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1b chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1b

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STAS/SR 1b

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This page is mainly introduced the 1b chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1b,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1b

Steel Garde:1b
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Relevant products:

410 Stainless Steel Flat bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
BW1B		UK
AISI 501B	AISI	USA
51B40	AS	Australia
XK51B60S	AS	Australia
K51B60HS	AS	Australia
SBV1B	CNS	China
XH51BMTЮ/KΦK-BД	ГОСТ	Russia
XH51BMTЮKΦP(ЭП220)	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	635～510	σb/MPa
Yield Strength	736	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	756～964	-
HRC	30	-

Physical Properties

Thermal expansion	58-01	e-6/K
Thermal conductivity	17-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6132-7890	째C
Density	9364-8056	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
1b Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk