Graphite India

Alloy Tool Steel

ALLOY TOOL STEELS
Chemical  Composition(%)
Grade C Si Mn P S Cr Mo V W
D2 1.40 0.10 0.15 0.030 0.030 11.00 0.60 0.25  
1.2379 1.60 0.60 0.60 Mx. Max, 12.00 1.20 1.10  
D3 1.90 0.10 0.15 0.030 0.030 11.00      
1.2080 2.35 0.60 0.60 Max Max. 12.00      
D4 2.05 0.10 0.10 0.030 0.030 11.00 0.70 0.15  
  2.40 0.60 0.60 Max. Max 13.00 1.20 1.20  
D6 2.00 0.10 0.15 0.030 0.030 11.00     0.60
  2.25 0.60 0.60 Max. Max. 12.00     0.80
D2M 1.55 0.25 0.20 0.035 0.030 11.00 0.50 0.10 0.40
1.2601 1.75 0.40 0.40 Max. Max. 12.00 0.70 0.50 0.60
D2V 1.50 0.20 0.15 0.030 0.030 11.00 0.70 0.45  
  1.60 0.60 0.45 Max. Max. 12.00 0.90 0.55  
SKD11 1.40 0.20 0.15 0.030 0.030 11.00 0.80 0.20  
  1.60 0.60 0.45 Max. Max. 12.00 1.20 0.50  
D3M 1.55 0.20 0.20 0.035 0.35 11.00   0.07  
  1.75 0.40 0.40 Max. Max. 12.00   0.12  
S2M 0.47 0.90 0.30 0.04 0.04 0.25 0.40    
  0.55 1.10 0.50 Max. Max. Max. 0.55    
S5 0.50 0.60 1.75 0.030 0.030 0.35 0.20 0.35  
  0.65 1.10 2.25 Max. Max. Max. 1.35 Max.  
S7 0.45 0.20 0.20 0.030 0.030 3.00 1.30 0.35  
  0.55 1.00 0.90 Max. Max. 3.50 1.80 Max.  
Manufacturing Range (applicable for all grades)
Rounds Squares Flats
Size/mm Condition Size Condition Thickness(T) Width(W) Condition
10.00 -60.00 HRA 21 & 22 HRA 32 – 130 60 -180 FA
60.00 – 180.00 FA 60 - 120 FA      

Length

80 dia

Upto 80 dia 2 - 4 Mtrs. with 10%
shorts down to 1 Mtr

81 - 120 dia

81 - 120 dia, 1.5 – 4 Mtrs with 10%
shorts down to 1 Mtr

121-180 dia

121 -180 dia. 1.5 -3 Mtrs with 10%
shorts down to 1 Mtr

Specific customer requirements for different grades and chemical composition can be supplied on request.

Inspection

Design & engineering related to pipeline including surge analysis etc

Metallurgical Microscope, spectrometer, hardness tester

Ultrasonic equipment for non–destructive testing

Supervision for installation if some other agency is laying the pipeline

Precision measuring instruments for checking dimensions

Magnetic Particle Inspection Equipment

ISO 9001: 2008 certification by TUV. NORD GERMANY