Spring steel bar 60Si2Mn ASTM9260/DIN:1.0906 1.5028 1.0961/JIS SUP7
Spring steel bar 60Si2Mn
1.Dia 10-800mm length:2000-10000mm
2 Technique:Forged
3.Delivery Time: 30 days
1.Dia 10-800mm length:2000-10000mm
2 Technique:Forged
3.Delivery Time: 30 days
1. Standards: ASTM9260/DIN:1.0906 1.5028 1.0961/JIS SUP7 /GB:60Si2MnA
2. Surface: Black surface/Turned/Ground
3. Process:
EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T)
4. Machine Capability
Tensile strength (N/mm2Mpa): >=1372(140)
Elongation: >=5
Yield strength: >=1225(125)
Hardness:
Reduction of area:>=30
5. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | V | B |
0.52-0.60 | 1.50-2.00 | 1.00-1.30 | 0.035(max) | 0.035(max) | 0.35(max) | 0.35(max) | 0.25(max) | 0.08-0.16 | 0.0005-0.0035 |
6,Heat treatment
Annealing | 750C - furnace cooling - HBS less than 222 |
Normalizing | 830 ~ 860C - air cooling - HBS less than 302 |
Quenching | 850C oil HRC>61 |
HRC after tempering | 150C 61,200 C - 60,300 C - 56,400 C - 51, 500 C - 43,550 C - 38,600 C - 33,650 C – 29 |
7.Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C or by SGS ,AHK or Alex Stewart
8. Packing situation: standard seaworthy packing or as customer required
9. Delivery time: 20 days after order confirmed
10. Payment: T/T or L/C at sight.
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.
