Dongguan Circle Four Metal Materials Co., Ltd.: Dongguan, Guangdong, China; Main products: Plastic Mould Steel, Hot Work Steel, Cold Work Tool Steel, Carbon Steel Plate, Alloy Steel Plate

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Home > Products > Plastic Mould Steel Plate / Plate bar /Round bar > alloy round bar en19 alloy steel bar DIN1.7225/4140/42crmo

alloy round bar en19 alloy steel bar DIN1.7225/4140/42crmo

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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

alloy round bar en19 steel bar DIN1.7225:
1)dia 8-650mm,length 1.6-6m
2)Tech:Hot rolled or forged
3)Surface:Black/machined

alloy round bar en19 alloy steel bar DIN1.7225/4140/42crmo 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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alloy round bar en19 alloy steel bar DIN1.7225/4140/42crmo

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