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A193 B7/b7M/8/8M Stud Bolt

Supplier From China
Apr-18-12

High temperature and pressure series are well suited for service in extreme environments.
These materials are also effective against temperature and pressure services such as pressure vessels and flanges.
Property Class: ASTM A193 B7, B7M ,B8 ,B8M, B16; ASTM A320: L7, L7M; SH3404, HG20613, DIN975, HG20634,DIN267-T13
Diameter: M5 ~ M100 (10# ~4'')
Length: 6 ~6000mm
Material: Carbon Steel, Alloy Steel, Stainless Steel
Surface: Zinc Plate, Black Oxide, Hot Dip Zinc, Dacromet, Ni Zinc Nickel , P.T.F.E.


25kg/carton, 36carton/pallets.


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We are glad to propose 500 MT of stain less steel mill scale.
Mill scale is formed on the outer surfaces during by the hot rolling lamination of stainless-steel products.

At a visual inspection the material is a hard brittle sand and is mainly composed of iron oxides, mostly ferric, and is bluish black in colour, but it also contains considerable alloying elements such as chromium and nickel.

The recovery ratio after melting in furnace for the most valuable alloy elements is:
- Ni: 3.5 - 4.5%
- Cr: 6-8%


From the chemical and physical analysis performed on the scrap, and according to the European environmental rules, the material has been classified as a special non dangerous waste, listed in green list. In particular the mill scale can be classified as follows:

Waste code: 10 02 10

The material is stored on cemented flooring, and it can be loaded loose in tipper trucks or containers.

Chemical analysis of the material is available on request.
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Commodity: Sodium bicarbonate
Synonym: Baking Soda; Bicarbonate of soda; Sodium acid carbonate; Monosodium carbonate; Sodium hydrogen International CHEMTREC , carbonate; Carbonic acid monosodium salt
Molecular formula:NaHCO3
Molecule Weight:84.01
H.S code:28363000
CAS:144-55-8

Characteristics: White powder or tiny crystalls, nodorousand salty, easily soluble in water,insoluble in alcohol, presenting slightly alkalinity, decomposed when heating. Decomposed slowly when exposed to moist air.



Quality Standard
Item The National Standard
The Total Alkalinity Content(NaHCO3)% 99.0, 100.5
Loss on Dring% 0.20
PH Value(10g/1) Solution, 8.6
Arsentic Content% 0.0001
Heavy Metal Content, 0.0005
Ammonium Salt pass
Clearness pass

Uses: food fermentation, feed addive, detergent ingredient, carbon dioxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat-treating, fiber and rubber industry, etc.

Packing:25kgs or 50kgs plastic woven bags lined with one layer polythene bag.
(We can meet with all your demands according with your need.)
Oct-13-16
 
Standard
Stud bolts astm a193 b7

Grade
B7

Size
1/2''-3''

Surface treament
Black, zinc plated, zinc (yellow) plated, h.D.G. Etc.

Material
Carbon steel, alloy steel , stainless steel, etc

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