Tableware
Description
Hot Rolled 4 Inch Stainless Steel Seamless Pipe , Seamless Steel Tube
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Specifications:
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Purpose of pickling
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Get ride of Oxide layer formed on the surface of the surface;
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Passivation of stainless steel surface, giving the steel plate corrosion resistance
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Technical?Parameter?for?Seamless?Pipe | Tensile?Strength | 520-530Mpa |
Yield?Strength?0.2% | 205?-?225 |
Elongation?% | 35?-?38 |
Corrosion?test | ACCEPTABLE |
Flaring | ACCEPTABLE |
Hydraulic | ACCEPTABLE |
Eddy?Current | ACCEPTABLE |
PMI | ACCRPTABLE |
Surface | Acid?wash,?annealing |
Ends | Beveled?and?Caps |
Packing | Woven?bags | ?About?2ton?for?each?bundle |
Dimension | OD?Size | 6mm?-?630mm |
Thickness | 0.5mm?-?25mm |
Length | 5?-?5.8m,?6m,double?random?length |
Certificate | ISO/SGS/BV/Lloyd/ABS/CCS/RINA/GL/DNV |
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Description:
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1 oxidation layer characteristics
(1) pipe surface form scale after high temperature hot rolling, formation again after furnace or BAF, formation of oxides can be roughly divided into three layers:
Out layer(Fe2 O3 ﹑ Fe3 O4)；
Middle layer(FeO)；
Intermediate layer (FeO);
The inner layer (FeO/Cr2O3, or FeO/Cr2O3/NiO), of course, is also critical for acid cleaning between oxide layer and substrate.
(2) there is a great relationship between the structure of Scale and the content of O2 in furnace, and the content of O2 is different from that of scale.
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Applications:
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Used?in?industries?as?chemical?engineering,?petroleum,?medicine,?food,?energy,?nuclear?power,?aerospace,?
environmental?protection,?boiler,?gas,?war?industry,?machinery,?ship?building?and?so?on.?
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Competitive?Advantage:
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Our?factory?is?near?to?raw?material?market?and?high-speed?way,??the?producing?cost?is?low.
Our?factory?have?long?history?for?producing?stainless?steel?seamless?pipe,both?producing?and?testing?
machine?is?advanced?and?perfect.
Our?factory?was?certificated?by?BV/ISO/LR/RINA/CCS/GL/ABS/DNV,?which?can?improve?the?quality.
We?participated?in?many?famous?projects?with?our?pipes.?
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Stainless?Steel Pipe Pickling and Anealing
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SHANGHAI IRON AND STEEL CO.,LTD.
Steel Plate Pipe,Seamless Stainless Steel Pipe,Seamless Carbon Steel Pipe
Address: No. 208, Lane 1188,Zhuguang Rd,Shanghai City,China 201702,
Wenzhou, Zhejiang
China, 325000
Tel: 86-21-59780067
Fax: 86-21-59780752
