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Contact: songshun steel
Company: Dongguan Songshun Mould Steel Co., Ltd.
1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town
Dongguan 523846
China
Phone: 076985475596
Fax: http://www.songshunsteel.com/
E-Mail: Send Inquiry Member for over 1 year
Date/Time:  7/12/22 9:36 GMT
 

4340 round bar suppliers ASTM AISI 4340 round bar suppliers manufacturers

1.6523 Steel Grade Equivalent Chart
Country USA Germany/UK/France JAPAN ISO
Standard ASTM A29 / A29M-05 EN 10263/4-2001 JIS G4053-2008 ISO
683/18-1996
Grades 4340 41NiCrMo7-3-2, 1.6511 SNCM439 36CrNiMo4


4340 Steel Chemical Composition
Stand C (%) Mn (%) P (%) S (%) Si (%) Cr (%) Mo (%) Ni (%)
ASTM A29 / A29M-05 0.38-0.43 0.60-0.80 ≤0.035 ≤0.040 0.15-
0.35 0.70-0.90 0.20-0.30 1.65-2.00
EN 10263/4-2001 0.38-0.44 0.60-0.90 ≤0.025 ≤0.025 ≤0.30 0.70-
0.90 0.15-0.30 1.65-2.00
JIS G4053-2008 0.36-0.43 0.60-0.90 ≤0.030 ≤0.030 0.15-0.35
0.60-1.00 0.15-0.30 1.60-2.00
ISO 683/18-1996 0.32-0.40 0.50-0.80 ≤0.035 ≤0.035 0.10-0.40
0.90-1.20 0.15-0.30 0.90-1.20


1.6511 Steel Physical Properties
Properties Metric Imperial
Density 7.85 g/cm³ 0.284 lb/in³
Melting Point 1427°C 2600°F


4340 Steel Mechanical Properties
Properties Metric Imperial
Tensile strength >980 MPa 142140 psi
Yield strength >835 MPa 121110 psi
Elongation at break >12% >12%
Reduction of area >55% >55%
Hardness ≤269HB ≤269HB

chemical composition:
C:0.37-0.44 Si:0.17-0.37 S:≤0.035 P:≤0.035
Mn: 0.50-0.80 Cr: 0.60-0.90 Mo: 0.15-0.25 Ni: 1.25-1.65

Heat treatment specification:
Quenching at 850℃, oil cooling; tempering at 600℃, water cooling, oil cooling
Brinell hardness GBW of annealed or high-temperature tempered steel is less
than or equal to 269;

Songshun specialized in Special Steel for almost 20 years. We can supply mold
steel, high speed steel, alloy steel, free cutting steel and etc.Welcome your
contact 24 hours a day!!!
E-mail:jacklu@songshunsteel.com
Skype , /Whatsapp/Wechat:+86-18269260283
Songshun Tiktok:mikizhuo
Songshun Facebook:Songshun Steel
Songshun YouTube:MiKi Zhuo
Songshun Company Website:https://steelpurchase.com/
http://www.songshunsteel.com/
songshunsteel , 41404340

Minimum Order: 2 tons

4340 round bar suppliers  ASTM AISI 4340 round bar suppliers manufacturers
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