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stainless steel capillary tube annealing treatment

Posted on Wed, 12 Jul 2017 03:29:27 +0000

Stainless steel capillary at the annealing tube temperature is to reach a certain temperature. 1, stainless steel capillary at the annealing tube temperature is to reach a certain temperature. Stainless steel heat treatment is generally accepted solution heat treatment, popular talk is "anne...

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304l stainless steel tube factory supply price

Posted on Tue, 11 Jul 2017 05:42:44 +0000

304L stainless steel chemical chemical composition% C: ≤ 0.03, Si: ≤ 1.0, Mn: ≤ 2.0, Cr: 17.0 ~ 19.0, Ni: 8.0 ~ 11.0, S: ≤0.03, P: ≤0.035. 304 stainless steel Chemical composition C≤0.08 Si≤1.00 Mn ≤2.00 P≤0.05 S≤0.03 Cr 18.00-20.00 Ni (nickel) 8.00 ~ 10.50 – 304 stainless steel and 304L s...

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304 stainless steel sanitary tube in China supplier

Posted on Mon, 10 Jul 2017 06:38:14 +0000

Stainless steel is less containing 50% iron and 10.5% chromium, and also added such as nickel, titanium, molybdenum, etc., according to the different composition of the suspension, the metal within the different microstructure, which is martensitic, Body type, austenite type, biphasic, precipitat...

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hot sale 316 stainless steel tube prices

Posted on Fri, 07 Jul 2017 04:03:21 +0000

316 stainless steel materials generally do not have pipe material, this thing with less, unlike ordinary steel pipe can be prepared, the other 316 stainless steel tube prices are high, so are generally custom. Although the 316 is divided into the national standard 316L and American Standard TP31...

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welding problems and measures of stainless steel-4

Posted on Thu, 06 Jul 2017 05:25:04 +0000

4. Welding hot cracking (weld crystal crack, heat affected zone liquefaction cracking) Thermal cracking sensitivity depends primarily on the chemical composition, organization and properties of the material. Ni and S, P and other impurities to form low melting compounds or eutectic, boron, silico...

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stainless steel welding problems and measures 2-3

Posted on Wed, 05 Jul 2017 06:42:23 +0000

Austenitic stainless steel in the welding characteristics: the welding process of the bomb, plastic stress and strain is very large, but rarely cold cracks. Weld joints do not exist hardened hardening zone and grain coarsening, so the weld tensile strength is high. Austenitic stainless steel wel...

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precipitation of stainless steel punching net

Posted on Tue, 04 Jul 2017 07:28:10 +0000

We should not pay attention to the processing of stainless steel punching net products, the product processing area should be relatively fixed. Stainless steel perforated mesh processing area of ​​the platform should be taken to isolate, such as covered with rubber pads and so on. Stainless steel...

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welding problems and measures of stainless steel -1-(2)

Posted on Mon, 03 Jul 2017 06:00:40 +0000

Welded joints of the knife-like corrosion Precautions: Due to the strong diffusion of carbon, in the cooling process will be segregated in the grain boundary to form a supersaturated state, and Ti, Nb due to low diffusion capacity and stay in the crystal. When the welded joint is heated again in ...

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Analysis and Measures of Welding Problem of Stainless Steel -1-(1)

Posted on Fri, 30 Jun 2017 06:08:58 +0000

1. The formation of chromium carbide reduces the resistance to intergranular corrosion of welded joints. Intergranular corrosion: According to the theory of poor chromium, welds and heat affected zone in the heating to 450-850 ℃ sensitized temperature zone in the grain boundary precipitation of c...

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square tube stainless steel specifications

Posted on Thu, 29 Jun 2017 06:15:33 +0000

Stainless steel square tube is a hollow long steel, because the section is square so called square tube. A large number of pipes used for conveying fluids, such as oil, natural gas, water, gas, steam, etc., in addition to bending, torsion strength of the same, the lighter weight, it is also widel...

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304 stainless steel square tube performance

Posted on Wed, 28 Jun 2017 06:05:01 +0000

Stainless steel square tube is a hollow long steel, because the section is square so called square tube. A large number of pipes used for conveying fluids, such as oil, natural gas, water, gas, steam, etc., in addition to bending, torsion strength of the same, the lighter weight, it is also wide...

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the price of rebar in China

Posted on Tue, 27 Jun 2017 04:06:25 +0000

The price change of rebar is mainly affected by three factors: First, the cost of production, but the relationship between supply and demand, the third is speculative factors. Factors affecting production costs include raw material costs and energy costs. The factors that affect the relationship ...

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