Smooth Trademark Precision Steel Bar Length 2500-5500mm Specification 6-400mm

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Model NO.: Steel Plate
• 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 precision steel bars are meticulously crafted to meet the demanding needs of construction steel structures. Ideal for welding, riveting, and bolted structures, they excel in ambient temperature environments.

TECHNOLOGICAL INFORMATION:

Crafted from fully killed steel, renowned for its superior weldability.

SEMI-FINISHED PRODUCTS:

Manufactured from fully killed steel; designed for exceptional weldability.

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