Carbon Tool Steel SK7, SK6

Carbon Tool Steel SK7, SK6 Dia 80-800mm Length:4-5.8m Technique:Forged Peel or Q+T as required Delivery:abt 30 days

 

Carbon Tool Steel SK7, SK6

 

1 Grade: ASTM:W1-7/ JIS:SK7,SK6 /GB:T7

 

 2 Process  EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T  ) 

 

3 Chemical composition(for reference only):  http://www.forgedroundbar.com/products.asp?id=1300 

C	Mn	Si	S	P
0.75—0.84	≤0.40	≤0.35	≤0.030	≤0.035

4  Applications   :Its quench-hardening ability is good, can be used in the manufacture of cross-section of  larger tools.

 

5  

annealing	500-600°C / 650-700°C, air cooling , HB≤187
hot treatment	quench  780-800°C  water cooling
backfire	140-160°C    160-180°C     180-200°C
HRC 62

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

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

8. Delivery time: 20 days after order confirmed

9. Payment: T/T or L/C at sight.

Application:

Extrusion dies and die-casting for alumium,Mandgnesium allay mostly,for copper alloy could usemechaincal press forhing of steel,could use also various large-sized mirror plastic mould, precision plastic mould, like: cars accessies, home appliances, electronic equipment plastic mould

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.

 

 

Carbon Tool Steel SK7, SK6