China's organic chemicals increased substantially in the first quarter

According to statistics, the cumulative ethylene production in China from January to March was 2.142 million tons, a year-on-year increase of 23.7%; the output of pure benzene was 842,000 tons, an increase of 19.2%; the refined methanol was 1.555 million tons, an increase of 18.4%; the glacial acetic acid was 372,000 tons, Increased 30.1%; Paints 659,000 tons, an increase of 25.5%; Construction coatings 296,000 tons, an increase of 22.8%; Ink 76,000 tons, an increase of 5.1%; Pigments 312,000 tons, an increase of 5.8%; dyes 305,000 tons, The year-on-year increase was 16.1%. The average growth rate of organic chemicals in the first quarter was 18.52%

Bright Steel Bar

BRIGHT STEEL BAR

Bright steel bar is carbon or alloy steel bar with shining bright surface which is improved by cold drawing, peeling, turning, grinding and polishing over hot rolled black surface bars. By cold drawing, the steel bar yield strength and tensile strength will be improved. By peeling and turning, the surface imperfections will be removed. By grinding, the diameter tolerance will be more precision. By polishing, the surface will be much more shining.

peeled steel bar processing

Except the shining bright surface, comparing with the hot rolled black surface bars, the bright steel bars has better surface roughness, better roundness, straightness, more precision size tolerance etc.

Heat treatment such as annealing, normalizing, quenching and tempering will be done before do cold finishing on the hot rolled bar to get bright steel bar, in such condition, the steel bright bar will get most suitable mechanical properties to meet different application requirement.

The advantages of steel bright bars we supply:

1) Big stocks of hot rolled round bars or wire rods as raw materials

2) Heat treating furnaces to adjust the mechanical properties

3) Full sets of testing equipment to test the sizes, mechanical properties and microstructure.

4) Multiple packages to avoid broken packages and anti-rusty

Diameter tolerance	+0/-0.02mm
Straightness	0.5mm/m
Surface roughness	0.4um
Roundness	80% of diameter tolerance
Diameter range	14mm to 100mm
Steel grade	Kinds of carbon steel and alloy steel
Length	Any length can be cut with precision tolerance

Bright Steel Bar,Bright Steel Round Bar,Steel Bright Bar,Bright Polished Steel Bar,Alloy Steel Bright Bar Manufacturer

SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdhighstrengthsteelbolts.com