Docol 420LA High Strength Low Alloy Steel (HSLA)-LENSER METAL GENERAL TRADING-L.L.C.

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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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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-

1. How to get samples to check the quality? How long can I get the samples?
After the price is confirmed, samples can be provided for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:The sample could can provide for customer with free,but the courier freight will be covered by customer account.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.

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Our purpose is to provide clients with quality products at a competitive price along with Expert Technical Support. Promoters and Managers have an engineering background with over a decade of experience in the Middle East as well as International Markets in product manufacturing, supply and executions.

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