Stainless Steel TP 304 Seamless Pipes and Tubes Specification
Standard | UNS | Werkstoff NR. | JIS | AFNOR | BS | GOST | EN |
SS 304 | S30400 | 1.4301 | SUS 304 | Z7CN18-9 | 304S31 | 08X18H10 | X5CrNi18-10 |
Chemical Composition
SS | 304 |
Ni | 8-11 |
Fe | Balance |
Cr | 18-20 |
C | 0.08 max |
Si | 0.75 max |
Mn | 2 max |
P | 0.040 max |
S | 0.030 max |
N | |
Mechanical Properties
Grade | 304 |
Tensile Strength (Mpa) min | 515 |
Yield Strength 0.2% Proof (Mpa) min | 205 |
Elongation (% in 50 mm ) min | 40 |
Hardness |
|
Rockwell B (HR B) max | 92 |
Brinell (HB) max | 201 |
Grade Specification
Grade | UNS No | Old British BS | En | Euronorm No | Name | Swedish SS | Japanese JIS |
304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Physical Properties
Grade | Density (kg/m3) | Elastic modulus (Gpa) | Mean coefficient of thermal expansion (m/m0C) | Thermal conductivity (W/m.k) | Specific Heat 0-1000C(J/kg.K) | Electrical Resistivity (n.m | |||
304 | 8000 | 193 | 0-1000C | 0-3150C | 0-5380C | At 1000C | At 5000C | 500 | 720 |
17.2 | 17.8 | 18.4 | 16.2 | 21.5 |