Code number for material
7 R/ a5 H$ L. b | Mechanical properties for conditions on delivery
7 v$ C2 ?+ W9 n( [* v2 Q' x |
NBK (nominalized ) 1)
5 X7 v( \# ~7 R9 q! w. d# t | BKM (welded and sized)
& X0 ?* i, M- F6 i |
Tensile strength Rm N/mm2 3 L4 i, }, N6 A1 v& k* E
| Yield point ReH N/mm2 min. & f7 B. C5 x$ @9 U' y
| Elong-gation at rupture A5% min.
/ C, t4 M/ E7 ~ | Tensile strength Rm N/mm2 ) D6 x$ M6 _+ @1 G1 m
| Yield point ReH N/mm2 min. . u2 i! a5 L/ @3 l6 [1 m: N
| Elong-gation at rupture A5% min.
2 s l' }% g0 q4 _' n( P |
USt37-2 $ T# q; P2 n# t7 Y
| 360 to 470 # i8 [7 N2 }2 Q/ t; X* K; v
| 235 % M0 Q/ P( c# j/ i- U" ?
| 23 ) }5 U. s; [- ]0 p- @7 n: m h
| 390
$ I' {, W! o/ I, K( J( N. a6 a | 250 / J$ j; y5 R0 s! P6 y" F [7 g" P) d
| 7
$ I0 ]2 ]3 h" E* l& J* t$ B |
RSt37-2
" _" P& h' ~, q9 b5 M8 ?1 M/ @ |
St37-3
# s! \9 h6 l6 \8 T! Y; {' P |
St44-2 ; ^) R4 E2 {9 ]- S4 d) A* I) n1 p
| 430 to 540
3 F |- {/ A8 ^; c3 ? | 275 7 i3 @9 j$ |" M6 x( G, k
| 21 : c2 C9 q$ G, g4 B
| 460
) d- K4 V0 m4 h | 290 + L4 x/ k: |0 w1 R6 O. S9 {3 l) \
| 6
* a- X9 |! t6 `9 D |
St44-3
) c) O$ W) i7 O" g |
M22 * B. R: H' A. p+ m$ B# B
| 420Min ! L+ b+ l- J0 v( f; s" ]
| 290 ; a3 d& ~# L2 M
| 25
6 t1 B: _( v4 G; j9 ] | -
& _8 r9 Y- t! S7 d' ]% r$ v$ n | - 7 _5 U. J, j0 U4 ]7 }% U0 o
| - ! G$ Z6 W. m( T( ^4 C
|
QStE340 N
7 F& w! {/ ?& Z! E! L8 R8 A | 460 to 580 7 U% R4 K- p! W" s7 B9 W* t4 k
| 340
0 z! `# @4 [% N | 27 ! m L7 a H5 x& n" x1 Y* \5 v! w
| - ) c0 n6 ?' a/ Q2 l! j$ \; \# L
| -
: U$ k/ _" r) H0 S. ]0 i. [/ e+ w | |
发表于 2008-1-11 11:29:51
