High Strength Low Alloy Steel

Docol 600LA High Strength Low Alloy Steel (HSLA)

Docol 600LA High Strength Low Alloy Steel (HSLA) DescriptionDocol 600LA HSLA has higher yield strength and tensile strength than other kinds of HSLA, giving it superior performance in withstanding impact and tensile stress. Besides, Docol 600LA HSLA steel has lower alloying element content,

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Docol 600LA High Strength Low Alloy Steel (HSLA) Description

Docol 600LA HSLA has higher yield strength and tensile strength than other kinds of HSLA, giving it superior performance in withstanding impact and tensile stress. Besides, Docol 600LA HSLA steel has lower alloying element content, which is beneficial to the implementation of welding processes. Its good plasticity and malleability are conducive to the implementation of various forming processes and reduce manufacturing costs. In machinery manufacturing industry, Docol 600LA HSLA is commonly used to manufacture heavy machinery, construction machinery, petrochemical equipment, etc., to improve the efficiency and service life of the equipment. Besides, the steel is widely adopted in the field of energy engineering for nuclear power plants, thermal power plants, wind power generation, etc., to ensure the reliable operation of equipment.

Mechanical Properties

Steel Grade

Standard

Plating

Test Direction

Yield Strength Rp0.2 (MPa)

Tensile Strength Rm (MPa)

Extension Rate A80( min%)

Minimum Bend Inner Diameter for 90 ° Bend

Docol HR

600LA

SSAB

600-730

650-820

1.1xt

Chemical Composition

Steel Grade

Plating

(max %)

( min%)

(max%)

(max %)

Docol HR

600LA

0.12

0.60

1.90

0.025

0.010

0.015

0.15

0.09

0.20

Plating

Plating Type	Plating Grade	Standard	Single-sided coating quality, single-point test (g/m2）	Single side thickness, for reference only(μm)
GI	40/40	VDA239-100	40-60	5.6-8.5
GI	50/50	VDA239-100	50-70	7.0-9.9
GI	60/60	VDA239-100	60-90	8.5-12.7
GI	70/70	VDA239-100	70-100	9.9-14.1
GI	85/85	VDA239-100	85-115	12.0-16.2
GI	115/115	VDA239-100	115-155	16.2-21.8

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