K&S Materials are:

  • Completely RoHS Compliant

  • Completely R.E.A.C.H. Compliant

  • Hazardous Minerals Compliant

  • Considered Lead Free for Industry

  • Proposition 65 Compliant

  • Made in U.S.A.

Material Specifications and Alloys

  • BRASS
  • ALUMINUM
  • COPPER
  • TIN COATED
  • STAINLESS STEEL
  • PHOSPHORUS BRONZE
  • MUSIC WIRE
  • FOILS

Round Brass Tube: Alloy 260/272, 1/2 - 3/4 Hard, Seamless, Mill Finish (ASTM B135)


Round Brass Rod: Alloy 260, 1/4 Hard, Mill Finish (ASTM B134)


Brass Sheet & Strip: Alloy 260, 1/2 Hard, Mill Finish (ASTM B36)

​Round Aluminum Tube: (0.014" and 0.016" walls) - Alloy 3003 - H14

Round Aluminum Tube: (0.035" and 0.049" walls) - Alloy 6061 - T6


​Round Aluminum Rod: (1/32" - 3/32") - Alloy 1100-O

Round Aluminum Rod: (1/8" - 1/2") - Alloy 6061-T6


Aluminum Sheet: (0.016", 0.032", 0.064" thick) - Alloy 3003 H14

Aluminum Sheet: (0.064", 0.090", 0.125" thick 6" x 12") -  Alloy 6061 T-6

​Round Copper Tubing: Alloy 122, AD, Seamless, Mill Finish (ASTM B251)


​Copper Sheet: Alloy 110, 1/2 Hard (ASTM B152)


Copper Strip: Alloy 110, 1/2 Hard (ASTM B152)


​Round Copper Rod: Alloy 110, AD, Mill Finish (ASTM B249)

​Tin Sheet: (0.008" thick) - Electrolytic tin plate coated carbon steel (ASTM B545)


​Tin Sheet: (0.013" thick) - Dull matte tin plate coated carbon steel (ASTM B545)

​Round Stainless Steel Tube: (22 Gauge Wall) - Alloy 304/304L, Welded per ASTM A269 *NOT TELESCOPIC* Wall Range of .023" - .032"


​Round Stainless Steel Rod: (1/16", 3/32", 1/8") - Alloy 302 

Round Stainless Steel Rod: (3/16" and up) - Alloy 303 


​Stainless Steel Strip & Sheet - Alloy 430, 2BA finish clear PVC 1 side

Phosphorus Bronze Sheet: Alloy 510, spring tempered

Music Wire - Spring tempered, phosphate coated, carbon steel wire (ASTM A228)

Brass Foil: Alloy 260, Soft


Copper Foil: Alloy 110, Soft


Stainless Steel Foil: Alloy 304, Soft


Aluminum: Alloy 1100-O, Soft


Anodized Aluminum Color Foils: Alloy 1235-0, Soft (ASTM B479) - PTFE & PFOA Free, Animal Byproducts Free