GB/T 8731 Y35 Steel — Specifications & Listings

GB/T 8731

Y35 is a free-cutting carbon steel designed for improved machinability and productivity in automatic machining operations. Sulfur additions enhance chip breaking and reduce tool wear.

Category: Free Machining Steel

Grade Details

Grade	GB/T 8731 Y35
Standard	GB/T 8731
Description	Y35 is a free-cutting carbon steel designed for improved machinability and productivity in automatic machining operations. Sulfur additions enhance chip breaking and reduce tool wear.
Applications	Used for screws, nuts, fittings, precision turned parts, bushings, and automatic lathe components.

Chemical Composition (%)

C	Si	Mn	S	P
0.32-0.39	0.15 max	0.70-1.00	0.20-0.35	0.07-0.12

Mechanical Properties

tensile_strength	520-680 MPa
yield_strength	315-420 MPa
elongation	10-16%
hardness	140-190 HB

Active GB/T 8731 Y35 Listings on M-EX

No active GB/T 8731 Y35 listings at this time.