STAINLESS STEEL
SEAMLESS AND WELDED TUBES
AND PIPES FOR THE CHEMICAL AND
PETROCHEMICAL INDUSTRY
| CHEMICAL ANALYSIS - AUSTENITIC GRADES |
| ASTM GRADE |
UNS DESIGNATION |
C % |
Mn % |
P % |
S % |
Si % |
Ni % |
Cr % |
Mo % |
Ti % |
| TP304 | S30400 | <0.08 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
8.00÷11.0 | 18.0÷20.0 | - | - |
| TP304H | S30409 | 0.04÷0.10 | <2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
8.00÷11.0 | 18.0÷20.0 | - | - |
| TP304L | S30403 | <0.035 | <2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
8.00÷13.0 | 18.0÷20.0 | - | - |
| TP309 | S30900 | <0.15 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
12.0÷15.0 | 22.0÷24.0 | - | - |
| TP310 | S31000 | <0.15 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
19.0÷22.0 | 24.0÷26.0 | - | - |
| TP316 | S31600 | <0.08 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
11.0÷14.0 | 16.0÷18.0 | 2.00÷3.00 | - |
| TP316H | S31609 | 0.04÷0.01 | <2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
11.0÷14.0 | 16.0÷18.0 | 2.00÷3.00 | - |
| TP316L | S31603 | <0.035 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
10.0÷15.0 | 16.0÷18.0 | 2.00÷3.00 | - |
| TP 316 Mod. (UREA GRADE) |
- | <0.03 = |
<2.00 = |
<0.045 = |
<0.030 = |
<1.00 = |
11.5÷14.5 | 16÷18.5 | 2.50÷3.00 | - |
| TP 316 Ti | - | <0.08 = |
<2.00 = |
<0.045 = |
<0.030 = |
<1.00 = |
10.5÷13.5 | 16÷18.5 | 2.00÷2.50 | 5xC min; 0.80 max |
| TP317 | S31700 | <0.08 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
11.0÷14.0 | 18.0÷20.0 | 3.00÷4.00 | - |
| TP317L | S31703 | <0.035 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
11.0÷15.0 | 18.0÷20.0 | 3.00÷4.00 | - |
| TP321 | S32100 | <0.08 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
9.00÷13.0 | 17.0÷20.0 | - | - |
| TP321H | S32109 | 0.04÷0.10 | <2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
9.00÷13.0 | 17.0÷20.0 | - | - |
| TP347 | S34700 | <0.08 = |
<2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
9.00÷13.0 | 17.0÷20.0 | - | - |
| TP347H | S34709 | 0.04÷0.01 | <2.00 = |
<0.040 = |
<0.030 = |
<0.75 = |
9.00÷13.0 | 17.0÷20.0 | - | - |
| CHEMICAL ANALYSIS - AUSTENITIC-FERRITIC GRADES |
| UNS DESIGNATION |
C % |
Mn % |
P % |
S % |
Si % |
Ni % |
Cr % |
Mo % |
N % |
Cu % |
| S31803 | <0.030 = |
<2.0 = |
<0.030 = |
<0.020 = |
<1.0 = |
4.50÷6.50 | 21.0÷23.0 | 2.50÷3.50 | 0.08÷0.20 | - |
| S31500 | <0.030 = |
1.20÷2.00 | <0.030 = |
<0.030 = |
1.40÷2.00 | 4.25÷5.25 | 18.0÷19.0 | 2.50÷3.00 | 0.05÷0.10 | - |
| S32550 | <0.040 = |
<1.5 = |
<0.040 = |
<0.030 = |
<1.0 = |
4.50÷6.50 | 24.0÷27.0 | 2.90÷3.90 | 0.10÷0.25 | 1.5÷2.5 |
| S32304 | <0.030 = |
<2.50 = |
<0.040 = |
<0.040 = |
<1.0 = |
3.0÷5.5 | 21.5÷24.5 | 0.05÷0.60 | 0.05÷0.20 | 0.05÷0.60 |
| S32750 | <0.030 = |
<1.2 = |
<0.035 = |
<0.020 = |
<0.8 = |
6.0÷8.0 | 24.0÷26.0 | 3.0÷5.0 | 0.24÷0.32 | 0.5 |