Name: Qingdao Casting Quality Industrial Co., Ltd
Address: No 51 Taiping Road, Qingdao City, Shandong Province, 266002, CN
Telephone: +86 53282972996
Price range: Grey Iron in EN 1561
Rating: 5

Introduction of Grey Iron in EN 1561

Grey Iron castings in EN 1561 is mainly iron and carbon based, carbon being present mainly in the form of flake (lamellar) graphite particles, also named known as flake graphite cast iron, and less commonly as lamellar graphite cast iron. It’s popular gray iron material in European standard.

Manufacture Process for Grey Iron in EN 1561

Sand Casting
Shell Casting
Lost Foam Casting

Our Services

Sand Casting
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.
Investment Casting
Also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance
Shell Casting
Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.
Permanent Mold Casting
For aluminum parts and Brozne parts
CNC Machining
CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.
CAD Design
Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.
Tools/Mold Design
Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.

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Standard of Grey Iron

EN 1561:2023 Founding – Grey cast irons

Grey Iron in EN 1561 Equivalent Material Grades

ISO 185:2004	ISO 185:1988	EN 1561	ASTM A48	JIS G5501	SAE J431	GB/T 9439:2010
ISO 185/JL/150	150	EN-GJL-150	150	FC150	G9H12	HT150
ISO 185/JL/200	200	EN-GJL-200	200	FC200	G10H18	HT200
ISO 185/JL/225	–	–	225	–	G10/21/G11H18	HT225
ISO 185/JL/250	250	EN-GJL-250	250	FC250	G11H20	HT250
EN 1561/JL/275	–	–	275	–	G12H21/G13H19	HT275
ISO 185/JL/300	300	EN-GJL-300	300	FC300	G13H22	HT300
ISO 185/JL/350	350	EN-GJL-350	350	FC350	G13H24	HT350
ISO 185/JL/HBW155	H145	EN-GJL-HB155	–	–	H10	H155
ISO 185/JL/HBW175	H175	EN-GJL-HB175	–	–	H11	H175
ISO 185/JL/HBW195	H175/H195	EN-GJL-HB195	–	–	H13/H14	H195
ISO 185/JL/HBW215	H175/195/215	EN-GJL-HB215	–	–	H15	H215
ISO 185/JL/HBW235	H195/215/235	EN-GJL-HB235	–	–	H18	H235
ISO 185/JL/HBW255	H215/235/255	EN-GJL-HB255	–	–	H20	H255

Grey Iron in EN 1561 Material Physical Property

Property of grey cast irons	EN-GJL-150	EN-GJL-200	EN-GJL-250	EN-GJL-300	EN-GJL-350
Mass Density; kgs/dm3	7.10	7.15	7.20	7.25	7.30
Specific heat capacity; J/(kgK) Between 20℃and 200℃ Between 20℃and 600℃	460 535
Linear expansion coefficient; um/(mK between -100℃ and +20℃ between 20℃ and 200℃ between 20℃ and 400℃	10.0 11.7 13.0
Thermal Conductivity; W/(mk) At 100℃ At 200℃ At 300℃ At 400℃ At 500℃	52.5 51.0 50.1 59.0 48.5	50.0 49.0 48.0 47.0 46.0	48.5 47.5 46.5 45.0 44.5	47.5 46.0 45.0 44.0 43.0	45.5 44.5 43.5 42.0 41.5
Resistivity; Ω·mm2/m	0.80	0.77	0.73	0.70	0.67
Coercivity; A/m	560 to 720	560 to 720	560 to 720	560 to 720	560 to 720
Maximum permeability; μH/m	220 to 330	220 to 330	220 to 330	220 to 330	220 to 330
Hysteresis losses at B=1T; J/m3	2500 to 3000	2500 to 3000	2500 to 3000	2500 to 3000	2500 to 3000

Grey Iron in EN 1561 Chemical Composition Requirements

No standard specifies the chemical composition, so we only recommend the following composition based on actual production.

Grade	Wall Thickness (mm)	C	Si	Mn	P ≤	S ≤
EN-GJL-100	–	3.4~3.9	2.1~2.6	0.5~0.8	0.3	0.15
EN-GJL-150	<30 30~50 >50	3.3~3.5 3.2~3.5 3.2~3.5	2.0~2.4 1.9~2.3 1.8~2.2	0.5~0.8 0.5~0.8 0.6~0.9	0.2 0.2 0.2	0.12 0.12 0.12
EN-GJL-250	<30 30~50 >50	3.2~3.5 3.1~3.4 3.0~3.3	1.6~2.0 1.5~1.8 1.4~1.6	1.7~0.9 0.8~1.0 0.8~1.0	0.15 0.15 0.15	0.12 0.12 0.12
EN-GJL-300	<30 30~50 >50	3.0~3.3 2.9~3.2 2.8~3.1	1.4~1.7 1.3~1.6 1.2~1.5	0.8~1.0 0.9~1.1 1.0~1.2	0.15 0.15 0.15	0.12 0.12 0.12
EN-GJL-350	<30 30~50 >50	2.9~3.2 2.9~3.2 2.8~3.1	1.4~1.7 1.2~1.5 1.1~1.4	0.8~1.0 0.9~1.1 1.0~1.2	0.15 0.15 0.15	0.10 0.10 0.10

Grey Iron in EN 1561 Mechanical Property

The material can be defined using two methods: a) the tensile strength in separately casting; b) the hardness of material.

Material Designation		Wall thickness mm		Tensile strength Value to be obtained
Symbol	Number	Over	Up to	In separately cast or side-by –side casting sample (N/mm2)	In cast-on samples (N/mm2)
EN-GJL-100	5.1100 (EN-JL1010)	5	40	100 to 200	–
EN-GJL-150	5.1200 (EN-JL1020)	2.5	5	150 to 250	–
		5	10		–
		10	20		–
		20	40		125
		40	80		110
		80	150		100
		150	300		90
EN-GJL-200	5.1300 (EN-JL1030)	2.5	5	200 to 300	–
		5	10		–
		10	20		–
		20	40		170
		40	80		155
		80	150		140
		150	300		130
EN-GJL-250	5.1301 (EN-JL1040)	5	10	250 to 350	–
		10	20		–
		20	40		210
		40	80		190
		80	150		170
		150	300		160
EN-GJL-300	5.1302 (EN-JL1050)	10	20	300 to 400	–
		20	40		250
		40	80		225
		80	150		210
		150	300		190
EN-GJL-350 (Removed in EN 1561: 2023)	(EN-JL1060)	10	20	350 to 450	315
		20	40		280
		40	80		250
		80	150		225
		150	300		–

Brinell hardness of castings of grey cast irons:

Grade material		Wall thickness (mm)		Brinell hardness (HB 30)
Symbol	Number	Over	Up to	Min	Max
EN-GJL-HB155	5.1101 (EN-JL2010)	2.5	5	–	210
		5	10		185
		10	20		170
		20	40		160
		40	80		155
EN-GJL-HB175	5.1201 (EN-JL2020)	2.5	5	170	260
		5	10	140	225
		10	20	125	205
		20	40	110	185
		40	80	100	175
EN-GJL-HB195	5.1304 (EN-JL2030)	5	10	170	260
		10	20	150	230
		20	40	135	210
		40	80	120	195
EN-GJL-HB215	5.1305 (EN-JL2040)	5	10	200	275
		10	20	180	255
		20	40	160	235
		40	80	145	215
EN-GJL-HB235	5.1306 (EN-JL2050)	10	20	200	275
		20	40	180	255
		40	80	165	235
EN-GJL-HB255	5.1307 (EN-JL2060)	20	40	200	275
EN-GJL-HB255	5.1307 (EN-JL2060)	40	80	185	255

Grey Iron in EN 1561 Heat Treatment Requirement

Generally, the castings are supplied without heat treatment. For some special applications, the heat treatment shall be agreed at the time of ordering, it can be to reduce internal stress or hardening, quenching and tempering for improving machinability.

Grey Iron in EN 1561 Application

Pumps and valves
Lathe bed, engineer blocks.
Industrial machinery parts.
Flywheels.
Automotive
Cookware, electrical boxes, bearing, bushing.
Construction parts.

Grey Iron Machinability:

Very good, easy for machining such as milling, turning or drilling.

Grey Iron Weldability:

Very bad. Generally, castings welding require the purchaser’s approval. The welding process and the filler metals should be appropriated to the use of the casting in manner intended.

Flanged Track Wheels

Cast Iron Wheels was made by sand casting process, it’s also named as guide rollers or Track casters for railway, Flanged Track Wheels, Flange Track Roller,Industrial Track wheels,Steel Rail Wheels.

Ductile Iron Spindle Housing

Spindle Housing for Shaft or Stem or bearing by Sand Casting. the Material can be: Ductile Iron Casting GGG40, GGG50,GGG60,GGG70, GGG80

Cast Iron Cylinder Liner Sleeves

Casting Method: Sand Casting or Centrifugal Casting Precision Machining: Lathe turning and grinding. Material: Grey Iron HT250; GG20; FC25 Cylinder liner is a central working part

Guiding Device-Pump Spare Parts

Sand Casting process with CNC machining; Cast grey iron ( gray iron) HT200/GG20/GG25 material; Pump Guiding Device Fittings with static balance, Paint protected

Pump Impeller

Cast Iron Impeller castings for water pumps. The mainly material is cast gray iron GG20/HT200/HT300. Sand casting method with CNC machining and static balance.

Malleable Iron Nipple

Malleable iron fittings, nipple， mateiral is malleable iron 300-6. Black surface or hot dipped surface(white). Sand Casting , hot dipped with thread Machining. Standard: EN 10242, DIN 2950

As a professional manufacturer in China, We Casting Quality focus on Metal Parts OEM industry, and provide solutions and services in Metal Casting field as following:

Sand Casting
Investment Casting, Lost Wax process
Shell Casting
Lost Form Casting
CNC Machining
CAD Design
Tools/Mold Design

Material Supplied

Cast Iron Castings (Grey Iron, Malleable Iron, Ductile Iron)
Carbon Steel and Alloy Steel Castings
Stainless Steel and Duplex Stainless Steel Castings
Aluminum Castings
Bronze and Brass Castings
Titanium and Cobalt Alloy Castings

What We Can Do

Design Ability

Our engineers will help you to improve the designs based on casting technology, then The simulation software will be processed to verify the casting pouring system. Pro/E, Solidworks, AutoCAD and ProCast are available in Casting Quality Industrial.

Saving Cost

Some manufacture processes may lead high cost. We will analyse the designs and advise the suitable methods to our customers. The best solution will be adopted.

Quality Control

From the raw material selecting to bulk production processing, all procedures will follow PPAP program if necessary. The certificates will be provided including chemistry, hardness, mechanical property or NDT testing.

Production Capacity

The max iron/steel castings can reach 30tons in weight, meanwhile the minus casting is around 1gram only.

We also have prototyping and 3D scanning ability for sample plan.

Logistic Service

The products will be delivered directly to customer’s workshop, which will save plenty of work for clients.

Any Query Pls:

Grey Iron in EN 1561