ASTM W1-71/2 JIS SK6, SK5 GB T8

ASTM:W1-71/2 JIS:SK6, SK5/GB:T8 1).Technique:Forged and Hot-rolled 2).Dia: 80~800mm Length:2000-13000mm Lead Time:30 days

1. Standards:JIS SK5 ,DIN 1.1830,GB:T8Mn 

2. Surface: Black surface/Turned/Ground

3. Process: EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T)

4. Machine Capability

    Hardness:annealing, ≤187HB,

    indentation diameter≥4.4 mm;

    Quenching, ≥62HRC

    Heat treatment specification: sample quenching 780 - 800 °C, water cooling

5. Chemical Composition (%):http://www.forgedroundbar.com/products.asp?id=1300

C	Si	Mn	P	S
0.80-0.90	0.35(max)	0.40-0.60	0.035(max)	0.03(max)

  

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:Suitable for making cross section biggish tools because it has good riqidity and good abrasion after heat treatment

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.

 

ASTM W1-71/2 JIS SK6, SK5 GB T8