Product Description

Cold coil is made of hot rolled coil at room temperature and below the recrystallization temperature, including plate and coil, of which the sheet delivered is called steel plate, also known as box plate or plate; the long length and delivered in coil is called steel strip, also known as coil plate.

Production process:
Due to no heating, there are no pitting and scale defects in hot rolling. The surface quality is good and the surface finish is high. Moreover, the dimension precision of cold rolled products is high, and the properties and structure of products can meet some special requirements, such as electromagnetic properties, deep drawing properties, etc.

Performance: mainly made of low carbon steel, with good cold bending and welding performance, as well as certain stamping performance.

SPCC is commonly used  cold rolled carbon steel sheet and steel strip.

SPCC Specification

Features of cold-rolled steel plate:
1, Cold rolled steel plate thickness more accurate, smooth surface, beautiful, but also has superior mechanical properties, especially machining performance.
2. The maximum thickness of cold-rolled steel plate is less than 0.1-- 8.0mm, such as the thickness of cold-rolled steel plate in most factories is less than 4.5mm;The minimum thickness and width are determined according to the equipment capacity and market demand of each plant.
3, cold rolled steel mill power, low rolling efficiency, and the rolling process in order to eliminate the work hardening have to carry out intermediate annealing, so the cost is higher, but cold rolled steel surface bright, good quality, can be used to process finished products, cold rolled steel is widely used.

Chemical Composition

SPCC Grade: C≦0.15; Mn≦0.60; P≦0.100; S≦0.035
SPCCT Grade: C≦0.15; Mn≦0.60; P≦0.100; S≦0.035
SPCD Grade: C≦0.10; Mn≦0.50; P≦0.040; S≦0.035
SPCE Grade: C≦0.08; Mn≦0.45; P≦0.030; S≦0.030
SPCF Grade: C≦0.06; Mn≦0.45; P≦0.030; S≦0.030
SPCG Grade: C≦0.02; Mn≦0.25; P≦0.020; S≦0.020

Mechanical Properties

Heat Treatment Code HRBS HV10
Annealed A – –
Annealed + Finishing S – –
1/8 hard 8 50~71 95~130
1/4 hard 4 65~80 115~150
1/2 hard 2 74~89 135~185
Full hard 1 ≥85 ≥170

Scope of Application

SPCC/SPCCT: Common & General Use; Characteristics: Suitable for bending processing and simple deep drawing processing, is the most demand varieties; Applications: Refrigerators, rails, switchboards, iron baskets and so on.

SPCD: Drawing & Stamping Use; Characteristics: Second only to SPCE, is the quality of the smaller deviation of the drawing steel plate; Applications: Automobile chassis, roof and so on.

SPCE/SPCF: Deep Drawing & Stamping Use; Characteristics: Grain is adjusted, deep drawing performance is excellent, after the stamping can get a beautiful surface. Applications: Car fender, rear side panels and so on.

SPCG: Extra-Deep Drawing & Stamping & Punching Use; Characteristics: Very low carbon cold rolled steel, excellent deep drawing processability. Applications: Car interior board, surface and so on.

Remarks: SPCCT is users specified the grade of SPCC which need to ensure that the tensile strength and extensibility of the species. SPCF, SPCG will need to ensure that there have non-aging (not due to the occurrence of tensile deformation of the property), after outside factory for 6 months – that is, SPCC, SPCD, SPCE if stored for a long time, will produce mechanical performance changes, especially to reduce the cold stamping performance, it should be used as soon as possible.SPCC series catalog need to make provision for hardness and surface in advance when ordering.