... Good thermal conductivity; Good resistance to heat cracking H13/1.2344/SKD61/X40CrMoV5-1/4Cr5MoSiV1 X40CrMoV5/BH131.2344 CSiMnPSCrMoNi0,37 - 0,430 ... 0,030max. 0,0304,80 - 5,501,20 - 1,50 VWTiCuAlNbBN0,90 - 1,10 Range of application and heat treatment : Tool steel for ... shapesTubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.Finished goods condition: hot forging + annealing/normalizing + ...