Cartridges: Materials of Construction

Cartridges - materials of construction
Sun Hydraulic's cartridge valves are available in a variety of materials and coatings to serve your needs and environmental conditions.

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For additional details on other Sun products' materials, see our "Manifolds: Materials of Construction" and "Seals: Materials of Contruction."

CBCA

Steel Cartridges

The cartridge body is constructed of steel, grade 12L14 (AISI-SAE), with either zinc or nickel plating

Internal cartridge components are constructed of one or more of the following steels:

  • Carbon steel leaded alloy (UNS G12144, AISI-SAE 12L14)
  • Carbon steel leaded alloy (UNS G11174, AISI-SAE 11L17)
  • Carbon steel leaded alloy (UNS G86204, AISI-SAE 86L20)

CBCA

Corrosion-Resistant Stainless Steel Cartridges
(****-***/AP)

The cartridge body is constructed of lean duplex stainless steel (UNS S32101, ASTM A240, A276, A479, A789, A790)

Adjustment screws are constructed of one or more of the following:

  • Titanium (UNS R56400, ASTM Grade 5 Ti-6AI-4V)
  • Silicon brass (UNS C69300, ASTM B371, B124, B283)

Jam Nuts, Stop Rings, and Assorted Controls constructed of:

  • Stainless steel (UNS S31600, SIDI 316)

Internal cartridge components constructed of one or more of the following:

  • Carbon steel leaded alloy (UNS G12144, AISI-SAE 12L14)
  • Carbon steel leaded alloy (UNS G11174, AISI-SAE 11L17)
  • Carbon steel leaded alloy (UNS G86204, AISI-SAE 86L20)

CBCA

Corrosion-Resistant Zinc-Nickel Plated Cartridges
(****-***/LH)

Cartridge body, adjustment screws, jam nuts, and stop rings include the following:

  • High-performance corrosion protection plating per SAE AMS 2417, except composition contains 10% to 20% Ni, with clear trivalent chromate treatment.
  • Salt fog protection of 1000 hours minimum to red rust over all external surfaces exposed to atmosphere (Salt fog test per ASTM B117 or ISO 9227 5% saline).
  • Light metal gray plating color (may have yellow to purple hue, and may vary from cartridge to cartridge).

Internal cartridge components are constructed of one or more of the following steels:

  • Carbon Steel Leaded Alloy (UNS G12144, AISI-SAE 12L14)
  • Carbon Steel Leaded Alloy (UNS G11174, AISI-SAE 11L17)
  • Carbon Steel Leaded Alloy (UNS G86204, AISI-SAE 86L20)

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