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Alloy steel pipe is a type of steel pipe that consists of alloying elements, such as manganese, silicon, nickel, titanium, copper, chromium, and aluminium. These alloying elements are added to increase the mechanical and chemical properties of the steel. This blog post will discuss the physical properties, chemical composition, mechanical properties, and uses of alloy steel pipes.
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.
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.
Uses
Alloy steel pipes are used in various industries due to their versatile properties. They are often found in automotive components such as exhaust systems and engine parts because they can withstand high temperatures without breaking down easily. They also find uses in construction projects where they provide strength while being lightweight at the same time. Finally, they are often used in power plants and other industrial settings because they offer superior corrosion resistance to other metal pipes.
| Out Diameter | Tolerance of Pipe End | Tolerance of Pipe Body |
| 219.1-273.1 | +1.6mm, -0.4mm | ±0.75% |
| 274.0-320 | +2.4mm, -0.8mm | ±0.75% |
| 323.9-457 | +2.4mm, -0.8mm | ±0.75% |
| 508 | +2.4mm, -0.8mm | ±0.75% |
| 559-610 | +2.4mm, -0.8mm | ±0.75% |
| Grade | Out Diameter | Wall Thickness |
| / | 219.1-457 | +15%, -12.5% |
| B | 508-610 | +17.5%, -12.5% |
| X42-X80 | 508-610 | +19.5%, -8% |
| Material | Inconel,Hastelloy,Monel,Incoloy,GH,Precision alloy,Stainless steel | |
| Standard | GB,AISI,ASTM,DIN,EN,SUS,UNS etc | |
| Shape | Sheet ,Coil, Bar,Pipe,Round,Forging,Ring,Coil,Flange,Disc,Foil,Spherical,Ribbon,Square | |
| Surface | Mirror,Brushed,Mil Finished,Polished etc | |
| Material Grade | Inconel | Inconel600(N06600 GH3600), Inconel601(N06601 GH3600), Inconel625(N06625 GH3625), InconelX-750(N07750 GH4145), Inconel 718(N07718 GH4169), Inconel690 |
| Hastelloy | Hastelloy B-2,Hastelloy C,Hastelloy C-267(N10276),Hastelloy C-4, Hastelloy C-22(N06022),Hastelloy G30(N06030) | |
| Monel | Monel 400(N04400),Monel K500(N05500) | |
| Incoloy | Incoloy A-286(GH2132 N662),Incoloy800 800H 800HT,Incoloy725, Incoloy825,Incoloy925,Incoloy926(N08926 1.4529) | |
| GH | GH2132(N66286 A286 Gr6),GH3625(Inconel625 UNS N0), GH4169(Inconel718 UNS N0),GH3030,GH3039,GH4033,GH3128 | |
| Precision alloy | 4J36,4J29,1J79 | |
| Stainless steel | Alloy 20(N08020),904L(N08904),254SMo(F44 S31254) | |
| Specification | Sheet | Thickness 0.8-36mm; Width 650-2000mm; Length 800-4500mm |
| Strip | 0.05*5.0-5.0*250mm | |
| Pipe | φ 6-273mm; Thickness 1-30mm; Length 1000-8000mm | |
| Bar | φ4-50mm; Length 2000-5000mm | |
| Wire | 0.01-10mm | |
| Application | It is widely used in high-temperature and electric industry, medical devices, construction, chemistry, food industry, agriculture, and ship components. It also applies to food and beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs, and screen mesh etc | |
| Trade Terms | EXW,FOB,CIF CFR | |
| Loading Port | Shanghai port, Tianjin port, Qindao port | |
| Payment terms | 1) 30% deposit by T/T, the balance against copy of B/L by T/T. | |
| 2) 30% deposit by T/T, the balance by L/C at sight. | ||
| 3) 100% L/C at sight. | ||
| MOQ | 1Ton | |
| Packing Detail | Standard Seaworthy Package or customer requirements | |
| Delivery time | 1.Usually,within10-20days after receiving deposit or LC. 2.According to the order quantity | |
| Samples | Free samples are provided but the fright is borne by the buyer | |
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Liaocheng Economic and Technological Development Zone, Shandong Province, China
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