Sunil Trading Company

With 42 years of experience in the field, Sunil Trading Company has determined to be a market leader in supplying Steel Products. As a reputed Supplier of Steel Products in Delhi (India), we offer Industrial Steel, Metal Coils, Spring Steel Strips and Fasteners.

Alloy Steel





As a well-reputed Supplier of Alloy Steel, we make sure to procure only that steel which is made in conformity it high industrial standards. The use of Alloy Steel is mainly in the Automobile industry and for making high-tech machinery parts. Alloy Steel that we provide is used for constructing aircrafts and heavy vehicles mainly various kinds of shafts. Not only this, our Alloy Steel is also used in moulding processes.


Specialties Of Our Alloy Steel
  • Sturdier built
  • Corrosion Resistant
  • Quality-approved
  • High wear and tear resistance

Specifications

Grade Material Chemistry Heat Treatment Details
AISI/ASTM EN DIN JIS C SI Mn P S Cr Ni Mo Al V Anealing (Slow Cooling) Quenchent (Hot Bath) Quenching Tempering (Air Cooling) Annealed (HB) - Max Quenched (Hrc) Tempered Hardening Temperature Tempering Temperature Brinell Rockwell Hardness
4340 EN24 - - 0.4 0.25 - 0.03 0.04 1.2 1.5 0.37 - - 650-700 Oil 830-850 670-530 220 48 - - -
1045 EN43B Ck45 - 0.45 0.25 0.8 0.03 0.03 - - - - - 660-700 Oil/Water 830-860 670-530 190 38 - - -
- EN 8 - - 0.35-0.45 0.05-0.30 0.60-1.00 0.06 Max 0.06 Max - - - - - - - - - - - 750-900 150-200 -
- EN 9 - - 0.50-0.60 0.05-0.30 0.5-0.80 - - - - - - - - - - - - - - - -
- EN 19 - - 0.35-0.45 0.10-0.30 0.50-0.80 - - 0.90-1.40 - 0.20-0.40 - - - - - - - - 900-950 200-225 45-55
- EN 24 - - 0.35-0.45 0.10-0.35 0.4-0.70 - - 0.90-1.40 1.03-1.08 0.20-0.35 - - - - - - - - 830-860 540-680 44-55
- EN R-100 - - 0.90-1.20 0.10-0.35 0.30-0.75 - - 1.00-1.60 - - - - -- - - - - 820-860 180-225 59-65
- EN 200 - - 0.12-0.18 0.10-0.35 0.30-0.60 - - 0.60-1.10 3.0-3.75 - - - - - - - - - 780-860 170-210 61-63
- EN 41 B - - 0.35-0.45 0.10 - 0.45 0.65 Max - - 1.40 - 1.80 0.40 Max 0.10 - 0.25 0.90 - 1.30 - - - - - - - - - -
- EN 353 - - 0.10-0.20 0.35 0.50-1.00 - - 0.75-1.2 1.00-1.50 0.80-0.15 - - - - - - - - 840-870 150-200 62-64
- EN 31 - - 0.90-1.200.10-0.350.30-0.75 - -1.00-1.60- - - - - - - - - - 820-860 180-225 59-65
- 16Mn5Cr4 - - 0.14 - 0.190.15 - 0.351.00 - 1.30 0.035 Max0.035 Max1.80 - 1.10- - - - - - - - - - - - -
-20 Mn5Cr 5 - -0.17 - 0.220.15 - 0.351.00 - 1.40 0.035 Max0.035 Max1.00 - 1.30- - - - - - - - - - - - -
-EN 36 - -0.12-0.180.10-0.350.30-0.60 --0.60-1.103.0-3.75 - - - - - - - - - 780-860 170-210 61-63
-SAE 8620 - -0.18-0.230.15-0.300.70-0.90 0.03 Max0.04 Max0.40 - 0.060.40 - 0.70 0.15 - 0.25 - - - - - - - - 750-900 150-200 -