Stainless Steel 310 / 310s Pipes & Tube
Introduction

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Specification of Stainless Steel 310/310S (UNS S31000 / S31008) Pipe & Tube
| Size | 1/8” to 48”, Seamless Pipes up to 24” |
| Designation SS 310 | ASTM A312, ASME SA312, ASTM A269, ASTM A213, ASTM A249, ASTM A270, ASTM A511, ASTM A554, ASTM A778, ASTM A908, ASME SA249 |
| Designation SS 310S | ASTM A312, ASME SA312, ASTM A269, ASTM A213, ASTM A249, ASTM A270, ASTM A511, ASTM A554, ASTM A778, ASTM A908, ASME SA249. |
| Thickness | 0.4mm up to 30.00 mm, Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH |
| Type | Seamless, Welded, Cold Drawn, Structural, Hot Finished, Extruded, Annealed & Pickled |
| Form | Round, Square, Rectangular |
| Length | Standard 6-6.1 meter length, 20 Ft, Custom Cut Lengths |
| Application | Furnace parts, Oil burner parts, Carburising boxes, Heat Treatment baskets and jigs, Heat Exchangers, Welding filler wire, and electrodes. |
Grade Equivalent Stainless Steel 310/310S Pipe & Tube
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 310 | 1.4841 | S31000 | – | – | – | – | – |
| SS 310S | 1.4845 | S31008 | – | – | – | – | – |
Chemical Composition of Stainless Steel 310/310S Pipe & Tube:
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 310 | min. | – | – | – | – | – | 24.0 | – | 19.0 | – |
| max. | 0.25 | 2.0 | 1.50 | 0.045 | 0.030 | 26.0 | 22.0 | |||
| 310S | min. | – | – | – | – | – | 24.0 | – | 19.0 | – |
| max. | 0.08 | 2.00 | 1.50 | 0.045 | 0.030 | 26.0 | 22.0 | |||
Mechanical Properties of SS 904L Pipes & SS 904L Tubes:
| 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 | ||||
| 310 | 515 | 205 | 40 | 95 | 217 |
| 310S | 515 | 205 | 40 | 95 | 217 |
Physical Properties Of Stainless Steel 310/310S Pipe & Tube:
| 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) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 310 | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
| 310S | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
Grade specifications of Stainless Steel 310/310S Pipe & Tube:
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 310 | S310009 | 310S24 | – | 1.4840 | X15CrNi25-20 | – | SUH 310 |
| 310S | S31008 | 310S16 | – | 1.4845 | X8CrNi25-21 | 2361 | SUS 310S |
