Code number for material $ [6 G) {/ q X# m. D3 f( W
| Mechanical properties for conditions on delivery
+ Q3 f% H: `* P; I% w5 z1 w |
NBK (nominalized ) 1) 7 u7 v9 _: H( m! C9 g
| BKM (welded and sized) # \' E1 V" J5 c; Z& s. T
|
Tensile strength Rm N/mm2 0 C- ^+ ^6 Q9 b6 N0 P
| Yield point ReH N/mm2 min. $ P% Z s% _# N
| Elong-gation at rupture A5% min. 9 B/ ~/ X) D1 p" P
| Tensile strength Rm N/mm2
* C8 k" q+ o: l [) z | Yield point ReH N/mm2 min.
6 K8 W( M, F: w* Q' H | Elong-gation at rupture A5% min.
" r6 c1 J# K8 Y' Z2 V |
USt37-2
- M8 A9 ~4 S- |& h3 s | 360 to 470
! S! |9 R }+ ?, m, \. s# ]9 q9 e( E | 235 ! u9 U4 `7 o8 V: L4 O
| 23 9 g. G0 f) M# r
| 390
% j2 s5 H6 c& N6 R S' P m e | 250
9 P# E+ n# Q2 q! b- {! h | 7 " x3 T) A& o7 |/ x3 z% H- I
|
RSt37-2
$ z& |) F1 _3 C3 C- m8 A |
St37-3
# k! X0 O9 J9 t) N s/ ^ J |
St44-2 7 w& q6 A6 Y3 ^+ ~: O& P
| 430 to 540 / ^% G2 t; d9 g
| 275
' D" p7 b& c5 C0 }6 ^" F5 q | 21 3 R! p7 `" s& p7 I# v
| 460
' H! ]! X, k5 {8 r: @# k | 290
) s/ R, `1 N. | | 6 + m- B) H( }* a$ t7 L( K: W% q! V) L
|
St44-3 ' q% t: n$ N) v- {7 ]: x/ P
|
M22
v6 m% ^2 \5 [+ p/ F4 i | 420Min
# ~9 }9 s0 k& y/ M% A0 P | 290
9 v3 s! f4 {# z9 y9 B | 25 ( H) r/ Y' G/ }
| - , \2 e# X- P/ p" c, e+ F4 _
| -
: O) c9 c' q' ^8 N2 Q+ C: B6 T/ T G K | - ( X: D: Z8 y+ [/ j, l
|
QStE340 N
' y6 z4 [) X0 n- Q }4 h# l | 460 to 580
/ ^6 L% Z# H. A+ ~4 b9 c( q( H | 340
}5 r! g+ @( g; Z3 q* B$ s | 27
4 ?( P) @( z, u% ?# ]) a | - 7 U9 C" K" x# c' S
| -
. b$ A$ ~3 q: n, q( \0 T+ Y | -
% @8 l5 E& ]& }" g* j" W+ W0 } |
发表于 2008-1-11 11:29:51
