Brand Name :
|
Type/Size/Grade/Variety :
Name of the product Bright Steel Bars
Steel Designation/Grade and its properties As per Annexure-A enclosed
Finished Condition Ground Turned and Reeled
Shape Round
Dimensions and tolerance
classes • From diameter 4 mm to upto and including 30 mm
• Tolerance classes: h9, h10, h11, h12 • From diameter 31 mm to upto and including 50 mm
• Tolerance classes: h9, h10, h11, h12
S. No Steel Designation / Grade Chemical Composition (%) Heat Treatment
Carried out (if any) Mechanical Properties (if any)
1.
F316L/F316L5
X2CrNiMo1-12-2
1,4401/4404 C: 0.03 Max
Mn: 1.25 – 2.00
Si: 0.75 Max
S: 0.015 – 0.030
P: 0.04 Max
Cr: 16.5 – 18.0
Ni: 10.0 – 13.0
Mo: 2.0 – 2.5
N (ppm): max 1000
Solution Annealed
Tensile Strength –
Min. 515N/mm2
Hardness -
Max 215HB
2.
329A1
X3CrNiMoN22-5-3
1,4462 C: 0.03 Max
Mn:2.00Max
Si: 1.00Max
S: 0.01Max
P: 0.03Max
Cr: 22.0– 23.0
Ni: 4.5 – 6.5
Mo: 3.0 – 3.5
N (ppm): 1400-2000
Solution Annealed
Tensile Strength –
Min. 680N/mm2
Hardness -
Max 270HB
3.
329S
X2CrNiMoCuWN25-7-4
1,4501 C: 0.03Max
Mn:1.0Max
Si: 1.0Max
S: 0.01Max
P: 0.03Max
Cr: 24.0 – 26.0
Ni: 6.0 – 8.0
Mo: 3.0 – 4.0
N (ppm): 2000-3000
Cu: 0.5 – 1.0
W : 0.5 – 1.0
Solution Annealed
Tensile Strength –
Min. 750N/mm2
Hardness -
Max 270HB
4.
329S1
X2CrNiMoN25-7-4
1,4410 C: 0.03Max
Mn:1.2Max
Si: 0.8Max
S: 0.015Max
P: 0.035Max
Cr: 24.0 – 26.0
Ni: 6.0– 8.0
Mo: 3.0 – 4.5
N (ppm): 2400-3200
Cu:0.5Max
Solution Annealed
Tensile Strength –
Min. 760N/mm2
Hardness -
Max 290HB
5.
440B
X90CrMoV18
1,4112 C: 0.85 – 0.95
Mn: 1.0Max
Si:1.0Max
S: 0.03Max
P: 0.04Max
Cr: 17 – 19
Mo: 0.9 – 1.3
V : 0.07 – 0.12
Annealed
Tensile Strength –
Max. 900N/mm2
Hardness -
Max 265HB
6.
VA61
X53CrMnNiN21-9
1,4871 C: 0.48 – 0.58
Mn: 8.0 – 10.0
Si: 0.25 Max
S: 0.03 Max
P: 0.045 Max
Cr: 20.0 – 22.0
Ni: 3.15 – 4.50
N (ppm) : 3500-5000
Solution annealed (in line or furnace based on wire rod diameter)
Tensile Strength: max 1300 N/mm2
Hardness max 40 HRC
7.
VA34
X33CrNiMnN23-8
1,4866 C: 0.28 – 0.38
Mn: 1.5 – 3.5
Si: 0.5 – 1.0
S: 0.03 Max
P: 0.045Max
Cr: 22.0 – 24.0
Ni: 7.0– 9.0
Mo :0.5 Max
N (ppm) : 2500-3500
Solution annealed (in line or furnace based on wire rod diameter) Hardness max 38 HRC
8.
VM11
X45CrSi9-2
1,4718 C: 0.4 – 0.5
Mn:0.6Max
Si: 2.7 – 3.3
S: 0.03 Max
P: 0.04Max
Cr: 8.0 – 10.0
Ni: 0.5Max
- Hardened and tempered
- Annealed
- Hardness 30-35 / 35-43 HRC (Hardened and tempered)
- Hardness max 30 HRC (Annealed)
9.
AC155
AMS5659 C: 0.07Max
Mn: 1.0MAx
Si: 1.0Max
S: 0.015Max
P: 0.03Max
Cr: 14.0 – 15.5
Ni: 3.5 – 5.5
Mo :0.5Max
Cu :2.5 – 4.5
Nb : 5xC – 0.45
Solution Treated (annealed) condition Hardness < 363 HBW
Response to Heat Treatment H900:
UTS (MPa) > 1310
YS 0.2 (MPa) > 1172
El.% 4D > 10
Z % > 35
10.
AC155
AMS5659/H1025 C: 0.07Max
Mn: 1.0Max
Si: 1.0Max
S: 0.015 Max
P:0.03Max
Cr: 14.0-15.5
Ni: 3.5 – 5.5
Mo :0.5Max
Cu : 2.5 – 4.5
Nb : 5xC – 0.45
Ageing H1025
UTS (MPa): 1069-1276
YS 0.2 (MPa) > 1000
El.% 4D > 12
Z % > 45
11.
AC174
AMS 5643
C: 0.07 Max
Mn: 1.0Max
Si: 1.0Max
S: 0.03 Max
P: 0.04 Max
Cr: 15.0– 17.5
Ni: 3.0– 5.0
Mo :0.5Max
N (ppm) : 500Max
Cu : 3.0-5.0
Nb :5xC – 0.45
Solution Treated (annealed) condition Hardness < 363 HBW
Response to Heat Treatment H900:
UTS (MPa) > 1310
YS 0.2 (MPa) > 1172
El.% 4D > 10
Z % > 40
12. AC174
AMS5643/H1025 C: 0.07Max
Mn: 1.0Max
Si: 1.0Max
S: 0.03 Max
P: 0.04 Max
Cr: 15.0– 17.5
Ni: 3.0 – 5.0
Mo :0.5Max
N (ppm) : 500Max
Cu:3.0 – 5:0
Nb :5xC – 0.45
Ageing H1025
UTS (MPa): 1069-1276
YS 0.2 (MPa) > 1000
El.% 4D > 12
Z % > 45
13. AC174
AMS5643/H1150 C: 0.07Max
Mn: 1.0Max
Si: 1.0Max
S: 0.03Max
P: 0.04Max
Cr: 15.0 – 17.5
Ni: 3.0 – 5.0
Mo :0.5Max
N (ppm) : 500Max
Cu: 3.0 – 5.0
Nb :5xC – 0.45
Ageing H1150
UTS (MPa): 931-1172
YS 0.2 (MPa) > 724
El.% 4D > 16
Z % > 50
|
|