Specification Approvals

specifications and approvals from internationally recognised and respected accreditation

 

Strict attention to detail is exercised in relation to specifications and approvals from internationally recognised and respected accreditation authorities. Stainless and Special Metals' (SSM's) dealings and affiliations are strictly with mills and suppliers who are well tested regarding supply reliability of high quality products, fit for applications specified. Our sound knowledge, experience and thorough understanding of the industry’s workings and conformance requirements puts us in good stead to service our clients accordingly. All products are supplied complete with mill’s original test certifications in compliance with EN 10204/3.1B. A number of international and national standards cover pipe, tube and fittings. We list the most common standards and brief descriptions below.

Terminology

  •  ASTM American Society for Testing and Materials
  •  ASME American Society of Mechanical Engineers
  •  DIN Deutche Indusrie-Norm
  •  EN European Standard
  •  ISO International Organisation for Standardisation
  •  ANSI American National Standard Institute
  •  MSS Manufacturer’s Standardisation Society
  •  UNS Unified Numbering System for Metals and Alloys
  •  Nace National Association of Corrosion Engineers
 

Stainless Flat Products

Stainless Bar Products

Stainless Tube and Pipe Products

Standard Description
ASTM A213/A213M Standard Specifications for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater and Heat-Exchanger Tubes.
ASTM A249/A249M Standard Specifications for Welded Austenitic Steel Boiler, Superheater, Heat Exchanger and Condenser Tubes.
ASTM A269/A269M Standard Specifications for Welded Austenitic Stainless Steel Tubing for General Service.
ASTM A312/A312M Standard Specifications for Seamless and Welded and Heavily Cold Worked Austenitic Stainless Steel Pipes.
ANSI B36.19, B36.10.  Standard Covers Stainless Steel Pipe Dimensions.
ASTM A358/A358M Standard Specifications for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications.
ASTM A376/A376M Standard Specifications for Seamless Austenitic Steel Pipe for High-Temperature Control-Station Service.
ASTM A409/A409M Standard Specifications for Welded Large Diameter Austenitic Steel Pipe for Corrosive or  High-Temperature Service.
ASTM A511 Seamless Stainless Steel Mechanical Tubing.
ASTM A554 Standard Specifications for Welded Stainless Steel Mechanical Tubing.
ASTM A688/A688M Standard Specifications for Welded Austenitic Stainless Steel Feedwater Heater Tubes.
ASTM A789/A789M Standard Specifications for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service.
ASTM A790/A790M Standard Specifications for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe.
ASTM A928/A928M Standard Specifications for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal.
ASTM B163 Standard Specifications for Seamless Nickel and Nickel Alloy Condenser and Heat Exchanger Tubes.
ASTM B165 Standard Specifications for Nickel-Copper Alloy (UNS N04400) Seamless Pipe and Tube.
ASTM B167 Standard Specifications for Nickel-Chromium-Iron Alloys and Nickel-Chromium-Cobalt-Molybdenum Alloy Seamless Pipe and Tube.
ASTM B338 Standard Specifications for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers.
ASTM B407 Standard Specifications for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube.
ASTM B423 Standard Specifications for Nickel-Iron-Molybdenum-Copper Alloy Seamless Pipe and Tube.
ASTM B444 Standard Specifications for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube.
ASTM B622 Standard Specifications for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube.
ASTM B668 Standard Specifications for UNS N08028 Seamless Tubes.
ASTM B677 Standard Specifications for UNS N08904, UNS 08925 and UNS N08926 Seamless Pipe and Tubes.
ASTM B829 General Requirements for Nickel and Nickel Alloys Seamless Pipe and Tube.
ASTM A530/A530M Standard Specification for General Requirements for Specialized and Alloy Steel Pipe.
ASTM A450/A450M Standard Specification for General Requirement for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes.
EN10216-5 Seamless Steel Tubes for Pressure Purposes-Technical Delivery Conditions-Part 5: Stainless Steel Tubes.
EN10217-7 Welded Steel Tubes for Pressure Purposes-Technical Delivery Conditions-Part 7: Stainless Steel Tubes.

Butt Weld Fittings

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