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SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar pictures & photos

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

Type:	Alloy Steel Bar
Standard:	AISI, ASTM, GB, JIS, DIN, BS
Technique:	Forged
Application:	Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Alloy:	Alloy
Delivery Condition:	Forged / Forged+Rough Turned

Customization:	Available \| Customized Request

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Laiwu Xincheng Metal Co., Ltd.

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Product Description

Company Info.

Basic Info.

Model NO.

ASTM4130

Heat Treatment

Annealed, Normalized, Qt

MOQ

One Piece

Grades

SAE 4140 En19 42CrMo4

Transport Package

Standard Sea Worthy

Specification

200-1000mm

Origin

China

Production Capacity

3000tons/Month

Product Description

SAE 4140 EN19 42CRMO4 DIN 1.7225 FORGED Round Steel Bar

1.42crmo forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm

2.Supply condition for 4140 Forged steel bars:Black /Rough Machined /Rough turned

3.Futhur heat treatment for 4140 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4.4140 Forged Steel round bar tolerance:
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)

5.42crmo Steel Equivalent

Standard	AISI / SAE 4140
UNS	-
WERKSTOFF NR.	41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4
BS 970	708M40, 708A42, 709M40, En19, En19C
UNI	41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4
JIS	SCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4
EN name	42CrMo4
EN #	1.7223, 1.7225, 1.7227, 1.3563

6.4140 Forged steel chemical composition

Standard	Grade	C	Si	Mn	P	S	Cr	Mo
ASTM A29	4140	0.38-0.43	0.15-0.35	0.75-1.00	≤ 0.035	≤ 0.04	0.8-1.1	0.15-0.25
	42CrMo4	0.38-0.45	≤ 0.4	0.6-0.90	≤ 0.025	≤ 0.035	0.9-1.2	0.15-0.30
EN10083	1.7225	0.38-0.45	≤ 0.4	0.6-0.90	≤ 0.025	≤ 0.035	0.9-1.2	0.15-0.30
JIS G4105	SCM440	0.38-0.43	0.15-0.35	0.6-0.85	≤ 0.035	≤ 0.04	0.9-1.2	0.15-0.30
GB 3077	42CrMo	0.38-0.45	0.17-0.37	0.5-0.80	≤ 0.035	≤ 0.035	0.9-1.2	0.15-0.25
BS 970	EN19	0.35-0.45	0.15-0.35	0.5-0.80	≤ 0.035	≤ 0.035	0.9-1.5	0.2-0.40

7.4140Steel Application
4140 steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc.
Typical applications for 4140 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc

8.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d

9.Heat treatment of 4140 Steel
Quenched and Tempered (+QT) of EN19 Steel
1. Heat 42crmo steel slowly to 840-875°C;
2. Soak at this temperature then quench in oil;
3. Temper as soon as 42crmo reach room temperature (20°C);
4. Heat uniformly to the suitable temperature of 560°C;
5. Withdraw the material from the furnace and cool in the air.
Annealing of 42crmo Alloy Steel
1. Heat the 42crmoslowly to 800-850°C and allow enough time.
2. Cool slowly in the furnace to 480°C followed by air cooling

10.MOQ: one piece per size/grade
11.Payment term: FOB CIF CFR EXW and so on
12.Delivery time : 7 to 30 days after deposit received.
SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

SAE 4140 En19 42CrMo4 DIN 1.7225 Forged Round Steel Bar

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