JIS Standard List: Castings, Forgings, Welding and Filler Materials and Powder Metallurgy/Sintered M

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Understanding the JIS Standard System

The Japanese Industrial Standards (JIS) system follows a structured designation pattern. Each standard begins with the prefix "JIS," followed by a letter that indicates the specific industrial division, and then four digits that further classify the standard. This systematic approach allows for efficient categorization and identification of standards across various industries.

Developed by the Japanese Industrial Standards Committee (JISC) in Tokyo, JIS standards have gained significant international recognition, particularly in Asian and Pacific regions. Their influence extends beyond Japan, as many neighboring countries including Korea, China, and Taiwan have adopted JIS specifications as the foundation for their own national standards systems.

For those seeking more detailed information on the JIS designation methodology, please refer to the Introduction to the JIS Standard Designation System.

Applications and Material Categories

The JIS standards covered in this article address a wide range of industrial applications and material specifications. These include but are not limited to:

• Quenched and tempered alloy steel forgings for pressure vessels
• Corrosion-resistant and heat-resistant superalloy plates, sheets, and bars
• High-strength chromium-molybdenum alloy steel forgings for pressure vessels operating under high-temperature conditions

The standards are organized into four main material categories:

Castings Standards

The JIS standards for castings cover various specifications for cast iron, cast steel, and specialty alloys used in industrial applications. These standards address dimensional tolerances, technical delivery requirements, inspection methods, and material compositions.

Table 1. Comprehensive list of JIS standards related to castings, including standard numbers, latest versions, descriptions, and current status

Standard Number	Last version	Description	Status
B 0403	1995	Castings - System of dimensional tolerances and machining allowances
B 0407	1978	Permissible deviations in dimensions without tolerance indication for iron castings	Replaced by JIS B 0403:1995
B 0412	1978	Permissible deviations in dimensions without tolerance indication for steel castings	Replaced by JIS B 0403:1995
B 0703	1987	Roundness of castings
B 2031	1994	Gray cast iron valves
F 2002	1976	Cast iron dog type chain cable compressors	Withdrawn 1999
F 2003	1995	Cast iron deck end rollers	Withdrawn 1999
F 2015	1987	Cast steel bar type chain cable stoppers	Replaced by JIS F 2031:1998
F 2019	1979	Cast iron deck end rollers (small size)	Withdrawn 1999
F 3058	1996	Cast steel vertical storm valves
F 3060	1996	Cast steel screwdown vertical storm valves
G 0307	1998	Steel castings - General technical delivery requirements
G 0585	2002	Radiographic inspection for steel castings
G 5101	1991	Carbon steel castings
G 5102	1991	Steel castings for welded structure
G 5111	1991	High tensile strength carbon steel castings and low alloy steel castings for structural purposes
G 5121	2003	Corrosion-resistant cast steels for general applications
G 5122	2003	Heat-resistant cast steels and alloys for general applications
G 5131	2008	High manganese steel castings
G 5151	1991	Steel castings for high temperature and high pressure service
G 5152	1991	Steel castings for low temperature and high pressure service
G 5201	1991	Centrifugally cast steel pipes for welded structure
G 5202	1991	Centrifugally cast steel pipes for high temperature and high pressure service
G 5501	1995	Grey iron castings
G 5502	2001	Spheroidal graphite iron castings
G 5503	1995	Austempered spheroidal graphite iron castings
G 5504	2005	Heavy-walled ferritic spheroidal graphite iron castings for low temperature service
G 5510	1999	Austenitic iron castings
G 5511	1991	Low thermal expansive Fe-alloy castings
G 5525	2000	Cast-iron drainage pipes and fittings
G 5703	1988	Whiteheart malleable iron castings	Replaced by JIS G 5705:2000
G 5704	1988	Pearlitic malleable iron castings
G 5705	2000	Malleable iron castings
G 5903	1975	Cast shot and grit

Forgings Standards

This category encompasses standards for carbon steel forgings, alloy steel forgings, stainless steel forgings, and specialty forgings designed for specific service conditions such as high-temperature or low-temperature environments.

Table 2. JIS standards pertaining to forgings, detailing standard numbers, versions, descriptions, and status information

Standard Number	Last version	Description	Status
B 0415	1975	Dimensional tolerance for steel die forgings (hammer and press forging)
B 0416	1975	Dimensional tolerance for steel die forgings (upsetting)
B 0418	1999	Machining allowance for open die forgings
B 0706	1987	Corner and fillet radii of forged parts (hot and warm forgings)
B 5013	1994	Die sets for press dies	Withdrawn 2001
G 0306	1988	Steel forgings - General technical requirements
G 3201	1988	Carbon steel forgings for general use
G 3202	1988	Carbon steel forgings for pressure vessels
G 3203	1988	Alloy steel forgings for pressure vessels for high-temperature service
G 3204	1988	Quenched and tempered alloy steel forgings for pressure vessels
G 3205	1988	Carbon and alloy steel forgings for pressure vessels for low-temperature service
G 3206	1993	High strength chromium-molybdenum alloy steel forgings for pressure vessels under high-temperature service
G 3214	1991	Stainless steel forgings for pressure vessels
G 3221	1988	Chromium molybdenum steel forgings for general use
G 3222	1988	Nickel chromium molybdenum steel forgings for general use
G 3223	1988	High tensile strength steel forgings for tower flanges
G 3251	1988	Carbon steel blooms and billets for forgings
G 3545	1991	Boron steel wires for cold heading and cold forging	Replaced by JIS G 3508-2:2005
G 4315	2000	Stainless steel wires for cold heading and cold forging
G 4319	1991	Stainless steel blooms and billets for forgings
G 4320	2003	Cold-formed stainless steel sections
G 4321	2000	Stainless steel for building structure
G 4322	2008	Stainless steel bars for concrete reinforcement
G 4901	1999	Corrosion-resisting and heat-resisting superalloy bars
G 4902	1991	Corrosion-resisting and heat-resisting superalloy plates and sheets
G 4903	2008	Seamless nickel-chromium-iron alloy pipes
G 4904	2008	Seamless nickel-chromium-iron alloy heat exchanger tubes

Welding and Filler Materials Standards

The welding and filler materials standards section includes specifications for electrodes, welding procedures, and materials used in specialty welding applications such as stainless steel overlay welding.

Table 3. JIS standards specific to welding and filler materials, providing standard numbers, latest versions, descriptions, and current status.

Standard Number	Last version	Description	Status
G 4316	1991	Stainless steel wire rods for welding
Z 3252	2001	Covered electrodes for cast iron
Z 3322	2002	Materials for stainless steel overlay welding with strip electrode
Z 3422-1	2003	Specification and approval of welding procedures for metallic materials - Welding procedure tests - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys

Powder Metallurgy and Sintered Materials Standards

The standards in this category address terminology, testing methods, and specifications for powder metallurgy products and sintered materials used in various industrial applications.

Table 4. JIS standards related to powder metallurgy and sintered materials, including standard numbers, versions, descriptions, and status information.

Standard Number	Last version	Description	Status
H 2601	1983	Iron powder	Withdrawn 2000
Z 2500	2000	Powder metallurgy - Vocabulary
Z 2501	2000	Sintered metal materials - Determination of density, oil content, and open porosity
Z 2502	2000	Metallic powders - Determination of flowability by means of a calibrated funnel (Hall flowmeter)
Z 2503	2000	Powders for powder metallurgical purposes - Sampling
Z 2550	2000	Sintered metal materials - Specification

Industrial Importance of JIS Standards

JIS standards play a crucial role in ensuring quality, safety, and compatibility across industries. For manufacturers and engineers working with metallurgical materials, these standards provide essential guidelines for material selection, production processes, and quality control.

The widespread adoption of JIS standards throughout Asia and the Pacific region has facilitated international trade and collaboration in manufacturing. By adhering to these recognized standards, companies can ensure their products meet globally accepted quality requirements and performance specifications.

Whether working with castings for pressure vessels, forgings for high-temperature applications, or specialized welding materials, professionals in metallurgical industries benefit from the comprehensive framework provided by the JIS standards system.