Smooth Surface S235j2 Structural Steel Strip for Industrial Projects

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• 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
• Trademark: Smooth
• Origin: China
• HS Code: 7228400000
• Production Capacity: 5000ton/Month

Product Description

APPLICATION:

Our Smooth Surface S235j2 Structural Steel Strip is ideally suited for the creation of robust construction steel structures. Perfect for applications involving welding, riveting, and bolted structures, it performs exceptionally well under ambient temperature conditions.

TECHNOLOGICAL INFORMATION:

This product is crafted from fully killed steel, ensuring its weldability and reliability for industrial needs.

SEMI-FINISHED PRODUCTS:

We provide fully killed, weldable steel in semi-finished forms, ready to be adapted to various industrial applications.

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

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 samples

≥ 14

≥ 15

≥ 16

≥ 17

≥ 18

A80mm, %, transverse samples

≥ 12

≥ 13

≥ 14

≥ 15

≥ 16

Thickness, mm

3-40

> 40-63

> 63-100

> 100-150

> 150-250

A, %, longitudinal samples

≥ 22

≥ 21

≥ 20

≥ 18

≥17

A, %, transverse samples

≥ 20

≥ 19

≥ 18

≥ 18

≥ 17

Impact test at -20°C

Thickness, mm

> 10-400 27

KV, J

TECHNOLOGICAL TREATMENT PROCESSES:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	(1150 - 800)
	Rolling		+	(1150 - 800)
Treatment	Heat treatment	Quenching	-	-
		Tempering	-	-
	Precipitation strengthening	Supersaturation	-	-
		Ageing	-	-
	Annealing	Normalising	+	(890 - 920)
		Soft annealing	+	< 580
Thermochemical treatment	Carburising		-	-
	Other		-	-

INTERNATIONAL STEEL GRADES:

ISO		CEN		Russia
~E355-D	ISO 630:1995	S355J2G3	EN 10025:1993	~17GIS	GOST 19281 - 89
US		Japan		China
~A 706	ASTM A 706 - 00	~SM 490 A	JIS G 3106 1995	~16Mn	GB T 8164 - 93