ASTM Standard List: Iron, Nickel Alloy/Heat Resistant Nickel Alloys and High Silicon Steels

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Introduction to ASTM Standards for Specialty Metals

ASTM specifications represent a consensus among producers, specifiers, fabricators, and users of steel mill products. ASTM's designation system for metals consists of a letter (A for ferrous materials) followed by an arbitrary sequentially assigned number. These designations often apply to specific products, for example A548 is applicable to cold-heading quality carbon steel wire for tapping or sheet metal screws.

For more information on the ASTM designation system see our related article: Introduction to the ASTM Standard Designation.

Iron Standards and Specifications

The following table provides a comprehensive list of ASTM standards related to iron products, including cast iron pipes, fittings, and specialized iron castings for various industrial applications.

Table 1. ASTM standards for iron products, showing standard numbers, latest versions, descriptions, and status

Standard Number	Last version	Description	Status
A 39		Staybolt Iron	Replaced by A 84 /no materials/
A 40		Engine Bolt Iron	Replaced by A 84 /no materials/
A 41		Refined Iron Bars	Withdrawn 1956 /no materials/
A 42		Wrought Iron Plates	Withdrawn 1972 /no materials/
A 43		Merchant Pig Iron	Withdrawn 1992 /260/
A 74	2009	Cast Iron Soil Pipe and Fittings	/1 /
A 79		Staybolt Wrought Iron Solid	Replaced by A84 /no materials/
A 81		Wrought Iron	Withdrawn 1972 /no materials/
A 84		Staybolt Wrought Iron, Solid	Withdrawn 1972 /no materials/
A 85		Specification for Common Iron Bars	Withdrawn 1953 /no materials/
A 86		Staybolt Wrought Iron, Hollow-Rolled	Withdrawn 1963 /no materials/
A 88		High-Test Gray-Iron Castings	Replaced by A48/A48M /no materials/
A 126		Gray Iron Castings for Valves, Flanges, and Pipe Fittings	/3/
A 138		Riveted Steel and Wrought-Iron Pipe	Withdrawn 1945 /no materials/
A 142		Cast Iron Culvert Pipe	Withdrawn 1977 /no materials/
A 152		Wrought Iron Rivets and Rivet Rounds	Withdrawn 1972 /no materials/
A 190		Lght Weight and Thin-Sectioned Gray Iron Castings	Withdrawn 1962 /no materials/
A 196		Guidelines for Cast Iron	Withdrawn 1962 /no materials/
A 197/A 197M	2006	Cupola Malleable Iron	/1/
A 197M	1992	Cupola Malleable Iron [Metric]	Replaced by A197/A197M /no materials/
A 220/A 220M	2004	Pearlitic Malleable Iron	/16/
A 220M	1993	Pearlitic Malleable Iron [Metric]	Replaced by A220/A 220M /no materials/
A 277		Malleable Iron Flanges, Pipe Fittings, and Valve Parts for Railroad, Marine and Other Heavy Duty Service	Replaced by A 338 /no materials/
A 319	2006	Gray Iron Castings for Elevated Temperatures for Non-Pressure Containing Parts	/15/
A 338	2004	Malleable Iron Flanges, Pipe Fittings, and Valve Parts for Railroad, Marine, and Other Heavy Duty Service at Temperatures Up to 650°F (345°C)	/no materials/
A 339		Iron Castings	/no materials/
A 377	2008	Standard Index of Specifications for Ductile-Iron Pressure Pipe	/no materials/
A 395/A 395M	2009	Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures	/2/
A 395M	1988	Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures [Metric]	Replaced by A 395/A 395M /no materials/
A 410		Pressure Vessel Plates, Alloy Steel, Chromium-Copper-Nickel-Aluminum	Withdrawn 1976 /no materials/
A 532/A 532M	2008	Abrasion-Resistant Cast Irons	/10/
A 608/A 608M	2006	Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing for Pressure Application at High Temperature	/16/
A 667/A 667M	2008	Centrifugally Cast Dual Metal (Gray and White Cast Iron) Cylinders	/1/
A 667M	1984	Centrifugally Cast Dual Metal (Gray and White Cast Iron) Cylinders (Metric)	Withdrawn 1987 /no materials/
A 674	2005	Standard Practice for Polyethylene Encasement for Ductile Iron Pipe for Water or Other Liquids	/no materials/
A 716	2008	Ductile Iron Culvert Pipe	/1/
A 746	2009	Ductile Iron Gravity Sewer Pipe	/no materials/
A 834	2006	Common Requirements for Iron Castings for General Industrial Use	/no materials/
A 842	2004	Compacted Graphite Iron Castings	/5/
A 848	2006	Low-Carbon Magnetic Iron	/2/
A 888	2009	Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications	/1/
A 897/A 897M	2006	Austempered Ductile Iron Castings	/22/
A 897M	1997	Austempered Ductile Iron Castings [Metric]	/no materials/
A 942	2007	Centrifugally Cast White Iron/Gray Iron Dual Metal Abrasion- Resistant Roll Shells	/8/
A 1056	2008	Standard Specification for Cast Iron Couplings Used for Joining Hubless Cast Iron Soil Pipe and Fittings	/no materials/

Nickel Alloys for High-Temperature Applications

Nickel alloys are critical materials for high-temperature and corrosion-resistant applications. The standards below cover various nickel-based materials including castings, plates, tubes, and specialized components.

Table 2. ASTM standards for nickel alloys and heat-resistant nickel alloys, including standard numbers, versions, descriptions, and status

Standard Number	Last version	Description	Status
A 38		Drawn or Rolled Alloy, 60 Percent Nickel, 16 Percent Chromium, and Balance Iron	Replaced by A 83 /no materials/
A 265	2009	Nickel and Nickel-Base Alloy-Clad Steel Plate	/1/
A 332		Nickel-Chromium-Molybdenum Steel Bars for Springs	Replaced by A 689 /no materials/
A 494/A 494M		Castings, Nickel and Nickel Alloy	/39/
A 636	2008	Nickel Oxide Sinter	/1/
A 645/A 645M	2005	Pressure Vessel Plates, 5 % and 5 1/2 % Nickel Alloy Steels, Specially Heat Treated	/2/
A 658/A 658M	1982	Pressure Vessel Plates, Alloy Steel, 36 Percent Nickel	Withdrawn 1988 /no materials/
A 753	2008	Wrought Nickel-Iron Soft Magnetic Alloys (UNS K94490, K94840, N14076, N14080)	/4/
A 946	2004	Chromium, Chromium-Nickel and Silicon Alloy Steel Plate, Sheet, and Strip for Corrosion and Heat Resisting Service	/1/
A 968/A 968M	2009	Chromium, Chromium-Nickel, and Silicon Alloy Steel Bars and Shapes for Corrosion and Heat-Resisting Service	/1/
B 163	2008	Seamless nickel and nickel alloy condenser and heat - exchanger tubes	/17/
B 166	2008	Nickel-chromium-iron alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, and N06045) and nickel-chromium-cobalt-molybdenum alloy (UNS N06617) rod, bar, and wire	/9/
B 344	2001	Drawn or rolled nickel-chromium and nickel-chromium-iron alloys for electrical heating elements	/3/
B 423	2005	Nickel-iron-chromium-molybdenum-copper alloy (UNS N08825 and N08221) seamless pipe and tube	/2/
B 649	2006	Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire	/6/
B 670	2007	Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service	/1/
B 688	2009	Chromium-nickel-molybdenum-iron (UNS N08366 and UNS N08367) plate, sheet, and strip	/2/
B 691	2007	Iron-nickel-chromium-molybdenum alloys (UNS N08366 and UNS N08367) rod, bar, and wire	/2/

High Silicon Electrical Steels

High silicon steels are specially engineered for electrical applications, featuring unique magnetic properties. The standards in this section cover various types of electrical steels, including grain-oriented and non-oriented varieties.

Table 3. ASTM standards for high silicon electrical steels, showing standard numbers, latest versions, descriptions, and status

Standard Number	Last version	Description	Status
A 664	2006	Standard Practice for Identification of Standard Electrical Steel Grades in ASTM Specifications	/no materials/
A 665	1984	Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed, Types 23G048, 27G053, 30G058, and 35G066	Replaced by A 876 /no materials/
A 665M	1984	Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed, Types 23G106M, 27G117M, 30G128M, and 35G146M	Replaced by A 876 /no materials/
A 677	2007	Nonoriented Electrical Steel Fully Processed Types	/no materials/
A 677M	1998	Nonoriented Electrical Steel, Fully Processed Types (Metric)	Replaced by 677 /no materials/
A 683	2005	Nonoriented Electrical Steel, Semiprocessed Types	/no materials/
A 683M	1991	Nonoriented Electrical Steel, Semiprocessed Types [Metric]	Replaced by A 683 /no materials/
A 725	1984	Flat-Rolled, Grain-Oriented, Silicon Iron, Electrical Steel, Fully Processed, Types 27H076, 30H083, 35H094	Replaced by A 876 /no materials/
A 725M	1984	Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed, Types 27H168M, 30H183M, 35H207M	Replaced by A 876M /no materials/
A 843	1985	Flat-Rolled, Grain-Oriented, High Permeability, Silicon-Iron Electrical Steel, Fully Processed, Types 27P066, 30P070, 35P076	/no materials/
A 861	2008	High-Silicon Iron Pipe and Fittings	/2/
A 867	2008	Iron-Silicon Relay Steels	/5/
A 876	2009	Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed Types	/no materials/
A 876M	1992	Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed Types [Metric]	Replaced by A 876 /no materials/
A 877/A 877M	2005	Steel Wire, Chromium-Silicon Alloy Valve Spring Quality	/1/
A 878/A 878M	2005	Steel Wire, Modified Chromium Vanadium Valve Spring Quality	/1/

Applications and Industry Uses

Iron, nickel alloys, and high silicon steels each serve critical functions across various industries. Cast iron products are commonly used in plumbing, drainage, and industrial fluid handling applications. Nickel alloys excel in high-temperature environments such as pressure vessels, heat exchangers, and aerospace components. High silicon electrical steels provide essential magnetic properties for transformers, motors, and other electrical equipment.