Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

B 30 72C

Favorite Datasheet
B 30 70C B 30 7A
#307

Description

USA SAE B 30 (2012), B 30 72C Specialsteel Standard Specification for Copper Alloys in Ingot Form and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 30 72C
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 30 72C Precipitation-Hardening SAE USA Standard Specification for Copper Alloys in Ingot Form

Chemical composition(mass fraction)(wt.%) of the B 30 72C

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.15 ≤1.00 3.75 -4.75 ≤0.045 ≤0.03 9.00 -10.50 19.00 -22.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade B 30 72C

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
784 (≥) 743 (≥) 12 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade B 30 72C

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.22 -  
776 251 - 11.3 222   -  
259 - 13 34.2   114 412

Heat Treatment of steel grade B 30 72C

Heat treated : 1525°C - 1971°C

Technological Curves of steel grade B 30 72C

Cross Reference Table (Equivalent Grade) of B 30 72C

Grade Standard Country Application
1.4307
1.2307
307
K30736
K30736
AWS E307
UNS W30710
AWS ER307
UNS S30780
T11307
T11307
1.2307
1.2307
1.4307
1.4307

Relevant standard of B 30 72C

B 30 (2012) Standard Specification for Copper Alloys in Ingot Form B-30-(2012).pdf
B 30 70C B 30 7A
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this B 30 72C?
  • List your company on S&G now? Join
  • Non-paying users only
Top