Name: Docol 420LA High Strength Low Alloy Steel (HSLA)
SKU: 0

Docol 420LA High Strength Low Alloy Steel (HSLA)

Docol 420LA steel is a high-strength low-alloy steel, which can be supplied as hot-rolled steel and cold-rolled steel. It is supplied with S420MC based on EN 10149-2:2010 standard.

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Product Description

The main alloying elements of HSLA steel include carbon, manganese, molybdenum, chromium and nickel. The nickel varies according to different HSLA steel grades. The proportion and ratio of these elements all play a crucial role in the performance of HSLA steel. Docol 420LA HSLA improves strength while maintaining good toughness, giving it superior performance in withstanding impact and tensile stress. Besides, HSLA steel has lower alloying element content, which is beneficial to the implementation of welding processes. Through reasonable control of alloying element content, HSLA steel can have a certain corrosion resistance, suitable for engineering structures in corrosive environments. Lastly, Docol 420LA HSLA has good plasticity and malleability, which is conducive to the implementation of various forming processes and reduces manufacturing costs.

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 CR420LA	VDA239- 100:2016	GI, GA*, ZA	L	420-520	480-600	17	1.0xt
Docol HR420LA	VDA239- 100:2016	UC, Cam tho	L	420-520	480-600	18	UC 0.5xt bottleGI 1.0xt

Chemical Composition

Steel Grade	Plating	C (max %)	Si (max %)	Mn(max %)	P (max %)	S(max %)	Al( min%)	Ti(max%)	Nb(max %)	Cu(max %)
Docol CR420LA	GI,GA,ZA	0.12	0.50	1.65	0.30	0.025	0.015	0.015	0.10	0.20
Docol HR420LA	UC	0.12	0.50	1.60	0.30	0.025	0.015	0.015	0.09	0.20
Docol HR420LA	GI	0.12	0.50	1.60	0.30	0.025	0.015	0.015	0.10	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
GA	40/40	VDA239-100	40-60	5.6-8.5
GA	50/50	VDA239-100	50-80	7.0-11.3
ZA	95	As required		7-
ZA	130	As required		10-

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.

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Docol 420LA High Strength Low Alloy Steel (HSLA)

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