SAE 4140 - ALLOY STEEL - BRIGHT BAR
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Grade Introduction:
SAE 4140 Alloy Steel  Round Bars are cold drawn annealed steel of comparatively superior hardenability in the company of its chromium content that offers some excellent hardness infiltration, and the molybdenum imparts consistency of soaring potency and hardness. These SAE 4140 Alloy Cold Rolled Round Bars reacts well to heat-treatment and is quite simple to machine in the annealed state. 
 
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: 
 
SAE 4140 - ALLOY STEEL - BRIGHT BAR
 
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Chemical composition: 
The following table shows the chemical composition of SAE 4140 steel:
Standard
 
Grade
 
C
 
Si
 
Mn
 
 
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:
 
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Physical Properties: 
 
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Forging Properties: 
 
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Annealing: 
 
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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.
 
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