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Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Manufactur standard Gray Iron Green Sand Casting - Gray Cast Iron Casting Product by Sand Casting – RMC Foundry

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Manufactur standard Gray Iron Green Sand Casting - Gray Cast Iron Casting Product by Sand Casting – RMC Foundry Detail:

Gray cast iron is the ferrous metal whose cementite decomposes into iron and carbon in the form of graphite which is called graphitization cast irons where a large percentage of cementite is decomposed by graphitization.

Gray Iron Material Grades
Country Standard Equivalent Grades of Grey Iron (Gray Cast Iron)
ISO ISO 185 100 150 200 250 300 350
China GB 9439 HT100 HT150 HT200 HT250 HT300 HT350
USA ASTM A48 - NO.20 NO.30 NO.35 NO.40 NO.50
NO.25 NO.45
Germany DIN 1691 GG10 GG15 GG20 GG25 GG30 GG35
Austria
European EN 1561 EN-GJL-100 EN-GJL-150 EN-GJL-200 EN-GJL-250 EN-GJL-300 EN-GJL-350
Japan JIS G5501 FC100 FC150 FC200 FC250 FC300 FC350
Italy UNI 5007 G10 G15 G20 G25 G30 G35
France NF A32-101 - FGL150 FGL200 FGL250 FGL300 FGL350
UK BS 1452 100 150 200 250 300 350
India IS 210 - FG150 FG200 FG260 FG300 FG350
Spain UNF - FG15 FG20 FG25 FG30 FG35
Belgium NBN 830-01 FGG10 FGG15 FGG20 FGG25 FGG30 FGG35
Australia AS 1830 - T150 T220 T260 T300 T350
Sweden SS 14 01 O110 O115 O120 O125 O130 O135
Norway NS11 100 SJG100 SJG150 SJG200 SJG250 SJG300 SJG350
Min. Tensile Strength (Mpa) 100 150 200 250 300 350

Performance Characteristics of Gray Iron Castings:
• Liquid gray iron has good fluidity, and its volume shrinkage and linear shrinkage are small, and the notch sensitivity is small
• Low comprehensive mechanical properties, compressive strength is about 3~4 times higher than tensile strength
• Good shock absorption, the shock absorption of gray iron is about 10 times greater than that of cast steel
• Gray iron has low modulus of elasticity

Structural Characteristics of Gray Iron Castings:
• Small wall thickness and complex shapes are available
• The residual stress of the casting is small
• Gray iron castings should not be designed with very thick structures, and asymmetrical sections are often used to make full use of their compressive strength

Sand casting process offers the greatest flexibility and the most cost-effective tooling. Our sand casting foundry is equipped with a complete metallurgical laboratory to determine the chemical and mechanical characteristics of each melt and to analyse the metallugic condition of the molten metal before pouring. Microsections are examined under the microscope to obtain final information on the solified casting. We issue 3.1 certificate for each delivered part on customer request. Cast irons are the ferrous alloys which have carbon contents of more than 2%. Though cast irons can have a carbon percentage between 2 to 6.67, the practical limit is normally between 2 and 4%. These are important mainly because of their excellent casting qualities. The gray cast irons and ductile cast irons (also called nodular cast iron or spheroidal graphite iron).

Our Advantages in Sand Casting Field:
• Tens of years of experience in sand casting, shell molding casting and machining technology.
• Dimensionally accurate cores for complex internal contours.
• Extensive consulting which starts in the design phase.
• Quality management throughout the production process and maximum process reliability.

Available Grade of Gray Iron at RMC Sand Casting Foundry:  HT150, HT200, HT250, HT300, HT350; GJL-100, GJL-150, GJL-200, GJL-250, GJL-300, GJL-350; GG10~GG40.

RMC, a China iron foundry, is producing various grey iron casting products for overseas customers in USA, Australia, UK, Spain, Germany, Norway, Finland, Russia and Italy. Production according to standards ASTM A48, A536; DIN 1691, 1693; ISO 185, 1083; EN 1561, 1563; DIN 1691, 1693; AS 1830, 1831; JIS, UNI, NF, BS, UNF, NBN, AS, SS, NS. Material grades including:

ISO185: 100 150 200 250 300
ASTM A48: NO.20 NO.25 NO.30 NO.35 NO.40 NO.45
DIN 1691: GG10 GG15 GG20 GG25 GG30
EN 1561: EN-GJL-100 EN-GJL-150 EN-GJL-200 EN-GJL-250 EN-GJL-300
BS 1452: 100 150 200 250 300
AS 1830: T150 T220 T260 T300

Production Process:
Sand Casting, Automatic Molding, Machine Molding, Shell Molding, Green Sand Casting, Resin Sand Casting”

Gray Iron Applications:
The following is the common application for each degree of grey cast iron for your reference.

HT100 (GG10, EN-GJL-100):
For small loads, the friction and wear no special requirements for important castings, such as protective cover, cover, oil pan, hand wheels, frame, floor, hammer, small handle, etc.

HT150 (GG15, EN-GJL-150):
Under moderate load of castings, such as the base, frame, box, knife, bed, bearing seat, table, wheels, cover, pump, valve, pipe, flywheel, motor blocks and other

HT200 (GG20, EN-GJL-200):
Requirements withstand greater load and a certain degree of tightness or corrosion resistance of the more important castings such as cylinder, gear, base, flywheels, bed, cylinder block,cylinder liner, piston, gear box, brake wheel, coupling Plate, medium pressure valve, etc.

HT300(GG30, EN-GJL-300):
Under high load, wear and high air tightness important castings, such as heavy machine tools, shears, presses, automatic lathe bed, frame, frame, high-pressure hydraulic parts, piston rings, force larger gear, Cams, bushings, large engine crankshaft, cylinder block, cylinder liner, cylinder head, etc.

Metal and Alloys  Grade for Sand Casting
Sand Casting Equipment at RMC Foundry
Sand castings of cast iron

Custom Sand Castings of Cast Iron


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Manufactur standard Gray Iron Green Sand Casting -
 Gray Cast Iron Casting Product by Sand Casting – RMC Foundry detail pictures


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We have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for Manufactur standard Gray Iron Green Sand Casting - Gray Cast Iron Casting Product by Sand Casting – RMC Foundry, The product will supply to all over the world, such as: Toronto , Muscat , Greece , As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the top quality products and solutions we supply, effective and satisfying consultation service is supplied by our professional after-sale service group. Solution lists and thorough parameters and any other info weil be sent for you timely for the inquiries. So make sure you get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We're confident that we have been going to share mutual results and build solid co-operation relations with our companions in this market. We're looking forward to your inquiries.
  • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Mark from Guyana - 2018.07.27 12:26
    This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Gill from Norwegian - 2018.11.22 12:28