Dandong Foundry supply a full range of ductile iron castings from 0.50kg up to 1,000kg.
- Engineered castings with structural functions.
- Full range of materials available.
- High tensile strength.
- Equipment to ensure precision products.
Product Material and Uses:
The ductile iron casting products are widely used for Auto-cars, trains, trucks, vehicle components, mining machinery components, agricultural machinery parts, textile machinery parts, construction machinery parts, valves and pump parts, etc.
The followings are Ductile Iron Grade Charts:
ASTM A536 1993 (USA)
Grade |
Tensile Strength
σ≥/Mpa |
Yield Strength
σ≥/Mpa |
Elongation
δ≥(%) |
ANSI/ASTM |
UNS |
60-40-18 |
F32800 |
414 |
276 |
18 |
65-45-12 |
F33100 |
448 |
310 |
12 |
80-55-06 |
F33800 |
552 |
379 |
6.0 |
100-70-03 |
F34800 |
689 |
483 |
3.0 |
120-90-02 |
F36200 |
827 |
621 |
2.0 |
Special Purpose |
|
|
|
60-42-10 |
|
415 |
290 |
10 |
70-50-05 |
|
485 |
345 |
5.0 |
80-60-03 |
|
555 |
415 |
3.0 |
GB/T 1348 1998 (China)
Grade |
Tensile strength
σb≥/MPa |
Yield strength
σ0.2≥/MPa |
Elongation
δ5≥(％) |
Hardness
HBS |
QT400-18
QT400-18-LT* |
400 |
250 |
18 |
130~180 |
QT400-15 |
400 |
250 |
15 |
130~180 |
QT450-10 |
450 |
310 |
10 |
160~210 |
QT500-7 |
500 |
320 |
7 |
170~230 |
QT600-3 |
600 |
370 |
3 |
190~270 |
QT700-2 |
700 |
420 |
2 |
225~305 |
QT800-2 |
800 |
480 |
2 |
245~335 |
QT900-2 |
900 |
600 |
2 |
280~360 |
Low temperature V notch impact tested (-20±2℃)
EN 1563 1997 (European Standard)
Grade |
Tensile Strength
σ≥/Mpa |
Yield Strength
σ≥/Mpa |
Elongation
δ≥(%) |
Symbol |
Number |
EN GJS 350-22 |
EN JS1010 |
350 |
220 |
22 |
EN GJS 350-22-LT* |
EN JS1015 |
350 |
220 |
22 |
EN GJS 400-18 |
EN JS1020 |
400 |
250 |
18 |
EN GJS 400-18-LT* |
EN JS1025 |
400 |
240 |
18 |
EN GJS 400-15 |
EN JS1030 |
400 |
250 |
15 |
EN GJS 450-10 |
EN JS1040 |
450 |
310 |
10 |
EN GJS 500-7 |
EN JS1050 |
500 |
320 |
7 |
EN GJS 600-3 |
EN JS1060 |
600 |
370 |
3 |
EN GJS 700-2 |
EN JS1070 |
700 |
420 |
2 |
EN GJS 800-2 |
EN JS1080 |
800 |
480 |
2 |
EN GJS 900-2 |
EN JS1090 |
900 |
600 |
2 |
Low temperature V notch impact tested (-20±2℃)
Common Ductile Iron Grades
While there are many different ductile iron specifications, foundries routinely offer 3 common grades;
Physical and Mechanical Properties |
ASTM A536, Grade 60-40-18 |
ASTM A536, Grade 65-45-12 |
ASTM A536, Grade 80-55-06 |
Tensile Strength, min, psi |
60,000 |
65,000 |
80,000 |
Tensile Strength, min, MPa |
414 |
448 |
552 |
Yield Strength, min, psi |
40,000 |
45,000 |
55,000 |
Yield Strength, min, MPa |
276 |
310 |
379 |
Elongation in 2 in. or 50 mm, min % |
18 |
12 |
6 |
Density lb/in3 |
0.256 |
0.256 |
0.256 |
Density g/cm3 |
7.1 |
7.1 |
7.1 |
Melting Temperature (Degrees F) |
2,100 – 2,190 |
2,100 – 2,190 |
2,100 – 2,190 |
Melting Temperature (Degrees C) |
1,150 - 1,200 |
1,150 - 1,200 |
1,150 - 1,200 |
Compressive Strength Ksi |
429 |
429 |
429 |
Compressive Strength MPa |
2960 |
2960 |
2960 |
UNS |
F32800 |
F33100 |
F33800 |
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