Quality Spring Steel Material for Heavy-Duty Structural Use

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Quality Spring Steel Material for Heavy-Duty Structural Use

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Product Description

Basic Info.

Model NO.

Round bar

Composition

Ferrous Steel Scrap

Technique

Forged

Shape

Bar

Surface Treatment

Black or as Required

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Tool Steel Bar

Length

2500-5500mm

Transport Package

N/M

Specification

6-400mm

Origin

China

HS Code

7228400000

Production Capacity

5000ton/Month

Product Description

APPLICATION:

For the pinnacle of construction excellence, trust our Robust S235j2 Structural Steel Rod. This extraordinary product is meticulously crafted for construction steel structures, offering phenomenal performance in welding, riveting, and bolted assemblies. Designed to withstand and excel at ambient temperatures, our steel rod is your go-to choice for reliability and strength.

TECHNOLOGICAL INFORMATION:

We provide steel that is fully killed and superbly weldable, embodying top-tier quality and dependability to meet and exceed all your industrial demands with confidence.

SEMI-FINISHED PRODUCTS:

Our semi-finished products are the epitome of excellence, featuring fully killed, weldable steel that lays the groundwork for your robust and enduring construction projects. Trust in our material to be the cornerstone of your architectural success.

CHEMICAL COMPOSITION:

C	Mn	Si	P	S	Cr	Ni	Mo	V	Nb	Ti	Al	Cu
Max 0,20	Max 1,60	Max 0,55	Max 0,025	Max 0,025	-	-	-	-	-	-	-	Max 0,55

MECHANICAL PROPERTIES:

Effect of the cross-section on mechanical properties

Ultimate tensile strength

Thickness, mm

< 3

> 3-100

> 100-150

> 150-250

Rm, MPa

510-680

470-630

450-600

Yield stress

Thickness, mm

≤ 16

> 16-40

> 40-63

> 63-80

> 80-100

> 100-150

> 150-200

> 200-250

Re, MPa

≥ 355

≥ 345

≥ 335

≥ 325

≥ 315

≥ 295

≥ 285

≥ 275

Elongation

Thickness, mm

≤ 1

> 1-1.5

> 1.5-2

> 2-2.5

> 2.5-3

A80mm, %, longitudinal

≥ 14

≥ 15

≥ 16

≥ 17

≥ 18

Thickness, mm

3-40

> 40-63

> 63-100

> 100-150

> 150-250

A, %, longitudinal

≥ 22

≥ 21

≥ 20

≥ 18

≥ 17

TECHNOLOGICAL TREATMENT PROCESSES:

Process			Possible application	Temperature, °C
Hot forming	Forging		+	(1150 - 800)
Hot forming	Rolling		+	(1150 - 800)
Treatment	Annealing	Normalising	+	(890 - 920)
Treatment	Annealing	Soft annealing	+	< 580

INTERNATIONAL STEEL GRADES:

ISO		CEN		Russia
~E355-D	ISO 630	S355J2G3	EN 10025	~17GIS	GOST 19281
US		Japan		China
~A 706	ASTM A 706	~SM 490 A	JIS G 3106	~16Mn	GB T 8164

Frequently Asked Questions

What are the main applications for the S235j2 structural steel rod?

It is primarily used for construction steel structures, performing exceptionally well in welding, riveting, and bolted assemblies.

What is the manufacturing technique used for this product?

The round bar is manufactured using a forging technique, ensuring high strength and durability.

What size ranges are available for this round bar?

The product is available in specifications ranging from 6mm to 400mm in diameter, with lengths between 2500-5500mm.

Can this steel be used for high-strength requirements?

Yes, it is suitable for high-strength steel plate applications, wear-resistant steel, and mold steel needs.

What surface treatments are provided?

The standard surface treatment is black, but other treatments can be applied as required by the customer.

What international standards does this steel grade meet?

It is equivalent to ISO 630 (~E355-D), CEN EN 10025 (S355J2G3), ASTM A 706 in the US, and GB/T 8164 (~16Mn) in China.

Product Detail

Quality Spring Steel Material for Heavy-Duty Structural Use

Product Description

Basic Info.