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B Application:Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy B STAS/SR Romania

Chemical composition % of the ladle analysis of grade B

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.21 Min 0.31 Min 0.80 0.050 0.050 0.30 Max 0.30 0.30
B
Mechanical properties of grade B
Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
612 (≥) 159 (≥) 23 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Physical properties of grade B
Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
583 (≥) 158 (≥) 31 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
216 562 887
B Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
0Cr19Ni10NbN STAS/SR Romania
Based on zero cr19ni9 plus N and Nb, with better than 0 cr19ni9 properties and USES
G3500b STAS/SR Romania
Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box
0Cr18Ni11Nb STAS/SR Romania
Heavy stainless acid resistant and heat resistant steel forgings
0Cr17Ni4Cu4Nb STAS/SR Romania
Stainless steel bars
0Cr15Ni25Ti2MoA1VB STAS/SR Romania
Heat-resisting steel sheets and plates
2Cr12MoVNbN STAS/SR Romania
Heat-resisting steel bars
2Cr11NiMoNbVN STAS/SR Romania
Steels of blade for steam turbine
S47450 STAS/SR Romania
Steels of blade for steam turbine
S47670 STAS/SR Romania
Steels of blade for steam turbine
302B STAS/SR Romania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 167 Type 302B STAS/SR Romania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 302B STAS/SR Romania
Stainless Steel Bars and Shapes
A 314 302B STAS/SR Romania
Stainless Steel Billets and Bars for Forging
A 473 302B STAS/SR Romania
Stainless Steel Forgings
A 580 Type 302B STAS/SR Romania
Stainless Steel Wire
A 959 Type 302B STAS/SR Romania
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SUS 302B STAS/SR Romania
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30215 STAS/SR Romania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215 STAS/SR Romania
Stainless Steel Bars and Shapes
A 314 S30215 STAS/SR Romania
Stainless Steel Billets and Bars for Forging

Relevant products

B Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
SA-437 Grade B4B/SUS 616 /422 Forged Bar Dia.160xL Round Bar Kgs 2120 Forged+QT Enquiry
Stainless Steel 422 / Alloy 422 AMS 5655 UNS S42200/616/B4B Round Bar Stock Select 0 Select Enquiry
1.2714 Hot-Work Mould Steel Flat Bar Stock(2019-09-03) Select 0 Select Enquiry
1.2714 Stock list 2020-06-15 Select 0 Select Enquiry
1.2714 QT Bar Stock List 2020-06-15 Select 0 Select Enquiry
B16 Round Bar Stock Select 0 Select Enquiry

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