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Home > Products > Plastic Mould Steel Plate / Plate bar /Round bar > DIN1.7225/42CrMo4/4140 alloy round bar

DIN1.7225/42CrMo4/4140 alloy round bar

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Negotiable / Ton

20 Tons(Min. Order)

Port ShenZhen
Payment TermsT/T

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Product Details

Steel Grade	alloy steel 4140/DIN1.7225	Standard	AISI, DIN, GB
Dimensions	diameter 20~300mm	Place of Origin	Liaoning, China
Brand Name	Circle Four	Model Number	4140 Round Steel Bar/4140 Steel/4140 Steel Bar
Technique	Hot Rolled	Application	Tool Steel Bar
Alloy Or Not	Is Alloy	Special Use	Mold Steel
Type	Alloy Steel Bar

Product Description

Specifications

DIN1.7225/42CrMo4/4140 alloy round bar:
1)dia 8-650mm,length 1.6-6m
2)Tech:Hot rolled or forged
3)Surface:Black/machine

DIN1.7225/42CrMo4/4140 alloy round bar detailed products description:

1.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.Available sizes:

Round: Dia. 10 – 1200mm

Flat: Thickness 10 – 120mm, width 305 – 2200mm

Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.

3.Properties:

One of the chromium, molybdenum, manganese low alloy steels noted for toughness, good torsional strength and good fatigue strength

4.Applications:

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

5.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

Mechanical Properties in Quenched and Tempered Condition
Diameter (mm)	0.2% proof stress (N/mm²)	Tensile strength (N/mm²)	Elongation (%)	Reduction of area (%)	Notch impact energy (ISO-V) (J)
Up to 16	900	1100-1300	10	40	35
17–40	750	1000-1200	11	45	40
41–100	650	900-1100	12	50	40
101–160	550	800-950	13	50	40
161-250	500	750-900	14	55	40

7. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C

8. Packing situation: standard seaworthy packing or as customer required

9. Delivery time: 10 days after order confirmed

10. Payment: T/T,D/P or L/C at sight.

11. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional)

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Dongguan Circle Four Metal Materials Co., Ltd.: Contact nameJOEY ZHANG
Chat Now; Phone086-0769-85313622; Addresschangan , Dongguan, Guangdong

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DIN1.7225/42CrMo4/4140 alloy round bar

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