Code number for material | Chemical composition(%) | ||||||
C | P | S | N | Si | Mn | Al | |
USt37.2 | 0.21Max | 0.065Max | 0.065Max | 0.009Max | - | - | - |
RSt37.2 | 0.19Max | 0.060Max | 0.060Max | 0.010Max | - | - | - |
St37.3 | 0.19Max | 0.050Max | 0.050Max | - | - | - | *) |
St44.2 | 0.24Max | 0.060Max | 0.060Max | 0.010Max | - | - | - |
St44.3 | 0.23Max | 0.050Max | 0.050Max | - | - | - | *) |
M22 | 0.16 to 0.23 | 0.040Max | 0.040Max | - | 0.28Max | 0.40 to 0.75 | 0.02Min |
QStE340N | 0.18Max | 0.035Max | 0.035Max | - | 9.53Max | 1.56Max | - |
Code number for material | Mechanical properties for conditions on delivery ) P( I% ]- C; y s5 l$ W, W. { | |||||
NBK (nominalized ) 1) | BKM (welded and sized) 0 b3 n& q% H2 s8 r1 U, T' X6 q1 m5 C | |||||
Tensile strength Rm N/mm2 | Yield point ReH N/mm2 min. 5 @* `% d4 N( o4 T( G9 q | Elong-gation at rupture A5% min. ) D5 O( j; A! C$ W4 @" ` | Tensile strength Rm N/mm2 ; Y Y5 K$ A W2 x( O" ]" u& D | Yield point ReH N/mm2 min. - A6 G% c) ` V. \1 A: M' k | Elong-gation at rupture A5% min. | |
USt37-2 6 N$ n5 _7 a$ e | 360 to 470 $ w. e' B$ y4 v | 235 ! j, m. c$ _5 y' X* y5 L | 23 | 390 ) d9 E4 O( I4 K | 250 7 k* C2 T [) x$ _) G Q4 z! b4 w/ d | 7 + M4 _- [: M6 H |
RSt37-2 ( |% ?" h8 k n1 {) U, e | ||||||
St37-3 ! e/ m1 h3 x3 c: U" D2 } { | ||||||
St44-2 | 430 to 540 5 `, c0 A5 R4 T4 I6 ~ | 275 & _: \6 Y; R# v5 y/ C9 i4 G9 B | 21 : s/ ]* c& m7 x$ T# } | 460 | 290 | 6 |
St44-3 . ~1 h" n9 ]! ~6 j0 b | ||||||
M22 9 T. }+ `; _# h6 [+ B | 420Min 1 r @7 ?- P5 W: J; Q3 v% | | 290 9 q# j. N* D$ R, i9 n- U6 n | 25 | - 9 y2 ]0 M2 O: a5 }+ E$ X& q | - | - |
QStE340 N 3 f! d) ^( G5 ~6 _ | 460 to 580 p/ V( S3 f; V7 t1 \8 P* ~ | 340 3 g# s$ C6 ^" @1 l" e; q | 27 | - | - | - |
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