1.4845 Stainless Steel Round Pipes
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1.4845 stainless steel alloy steel pipe, often called "German standard stainless steel". This material has good corrosion resistance and high temperature strength and is widely used in various industrial fields. Its chemical composition mainly includes elements such as chromium, nickel, molybdenum, and titanium.
1.4845 stainless steel pipe is a heat-resistant austenitic alloy with excellent oxidation resistance under microcycle conditions of 2000°F.
Compared with common austenitic alloys, its high chromium and nickel content provides corrosion resistance, excellent oxidation resistance and retains a higher proportion of electrical resistance at room temperature, comparable to 304 stainless steel pipe.
1.4845 is typically used at low temperatures, has excellent hardness at -450°F, and has low magnetic permeability.
SS DIN 1.4845 Pipes Specifications
| Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
| Dimensions | DIN |
| SS DIN 1.4845 Pipes | 1/2″ NB – 16″ NB |
| ERW DIN 1.4845 Pipes | 1/2″ NB – 24″ NB |
| EFW DIN 1.4845 Pipes | 6″ NB – 100″ NB |
| Size | 1/8″NB TO 30″NB IN |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, "U" Shape, Hydraulic Pipes |
DIN 1.4845 Pipes Seamless Pipes Equivalent Grades
| Grade | 310S | |
| UNS No | S31008 | |
| Old British | BS | – |
| En | – | |
| Euronorm | No | 1.4845 |
| Name | – | |
| Swedish SS | – | |
| Japanese JIS | SUS 310S | |
Stainless Steel DIN 1.4845 Seamless Pipes

SS DIN 1.4845 Pipes Physical Properties
| Grade | DIN 1.4845 | |
|---|---|---|
| Density (kg/m3) | 7750 | |
| Elastic Modulus (GPa) | 200 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 15.9 |
| 0-3150C | 16.2 | |
| 0-5380C | 17.0 | |
| Thermal Conductivity (W/m.K) | at 1000C | 14.2 |
| at 5000C | 18.7 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
Physical Properties:
Density: 7.9 g/cm³
Melting Range: 1400-1450°C
Thermal Conductivity: 14.2 W/(m·K) at 20°C
Electrical Resistivity: 0.78 x 10^-6 Ω·m at 20°C
Gnee Steel Pipe Co., Ltd. is an industrial and trading company. We mainly produce and operate carbon steel pipes and alloy steel pipes. Our pipes include liquid delivery pipes, structural pipes, hydraulic strut pipes, boiler pipes and bearing pipes. We typically have over 5,000 tons of pipe in various sizes and standards. Our stock pipe sizes range from 20mm to 406mm outer diameter and 2mm to 70mm wall thickness.

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