Alloy Steel Pipe
Keywords(pipe type):Alloy Pipe, Alloy Tube, Alloy Steel Pipe, Alloy Steel Tube
Size:OD: 1/8'' ~ 26''; WT: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD;Length: Single Random, Double Random, Cut Length max to 23m
Standard & Grade:ASTM A333, A335 P5/P9/P11/P22/P91, DIN 17175, JIS G3458
Ends:Plain End, Beveled End, Thread End
Delivery:Within 30 days and Depends on your order quantity
Payment:TT, LC , OA , D/P
Packing:Bundled with Hemp Rope/In Bulk
Usage:Used for low pressure liquid delivery, such as water, gas, and oil
Alloy steel can further classify as:
Low alloy steels: in which the sum of total Alloying elements is < 5%
High alloy steels: in which the sum of total Alloying elements is > 5%
Physical Properties
Alloy steel pipes have a higher strength-to-weight ratio than conventional carbon steel pipes. This means they can withstand more pressure while maintaining their structural integrity. Additionally, they are much more resistant to corrosion and wear than traditional carbon steel pipes due to the addition of alloying elements which protect against oxidation.
Chemical Composition
The chemical composition of alloy steel pipes varies depending on the specific grade used. Most commonly used grades include 4140 (chromium-molybdenum), 4130 (chromium-molybdenum-silicon), 52100 (chromium), 1020 (carbon), 8620 (nickel-chromium-molybdenum) and T304/L (stainless steel). Each grade has unique properties and characteristics, making it ideal for different applications.
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Mechanical Properties
Alloy steel pipes are typically stronger than traditional carbon steel ones due to the addition of alloying elements. They also have greater temperature resistance and better weldability than carbon steels due to their lower carbon content levels. Additionally, they tend to be more ductile than standard carbon steels when exposed to various temperatures or pressures.
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
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