Grade of material

Processing methode

Delivery State

Specification

MM

Standard

 TA1, TA2, TA3

Gr1, Gr2, Gr3, Gr5

hot forged

hot extrusion

hot rolled

 Hot working state

 Φ8~200 x L

TA5 ,TA6 ,TA7,

R

TA9, TA10, TB2

ASTM B348

ASTM F67

ASTM F136

Φ15~80 x L

hot forged + polished

Cold working state

hot extrusion + polished

hot rolled + Polished

Φ8~24 x L

TC1.TC2.TC3.TC4

TC6.TC9.TC10.

Cold rolled

Annealed

M

TC11.

Cold drawing

TC12.

State

Diameter

mm

Longitudinal, transverse room-temperature Mechanical properties

σb

Mpa(ksi)

σ0.2

Mpa(ksi)

δ40%

ψ%

Longitudinal

transverse

Longitudinal

transverse

annealing

≤44.45

862

793

10

25

44.45-63.5

827

758

8

8

20

15

63.5-101.6

827

758

8

8

15

15