Otai Special steel What is 4140 steel

Otai Special steel company. We supply cold work steel, hot work steel, plastic mould steel, high speed steel, alloy steel
steel plate, round bar, hex bar, square plate

Customer target group:
Tool, mold
Plastics industry
metalworking and processing industry.
punching tools,
plastic factories,
mechanical engineering,
rubber industry,
standard parts,
eroding companies,
metal spinning shops,
stamping dies

Otai Special Steel :
Cold work steel
D2 / 1.2379 / SKD11/ DC53;
A2 / 1.2363 /SKD12;
O1 / 1.2510 /SKS3;
O2 /1.2842

Hot work steel:
H13 /1.2344 / SKD61

Plastic Mould steel
P20 / 1.2311 /3Cr2Mo
1.2083 /420/S136
1.2738

High Speed Steel:
M2/ 1.3343 / SKH 9 / SKH51;
M3 /1.3344 / SKH52;
M35 /1.3243
M42/1.3247 / SKH59

Alloy Steel:
4140 /1.7225 / 42CrMo4 / SCM440
4340 / 1.6511 / 36CrNiMo4 /SCM439
8620/ 1.6523 /21CrNiMo2

E-mail : cathy@otaisteel.com
WHATSAPP/PHONE: +86 15322936642
Skype:cathy@otaisteel.com

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