welding steel pipe specification

MAC STEEL has floor-type milling-boring nachine, portal-type processing center, vertical lathe, deep-hole drilling machine, nulti-drilling machine and planer, which are multi-standard, high-precision and multi-function.
MAC STEEL has a wealth of machining experience and cases, such as the processing of tube sheets, food machinery, papermaking equipment, tank storage trucks, large oil tanks, pressure vessels, etc.

Field Welding Large Diameter Steel Pipe

Issue:Welding subcontractor or welders are inexperienced with production welding of steel pipe. Remedy:Specifications should require the welding subcontractor to be qualified for the project, such as requiring a minimum experience of three separate projects exceeding 60 dia. x 5000 long and must General Welding Guidelines - MCAAin the Welding Procedure Specification. When higher preheat is required by the applicable construction code (i.e. B31.1, B31.9, etc.), that preheat shall be used for production welding. Welding on metal that is wet is strictly prohibited; wet metal shall be heated until it SPECIFICATION FOR MILD STEEL PIPE - RANHILLSAJ1.1 The specification is applicable to Mild Steel pipes for water supply systems and shall conform to SPAN TS 21827:Part 1:2013 Technical Delivery Requirements and SPAN TS 21827:Part 2:2013 Tube Requirements. 1.2 These specifications will provide necessary information on the product dimension and requirements for the supply of pipes. Structural Steel Connections, Joints Details 6410 AISC Specifications for Structural Joints 6420 AISC 303 CdCode of St d dStandard PtiPractice 6430 AWS D1.1 Structural Welding Code 6500 6510 Nondestructive Testing Methods 6520 AWS D1.1 Structural Welding Code Tests 6600 STAINLESS STEEL PIPE SPECIFICATIONSThis specification covers five classes of pipe and are usually determined by the end application and needs of the pipe. ASTM A-312 pipe is manufactured by two different processes. Pipe through 6 IPS is manufactured by the continuous welding process and is very similar to welded tubing. Coils of flat roll strips are fed into sizing rolls and API 5L Pipe Specification (Updated on 2020) - Octal SteelAPI 5L Pipe Specification (46th Edition Updated on 2020) API 5L pipe is carbon steel pipe used for oil and gas transmissions, it includes the pipes manufactured in seamless and welded (ERW, SAW). Materials covers API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80 PSL1 & PSL2 onshore, offshore and sour services. Specification 1014 I Supplying and Driving Steel Pipe CSA W59, Welded Steel Construction (Metal Arc Welding) AASHTO/AWS D1.5M/D1.5 Bridge Welding Code 2.2 Related Specifications Specifications for Supply, Fabrication and Erection of Miscellaneous Metal Specifications for Reinforced Cast-in-Place Concrete 3.0 SUBMITTALS The Contractor shall submit the following to the Engineer: Welding of Pipes and Fittings » The Piping Engineering WorldProject Welding Specification. Normally in hydrocarbon industry, carbon steel, alloy steel and stainless steel are the base materials to be welded. Project welding specification is a primary document that must be referred by welding contractor while carrying out his work. APPENDIX F GUIDELINES FOR WELDING STRUCTURAL a. Welding A852 steel . C. AASHTO Guide Specification for Highway Bridge Fabrication with . HPS70W Steel. 1. For welding HPS70W steel. II. Determine Weldability or Special Welding Concerns for the Base Metal. A. ASTM A7 (33 ksi min yield) 1. Carbon Steel Plates, Shapes and Bars . 2. Found on most existing (1950's) NYSTA bridges . 3. Weldability Specifications Industrial Tube and Steel CorporationPipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding. When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized. Standard Specification for Steel Casing Pipe, Electric 1.1 This specification covers electric-fusion (arc)-welded straight seam or spiral seam steel casing pipe 10 in. (254 mm) and larger in diameter (outside diameter as specified by purchaser) with wall thickness 0.200 in. (5.1 mm) or greater. It shall be permissible to specify and furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification. ASME/ANSI B16 Standards for Pipes and FittingsASME/ANSI B16.28 - 1994 - Wrought Steel Butt-welding Short Radius Elbows and Returns. This Standard covers ratings, overall dimensions, testing, tolerances, and markings for wrought carbon and alloy steel butt-welding short radius elbows and returns. The term wrought denotes fittings made of pipe, tubing, plate, or forgings. FIELD WELDING PROCEDURES - NCDOTPipe Pile Welding Procedure(WPS 3) 3-1 thru 3-4 Concrete Girder Sole Plate Welding Procedure (WPS 4) 4-1 thru 4-3 Welding Procedure Specification (WPS) may be generated by an authorized person (i. e. CWI) Steel and weld metal may be thermally cut, provided a smooth and regular surface free from cracks and notches is secured, and

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