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Alloy Steel Coil

Alloy steel coil

Alloy steel coil is divided into low alloy steel coil, medium alloy steel coil and high alloy steel coil, as the name implies, the total amount of alloying elements to be distinguished, the total amount of less than 3.5% is called low alloy steel, 5-10% for medium alloy steel, more than 10% for high alloy steel. In the domestic customary and special quality of carbon steel and alloy steel called special steel.

Characteristic


Performance

(1) high strength: the general yield strength of 300MPa or more.
(2) high toughness: elongation requirements of 15% to 20%, room temperature impact toughness greater than 600kJ / m ~ 800kJ / m. For large welded components, but also requires a high fracture toughness.
(3) good welding performance and cold forming properties.
(4) low cold brittle transition temperature.
(5) good corrosion resistance.

Composition

(1) low carbon: due to the high requirements of toughness, weldability and cold forming properties, its carbon content does not exceed 0.20%.
(2) The addition of manganese based alloying elements.
(3) the addition of niobium, titanium or vanadium and other auxiliary elements: a small amount of niobium, titanium or vanadium in the steel to form fine carbide or carbonitride, which is conducive to obtaining fine ferrite grains and improve the strength and toughness of steel.
In addition, adding a small amount of copper (≤ 0.4%) and phosphorus (about 0.1%), etc., can improve corrosion resistance. Add a small amount of rare earth elements, can be desulfurized, de-gassing, so that the steel purification, improve toughness and process properties.

Heat treatment

This type of steel is generally used in the hot-rolled air-cooled state, without special heat treatment. The microstructure in the service condition is generally ferrite + sothite.

Uses

Mainly used in the manufacture of bridges, ships, vehicles, boilers, high-pressure vessels, oil and gas pipelines, large steel structures, etc.

Alloy steel coil

Material

Monel/Inconel/Hastelloy/Duplex Steel/PH Steel/Nickel Alloy

Shape

Bar,Pipe/tube,sheet/plate,Forging,Ring,Coil,Flange,Ribbon,Square pipe/bar,product processing

Grade

Duplex: 2205(UNS S31803/S32205),2507(UNS S32750),UNS S32760(Zeron 100),2304,904L

Hastelloy: Hastelloy B/ -2/B-3/C22/C-4/S/ C276/C-2000/G-35/G-30/X/N/g;etc

Inconel 600/601/602CA/617/625/713/718/738/X-750;ETC

Incoloy: Incoloy 800/800H/800HT/825/925/926;etc

GH: GH2132,GH3030,GH3039,GH3128,GH4180,GH3044,etc

Monel: Monel 400/K500/R405,etc

Nitronic: Nitronic 40/50/60;etc

Nimonic: Nimonic 75/80A/90/A263 ;etc

Specification

Wire: 0.01-10mmStrip: 0.05*5.0-5.0*250mm
Bar: φ4-50mm;Length 2000-5000mm
Pipe: φ6-273mm;δ1-30mm;Length 1000-8000mm
Sheet: δ 0.8-36mm;Width 650-2000mm;Length 800-4500mm

Product 

Characteristics

1.According to the preparation process can be divided into deformation superalloys,casting superalloys and powder metallurgy superalloys.

2.According to the strengthening mode, there are solid solution strengthening type, precipitation
strengthening type, oxide dispersion strengthening type and fiber strengthening type, etc

Inspection

ISO,SGS,BV and so on.

Packaging

All our products are packed, stored, transported according to the international regulation.Or ascustomer's requirement provide
special packing.

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APPLICATION FIELD

Industries We Proudly Serve

Building Construction
Building Construction
Specific requests for on-site construction are generally required and we will work with our clients to meet their needs.
Oil & Gas
Oil & Gas
We supply high strength steel to the oil and gas industry and our equipment is customized to cut advanced high strength steel for the oil and gas industry.
Medica Equipment
Medica Equipment
Kuaima steel supplies hospital beds and related furniture applications that require low micro surface finishes for plating applications.
Spaceflight
Spaceflight
Our high-quality steels and aircraft-grade metals also play an important role in specialty aerospace parts.
Agriculture
Agriculture
Kuaima Steel has been a proud supplier of steel to the agriculture and farming industry, and we understand the ups and downs that the industry has experienced.
Heavy Equipment
Heavy Equipment
We also supply several exercise equipment manufacturers with special high surface quality and high strength applications.

FAQ

We are a well known worldwide exporter of 304 Stainless Steel P
Q : What are your payment terms?
A : Our payment terms: 30% T/T deposit and 70% on B/L copy or L/C at sight, before you pay the balance. We will show you product and packaging photos.
Q : How long is your delivery time?
A : Generally, it takes 10-15 working days for stock, and 20-30 working days if there is no stock. According to the order quantity
Q : Can you accept customization?
A : Yes. Can be customized according to customer requirements
Q : How about the MOQ? If my first order is small, will you accept it?
A : We will try our best to support your trial order quantity, so even if it is 1 piece or 1 kg, we can start cooperation; because we are confident to make a second order with the company.
Q : How about your after-sales service?
A : As a professional steel export company, we provide promotion and technical support for all questions and questions.