ASTM A312 Stainless Steel 304 Pipe
| Specification | ASME SA312 / ASTM A312 |
|---|---|
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| Test |
|
| Marking | All Stainless Steel Seamless Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Thickness | exact 0.25, 0.28, 0.32, 0.37, 0.41, 0.51, 0.61, 0.71, 0.91, 1.11, 1.15, 1.41 mm |
| size | 5.0 mm – 1219.2 mm |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes, Square Pipes, Rectangular Pipe |
| Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
| Surface Finish: | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Inspection, Test Reports | Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports |
| Material Test Certificates (MTC) | Material Test Certificates (MTC) as per EN 10204/ 3.1B and EN 10204 3.2 |
| Seamless Pipe size | 5.0 mm – 1219.2 mm |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Pipe End | Plain End, Beveled End, Treaded. |
| Size | 4 to 219mm W. T.: 0.5 to 20mm |
|
PIPE SCHEDULES WALL THICKNESS (Inches)
|
||||||||
|---|---|---|---|---|---|---|---|---|
|
Nominal
|
O.D. Inches
|
10s
|
10
|
40s & Std
|
40
|
80s & E.H.
|
80
|
160
|
|
1/8
|
.405
|
.049
|
.049
|
.068
|
.068
|
.095
|
.095
|
|
|
1/4
|
.540
|
.065
|
.065
|
.088
|
.088
|
.119
|
.119
|
|
|
3/8
|
.675
|
.065
|
.065
|
.091
|
.091
|
.126
|
.126
|
|
|
1/2
|
.840
|
.083
|
.083
|
.109
|
.109
|
.147
|
.147
|
.187
|
|
3/4
|
1.050
|
.083
|
.083
|
.113
|
.113
|
.154
|
.154
|
.218
|
|
1
|
1.315
|
.109
|
.109
|
.133
|
.133
|
.179
|
.179
|
.250
|
|
1 1/4
|
1.660
|
.109
|
.109
|
.140
|
.140
|
.191
|
.191
|
.250
|
|
1 1/2
|
1.900
|
.109
|
.109
|
.145
|
.145
|
.200
|
.200
|
.281
|
|
2
|
2.375
|
.109
|
.109
|
.154
|
.154
|
.218
|
.218
|
.343
|
|
2 1/2
|
2.875
|
.120
|
.120
|
.203
|
.203
|
.276
|
.276
|
.375
|
|
3
|
3.500
|
.120
|
.120
|
.216
|
.216
|
.300
|
.300
|
.437
|
|
3 1/2
|
4.000
|
.120
|
.120
|
.226
|
.226
|
.318
|
.318
|
|
|
4
|
4.500
|
.120
|
.120
|
.237
|
.237
|
.337
|
.337
|
.531
|
|
4 1/2
|
5.000
|
.247
|
.355
|
|||||
|
5
|
5.563
|
.134
|
.134
|
.258
|
.258
|
.375
|
.375
|
.625
|
|
6
|
6.625
|
.134
|
.134
|
.280
|
.280
|
.432
|
.432
|
.718
|
|
7
|
7.625
|
.301
|
.500
|
|||||
|
8
|
8.625
|
.148
|
.148
|
.322
|
.322
|
.500
|
.500
|
.906
|
|
9
|
9.625
|
.342
|
.500
|
|||||
|
10
|
10.750
|
.165
|
.165
|
.365
|
.365
|
.500
|
.593
|
1.125
|
|
11
|
11.750
|
.375
|
.500
|
|||||
|
12
|
12.750
|
.180
|
.180
|
.375
|
.406
|
.500
|
.687
|
1.312
|
|
14
|
14.000
|
.188
|
.250
|
.375
|
.437
|
.500
|
.750
|
1.406
|
|
16
|
16.000
|
.188
|
.250
|
.375
|
.500
|
.500
|
.843
|
1.593
|
|
18
|
18.000
|
.188
|
.250
|
.375
|
.562
|
.500
|
.937
|
1.781
|
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
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