Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel

Model NO.
Forging Bars Scm440 4140 1.7225 42CrMo4 Forged All
MOQ
1PC
PRO
Forged Rings
Ut Test
Sep1921- Class C/C,D/D
Transport Package
Standard Seaworthy
Specification
200-1000mm
Trademark
Laiwu Xincheng
Origin
China
HS Code
72284000
Production Capacity
3000tons/Month
Reference Price
$ 540.00 - 900.00
Contact Us

Product Description

Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel


1.About 4140 Alloy Steel :

.AISI 4140 alloy steel is chromium, molybdenum, manganese containing low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. 
 

2. AISI 4140 Steel Specification and Relevant Standards

GB,YB JIS DIN(W-Nr.) ASTM BS NF
42CrMo SCM440/(SCM4) 42CrMo4-1.7225 4140 708M40/709M40/708A42
/EN19 		42CD4


3. ASTM 4140 Steels And Equilvalents 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
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
Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel
Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel


4.AISI 4140 Forged Round Bar Mechanical Property :
(For refference only, property can be changed by adjusting quenching and tempereing tempreture)

Grade Tensile strength
σb(MPa) 		Yield strength
σs (MPa) 		Elongation
δ5 (%) 		Reduction
ψ (%) 		Impact Value
Akv (J) 		Hardness
4140  ≥1080 ≥930 ≥12 ≥45 ≥63    28-32HRC  



5.Forged Steel Size we can supply:

Forged Steel Round Bar Φ85mm~1200mm
Forged Square steel Bar: 150×150-800×800mm
Forged Flat Blocks: (150mm-800mm)*(200mm-800mm)
Forged Shaft and Forged Ring According to Customer's drawing


5.Inspecting:
UT according toSEP1921 C/c, D/d, E/e, A388 or GB/T 6402, 
Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,

6.Delivery Condition :
Forged+black surface
Forged+rough  machined
Forged+rough turned+QT/annealed/normalized
Surface condition: Black; Peeled; Polished; Machined; Grinded; Turned; Milled
7.Manufacture :EAF+LF+VD(Annealed,normalized,Quenched+Tempered,peeled,rough turned).
8.Heat Treatment:   Normalized / Annealed / Quenched / tempered (optional)
 
Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel
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 1.2714 H13
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

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.

Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel Forging Bars Scm440 4140 1.7225 42CrMo4 Forged Alloy Steel

 

Steel Round Bar

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