Allegheny Technologies Incorporated has announced that ATI Allvac is increasing prices effective immediately on all nickel- and cobalt- based alloy, specialty steel and titanium alloy products. Nickel- and cobalt- based alloy and specialty steel product prices are increased by 6% to 12%. Titanium alloy product prices are increased by 8% to 12%. The existing raw materials index and surcharge policies remain in effect. Allegheny stated that these increases are necessary to offset the rapid rise in, energy, health care, transportation and other costs.