Follow us:-

GB/T 3077 38CrSi round bars

  • 76 Views
  • 11-May-2024

38CrSi alloy structural steel under GB/T 3077 chinese standard, belongs to a high strength steel.

GB/T 3077 38CrSi round bar

GB/T 3077 38CrSi can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan KUNFENG can supply GB/T 3077 38CrSi all of shapes.

can be used for axle,principal axis and some percussion tools which requires high strength and abrasion resistance.

According to the market needs, henan KUNFENG supply the oversea markets for GB/T 3077 38CrSi hot rolled round bars OD 6mm -80 mm and 20MnV forged round bars OD 80 mm - 1200 mm, also GB/T 3077 38CrSi forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3mm and length tolerance is about 0-20 mm.

are usually produced under the followed procedures: EAF arc furnace + LF purify affinage + VDF + ingot steel(bottom gating /argon) + forged + annealing + black polishing (turnery) + GB/T6402-92 ΙΙ UT test + smooth edges with sawing .

chemical composition by %,maximum:


Grade

C

Si

Mn

Cr

Ni

Cu

P

S

GB/T 3077 38CrSi

0.35-0.43

1.0-1.3

0.3-0.6

1.3-1.6

≤0.03

≤0.03

≤0.035

≤0.035

mechanical properties


Grade

Delivery State

T.S.
N/mm2
Min

Y.S.
N/mm2
Min

A,%
Min

Z,%
Min

Hardness,
(annealing or tempering) HB,max

Forging ratio

Grain Size
(level)

Nonmetal ratio

GB/T 3077 38CrSi

Hot rolled, forged, or heat treatment

960

840

12

50

255

≥ 4:1

≥ 6

≤ 2.0

If you need GB/T 3077 38CrSi alloy steel , or other grades,pls be free to contact us -- KUNFENG STEEL.

Tags: 38CrMoAl, 25Cr2MoV, 20SiMn2MoV

Related Post

EN10025-4 S355ML carbon and low alloy steel plate

EN10025-4 S355ML steel belong to carbon and low alloy steel plate. KUNFENG can guarantee the quality of EN10025-4 S355ML carbon and low alloy steel plate we can supply owing to rich experience in EN10025-4 S355ML carbon and low alloy steel.

Square steel

Square Steel is designed to protect the Impact Crusher outer casing, thus improves the working life.

NK FH40 shipbuilding steel plate

The NK FH40 shipbuilding steel plates have yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa).All of NK FH40 shipbuilding steel plates have been engineered to be optimal long-lived shipbuilding steel

GB713 Q245R Pressure Vessel Boiler Steel Plate

GB713 Q245R Steel Plate as our main steel ,we are experience on supplying GB713 Q245R Pressure Vessel Boiler Steel Plate. Our aim is to provide you with high quality products and good after-sales service of GB713 Q245R Plates.