Grade

Technology

Supply Status

Shape

Standard(mm)

Surface

Gr1

Gr2

hot extrusion,

stretching,

explode,

rolling

R

Y

BM

BR

Square

LTH×WTH×WT—CR

24×24×(1.5~2)—5

Hot crowded surface,

Cold surface,

Explosive composite annealing surface,

Explosive composite hot working surface

27×27×(1.5~2)—6.5

29×29×(1.5~2)—7.5

30×30×(1.5~2)—8

32×32×(1.5~2)—9

33×33×(1.5~2)—12.5

Rectangle

LTH×WTH×WT—CR

(35~40) ×(20~25) ×1.5—(2~3)

(40~50) ×(10~15) ×(1.0~1.5)—(2~3)

(40~50) ×(>15~40) ×(1.5~2.0)—(3~5)

(>50~80) ×(12~35) ×(1.5~2.0)—(3~5)

(>50~80) ×(35~40) ×(2.0~2.5)—(3~5)

(>80~100) ×(15~30) ×(1.5~2.0)—(3~8)

Rotundity

DIA×WT

(20~30) ×(1.0~1.5)

(>30~40) ×(1.0~2.0)

(>40~60) ×(1.5~2.5)

(>60~80) ×(2.0~3.0)

Cydariform

DIA×WT×HB

25×14×1.5

27×14×1.5

29×14×1.5

32×14×1.5

34×14×1.5

Compressiform

LTH×WTH×WT—CR

(30~50) ×10~15×10—(10~16)

(>50~100) ×10~30×1.0—(10~32)