Ramdev Steel Engineering maintains one of the world’s largest ASTM B163 Monel 400 Seamless Pipe -pipe & tubes inventories include stainless steels, duplex, super duplex, nickel & mixed alloys, carbon steels and low alloys for energy and industrial applications.
Pipes are normally manufactured in either seamless or welded form. Seamless pipes are made from extruded billets and are then formed into nominal bore sizes with the various schedule wall thicknesses to suit. Welded pipes are manufactured from strip or plates. These are rolled into shape and then welded into cylindrical form of nominal bore sizes with their various schedule wall thicknesses to suit.
- Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Flanges
- Wire
What are the characteristics of Monel 400?
- Resistant to seawater and steam at high temperatures
- Excellent resistance to rapidly flowing brackish water or seawater
- Excellent resistance to stress corrosion cracking in most freshwaters
- Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
- Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations, but is seldom the material of choice for these acids
- Excellent resistance to neutral and alkaline salt
- Resistance to chloride induced stress corrosion cracking
- Good mechanical properties from sub-zero temperatures up to 1020° F
- High resistance to alkalis
Chemical Composition, %
| C | Mn | S | Si | Ni | Cu | Fe |
|---|---|---|---|---|---|---|
| .30 max | 2.00 max | .024 max | .50 max | 63.0 min | 28.0-34.0 | 2.50 max |
ASTM Specifications
| Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Forging | Fitting | Wire |
|---|---|---|---|---|---|---|---|---|
| B165 | B725 | B163 | B127 | B164 | B564 | B366 |
Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material
Product Form |
Condition | Tensile (ksi) | .2% Yield (ksi) | Elongation (%) | Hardness (HRB) |
|---|---|---|---|---|---|
| Rod & Bar | Annealed | 75-90 | 25-50 | 60-35 | 60-80 |
| Rod & Bar | Cold-Drawn Stress Relieved | 84-120 | 55-100 | 40-22 | 85-20 HRC |
| Plate | Annealed | 70-85 | 28-50 | 50-35 | 60-76 |
| Sheet | Annealed | 70-85 | 30-45 | 45-35 | 65-80 |
| Tube & Pipe Seamless | Annealed | 70-85 | 25-45 | 50-35 | 75 max * |