Customized OEM Steel Precision Casting Parts – Ductile Cast Iron CNC Machining Parts

Short Description:

• Short lead time for machined castings and forgings.
• Only one contact for castings, forgings and machining.
• Fast transmission between foundry and machining workshop.
• Well communication inside our systems and with our customers.

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Customized OEM Steel Precision Casting Parts – Ductile Cast Iron CNC Machining Parts Detail:

Ductile cast iron shock absorber cover for freight cars produced by resin coated sand casting and CNC precision machining processes from China casting company.

Resin Coated Sand Casting Metal and Alloys
Metal & Alloys	Popular Grade
Gray Cast Iron	GG10~GG40; GJL-100 ~ GJL-350;
Ductile (Nodular) Cast Iron	GGG40 ~ GGG80; GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2
Austempered Ductile Iron (ADI)	EN-GJS-800-8, EN-GJS-1000-5, EN-GJS-1200-2
Carbon Steel	C20, C25, C30, C45
Alloy Steel	20Mn, 45Mn, ZG20Cr, 40Cr, 20Mn5, 16CrMo4, 42CrMo, 40CrV, 20CrNiMo, GCr15, 9Mn2V
Stainless Steel	Ferritic Stainless Steel, Martensitic Stainless Steel, Austenitic Stainless Steel, Precipitation Hardening Stainless Steel, Duplex Stainless Steel
Aluminium Alloys	ASTM A356, ASTM A413, ASTM A360
Brass / Copper-based Alloys	C21000, C23000, C27000, C34500, C37710, C86500, C87600, C87400, C87800, C52100, C51100
Standard: ASTM, SAE, AISI, GOST, DIN, EN, ISO, and GB

▶ Available Machining Process
• Turning
• Milling
• Lathing
• Drilling
• Honing, Grinding.
• Washing

▶ Available Ferrous Metal Materials for CNC Machined Parts:
• Cast Iron including gray iron and ductile iron
• Carbon Steel from low carbon steel, medium carbon steel and high carbon steel.
• Alloy steel and stainless steel from standard grades to special grades on request.

▶ Available Non-Ferrous Metal Materials for CNC Machining:
• Aluminum and their alloys
• Brass and Copper
• Zinc and their alloys
• Stainless Steel, Duplex
• Heat-resistant Steel, Corrosion-resistant Steel and other metal with special mechanical properties.

CNC Precision Machining Capabilities
Facilities	Quantity	Size Range	Annual Capacity	General Accuracy
Vertical Machining Center (VMC)	48 sets	1500mm × 1000mm × 800mm	6000 tonn or 300000 pieces	±0.005
Horizontal Machining Center (VMC)	12 sets	1200mm × 800mm × 600mm	2000 tons or 100000 pieces	±0.005
CNC Machine	60 sets	Max turning dia. φ600mm	5000 tons or 600000 pieces

▶ Our In-house Machining Workshop Give Our Customers the Following Advantages:
• Short lead time for machined castings and forgings.
• Only one contact for castings, forgings and machining.
• Fast transmission between foundry and machining workshop.
• Well communication inside our systems and with our customers.

▶ General Commerial Terms
• Main workflow: Inquiry & Quotation → Confirming Details / Cost Reduction Proposals → Tooling Development → Trial Casting → Samples Approval → Trial Order → Mass Production → Continuous Order Proceeding
• Leadtime: Estimatedly 15-25 days for tooling development and estimatedly 20 days for mass production.
• Payment Terms: To be negotiated.
• Payment methods: T/T, L/C, West Union, Paypal.

CNC iron machining parts

Comparison of Different Casting Processes
Items	Sand Casting	Permanent Mold Casting	Die Casting	Investment Casting	Shell Mold Casting
Typical dimensional tolerances, inches	± .010"	± .010"	± .001"	± .010"	± .005"
Typical dimensional tolerances, inches	± .030"	± .050"	± .015"	± .020"	± .015"
Relative cost in quantity	Low	Low	Lowest	Highest	Medium high
Relative cost for small number	Lowest	High	Highest	Medium	Medium High
Permissible weight of casting	Umlimited	100 lbs.	75 lbs.	Ounces to 100 lbs.	Shell ozs. To 250 lbs. no-bake 1/2 lb. - tons
Thinnest section castable, inches	1/10"	1/8"	1/32"	1/16"	1/10"
Relative surface finish	Fair to good	Good	Best	Very Good	Shell good
Relative ease of casting complex design	Fair to good	Fair	Good	Best	Good
Relative ease of changing design in production	Best	Poor	Poorest	Fair	Fair
Range of alloys tht can be cast	unlimited	Aluminium and copper base preferable	Aluminum base prepferable	Unlimted	Unlimited