& L: Q ~ ^+ O# L3 {" t
高炉锰铁(GB/T3975-1996) |
+ ]2 k# Z# d' x K$ A
牌号 |
2 k! D2 q) I4 m% a; u 化学成分(%) |
+ N* R- Z7 A$ ~- t% y
Mn |
3 n0 E% |! g8 t5 C p
其余元素,≤ |
* @8 {1 Z( {" E" Y' n E: F* v
C |
% a- X; o4 T6 z* f3 E1 A
Si |
0 Z5 e' w7 k1 N P |
4 Q: j0 ]/ {1 O; h! V
S |
% G3 ?# m7 f% V( o& p. {
一组 |
6 X/ H! T: p' O
二组 |
$ x5 o+ M, j, a* }! Z Ⅰ级 |
% ^1 Q' E6 ~6 T7 U: _1 d6 `3 c
Ⅱ级 |
) t2 Y& C! v4 O' A# L- M
FeMn78 |
/ I( `% q# s! h: R 75.0~82.0 |
# N" B2 G, t0 j2 _* ~) S1 V 7.5 |
- _; _/ @1 D" m d7 ]
1 |
* v+ T# s4 g2 N* r
2 |
4 E+ B: s5 `/ L' L/ f% L0 P0 D 0.3 |
" C: O5 D: ^8 G7 Y7 f
0.5 |
! T1 `% m* F: h
0.03 |
/ e5 s. N( D9 ?; w1 K FeMn74 |
5 B' {/ o. _6 m
70.0~77.0 |
; ]+ f& ~+ H6 u6 X
0.4 |
1 v, H% I" p# N( g& a* [% Q) g" x
FeMn68 |
4 C& |7 T% i* x) t2 W) \; ]/ E
65.0~72.0 |
' V. `; p7 j3 x6 b" J
7 |
7 r6 d" }5 B( I7 O FeMn64 |
6 F( |3 s1 ~+ I! |4 Y
66.0~67.0 |
9 o/ Z/ s$ Z( x: I# l 2.5 |
# S2 m2 r- m3 k' w3 a+ U 0.5 |
3 v( B' Z0 C& e6 L Z' D8 l 0.6 |
# ~, c. g: [; f, O: {8 f9 W# T6 m/ L FeMn58 |
* \1 Y" T8 Q7 ]) W+ O1 L: `
55.0~62.0 |