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Grade Introduction:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B,
EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1,
OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM
SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 8620, 16MNCR5, 20MNCR5,
C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75,
SAE 52100, S40C, S355J2G3.
Grade Application:
Equivalent grades:
USA |
Din |
BS |
BS |
Japan |
ASTM A29 |
DIN 1654 |
EN 10084 |
BS 970 |
JIS G4103 |
4140 |
1.6523/21NiCrMo2 |
1.6523/21NiCrMo2-2 |
805M20 |
SNCM220 |
Addition to other grades:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B,
EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1,
OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM
SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 8620, 16MNCR5, 20MNCR5,
C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75,
SAE 52100, S40C, S355J2G3.
Our Supply Range:
Price List:
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Chemical composition:
The following table shows the chemical composition of SAE 4140 steel:
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
ASTM A29 |
4140 |
0.38-0.43 |
0.15-0.35 |
0.75-1.00 |
0.035 |
0.040 |
0.8-1.10 |
0.15-0.25 |
EN 10250 |
42CrMo4 / 1.7224 |
0.38-0.45 |
0.4 |
0.6-0.9 |
0.035 |
0.035 |
0.9-1.2 |
0.15-0.30 |
JIS G4105 |
SCM 440 |
0.38-0.43 |
0.15-0.35 |
0.60-0.85 |
0.03 |
0.03 |
0.9-1.2 |
0.15-0.30 |
Mechanical Properties:
Hardness:
Heat Treatment:
Hardening:
Tempering:
Physical Properties
Thermal Properties
Forging Properties:
Stress Relieving:
Normalizing:
Annealing:
Density:
Machinability:
Welding:
Supply Cities:
Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai,
Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi,
Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka,
Puducherry, Kerala, Tamil Nadu, Telangana, Salem, Thanjavur, Trichy,
Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil,
Kanchipuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam,
Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai,
Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur,
Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad,
Mahabubnagar, Karimnagar.