42CrMo4 Sheet Plate for Mould on FaceMask Machine . OTAI Special steel provide any size of 42CrMo4 raw material use for mold on Mask Machine . As the coronavirus infection all over the world , and we need facemask to protect ourselves . And we need more Mask machine to produce more facemask . China as the One of the global manufacturing powers . We have an obligation to help fight the epidemic globally .

42CrMo Sheet Plate for Mould on FaceMask Machine

42CrMo4 Sheet Plate for Mould on FaceMask Machine .

42CrMo4 Alloy steel material stockholders and suppliers from China-OTAI SPECIAL STEEL . We have more 16 years experience in 42CrMo4 steel plate, round bar, flat bar, square bar supply . 42CrMo4 alloy steel is chromium, molybdenum, manganese containing low alloy steel . It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. The following datasheet gives an overview of 42CrMo4 alloy steel.

42CrMo4 alloy steel material is a high quality Quenched and Tempered Alloy Structural steel . It belongs to the high quality medium carbon alloy steel, Oil Quenched & Tempered Hardenss is 28-34 HRC. 42CrMo4 Annealing delivery hardenss less than 250HB . 42CrMo4 raw materials is Perfect for mold making . 42CrMo4 Sheet Plate for Mould on FaceMask Machine for  Mask Production .

42CrMo4 sheet plate equivalent material

  • ♦JAPAN♦ : JIS SCM440 alloy steel
  • ♦GERMANY♦ : DIN WN-r 1.7255 / 42CrMo4 steel alloy
  • ♦USA♦ :  AISI4140
  • ♦BRITISH♦ : BS 708M40

3. 42CrMo4 alloy steel Chemical composition

ASTM A29/29M C Si Mn Cr Mo P S
4140 0.38～0.43 0.15～0.35 0.75～1.00 0.80～1.10 0.15～0.25 ≤0.035 ≤0.040
DIN WN-r C Si Mn Cr Mo P S
1.7225 0.38～0.45  ≤0.40 0.60～0.90 0.90～1.20 0.15～0.30 ≤0.035 ≤0.035
GB/T C Si Mn Cr Mo P S
42CrMo 0.38～0.45 0.17～0.37 0.50～0.80 0.90～1.20 0.15～0.25 ≤0.030 ≤0.030
BS C Si Mn Cr Mo P S
708M40 0.36～0.44 0.10～0.35 0.70～1.00 0.90～1.20 0.15～0.25 ≤0.035 ≤0.035
JIS C Si Mn Cr Mo P S
SCM440 0.38～0.43 0.15～0.35 0.60～0.85 0.90～1.20 0.15～0.30 ≤0.030 ≤0.030
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