Our company has a history of over60 years in producting stainless steel. By selecting high quality raw materials and adopting melting processes of three-phase electroslag furnace+single-phase remelting furnace、vacuum furnace、medium frequency induction furnace and electric arc furnace+vod furnace,the products are excellent in cleanliness and homogeneous、stable in composition. The series of Bar, wire and strip cab be provided.

Size range

Chemical Composition

Product Name: 904L

Physical properties: 904L, density: 8.24g/cm3, melting point: 1300-1390 ℃

Heat treatment: heat preservation between 1100-1150 ℃ for 1-2 hours, rapid air cooling or water cooling.

Mechanical properties: tensile strength: σ B ≥ 490mpa, yield strength σ B ≥ 215mpa, elongation: δ≥ 35%, hardness: 70-90 (HRB)

Corrosion resistance and main application environment: 904L is a kind of austenitic stainless steel with low carbon content and high alloying metal, which is designed for harsh corrosion conditions. It has better corrosion resistance than 316L and 317L, and takes into account the price and performance, and has high cost performance ratio. Due to the addition of 1.5% copper, it has excellent corrosion resistance for reducing acids such as sulfuric acid and phosphoric acid. It also has excellent corrosion resistance to stress corrosion, pitting corrosion and crevice corrosion caused by chloride ion, and has good resistance to intergranular corrosion. In the concentration range of 0-98%, the temperature of 904L can be as high as 40 ℃. In the range of 0-85% phosphoric acid, its corrosion resistance is very good. In industrial phosphoric acid produced by wet process, impurities have a strong influence on corrosion resistance. In all kinds of phosphoric acid, the corrosion resistance of 904L is better than that of ordinary stainless steel. In strong oxidizing nitric acid, the corrosion resistance of 904L steel is lower than that of high alloy steel without molybdenum. In hydrochloric acid, the use of 904L is limited to a lower concentration of 1-2%. In this concentration range. The corrosion resistance of 904L is better than that of conventional stainless steel. 904L steel has high resistance to pitting corrosion. In chloride solution, its crevice corrosion resistance energy. The force is also very good. The high nickel content of 904L reduces the corrosion rate in pits and crevices. Ordinary austenitic stainless steel may be sensitive to stress corrosion in a chloride rich environment when the temperature is higher than 60 ℃. The sensitization can be reduced by increasing the nickel content of stainless steel. Due to its high nickel content, 904L has high stress corrosion cracking resistance in chloride solution, concentrated hydroxide solution and hydrogen sulfide rich environment.

Product Name: 304L

Physical properties: the density is 7.93 g / cm3

30L stainless steel is a common stainless steel, which is widely used as a chromium nickel stainless steel. It has good corrosion resistance, heat resistance, low temperature strength and mechanical properties. It is resistant to corrosion in the atmosphere. If it is industrial atmosphere or heavily polluted area, it needs to be cleaned in time to avoid corrosion. It is suitable for food processing, storage and transportation. It has good machinability and weldability. Plate heat exchanger, bellows, household goods, building materials, chemical, food industry, etc. 30L stainless steel is an approved food grade stainless steel.

Product Name: 309Nb

Physical properties: tensile strength: 550MPa, elongation: 25%

Characteristics and welding direction:

309nb has a rutile acid type coating and is designed for alternating current or positive electrode welding. 309nb is a kind of 23CR13 Ni alloy，The addition of niobium reduces the carbon content and provides good resistance to carbide precipitation, thus increasing the grain boundary nuclear corrosion resistance. It also offers a higher the strength under high temperature environment is suitable for high temperature welding of ASTM 347 composite steel or carbon steel for surfacing welding.

309nb can also be used for welding different low carbon steels and stainless steels.

Product Name: SUS434

Physical properties: Conditional yield strength σ 0.2 (MPA): ≥ 205 Elongation δ 5 (%): ≥ 40 Reduction of area ψ (%): ≥ 50

Hardness: ≤ 187hb; ≤ 90hrb; ≤ 200hv

Product introduction:

Characteristics of SUS434 / 436 / 439 ferritic stainless steel: the representative steel of ferrite steel, with low thermal expansion rate, good forming and oxidation resistance. 430 is used as molding products such as automobile interior decoration panel, and 434 and 436 stainless steels are used when better corrosion resistance is required. 436 is a modified steel grade of 434, which reduces the tendency of “wrinkling” in relatively strict stretch forming operation. Application: heat resistant stove, stove, household appliance parts, class 2 tableware, water tank, decoration, screw and nut.

Product Name: SUS630 / 632

Product introduction:

630 / 632 is martensitic precipitation hardening stainless steel strip. It has high strength, high hardness, good welding performance and corrosion resistance. After heat treatment, the mechanical properties of the products are more perfect, which can reach the compressive strength of 1100-1300 MPa (160-190 Ksi). This grade can not be used at temperatures higher than 300 ℃ (570f) or very low temperature. It has good corrosion resistance to atmosphere and diluted acid or salt. Its corrosion resistance is the same as that of 304 and 430. 630 / 632 has been widely used in valve, shaft, chemical fiber industry and high strength parts with certain corrosion resistance requirements. Metallographic structure: the structure characteristic is precipitation hardening type.

Application: used for manufacturing parts with high corrosion resistance and high strength, such as bearings and steam turbine parts.

Product Name: 05cr17ni4cu4nb

Product introduction:

7-4ph alloy is a precipitated, hardened and martensitic stainless steel composed of copper and niobium / columbium.

Characteristics: after heat treatment, the mechanical properties of the products are more perfect, and the compressive strength can reach as high as 1100-1300 MPa (160-190 Ksi). This grade can not be used at temperatures higher than 300 ℃ (572 Fahrenheit) or very low temperature. It has good corrosion resistance to atmosphere and diluted acid or salt. Its corrosion resistance is the same as that of 304 and 430.

17-4PH is martensitic precipitation hardening stainless steel. 17-4PH performance is easy to adjust the strength level, which can be adjusted by changing the heat treatment process. The main strengthening means are martensitic transformation and precipitation hardening phase formed by aging treatment. The 17-4PH attenuation property is good, corrosion fatigue resistance and water drop resistance are strong.

application area:

·Offshore platform, HELIDECK, other platforms

·Food industry

·Pulp and paper industry

·Aerospace (turbine blade)

·Mechanical parts

·Nuclear waste drum

Packing & Delivery

We pack the products in plastic or foam and put them in wooden cases.If the distance is too far, we will use iron plates for further reinforcement.
If you have other packaging requirements, you can also contact us and we will try our best to meet them.

And we will choose the shipping way as you required: By sea, by air, by express, etc.As for the costs and shipping period information, please contact us via telephone, mail or online trade manager.

Application

Company Profile

Beijing Shougang Gitane New Materials Co., Ltd. (originally known as Beijing Steel Wire Plant) is a specialized manufacturer, with a history of over 50 years. We are engaged in producing special alloy wires and strips of resistance heating alloy, electrical resistance alloy, and stainless steel and spiral wires for industrial and domestic applications. Our company covers an area of 88,000 square meters, including 39,268 square meters of workroom. Shougang Gitane has 500 employees, including 30 percent of employees on technical duty. Shougang Gitane attained ISO9001quality system certification in 2003.

Brand

Spark “brand spiral wire is well-known all over the country. It uses high-quality Fe-Cr-Al and Ni-Cr-Al alloy wires as raw materials and adopts high-speed automatic winding machine with computer control power capacity. Our products have high temperature resistance, fast temperature rise, long service life, stable resistance, small output power error, small capacity deflection, uniform pitch after elongation, and smooth surface. It is widely used in small electric oven, muffle furnace, air conditioner, various ovens, electric heating tube, household appliances, etc. We can design and manufacture all kinds of non-standard helix according to user’s requirements.

Production process

First-class quality management system

Qualification certificate

FAQ

1. who are we?
We are based in Beijing, China, start from 1956,sell to Western Europe(11.11%),Eastern Asia(11.11%),Mid East(11.11%),Oceania(11.11%),Africa(11.11%),Southeast Asia(11.11%),Eastern Europe(11.11%),South America(11.11%),North America(11.11%). There are total about 501-1000 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
heating alloys ,risistance alloys,stainless alloys,special alloys,amorphous(nanocrystalline)strips

4. why should you buy from us not from other suppliers?
More than sixty years researching in the electrical heating alloys. An excellent research team and a complete test center. A new product development mode of joint research. A strict quality control system. An advanced production line.

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF；
Accepted Payment Currency: USD ,EUR ,JPY ,CAD ,AUD ,HKD, GBP, CNY, CHF;