碳当量( u$ n$ J$ U3 d( f
| 建议最低预热温度( 0 C )
) b! ?- Y6 S, c7 s- a/ h2 e3 ]7 r: B% H |
' b! @, m' K' H( V) q |
1)
l5 Q* B! l! t" ?9 _& z# w | tcomb ≤ 50 mm 2) + P7 u* ?1 [6 j1 q/ r1 b
| 50 mm<tcomb ≤ 70 mm 2)
) V9 Z/ ~' w! {' U, F# Y | tcomb >70 mm 2) 2 k, _: ^0 z& x1 J7 G# m
|
Ceq ≤ 0.39 ' @5 @, {+ }5 r0 o8 b0 r& @
| --2 I3 M! [- B! y. ]5 U
| 50
2 ?4 \1 p! N& s. L {9 s S9 I' | |
3 Y( |6 \& x# ?, t5 s |
Ceq ≤ 0.41 " l, U+ N* m( C( X4 q! h
| --5 v8 B- F( [ \1 e# v. m" N( X' h
| 75 - n* [: O1 M4 G4 k
| 3 x5 i @4 F+ |: _% U
|
Ceq ≤ 0.43
! f! z" _! y1 X5 F; s3 K4 `; ]* z | -1 R, h( w' B* { L" M4 `2 j
| 50 1 O; R5 `5 L: Q3 Q9 {) I
| 100
+ K+ N7 c& Q" T' W1 _ |
Ceq ≤ 0.45 5 \' I8 n( l) C- z+ t& B
| 50
& e/ i* _! }( x$ g/ q2 W7 g% G# J9 A. j | 100 7 f% k' d2 l5 F$ R% Y0 q% M( j2 B
| 125
& b/ k+ w/ U/ T( W9 c/ |; U |
Ceq ≤ 0.47
6 p( b5 ^5 h# q4 T0 D | 100 - ]% X; r" F2 i/ Q# `6 {
| 125 9 w# Y% R) D' Y$ q M
| 150
+ u- s& t1 k/ Y7 K1 h |
Ceq ≤ 0.50
% ~) o0 M3 R A$ A | 125 ' z, u8 v, O/ h2 t/ G: [ g- i
| 150 ( z9 Y3 U4 K0 k# H; U2 l V
| 175
- _2 z5 G5 b) T- T6 T2 P r |
发表于 2007-7-15 14:20:18
发表于 2007-7-24 17:32:57