【Stainless steel composite pipe - stainless steel g】
Date:2009-9-20 14:41:31

First, steel (including steel) classification:
 

 

1, according to the thickness of classification: (1) plate (2) board (3) plate (4) The special plate
 

2, according to classification of production methods: (1) hot-rolled steel plate (2) cold-rolled steel plate
 

3, according to classification of surface features: (1) Galvanized (hot galvanized plate, zinc plate) (2) tin-plate (3) steel sheet (4) Color
Coated steel
 

4, by end-use categories: (1) bridge plate (2) boiler plate (3) Shipbuilding steel (4) The armor plate (5) car plate (6)
Roof plate (7) structural steel (8) electrical steel (silicon) (9) spring plate (10) Other
Second, the general structural and mechanical steel grades commonly found in Japan
 

1, the Japanese steel (JIS series) grades of structural steel in general is composed of three parts by the first part of that material, such as: S
(Steel) that the steel, F (Ferrum), said iron; the second part of said different shapes, types and uses, such as P (Plate)
Said board, T (Tube), said pipe, K (Kogu), said tool; characteristics of the third part of that figure, the lowest tensile strength in general.
Such as: SS400 - the first S said steel (Steel), the second S said "structural" (Structure), 400 for the lower limit of tensile Strength of 400MPa, the overall tensile strength of 400MPa that ordinary structural steel.
 

2, SPHC - the first S is an acronym for Steel Steel, P for plate Plate acronym, H for Hot Heat acronym, C for commercial
An acronym for Commercial, said the overall general use of hot-rolled steel sheet and strip.
 

3, SPHD - that the press and the use of hot-rolled strip steel.
 

4, SPHE - that the deep-drawing of hot-rolled steel sheet and strip used.
 

5, SPCC - that the general use of cold-rolled carbon steel sheet and strip, which is equivalent to Q195-215A Brand China. The third letter C for the cold
Cold abbreviation. Tensile tests need to ensure, in the grade at the end of T to increase SPCCT.
 

6, SPCD - that the press with cold-rolled carbon steel sheet and strip, which is equivalent to the Chinese 08AL (13237) high quality carbon structural steel.
 

7, SPCE - that with deep-drawing cold-rolled carbon steel and steel plate, which is equivalent to the Chinese 08AL (5213) Deep Drawing Steel. When the need to ensure non -
Effectiveness, the increase in grades at the end of N for SPCEN. Cold-rolled carbon steel plate and quenched and tempered steel Code: annealed state for A, the standard quenched and tempered for
S, 1 / 8 hard for 8,1 / 4 hardware for the 4,1 / 2 hard 2, hard to 1. Surface processing code: Matte Finishing for the D, Bright Finishing for B.
Such as SPCC-SD, said the standard quenched and tempered, Matte Finishing the general use of cold-rolled carbon sheet. Another example is that the standard SPCCT-SB quenched and tempered, light
Light processing, and sought assurances that the mechanical properties of carbon cold-rolled sheet metal.
 

8, JIS grade steel for mechanical structure that the methods are:
S + +-letter code carbon (C, CK), in which carbon × 100 with the median indicated that the letter C: that the carbon K: said carburizing with
Steel. Such as carbon S20C coil binding for its carbon content of 0.18-0.23%.