化学成分%，不大于 Chemical composition, Max

牌号Grade

C

N

O

H

Fe

Si

Ti

Ni

Nb

W

Mo

Ta1

0.004

0.005

0.02

0.002

0.005

0.005

0.002

0.005

0.050

0.002

0.002

厚度(mm)

Thickness

厚度公差  Tolerance

宽度

Width

宽度公差

Tolerance

长度

Length

长度公差

Tolerance

一级Grade I

二级

Grade II

0.15~0.2

±0.015

±0.02

50-300

±2.0

100-1000

±2.0

＞0.2~0.3

±0.020

±0.03

50-300

±2.0

100-1000

±2.0

＞0.3~0.5

±0.030

±0.04

50-300

±2.0

100-1000

±2.0

＞0.5~0.8

±0.040

±0.06

50-200

±1.0

50-700

±2.0

＞0.8~1.0

±0.060

±0.08

50-200

±1.0

50-700

±2.0

＞1.0~1.5

±0.080

±0.10

50-200

±1.0

50-700

±2.0

＞1.5~2.0

±0.120

±0.14

50-200

±1.0

50-700

±2.0

＞2.0~3.0

±0.160

±0.18

50-200

±1.0

50-700

±2.0

＞3.0~4.0

±0.180

±0.20

50-200

±1.0

50-700

±1.0

＞4.0~6.0

±0.200

±0.24

50-200

±1.0

50-700

±1.0

其余规格按照客户要求定做 Special requirements to be agreed upon seller and buyer

牌号Grade

状态State

厚度 Thickness(mm)

抗拉强度

Tensile Strength (MPa)

断后延伸率

Elongation (%)

Ta1

退火态(M)

0.1~0.5

≥207

≥25

大于0.5~3.0

≥30