Smooth Alloy Steel Round Bar for Quality Industrial Applications

• 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 unmatched Robust S235j2 Structural Steel Rod is the quintessential choice for any construction steel structure. Its superior design makes it ideal for welding, riveting, and bolted assemblies, ensuring peak performance even at ambient temperatures. Experience reliability and strength with every application.

TECHNOLOGICAL INFORMATION:

Crafted with precision, our steel is fully killed and weldable, delivering unparalleled quality and performance. Trust in our steel for exceptional reliability across all your industrial needs, ensuring the highest standards of excellence.

SEMI-FINISHED PRODUCTS:

Our semi-finished offerings showcase fully killed, weldable steel, setting the cornerstone for your durable and resilient construction projects. Build with confidence on a foundation of robust quality.

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