Ductile Iron Grade Chart

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Ductile Iron Grade Chart

Written by Administrator

The charts below list the ductile iron grades that Brantingham Manufacturing has had extensive experience working with. BMF has 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	Tensile Strength σ≥/Mpa	Yield Strength σ≥/Mpa	Elongation δ≥（%）
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 σ_b≥/MPa	Yield strength σ_0.2≥/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 σ_b≥/Mpa	Yield strength σ_0.2≥/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	Tensile Strength σ≥/Mpa	Yield Strength σ≥/Mpa	Elongation δ≥（%）
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 σ_b≥/Mpa	Yield strength σ_0.2≥/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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