QT steel 4140/42CrMo4/1.7225 4140 round steel bar

Specifications

QT steel 4140
1.Hot rolled steel
2.Delivery time:7~10 days
3.Ut test grade:SEP1921-84 Class C/c

QT steel  4140  

 

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. 8 – 1200mm

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

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

 

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

 

6. Delivery time:  10 days after order confirmed

 

7. Payment:  T/T,D/P or L/C at sight.

 

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

  
Note:

1. According to national standard (GB)for our products, if not, supply according to national standards(GB) or agreement.
2. We can not only provide electric furnace +LF+VD and electroslag re-melting(ESR)steel forging materials, but also forging products of piece, bar, etc.
3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.

4. Please send us your detailed specifications when inquire. We will reply to you ASAP.

5. You can contact us if you have any questions.

 

Photo for your referrence

 

 

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