Our offer of chromed bars:

CHROMED BARS

Chromed Bars

Products
BAC Hard chrome plated steel bars / steel grade Ck45 / Dia 6-125
BATC Induction hardened and chrome plated steel bars / steel grade Ck55 / Dia 6-100
BOC Hard chrome plated steel bars / steel grade 42CrMo4V / Dia 12 - 100
BOTC Induction hardened and chrome plated steel linear shafts / steel grade 42CrMo4V/ Dia 12 - 100
BATCM Induction hardened and chrome plated steel linear shafts / steel grade 20MnV6 / Dia 6-100
BACM Hard chrome plated steel bars / steel grade 20MnV6 / Dia 6 - 50
ACSX Ground stainless steel bars / steel grade X20Cr13, X46Cr13 / Dia 6-50
BACX Hard chrome plated stainless steel bars / steel grade X20CrNi17.2 / Dia 6 - 50
Grade correspondents
DIN Werkstoff STAS AFNOR B.S. UNI JIS GOST AISI
Ck55 1.1191 OLC45X 2C45 080M46 C45 S45C 45 1045
42CrMo4V 1.7225 42CrMo11 42CD4 708A42 42CrMo4 SCM440(H) - 4140
20MnV6 1.5217 - - - - - - -
X20Cr13 1.4021 20Cr130 X20Cr13 420S37 X20Cr13 SUS420F 20H13 420
Chemical composition
MATERIAL C Si max Mn P max S max Cr Mo Ni V
Ck45 0.42 0.50 0.40 0.50 0.80 0.035 0.030 max 0.40 max 0.1 max 0.4 -
42CrMo4V 0.38 0.45 0.40 0.60 0.90 0.035 0.035 0.90 1.20 0.15 0.30 - -
20MnV6 0.16 0.22 0.50 1.30 1.70 0.035 0.035 - - - 0.10 0.20
X20Cr13 0.16 0.26 1.00 max 1.50 0.040 0.030 12.0 14.0 - - -
  BAC BATC BOC BOTC BACM
    Ck45 Ck45 42CrMo4V 42CrMo4V 20MnV6
Tolerance Toleranta ISO f7/h7 ISO f7/h7 ISO f7/h7 ISO f7/h7 ISO f7/h7
Roundness   (IT7)/2 (IT7)/2 (IT7)/2 (IT7)/2 (IT7)/2
Standard length (mm) Lungime standard (mm) 6100 (+/-100) 6100 (+/-100) 6100 (+/-100) 6100 (+/-100) 6100 (+/-100)
Surface roughness (um Ra) Rugozitate (um Ra) max:0.15 max:0.15 max:0.15 max:0.15 max:0.15
Hard chrome plated thickness (um) Adancime strat crom (um) min:20 min:20 min:20 min:20 min:20
Double chromium by request   2x25 2x25 2x25 2x25 2x25
Chrome layer hardness Duritate strat crom min 900HV0.1 min 900HV0.1 min 900HV0.1 min 900HV0.1 min 900HV0.1
Hardening depth (mm)     0.4-4   0.4-4  
Surface hardness Duritate suprafata HRC   57+/-3 HRC or (*)   56+/-3 HRC or (*)  
(*) By request custom machining:piston rods, precision shafts, shock absorbers shafts, plungers, cylinder tubes.