Cold-rolled SPCC is a brand that everyone is familiar with. It is often labeled as 'cold-rolled plate', 'general use', 'bulk goods', etc.
However, friends may not know that the SPCC standard also includes "1/2 hard", "annealed only", "pitted or smooth" and other doorways. As for questions like "What is the difference between SPCC S D and SPCCT?", you may be even more confused.
We still say that in the steel trade, "if you buy the wrong thing, you will lose money." Today, let us ask the experts to explain it in detail.
SPCC brand traceability
The brand SPCC is derived from JIS, which is the abbreviation of Japanese Industrial Standards, that is, "Japanese Industrial Standards". (Ordinary structural steel in Japanese steel (JIS series) grades is mainly composed of three parts. The first part indicates the material, such as: S (Steel) indicates steel, F (Ferrum) indicates iron; the second part indicates different shapes, types, and uses. , such as P (Plate) represents the plate, T (Tube) represents the tube, and K (Kogu) represents the tool; the third part represents the characteristic number, usually the minimum tensile strength. Such as: SS400 - the first S represents steel (Steel ), the second S represents "Structure", 400 is the lower limit tensile strength of 400MPa, and the overall represents ordinary structural steel with a tensile strength of 400MPa.)
SPCC is included in JIS G 3141. The name of this standard number is "Cold-rolled Steel Plate and Steel Strip", which includes five grades: SPCC, SPCD, SPCE, SPCF, SPCG, etc., which are suitable for different application requirements.
Different tempering degrees of SPCC
We often say that a trademark cannot exist alone. The complete explanation is the standard number + trademark + suffix.
Of course, this principle is also common to SPCC. Different suffixes in the JIS standard represent different products, the most important of which is the tempering code.
Modulation degree code
A - Annealing only
S--Standard tempering degree
8--1/8 hard
4--1/4 hard
2--1/2 hard
1--hard
