Grade 70-40[485-275] (UNS Code: J02501) is covered by ASTM A27 standard, it’s a good carbon steel for casting purpose.
ASTM A27 / A27M – 17 Standard Specification for Steel Castings, Carbon, for General Application
Grade 70-40[485-275] (J02501) Casting Chemical Requirements and Mechanical Property:
Carbon: 0.25max
Manganese: 1.20 max
Silicon: 0.80 max
Sulfur: 0.06 max
Phosphorus: 0.05 max
For each reduction of 0.01 % carbon below the maximum specified, an increase of 0.04 % manganese above the
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Tractor Shifting Forks, Lost Wax Precision Investment Casting
Tensile Strength: 70ksi(485Mpa) min
Yield Strength: 40ksi (275Mpa) min
Elongation in 2in. or 50mm: 22.0% min
Reduction of Area: 30% min
Grade 70-40 [485-275] may be used to meet the requirement of Grade 70-36 [485-250], when agreed upon between the manufacturer and the purchaser
Heat treatment process: generally all Grade 70-40[485-275] (J02501) castings should be heat-treated by full annealing, normalizing, normalizing and tempering, or quenching and tempering
Manufacture Process: Sand Casting, Precision Lost Wax Investment Casting.
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PDF VIEWOur 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.
- 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.
WHY CHOOSE US?
As a professional casting manufacture, Qingdao Casting Quality Industrial pay much attention to the quality and technology, Our products are much more casting and forging parts. We are mainly do Sand Casting, Investment Casting ( Lost Wax Casting or Precision Casting) and Die Casting .Today, its products are marketed globally through many countries.
Our Services
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
- Sand Casting
- Investment Casting
- Shell Casting
- CNC Machining
- CAD Design
- Tools/Mold Design
Many buyers from all over the world purchase products from China. But do you know the quality of products in China? Maybe you only pay the surface and price, but the inner quality is lost .
Housing Casting Design in Solidworks
What makes Casting Quality the best?
Innovation
Our engineers are more than just designers….they’re pioneers. Our team use CAD/CAM to do the simulation of casting parts .Through the advanced technology, we can know the weight and structure . We also visited so many factories to know their difference and improve our products every year.
Quality
We’re obsessed with quality. Casting Quality constantly strives to exceed our customers’ expectations in durability and performance. In fact, we will control the whole process from the original material to the finished parts , include the technology .Uniquely-designed Quality Control System focuses on ensuring four product goals: 1) Eligible Chemistry , 2) Hardness 3) Property and 4) Affordable Pricing. The result is the best casting products value in the industry.
Service
We’re in Qingdao,China, It has convenient transportation of road and sea. Courteous service is part of who we are, and we do it better than anyone in the industry. With Casting Quality you can expect friendly, knowledgeable, and prompt customer service.
Fulfillment
Shipping orders complete and on-time is of paramount importance to our customers. We will count the delivery date and result before accept your order. Casting Quality consistently ranks as one of the best in speed of delivery and fill rates.
Metal Castings
Stainless Steel Quick Coupling
Investment castings pipe fittings, Stainless steel ss304/ss316/ss316L/ss321 material. CNC machining. Stainless Steel pipe fittings casting, such as stainless steel elbow, stainless steel tee, union, socket and stainless steel coupling.
Stainless Steel Fittings-90 Elbow
Nominal pressure: 1.6MPa Be suitable object: WOG Be suitable temperature: -60–450°F (-51–232°C) Precision casting material:SS304、SS316 All fittings dimension confirm to ANSI B 16.3. Thread confirm to NPT,BSPT,DIN etc..
Stainless Steel Trolley Casting
Stainless steel Trolley is made by precision investment casting (Water glass) process, it can be very precision dimension without any machining. All castings will be inspected by special tools as buyers requirement.
Hardware Fitting Casting
Hardware fittings casting made by investment casting, the materiel can be carbon steel or stainless steel. Door Hinge and others.
Duplex Stainless Steel Casting Impeller
Duplex stainelss steel castng, ASTM A890/995 5A, ss2507 stainless steel castings pump impeller by investment casting process.