CN7MS is one type 19 Chromium/24 Nickel with copper and molybdenum stainless steel grade which listed in ASTM A743 and ASTM A744 standard. Casting UNS number is J94650. WWW.CASTINGQUALITY.COM
Casting Methods in Casting Quality Industrial:
- Sand Casting
- Investment Casting (Lost Wax Casting, Precision Casting)
CN7MS Equivalent Stainless Steel Grade:WW.CASTINGQUALITY.COM
N/A
Reference Casting Standards and others
ASTM A743 Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application.
ASTM A744 Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service

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- Sand Casting
- Investment Casting
- Shell Casting
- CNC Machining
- CAD Design
- Tools/Mold Design
Stainless Steel Grade | CN7MS Chemical Composition / Physical Properties % (max, except where range is given) | |||||||||
Standard | Grade | Carbon | Manganese | Silicon | Sulfur | Phosphorus | Chromium | Nickel | Mo | Copper |
ASTM A743 | CN7MS | 0.07 | 1.00 | 2.50-3.50 | 0.040 | 0.040 | 18.0-20.0 | 22.0-25.0 | 2.5-3.0 | 1.5-2.0 |
ASTM A744 | CN7MS | 0.07 | 1.00 | 2.50-3.50 | 0.040 | 0.040 | 18.0-20.0 | 22.0-25.0 | 2.5-3.0 | 1.5-2.0 |
CN7MS Heat treatment process: WWW.CASTINGQUALITY.COM
Heat to 2100°F [1150°C] minimum, 2150°F [1180°C] maximum, hold for sufficient time (2 hours minimum) to heat casting to temperature and quench in water.
CN7MS Stainless Steel Mechanical Property WWW.CASTINGQUALITY.COM
Stainless Steel Grade | Tensile Strength min | Yield Strength, min | Elongation, min | ||||
Standard | Grade | UNS | Ksi | MPa | Ksi | MPa | % |
ASTM A743 | CN7MS | J94650 | 70 | 485 | 30 | 205 | 35 |
ASTM A744 | CN7MS | J94650 | 70 | 485 | 30 | 205 | 35 |
CN7MS Typical Casting Application
- SUBSEA CONTROL LINES
- HEAT EXCHANGERS
- WATER SYSTEMS
- OFFSHORE PLATFORMS
- FIRE-FIGHTING SYSTEMS