AISI4140 42CrMo4 42CrMo Scm440 Alloy Steel Bar

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB
• Composition: Ferrous Steel Scrap
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Black Surface
• Tidak. Model.: alloy steel bar
• Special Use: Mold Steel, Alloy Steel
• Application: Structural Steel Bar
• material: batang baja campuran
• kelas utama: 4140 s440 42mos4 scm435 4150
• perlengkapan....: baja rol/dingin terisap/ditempa
• stok tersedia: ya
• sampel gratis: ya
• Paket Transportasi: Bundle by Wire Rod
• Spesifikasi: 5-800mm
• Merek Dagang: DaJin
• Asal: China
• Kode HS: 72283090
• Kapasitas Produksi: 50000

Deskripsi Produk

Alloy Steel Round Bar 4140/Aisi 4140 Round Bar,1.7225 Steel,4140 Round Steel Bar

1.4140 42CrMo SCM440 steel rod Chemical Composition (%):

Grade	C	Si	Mn	P	S	Cr	Mo
42CrMo4	0.38-0.45	0.17-0.37	0.40-0.70	≤0.035	≤0.035	0.90-1.20	0.15-0.25
1.7225	0.38-0.45	≤0.40	0.60-0.90	≤0.025	≤0.035	0.90-1.20	0.15-0.30
4140	0.38-0.43	0.15-0.35	0.75-1.00	≤0.035	≤0.040	0.80-1.10	0.15-0.25

2.4140 alloy steel bar avaliable sizes

Commodity delivery condition	Dimensions
Hot rolled steel round bars	10mm to 350mm
Forged steel round bars	200mm to 800mm
Forged steel square block	200mm*200mm to 500mm*500mm
Forged steel flat block	(150mm to 500mm)*(200mm to 500mm)
Hot rolled and peeled or turned steel bright bars	20mm to 800mm

4.42CrMo4 steel bar delivery condition:
Hot rolled or forged, Peeled or black surface, annealed or QT.
4.4140 SCM440 steel bar applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.1.7225 42CrMo4 steel round bar heat treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C

6.SCM400 4140 steel bar  inspection:

Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C

7.Steel bar packing situation:  

standard seaworthy packing or as customer required
8. 4140 steel bar delivery time:  
always ready stock shipped within 7days,30 days for new material
9. 42CrMo4 alloy steel bar production process:  
EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)

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