30 pm
Is there any change of stainless steel’s mechanical properties in high temperature ? The carbon steel and the stainless steel both suffer a reduction in the values of their mechanical proprieties while working in high temperatures. As a matter of fact, this is an attribute of metals and metallic alloys in general. In common steel, [...]
Written by admin on 09/30/2010 – 3:05 pm
How to solve painting problems on stainless steel pipes When painting stainless steel pipe, people tend to have problems with paint adhesion. This is usually due to the metal not being properly prepared before applying the paint. There are many different techniques for prepping stainless steel tube for painting. Make sure the metal is thoroughly [...]
Written by admin on 09/10/2010 – 4:18 pm
Selection of stainless steel grades Stainless steels have diverse properties which provide viable and cost-effective solutions to a vast range of applications. In practice, development of a hierarchy of required properties reduces the range to a manageable number of highly versatile materials, enabling users to choose the most appropriate grade for the particular application. The [...]
Written by admin on 09/09/2010 – 10:27 am
Stainless steel is an iron-based material that contains at least 10 percent chromium, according to the website Lenntech. Stainless steel comes in more than 150 grades, with heat capacities depending on chemical composition. Two of the most widely used grades are 304 and 316L. Heat Capacity The heat capacity of a material is the amount [...]
Written by admin on 08/12/2010 – 10:14 am
How to calculate weight of stainless steel tube in kg/meter? A- For 201,202,301,304,314L grades,their density is 7.93x10⑶ kg/m⑶ Round tubes: W=0.02491(OD-WT)WT Square& Rectangular Tubes: W=0.01586｛WT(A+B-2WT)-0.11｝ B-For 316,316L grades,their density is 7.98x10⑶ kg/m⑶ Round tubes: W=0.02507(OD-WT)WT Square& Rectangular Tubes: W=0.01596｛WT(A+B-2WT)-0.11｝ Notes: W=Weight OD=Outside Diameter WT=Wall Thickness A= Outside Width B=Outside Width B。 Their units are mm except [...]
Written by admin on 08/11/2010 – 5:00 pm
Alloy High temperature & Corrosion Resistant Alloys Description Typical Applications 600 Nickel-chromium alloy with good oxidation resistance to 2000°F. Resists stress-corrosion cracking. Thermocouple sheathes, furnace muffles, heat exchangers 625 Nickel-chromium alloy with strength and oxidation resistance to 2000°F. Rocket thrust chambers, spray [...]
Written by admin on 07/16/2010 – 7:34 pm
Availability Overview gauge 11/8″ thru 24″ Stainless grades Standard grades 304/304L, 316/L with availability in other stainless grades Nickel Grades Alloy 20 – 200 – 400 – 600 – 601 – 625 – 825H – 825HT – C276 Value Added Services • Let Penn Stainless cut your next seamless pipe requirement to your exact [...]
