4140 1.7225 Scm440 42CrMo4 4130 4340 Sugar Company Forged Alloy Steel

China 4140 1.7225 Scm440 42CrMo4 4130 4340 Sugar Company Forged Alloy Steel, Find details about China Forged Steel Bar, AISI4140 Alloy Steel Bar from 4140 1.7225 Scm440 42CrMo4 4130 4340 Sugar Company Forged Alloy Steel

Basic Info.

Model NO.

Round Steel Bar

Special Use

Cold Heading Steel, Mold Steel

Application

Structural Steel Bar

Main Material

Forged Alloy Steel or Carbon Steel Grade

Main Grade

SAE4140 4150 4340 8620 1045 A105

Heat Treatment

Qt/Normalized/Annealing

Tolerance

-0/+0.5mm

Trademark

Shandong

Transport Package

Seaworthy Packaging

Specification

200mm-1000mm

Origin

China

Model NO.

Round Steel Bar

Special Use

Cold Heading Steel, Mold Steel

Application

Structural Steel Bar

Main Material

Forged Alloy Steel or Carbon Steel Grade

Main Grade

SAE4140 4150 4340 8620 1045 A105

Heat Treatment

Qt/Normalized/Annealing

Tolerance

-0/+0.5mm

Trademark

Shandong

Transport Package

Seaworthy Packaging

Specification

200mm-1000mm

Origin

China

Product Desciption

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	200mm200mm to 500mm500mm
Forged steel flat block	(150mm to 500mm)*(200mm to 500mm)
Hot rolled and peeled or turned steel bright bars	20mm to 800mm

3.Production process

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)

10.Our service

With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.
4140 1.7225 Scm440 42CrMo4 4130 4340 Sugar Company Forged Alloy Steel