Apvalus strypai
nuo Ø10mm iki Ø603mm
Lakštinis plienas
storis ≥300mm, plotis ≥1000
Description:
hot work tool steel, with good ductility, good thermal conductivity, crack resistant in high temperatures, resistant to cooling down with water, high hardenability and resistance to tempering during work, good polishability
Application:
moulds for pressure die casting, die inserts, shears and hot cutting guillotine shears, components of presses and dies for light metal stamping, plastic mould inserts
Chemical composition [%]
C | Mn | Si | P | S | Cr | Ni | Mo | W | V | Co | Cu |
0,32-0,42 | 0,2-0,5 | 0,8-1,2 | max 0,03 | max 0,03 | 4,5-5,5 | max 0,35 | 1,2-1,5 | max 0,3 | 0,3-0,5 | max 0,3 | max 0,3 |
Equivalents
PN | W. nr | EN | AISI | Russia (GOST) | Other |
WCL | 1.2343 | X37CrMoV51 | H11 | 4Ch5MFS | W300 |
Processes
welding | NO | |
forging | YES | |
rolling | YES | |
nitriding | YES | |
hardening | YES | temp. 980 – 1030 [°C] oil / air |
tempering | YES | temp. 450 – 550 [°C] |
Hardness
after toughening | 56 HRC |
after softening | 230 HB |