Code number for material 9 e3 u3 i( _0 w9 E+ ~
| Mechanical properties for conditions on delivery ! J$ n* D1 r& `/ j% k8 O/ A4 T
|
NBK (nominalized ) 1) + A m. J- u! W
| BKM (welded and sized) * J/ e) N* ~0 G2 v' z
|
Tensile strength Rm N/mm2
% y+ F7 m0 B1 \% o) J8 N) y% L | Yield point ReH N/mm2 min.
% U: q% D2 I7 G3 |) w2 z2 w | Elong-gation at rupture A5% min.
! E5 j! G2 o2 F0 \% | | Tensile strength Rm N/mm2 4 H$ \- I c3 p" r) s S( ~
| Yield point ReH N/mm2 min.
3 y. Q% i0 f- a" l5 n+ \ | Elong-gation at rupture A5% min.
( l* g7 n3 O! A0 y% C |
USt37-2
+ K4 C0 v1 E- c& M | 360 to 470 $ \0 L" E* U6 I9 S
| 235
; A" y" G# M, j3 \4 j+ i | 23
8 e* C K6 ^( \+ ` | 390
6 U) T, t/ h/ f( [7 L/ E* T" {* | | 250
- d% {5 L L+ g" _! Z | 7
$ {1 y9 ?$ q2 ]: K |
RSt37-2 & M: n) T6 [0 N5 ]
|
St37-3
+ E) y! s; I: Q& T5 h4 v0 U, r; A& V |
St44-2
8 u9 b9 l* P L( O% w" a | 430 to 540 % ?- A$ ?4 J2 K. m- w5 P3 g0 Z
| 275
" o# I: d0 i! _/ s: g3 x | 21
2 {8 i/ h8 X0 ^/ n6 t% ? | 460
- G- e/ y- a, W0 | | 290
$ }" x4 {: P1 T8 a+ o | 6 ! y7 a& K: b' a) E9 v& C. R" m
|
St44-3
* E% w" T2 A; H0 j! U- r |
M22
4 s1 ~& i% \7 y | 420Min
" p2 g; d2 Y' z! C3 D | 290
( c5 N/ A: Q1 `; ?% d/ n4 h | 25 - Y0 i ]( ]# s3 \( ]; J% P2 h
| - ' G3 Q: ]" H! I8 J* r1 J: G$ ?( e! p
| - " Z; u* E# m1 O9 z$ r
| -
7 ?) b+ _' I; F5 m |
QStE340 N
6 t o, k3 t6 s' q | 460 to 580
/ P+ O" @# H3 v J) H, F$ _3 Z! }2 l1 p | 340 ( u2 z4 b6 A0 p6 I! I# b( Q4 q1 U
| 27 / U/ E" i- p% w5 K) j& P
| -
" F0 @2 m7 r3 x$ E: A1 r1 U | -
4 V0 Z. O. ]( e9 F' w | -
. `7 G1 J$ T) ^9 t4 o& ~- E! E |
发表于 2008-1-11 11:29:51
