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Ductile Iron Grade Chart made by Dandong Foundry in China

The charts below list the ductile iron grades that Dandong Foundry has had extensive experience working with. We have a wide range of available grades and can work with customers to recommend the right material for their needs or to suit a particular market. As our customers are spread throughout the globe, we also have no issue working with multiple international standards. Please contact our engineering sales department for more information on material grade and specifications.

 

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) 

DIN 1693 1997 (Germany)  

 Grade 

Material No 

W-Nr. 

Tensile strength 

σb≥/Mpa 

Yield strength 

σ0.2≥/Mpa 

Elongation 

δ≥(%) 

GGG-40 

0.7040 

400 

250 

15 

GGG-50 

0.7050 

500

320 

7 

GGG-60

0.7060 

600

380 

3

GGG-70 

0.7070 

700

400 

2

GGG-80

0.7080

800

500

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)   

ISO 1083 1987 (International)

 

Grade 

Tensile strength 

σb≥/Mpa 

Yield strength 

σ0.2≥/Mpa 

Elongation 

δ≥% 

Hardness 

HBS 

900-2

900

600

2

280~360

800-2

800

480

2

245-335

700-2

700

420

2

225~305

600-3

600

370

3

190~270

500-7

500

320

7

170~230

450-10

450

320

10

160~210

400-15

400

250

15

130~180

400-18
400-18 AL*

400

250

18

130~180

350-22

350

220

22

≤150

 * Low temperature V notch impact tested (-20±2



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