Grade WCC is covered by ASTM A216 standard, which specification covers carbon steel castings for valves, fittings, flanges and other pressure-containing parts for high temperature service and the quality required for assembly with other castings or wrought steel parts by fusion welding.
ASTM A216 / A216M – 18 Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service
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ASTM A216 Grade WCC Casting Chemical Composition Requirements and Mechanical Property:
Carbon: 0.25max
Manganese: 1.20 max
Silicon: 0.60 max
Sulfur: 0.045 max
Phosphorus: 0.040 max
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Copper: 0.30 max
Nickel: 0.50 max
Chromium: 0.50 max
Molybdenum: 0.20 max
Vanadium: 0.03 max
All total of those specified residual elements (Cu, Ni, Cr, Mo, V) 1.00 max
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Tensile Strength: 70-95ksi(485-655Mpa)
Yield Strength: 40ksi (275Mpa) min
Elongation in 2in. or 50mm: min 22.0%
Reduction of area: 35% min
Hardness: 137HB min.
Carbon Equivalent: 0.55 max
CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
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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.
WCC Casting Heat treatment process: generally all castings need to be anneal or normalization.
Anneal at 890-910°C
Normalization at 870-890 °C
Manufacture Process: sand casting, precision lost wax investment casting.
WCC Casting Application:
Valve body
Valve bonnet
Valve disc
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WELDABILITY www.castingquality.com
WCC may be welded
Preheat Not required.
ASTM A216 Equivalent Carbon Steel Grade:
WCC is also indicated In China standard of GB/T 12229 General Purpose Industrial Valve Specification of Carbon Steel Casting. The chemistry and mechanical property are same as A216 WCC. It is same as Chinese casting material of ZG250-485; no UNS code is defined in ASTM A216 standard.
ASTM A27 Grade 70-40[485-275] (UNS Code: J02501)
GB/T 12229 Grade ZG275-485/WCC
GB/T 11352 Grade ZG270-500
DIN 1681 Grade GS52
EN10213 Grade GP280GH, EN Number. 1.0625
JIS 5101 Grade SC480
ISO 3755 Grade 270-480W
What means of WCC: www.castingquality.com
WCC stands for “Wrought Carbon” with Grade C. Sometimes you can think first letter “C” as casting.
There are 3 kind of Grade A, B & C which define the ductility & tensile strength.
Grade WCC is having very good yield strength as compare to Grade WCA and Grade WCB.
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Manufacture Process in Casting Quality: Sand Casting, Precision Lost Wax Investment Casting.
