Shell Mould Casting
Shell molding, is an expendable mold casting process that uses a resin covered sand to form the mould. As compared to sand casting this process has better dimensional accuracy, a higher productivity rate, and lower labor requirements. This process provides customers with the best quality Air-Water cooled blocks, specially designed Core shooter machine to shoot the sand in the complicated shape of core box.
Mold preparation
Sand-casting is the shell-molding process, in which a mixture of sand and a thermosetting resin binder is placed on a heated metal pattern. The resin sets, binding the sand particles together and forming half of a strong mold. Two halves and any desired cores are then assembled to form the mold, and this mold is backed up with moist sand for casting. Greater dimensional accuracy and a smoother surface are obtained in this process than in greensand-casting.
The first step in any casting operation is to form a mold that has the shape of the part to be made. For example, in greensand-casting, sand combined with a binder such as water and clay is packed around a pattern to form the mold. The pattern is removed, and on top of the cavity is placed a similar sand mold containing a passage (called a gate) through which the metal flows into the mold. The mold is designed so that solidification of the casting begins far from the gate and advances toward it, so that molten metal in the gate can flow in to compensate for the shrinkage that accompanies solidification. Sometimes additional spaces, called risers, are added to the casting to provide reservoirs to feed this shrinkage. After solidification is complete, the sand is removed from the casting, and the gate is cut off. If cavities are intended to be left in the casting—for example, to form hollow part— sand shapes called cores are made and suspended in the casting cavity before the metal is poured.
Materials processing
Series of operations that transform industrial materials from a raw-material state into finished parts or products. Industrial materials are defined as those used in the manufacture of “hard” goods, such as more or less durable machines and equipment produced for industry and consumers.
The processes used to convert raw materials into finished products perform one or both of two major functions: first, they form the material into the desired shape, and, second, they alter or improve the properties of the material.
Material Grade
Country | Standard | Equivalent Grades of Grey 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.55 |
Germany | DIN 1691 | GG10 | GG15 | GG20 | GG25 | GG30 | GG35 | GG40 |
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 | FGL400 |
UK | BS 1452 | 100 | 150 | 200 | 250 | 300 | 350 | - |
India | IS 210 | - | FG150 | FG200 | FG250 | FG300 | FG350 | FG400 |
Spain | UNF | - | FG15 | FG20 | FG25 | FG30 | FG35 | - |
Belgium | NBN 830-01 | FGG10 | FGG15 | FGG20 | FGG25 | FGG30 | FGG35 | FGG40 |
Australia | AS 1830 | - | T150 | T220 | T260 | T300 | T350 | T400 |
Sweden | SS 14 01 | O110 | O115 | O120 | O125 | O130 | O135 | O140 |
Norway | NS11 100 | SJG100 | SJG150 | SJG200 | SJG250 | SJG300 | SJG350 | - |
Country | Standard | Equivalent Grades of Ductile Iron (SG Iron/Nodular Graphite Iron Casting) | ||||||
ISO | ISO 1083 | 400-15 | 450-10 | 500-7 | 600-3 | 700-2 | 800-2 | 900-2 |
China | GB 1348 | QT400-18 | QT450-10 | QT500-7 | QT600-3 | QT700-2 | QT800-2 | QT900-2 |
USA | ASTM A536 | 60-40-18 | 60-42-10 | 70-50-05 | 80-55-06 | 100-70-03 | 120-90-02 | - |
Germany | DIN 1693 | GGG40 | - | GGG50 | GGG60 | GGG70 | GGG80 | - |
European | EN 1563 | EN-GJS-400-15 | EN-GJS-450-10 | EN-GJS-500-7 | EN-GJS-600-3 | EN-GJS-700-2 | EN-GJS-800-2 | EN-GJS-900-2 |
Japan | JIS G5502 | FCD400 | FCD450 | FCD500 | FCD600 | FCD700 | FCD800 | - |
Italy | UNI 4544 | GS370-17 | GS400-12 | GS500-7 | GS600-2 | GS700-2 | GS800-2 | - |
France | NF A32-201 | FGS370-17 | FGS400-12 | FGS500-7 | FGS600-2 | FGS700-2 | FGS800-2 | - |
UK | BS 2789 | 400/17 | 420/12 | 500/7 | 600/7 | 700/2 | 800/2 | 900/2 |
India | IS 1865 | SG370/17 | SG400/12 | SG500/7 | SG600/3 | SG700/2 | SG800/2 | - |
Spain | UNF | FGE38-17 | FGE42-12 | FGE50-7 | FGE60-2 | FGE70-2 | FGE80-2 | - |
Belgium | NBN 830-02 | FNG38-17 | FNG42-12 | FNG50-7 | FNG60-2 | FNG70-2 | FNG80-2 | - |
Australia | AS 1831 | 300-17 | - | 500-7 | 600-3 | 700-2 | 800-2 | - |
Sweden | SS 14 07 | 0717-02 | - | 0727-02 | 0732-03 | 0737-01 | 0864-03 | - |
Norway | NS11 301 | SJK-400.3 | - | SJK-500 | SJK-600 | SJK-700 | SJK-800 | - |
UK | ISO | France | Germany | Italy UNI | USA (AA/ASTM) | USA | Japan |
LM0 | AL 99.5 | A5 | - | 3950 | 150 | - | - |
LM2 | AL-Si10Cu2Fe | A-S9U3-Y4 | - | 5076 | 384 | 383 | ADC12 |
LM4 | Al-Si5Cu3 | A-S5Ue | G-AlSi6Cu4 (225) | 3052 | 319 | 326 | AC2A |
LM5 | AL-Mg5Si1 | AG6 | 3058 | 514 | 320 | AC7A | |
LM6 | AL-Mg6 | AS13 | G-AlSi12 (230) | 4514 | A413 | - | AC3A |
LM9 | Al-Si10Mg | A-S10G | G-AlSi10Mg (233) | 3049 | A360 | 309 | AC4A |
LM12 | Al-Cu10Si2Mg | A-U10G | - | 3041 | 222 | 34 | - |
LM13 | Al-Si12Cu | A-S12UN | - | 3050 | 336 | 321 | AC8A |
LM16 | Al-Si5Cu1Mg | A-S4UG | - | 3600 | 355 | 322 | AC4D |
LM20 | Al-Si12Cu | A-S12-Y4 | G-AlSi12 (Cu)(231) | 5079 | A413 | 305 | - |
LM21 | Al-Si6Cu4 | A-S5U2 | G-AlSi6Cu4(225) | 7369/4 | 308 | 326 | AC2A |
LM22 | Al-Si5Cu3 | A-S5U | G-AlSi6Cu4(225) | 3052 | 319 | 326 | AC2A |
LM24 | Al-Si8Cu3Fe | A-S9U3A-Y4 | G-AlSi8Cu3(226) | 5075/3601 | A380 | 306 | AC4B/ADC10 |
LM25 | Al-Si7Mg | A-S7G | G-AlSi7Mg | 3599 | A356 | 323 | AC4C |
LM26 | Al-Si9Cu3Mg | A-S7U3G | - | 3050 | 332 | 332 | - |
LM27 | Al-Si7Cu3Mn0.5 | - | - | 7369 | - | - | AC2B |
LM28 | Al-Si19CuMgNi | - | - | 6251 | - | - | - |
LM29 | Al-Si23CuMgNi | - | - | 6251 | - | - | - |
LM30 | Al-Si17Cu4Mg | - | - | - | 390 | - | - |
LM31 | Al-Zn5Mg | A-Z5G | - | 3602 | 712 | 310 | - |
Austenitic Stainless Steel Casting Grades | |||||||||
Carbon | Manganese | Silicon | Chromium | Nickel | Molybdenum | Phosphorus | Sulfur | Copper | |
Min-Max | Min-Max | Min-Max | Min-Max | Min-Max | Min-Max | Max | Min-Max | Min-Max | |
CF-16Fa-303 | 0.16 Max | 1.5 Max | 2.0 Max | 18.0 -21.0 | 9.0-12.0 | 0.40-0.80 | 0.04 | 0.20-0.40 | |
CF-8-304 | 0.08 Max | 1.5 Max | 2.0 Max | 18.0-21.0 | 8.0-11.0 | 0.04 | 0.04 Max | ||
CF-3-(304ML) | 0.03 Max | 1.5 Max | 2.0 Max | 17.0-21.0 | 8.0-12.0 | 0.04 | 0.04 Max | ||
CF-8M-316 | 0.08 Max | 1.5 Max | 2.0 Max | 18.0-21.0 | 9.0-12.0 | 2.0-3.0 | 0.04 | 0.04 Max | |
CF-3M-(316L) | 0.03 Max | 1.5 Max | 1.5 Max | 17.0-21.0 | 9.0-13.0 | 2.0-3.0 | 0.04 | 0.04 Max | |
CF-8C-347 | 0.08 Max | 1.5 Max | 2 Max | 18.0-21.0 | 9.0-12.0 | 0.04 | 0.04 Max | ||
CG-8M-317 | 0.08 Max | 1.5 Max | 1.5 Max | 18.0-21.0 | 9.0-13.0 | 3.0-4.0 | 0.04 | 0.04 Max |
Ferritic Stainless Steel Casting Grades | |||||||||
Carbon | Manganese | Silicon | Chromium | Nickel | Molybdenum | Phosphorous | Sulfur | Copper | |
Max | Max | Max | Min-Max | Max | Max | Max | Max | Max | |
409/Nb | 0.16 | 1.5 | 2 | 10.5-11.75 | 0.5 | 0.045 | 0.045 | ||
442(CB-30) | 0.3 | 1 | 1.5 | 18.0-22.0 | 2 | 0.04 | 0.04 | ||
446(CC-50) | 0.5 | 1 | 1.5 | 26.0-30.0 | 4 | 0.04 | 0.04 |
Martensitic Stainless Steel Casting Grades | |||||||||
Carbon | Manganese | Silicon | Chromium | Nickel | Molybdenum | Phosphorous | Sulfur | Copper | |
Min-Max | Max | Min-Max | Min-Max | Min-Max | Min-Max | Max | Min-Max | Min-Max | |
410 | 0.05-0.15 | 1 | 1.5 Max | 11.5-14.0 | 1.0 Max | 0.5 Max | 0.04 | 0.04 Max | 0.50 Max |
416 | 0.15 Max | 1.25 | 1.50 Max | 11.5-14.0 | 0.50 Max | 0.50 Max | 0.05 | 0.15-0.35 | 0.50 Max |
420 | 0.15 Max | 1 | 1.0 Max | 12.0-14.0 | 0.04 | 0.03 Max | |||
15-5 PH | 0.05 Max | 0.6 | 0.50-1.00 | 14.00-15.50 | 4.20-5.00 | 0.025 | 0.025 Max | 2.5-3.2 | |
17-4 PH | 0.06 Max | 0.7 | 0.50-1.00 | 15.5-16.7 | 3.60-4.60 | 0.04 | 0.03 Max | 2.8-3.5 |
Duplex Stainless Steel Casting Grades | |||||||||
Carbon | Manganese | Silicon | Chromium | Nickel | Molybdenum | Phosphorous | Sulfur | Copper | |
Max | Max | Max | Min-Max | Min-Max | Min-Max | Max | Max | Min-Max | |
ASTM A890 Grade 1A (CD4MCu) | 0.04 | 1 | 1 | 24.5-26.5 | 4.75-6.00 | 1.75-2.25 | 0.04 | 0.04 | 2.75-3.25 |
ASTM A890 Grade 4A (CD3MN) | 0.03 | 1.5 | 1 | 21.0-23.0 | 4.5- 6.5 | 2.5-3.5 | 0.04 | 0.02 | 1.00 Max |
Common Alloy Steel Grades for Casting | ||||||||
C | Si | Mn | Cr | Mo | P≤ | S≤ | Ni | |
Min-Max | Max | Min-Max | Min-Max | Min-Max | Min-Max | Max | Min-Max | |
35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 | |||
40CrNiMo | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.60-0.90 | 0.15-0.25 | 1.25-1.65 | ||
4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.80-1.10 | 0.15-0.25 | 0.035 | 0.04 | |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-0.10 | 0.80-1.10 | 0.15-0.25 | 0.035 | 0.04 | |
8630 | 0.28-0.33 | 0.15-0.35 | 0.70-0.90 | 0.40-0.60 | 0.15-0.25 | 0.035 | 0.04 | 0.40-0.70 |
Nominal Composition% | Application |
Cu-10Sn-1p | Wear-resistant parts that work under high loads and high sliding speeds |
Cu-10Sn-2Zn | Complex shaped castings, valves, pump bodies, gears, turbines, etc. |
Cu-10Sn-5Pb | Structural materials, corrosion-resistant and acid-resistant accessories |
Cu-6Sn-6Zn-3Pb | Parts that work under friction conditions, such as bushes, bearings, etc. |
Cu-5Sn-5Zn-5Pb | Wear-resistant and corrosion-resistant parts that work under high load and medium sliding speed |
Cu-10Sn-10Pb | Automobiles and other heavy-duty parts |
Cu-15Pb-8Sn | Acid-resistant parts, parts for high-pressure work |
Cu-17Pb-4Sn-4Zn | Bearings with high sliding speed and general wear parts |
Cu-13Mn-8Al-3Fe | Shaft sleeves and high-strength wear-resistant and pressure-resistant parts for heavy machinery |
Cu-13Mn-8Al-3Fe-2Ni | High-strength corrosion-resistant castings and wear-resistant and pressure-resistant parts |
Cu-9.4Al-4.5Fe-4.5Ni-1.5Mn | Corrosion-resistant, high-strength castings, wear-resistant parts that work at 400°C |
Industries
We serve
Automobile Industry
Industry comprises a wide range of companies and organizations involved in the design, development, manufacturing, & modification. It is one of the world's largest industries by revenue.
Aerospace Industry
Involved in the various aspects of designing, building, aircraft, aircraft parts, missiles, rockets, or spacecraft. Aerospace is a high technology industry.
Oil And Gas Industry
Industry is arguably one of the biggest industries in the world today. With the use of highly sophisticated equipment like Valve actuator, pump and centrifuge.