Japanese standard alloy steel brand material number 1.77 1 1 brand 40CrMoV4 7

Product name: steel for high temperature bolts

● Steel grade: 40CrMoV47

● Iron and Steel Group Series: CrMoV

● Code: 1.7 1 1

● Implementation standard: DIN 17240: 1976.

● Delivery status: hot rolling or annealing, and the specific delivery status shall be indicated in the warranty.

● Steel mills: imported, Great Wall Special Steel, Northeast Special Steel, Chongqing Special Steel, etc.

Low ●40CrMoV47 finished product analysis range value:

Note: The actual chemical composition shall be subject to the warranty of the steel mill.

C: 0.36-0.44

Si:0. 15-0.35

Manganese: 0.35-0.85

P:≤0.030

S:≤0.035

Cr:0.90- 1.20

Mo: 0.60-0.75

V: 0.25-0.35

Low ●40CrMoV47 mechanical performance range value:

Note: The diameter or thickness is below 100 mm. ..

Tensile strength σ b (MPa) of 40CrMoV47: 850-1000.

40CrMoV47 yield strength σ 0.2 (MPa): ≥ 700.

Section elongation δ 5 (%) of 40CrMoV47: ≥14.

40CrMoV47 area shrinkage ψ (%): ≥ 45

40CrMoV47 impact energy (J):≥4 1

●40CrMoV47 Purpose:

40CrMoV47 is used for manufacturing bolts, studs, nuts, washing equipment, nuclear reactors and other purposes.