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Steel Plates Weight (Metric Sizes)

The article shows the dimensions and weights of steel plates for general use (weight per linear meter depending on steel plate thickness and width) Weight of Steel Plates by Thickness/Width Weights are expressed in kilogram per linear meter Plate Thickness (mm) Weight (kg/m) kg/meter (width 1200mm) kg/meter (width 1500mm) kg/meter (width 1800mm) kg/meter (width 2400mm)… read more »

Square and Round Hollow Sections (HSS)

The article shows the dimensions and weights of round and square-hollow sections for construction (HSS), meaning weight (kilograms per meter and cross-section in mm2). ROUND HOLLOW SECTIONS (ROUND HSS-CHS) O Weight kg/m Cross Section mm2 4 0,099 12,57 5 0,154 19,63 6 0,222 28,27 7 0,302 38,48 8 0,395 50,27 9 0,499 63,62 10 0,617… read more »

Steel Channels Sizes (UPE/UPN)

The article shows the UPN/UPE channel sizes, i.e. weight in kilograms per meter, sectional area and mechanical properties (inertial moment, resistance modules, and inertial radius). UPN Channel Sizes Dimensions are per Standard UNI 5680-73 UPN Channels Weight (kg/m) Sectional Area (cm2) Inertial Moment  Resistance Modules Inertial Radius h b a e r Jx (cm4) Jy… read more »

“M” Steel Beams Size Types (HEM)

The article shows the M beam-type sizes (HEM web, flange in mm), weight in kilograms per meter, sectional area and mechanical properties (inertial moment, resistance modules, and inertial radius). Steel Beams Sizes (“M” Sections HEM) M Steel beams HEA/HEB are a very commonly used type of steel profile. Beams, otherwise called “M” sections, HEM, are… read more »

H Steel Beams Size Types (HEA/HEB)

The article shows the H beam-type sizes (HEA/HEB web, flange in mm), weight in kilograms per meter, sectional area and mechanical properties (inertial moment, resistance modules, and inertial radius). Steel Beams Sizes (“H” Sections HEA/HEB) H Steel beams HEA/HEB are a very commonly used type of steel profile. Beams, otherwise called “H” sections, continental beams,… read more »

“I” Steel Beam Sizes (IPE and INP)

The article shows the I beam type sizes (IPE/INP web, flange in mm), weight in kilograms per meter, sectional area and mechanical properties (inertial moment, resistance modules, and inertial radius). Steel Beams Sizes (“I” Sections IPE/INP) Steel beams IPE/INP are a very commonly used type of steel profile. Beams, otherwise called “I” sections, continental beams,… read more »

Steel Angles Dimensions EN/AISC (RSA)

In this article, we show the dimensions of equal and unequal steel angles for construction to the European (EN) and American (AISC) standards.  STEEL ANGLES EUROPEAN NORMS (EN) Steel angles can be divided into two main types, equal and unequal. Mild steel angles, also known as angles, angle bars, rolled steel angles (i.e RSA) are… read more »

Types of Oil & Gas Pipes: Seamless, ERW, LSAW

Learn about the 3 types of steel pipes used in the petrochemical industry: seamless, ERW (electric resistance welding) and LSAW (longitudinal submerged arc welding). A seamless pipe is manufactured by drawing a solid steel billet through a piercing rod. Welded pipes are produced by cutting, bending, welding coils (ERW) or steel plates (LSAW). SEAMLESS PIPE Seamless pipes are produced starting from steel billets, that are… read more »

Learn about Flanges for Piping

In piping applications, a flange is used to join a pipe with other equipment (another pipe, a valve or a pump). Pipe flanges may be classified by shape (weld neck, blind, socket weld, threaded, etc), by facing type (RF, FF, RTJ), by material grade (cast and forged), and by specification (the ANSI/ASME B16.5 and B16.47 specifications… read more »

Weldolet, Threadolet, Sockolet Explained

What are branch connections (or pipe branch outlet fittings aka “Olets”)? Olet fittings are a family of forged products used to make 45 or 90 degrees integrally reinforced branch connections (deviations) from a run pipe (also called, header pipe) to a branch pipe (outlet pipe). The common types of branch fittings are Weldolet, Thredolet, Sockolet, Latrolet,… read more »

What is a Mill Test Certificate (EN 10204 2.1, 3.1, 3.2)?

A Mill Test Certificate (MTC), or Mill Test Report (MTR), is issued by a manufacturer to certify the chemical and mechanical features of a product and its compliance to the applicable norms and technical specifications. Typically, Mill Test Certificates conform to the EN 10204 standard and are related to steel products. MILL TEST CERTIFICATE A… read more »

Types of Valves Used in the Oil & Gas Industry

Learn about the different types of valves used in the oil and gas industry and their differences: API and ASME gate, globe, check, ball, and butterfly designs (manual or actuated, with forged and cast bodies). Briefly said, valves are mechanical devices used in piping applications to control, regulate and open/close the fluid’ s flow and… read more »

ASME Buttweld Fittings Explained

Buttweld fittings are used to change the pathway of a pipeline (elbows), reduce/increase its bore size (reducers), branch (tees, cross) or blind it (butt weld cap). BW fittings are used for pipes above 2 inches in diameter, whereas socket weld and threaded fittings are used for smaller size pipes.

Non-Destructive Testing Types (LP/MP/UT/RX)

Non-destructive test (abbreviated, NDT) used to evaluate the physical and mechanical properties of a welded connection without damaging the equipment. The most common non-destructive tests are visual inspection, penetrating fluids, magnetic particles, radiographic (RX) and ultrasonic examination (UT). TYPES OF NON-DESTRUCTIVE TESTING In this article, we review the most common non-destructive testing techniques used to… read more »

BW Fittings Materials: ASTM A234, A403, A815, B366

A complete overview of ASTM materials for buttweld fittings: ASTM A234 (carbon and low-alloy steel), ASTM A403 (stainless steel), ASTM A815 (duplex and super duplex), and ASTM B366 (nickel alloys). The article reviews the chemical and mechanical properties of these pipe fittings specifications and their common uses. BUTTWELD FITTINGS MATERIALS Carbon steel buttweld fittings are common… read more »

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