This table offers a comprehensive overview of material codes for Gray Cast Iron, Ductile Cast Iron, White Cast Iron, and Heat-Resistant Steel across 11 major international standards, including JIS, DIN, AISI, and GB. These materials are commonly used in industries such as automotive, construction, and heavy machinery, where high strength, wear resistance, and heat tolerance are essential. This table helps engineers, manufacturers, and material specialists easily identify equivalent grades from different standards, ensuring that they select the most suitable material for their specific applications.
Heat-Resistant Steel Code Comparison Table
| Japan | Germany | United Kingdom | France | Italy | Spain | Sweden | United States | China | ||
|---|---|---|---|---|---|---|---|---|---|---|
| JIS | W.-nr. | DIN | BS | EN | AFNOR | UNI | UNE | SS | AISI/SAE | GB |
| SUH330 | 1.4864 | X12NiCrSi3616 | – | – | Z12NCS35.16 | – | – | – | 330 | – |
| SCH15 | 1.4865 | G-X40NiCrSi3818 | 330C11 | – | – | XG50NiCr3919 | – | – | HT, HT 50 | – |
Gray Cast Iron Code Comparison Table
| Japan | Germany | United Kingdom | France | Italy | Spain | Sweden | United States | China | ||
|---|---|---|---|---|---|---|---|---|---|---|
| JIS | W.-nr. | DIN | BS | EN | AFNOR | UNI | UNE | SS | AISI/SAE | GB |
| – | – | – | – | – | – | – | – | 0100 | – | – |
| FC100 | – | GG 10 | – | – | Ft 10 D | – | – | 0110 | No 20 B | – |
| FC150 | 0.6015 | GG 15 | Grade 150 | – | Ft 15 D | G15 | FG15 | 0115 | No 25 B | HT150 |
| FC200 | 0.6020 | GG 20 | Grade 220 | – | Ft 20 D | G20 | – | 0120 | No 30 B | HT200 |
| FC250 | 0.6025 | GG 25 | Grade 260 | – | Ft 25 D | G25 | FG25 | 0125 | No 35 B | HT250 |
| – | – | – | – | – | – | – | – | – | No 40 B | – |
| FC300 | 0.6030 | GG 30 | Grade 300 | – | Ft 30 D | G30 | FG30 | 0130 | No 45 B | HT300 |
| FC350 | 0.6035 | GG 35 | Grade 350 | – | Ft 35 D | G35 | FG35 | 0135 | No 50 B | HT350 |
| – | 0.6040 | GG 40 | Grade 400 | – | Ft 40 D | – | – | 0140 | No 55 B | HT400 |
| – | 0.6660 | GGL NiCr202 | L-NiCuCr202 | – | L-NC 202 | – | – | 0523 | A436 Type 2 | – |
Ductile Cast Iron Code Comparison Table
| Japan | Germany | United Kingdom | France | Italy | Spain | Sweden | United States | China | ||
|---|---|---|---|---|---|---|---|---|---|---|
| JIS | W.-nr. | DIN | BS | EN | AFNOR | UNI | UNE | SS | AISI/SAE | GB |
| FCD400 | 0.7040 | GGG 40 | SNG 420/12 | – | FCS 400-12 | GS 370-17 | FGE 38-17 | 07 17-02 | 60-40-18 | QT400-18 |
| – | – | GGG 40.3 | SNG 370/17 | – | FGS 370-17 | – | – | 07 17-12 | – | – |
| – | 0.7033 | GGG 35.3 | – | – | – | – | – | 07 17-15 | – | – |
| FCD500 | 0.7050 | GGG 50 | SNG 500/7 | – | FGS 500-7 | GS 500 | FGE 50-7 | 07 27-02 | 80-55-06 | QT500-7 |
| – | 0.7660 | GGG NiCr202 | Grade S6 | – | S-NC202 | – | – | 07 76 | A43D2 | – |
| – | – | GGG NiMn137 | L-NiMn 137 | – | L-MN 137 | – | – | 07 72 | – | – |
| FCD600 | – | GGG 60 | SNG 600/3 | – | FGS 600-3 | – | – | 07 32-03 | – | QT600-3 |
| FCD700 | 0.7070 | GGG 70 | SNG 700/2 | – | FGS 700-2 | GS 700-2 | FGS 70-2 | 07 37-01 | 100-70-03 | QT700-18 |
White Cast Iron Code Comparison Table
| Japan | Germany | United Kingdom | France | Italy | Spain | Sweden | United States | China | ||
|---|---|---|---|---|---|---|---|---|---|---|
| JIS | W.-nr. | DIN | BS | EN | AFNOR | UNI | UNE | SS | AISI/SAE | GB |
| FCMB310 | – | – | 8 290/6 | – | MN 32-8 | – | – | 08 14 | – | – |
| FCMW330 | – | GTS-35 | B 340/12 | – | MN 35-10 | – | – | 08 15 | 32510 | – |
| FCMW370 | 0.8145 | GTS-45 | P 440/7 | – | Mn 450 | GMN45 | – | 08 52 | 40010 | – |
| FCMP490 | 0.8155 | GTS-55 | P 510/4 | – | MP 50-5 | GMN55 | – | 08 54 | 50005 | – |
| FCMP540 | – | GTS-65 | P 570/3 | – | MP 60-3 | – | – | 08 58 | 70003 | – |
| FCMP590 | 0.8165 | GTS-65-02 | P 570/3 | – | Mn 650-3 | GMN 65 | – | 08 56 | A220-70003 | – |
| FCMP690 | – | GTS-70-02 | P 690/2 | – | Mn 700-2 | GMN 70 | – | 08 62 | A220-80002 | – |
FAQ
What is Gray Cast Iron and what are its key properties?
Gray Cast Iron is known for its excellent castability, good wear resistance, and high damping capacity. It is widely used in applications where vibration resistance and durability are important, such as engine blocks, pipes, and pumps. However, it has relatively low tensile strength compared to other materials like ductile cast iron.
When should I use Ductile Cast Iron over Gray Cast Iron?
Ductile Cast Iron, also known as nodular cast iron, is ideal for applications requiring higher strength, ductility, and toughness compared to gray cast iron. It is commonly used in automotive parts, gears, and valves, where both high strength and excellent elongation are required. If your application demands better fatigue resistance and impact strength, ductile cast iron is the better choice.
What is White Cast Iron, and where is it used?
White Cast Iron is characterized by its high hardness and abrasion resistance but is brittle. It is typically used in wear-resistant applications such as crushers, grinding mills, and liners. While it offers excellent wear resistance, it is less flexible than other types of cast iron and may not be suitable for applications requiring high ductility.
What makes Heat-Resistant Steel different from other steels?
Heat-Resistant Steel is designed to maintain its mechanical properties at elevated temperatures, making it ideal for high-heat environments such as furnaces, gas turbines, and engines. Unlike regular steel, heat-resistant steel exhibits superior oxidation resistance and can withstand temperatures beyond 500°C. For applications where extreme heat tolerance is crucial, this material is often the best choice.
How do I choose between Heat-Resistant Steel and other cast iron materials?
The choice between Heat-Resistant Steel and cast iron depends on the application’s temperature requirements and mechanical stress. If your project involves very high temperatures (over 500°C), heat-resistant steel is the ideal option due to its thermal stability and resistance to oxidation. On the other hand, if the project focuses on heavy-duty, wear-resistant components, cast iron (especially Ductile Cast Iron) might be a better choice due to its durability and mechanical strength.