310s stainless steel flat bar
310s stainless steel flat bar is rectangular steel with a slight edge. Stainless steel flat steel can be semi-finished steel. There are cold drawn polished stainless steel flat steel and hot rolled acid white sand blasting stainless steel flat steel.
310s stainless steel flat bar can be composed of various stress members according to the different needs of the structure, and also can be used as the connection between members. Widely used in a variety of building structures and engineering structures, such as beams, Bridges, transmission towers, lifting transport machinery, ships, industrial furnaces, reaction towers, container shelves and warehouse shelves.
(1) composition index: the chemical composition of stainless steel flat steel belongs to the rolling steel series for general structure, and the main inspection indexes are C, Mn, P and S. According to different brands, the content varies, and the approximate range is C<0.08%, Mn: 2.0, P<0.035%, S<0.03%.
(2) inspection method: to test the chemical composition, the standard test methods are GB223, JISG1211-1215, BS1837, BS manual 19, Г О С Т 22536 etc.
The standard specifications
GB/T2101 -- 89 (general requirements for acceptance, packaging, marking and quality certificate of shaped steel);
GB9787 -- 88/GB9788 -- 88 (hot rolled size, shape, weight and allowable deviation);
JISG3192 -- 94 (shape, size, weight and tolerance of hot rolled sections);
DIN17100 -- 80 (quality standard for general structural steel);
According to the above standards, the delivery should be in bundles, the number of bundles and the length of bundles should meet the requirements. Generally naked delivery, transport and storage should pay attention to moisture.
Mechanical properties of
(1) inspection method:Tensile test method. Commonly used with GB/T228-87 standard test methods, JISZ2201, JISZ2241, ASTMA370, Г О С Т 1497, BS18, DIN50145, etc.;
(2) bending test method. Standard test methods with GB/T232-88, JISZ2204, JISZ2248, ASTME290, Г О С Т 14019, DIN50111, etc.
(3) performance indicators: tensile test and bending test are the main test items for performance assessment.
Flat stainless steel is used as bridge, building frame, fence, transmission ship, vehicle and so on. The raw material for the production of stainless steel flat billets is low-carbon square billets, and the finished stainless steel flat steels are delivered in hot rolling, cold rolling or hot rolling state. During the transaction, the contract and other documents should be filled in the width and thickness of the stainless steel flat steel, and other major technological matters, such as annealing, solid solution, etc.
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