AISI 4140 42CrMo4 1.7225 Scm440 Hot Forged Steel Bars / Forged High Strength 4140 Alloy Steel

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Forged
• Application: Structural Steel Bar, Die Steel Bar
• Surface Treatment: Black or Rough Machined
• Alloy: Alloy
• Model NO.: AISI 4140 42CrMo4 1.7225 Scm440
• Special Use: Mold Steel, Cold Heading Steel
• Ut Test: Sep1921- Class C/C, D/D
• PRO: Forged Steel Bars
• Grades: 1020, 1045, 4130, 4140, 4150, 8620, 4340
• MOQ: 1PC
• Transport Package: Standard Seaworthy
• Specification: 200-1000mm
• Trademark: Laiwu Xincheng
• Origin: China
• HS Code: 72284000
• Production Capacity: 3000tons/Month

Product Description

AISI 4140 42CrMo4 1.7225 Scm440 Hot Forged Steel Bars / forged high strength 4140 alloy steel
AISI / SAE 4140 Forged Steel Round Bars 
Forged Steel Square Bars
Forged Ring / Other Forged Parts 

 

1)Standard 

Standard	AISI / SAE 4140
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

2).4140 steel Chemical composition

ASTM A29/29M	C	Si	Mn	Cr	Mo	P	S
4140	0.38~0.43	0.15~0.35	0.75~1.00	0.80~1.10	0.15~0.25	≤0.035	≤0.040
DIN WN-r	C	Si	Mn	Cr	Mo	P	S
1.7225	0.38~0.45	≤0.40	0.60~0.90	0.90~1.20	0.15~0.30	≤0.035	≤0.035
GB/T	C	Si	Mn	Cr	Mo	P	S
42CrMo	0.38~0.45	0.17~0.37	0.50~0.80	0.90~1.20	0.15~0.25	≤0.030	≤0.030
BS	C	Si	Mn	Cr	Mo	P	S
708M40	0.36~0.44	0.10~0.35	0.70~1.00	0.90~1.20	0.15~0.25	≤0.035	≤0.035
JIS	C	Si	Mn	Cr	Mo	P	S
SCM440	0.38~0.43	0.15~0.35	0.60~0.85	0.90~1.20	0.15~0.30	≤0.030	≤0.030

3)Size:Φ85mm~1200mm Rectangular steel 150×150-800×800
Length: 3000mm ~12000mm
4)Inspecting: UTS according toSEP1921 C/c, D/d, E/e, A388 or GB/T 6402

5).Delivery Condition:
Hot forged +Normalized+rough turned
Q/T:Quench+ Temper
Annealing
6)Grain size: 6-8
7)Manufacture:EAF+LF+VD(Annealed,normalized,Quenched+Tempered,peeled,rough turned).

8) About our factory:
Our main products include Forged Steel Round Bar from Sizes 85mm to 1100mm, Forged Steel Square Bar from Sizes 150×150 to 800×800mm with various grade ;The largest production steel ingot 15T, mainly forged alloy steel, carbon steel and other materials. The annual output of forged round can reach 60,000 tons. The products are widely used and can be supplied to users in metallurgy, chemical, hydraulic, port and marine machinery The main equipment includes a 2000-ton hydraulic press, a 3-ton electro-hydraulic hammer, a 2.5-meter ring rolling machine, and is equipped with large and small traveling machines, metalworking lathes, and multiple large and small sawing machines. The company now has more than 100 sets of production equipment from a whole set of processes from blanking, heating, forging to heat treatment and machining.

9).Main Grade we can supply for forged steel bars

Steel series	Representative steel type
Carbon Steel series	AISI 1020,1045,A36,S355JR,S355JO
Petroleum machinery series	AISI4150,AISI4140,AISI4130,
	30CrMo,4145H
Tool mold series	1.2714,5CrMnMo,5CrNiMoV,
	1.2738,1.2311,1.2312
Bearing series	52100,GCr15,SUJ2
Marine series	4140,42CrMo,SCM440,
	709M40
Car series	SAE8620,20CrNiMo,
	SNCM220
Heavy-duty transmission series	40CrNiMo,SNCM439,
	SAE4340,EN24
Mining machinery series	655M13,826M40,
	25CrMo
Wind power gear series	18CrNiMo7-6, 17CrNiMo6, 1.6582,1.6587,SAE8620
Wind power spindle series	34CrNiMo6,817M40
Nitriding series	20MnCr5,38CrMoAl,
	31CrMoV9
Pressure vessel series	15CrMo,13CrMo4-4
Metallurgical roll series	21CrMoV511,W1.7225,
	EN19,709M40