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Pickling stainless steel angle steel
Strong Strength, High-Quality Products

Pickling stainless steel angle steel advantage

1、Through pickling the stainless steel surface has an average of 10um thick layer of surface is corroded off, the chemical activity of the acid makes the dissolution rate of the defective parts is higher than other parts on the surface, so pickling can make the whole surface tends to be uniform balance, some of the original easy to cause corrosion hidden dangers are removed.

2、Through pickling passivation, iron and iron oxides are dissolved in priority than chromium and chromium oxides, the chrome-poor layer is removed, and the surface of stainless steel is chrome-rich. Under the action of oxidizer passivation, the surface of stainless steel produces a complete and stable passivation film. The potential of this chrome-rich passivation film can reach +1.0V(SCE), which is close to the potential of precious metals, improving the corrosion stability of stainless steel.

Why pickling

During The process of manufacturing stainless steel pipes, after welding stainless steel coil, the weld will has seam and the surface of stainless steel will have oil pollution, oxide scale, welding spots etc., So we need to pickling these things. Pickling stainless steel pipes is the necessary process which is improtant to form and sale the stainless steel pipes.

Pickling stainless steel angle steel chemical composition

Chemical Material Composition of SS 304 
Grade Mn C P Si Cr S Ni Mo N
Stainless Steel 304  minimum 18 8
maximum 2 0.08 0.045 0.75 20 0.03 10.5 0.1

Pickling stainless steel angle steel mechanical property

Grade Strength of Yield 0.2% Proof (MPa) minimum Elongation (% in 50mm) minimum Strength of Tensile (MPa) minimum Pipes Hardness
Brinell (HB) maximum Rockwell B (HR B) maximum
Stainless Steel 304 Seamless Pipe 205 40 515 201 92

Pickling stainless steel angle steel specification

ITEM

Pickling stainless steel angle steel

Size

Thickness:3-24mm; Length:3m,6m,9m,12m, or customized

Tolerance

Weight tolarance: -4% TO -10%;Width +/-0.8mm;Thickness +/-0.4mm;Length:4-12mm

Brand

RONSCO,BAOSTEEL, JISCO, TISCO, etc.

Equal Angle

Type: 2#-20#;Size: 20-200mm;Thickness: 3.0-24mm; Weight: 0.597-71.168kg/m

Unequal
Angle

Type: 2.5*1.6-20*12.5#;Size:25*16-200*125mm;Long Side: 25-200mm
Short Side: 16-125mm;Thickness: 3.0-18mm;Weight: 1.687-43.588kg/m

Material

201.202.301.302.304.304L.310S.316.316L.321.347,329,309S.2205.2507.2520.

430.410.440.904Lect. Or Customized

Standard

GB, AISI, ASTM, ASME, EN, BS, DIN, JIS

Surface

Mill finish. Galvanized.Forged.Hot Rolled.Cold Drawn.Peeled or customized

Trade Term

FOB CIF CFR CNF EXWORK

Application

widely used in a variety of architectural and enginee
ring structures,such as
a.) beams, bridges, ship;
b.) transmission tower, reaction tower;
c.) lifting transportation machinery;
d.) industrial furnace;
e.)container frame, warehouse goods shelves, etc

Package

Standard export sea-worthy packing or customized

Lead Time

3-15 days after deposit

Payment

TT/LC

Sample

we could offer the sample for free charge but do not pay the cost of freight.

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Application

Our steel products are mainly used in chemical industry, petrochemical industry, offshore, seawater pipeline, desalination plant, nuclear engineering, paper and pulp industry.

Oil and GasKuwait is a country of petroleum resources with abundant, oil factory also is very broad, respectively, the oil plant are mainly used for refining oil and oil processing.
MarineSubmarine pipelines carry such things as domestic water, waste water, electrical lines, gas lines, communication lines, and outfall or intake systems.
ConstructionBridge materials with high strength, low cost for selecting the main basis, give priority to with development of the traditional steel and concrete.
EnergyEngineering is mainly aiming at the water pollution and solid waste pollution. using the steel pipe to filtrate in order to improve the quality of water.

Our export country

We are a well known worldwide supply and export stainless steel angle in following countries:,Italy, Philippines, France,Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.