|
|
2#
發(fā)表于 2010-5-12 15:07:19
|
只看該作者
Spec. Thickness Comment
* M* K' q: K0 f9 a6 o* C+ _ASTM-B-
V" }/ H4 v2 j8 T4 T5 z. L/ \1 l545-97e1 ASTM requires purchaser to supply information, such as base metal, underplating, test requirements and test methods etc. In general, copper alloys containing more than 5% Zn shall have a copper undercoating of at least 0.0001" or nickel undercoating of at least 0.000050". ; S$ k0 n8 ^. _& }
Class A .0001" min & j( V* |$ T; y& a t i- z% y' o
Class B .0002" min 2 O+ R$ l8 D) R0 o; z
Class C .00032" min .0004" min. for steel.
1 x# _# r8 T' T7 i. KClass D .0006" min .0008" min. for steel.
. P5 }% n# a' M: \8 F+ o' T# m" P$ f! TClass E .0012" min ASTM requires purchaser to supply information, such as base metal, underplating, test requirements and test methods etc. In general, copper alloys containing more than 5% Zn shall have a copper undercoating of at least 0.0001" or nickel undercoating of at least 0.000050".
, u/ p0 P7 i2 k% A! qType Matte 4 d2 n$ `4 I" s$ d
Type Bright
) D5 k0 S( {2 c, v* gType Flow-9 r4 e" @. E, `' N& ~
brightened ----------- Flow brightening available
; r7 y$ W& K$ T7 ]/ b7 V- W8 n8 R最少0.00032 英寸，就是 8微米 |
評分
-
查看全部評分
|
QQ好友和群
QQ空間
