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 . u+ R; v6 B# K$ c4 D- I8 v- h | |||||
NBK (nominalized ) 1) ( e/ m! s- E8 p: Z, ^ | BKM (welded and sized) }* k. w+ u7 d6 P- W | |||||
Tensile strength Rm N/mm2 6 I- |/ w z& b9 l7 u8 h | Yield point ReH N/mm2 min. 5 T, ~$ V$ | z L | Elong-gation at rupture A5% min. " i7 i5 E" U1 t8 Y | Tensile strength Rm N/mm2 | Yield point ReH N/mm2 min. + |* M+ U/ f" ^4 @6 R4 r! R | Elong-gation at rupture A5% min. | |
USt37-2 | 360 to 470 " s& l# d# Y0 o6 c" H/ c; M2 Y | 235 | 23 | 390 | 250 | 7 8 ]5 c' d e+ v! m1 p6 X3 Q7 G |
RSt37-2 7 ~- V2 s7 d5 ]9 D; J+ Q | ||||||
St37-3 | ||||||
St44-2 | 430 to 540 % e4 \. q1 X4 ~: ~. u3 ~ | 275 | 21 , r2 s. e# ^6 X) _! a | 460 ; f6 \+ f. m. ^& y. H& N- W | 290 | 6 * p& i+ l# ?* N1 t4 t |
St44-3 0 Q5 J: v" X/ u. [: X3 \! T w6 U | ||||||
M22 7 X6 ~/ N" u" {8 Z: J% d | 420Min ( @6 W3 u! J$ O) r | 290 5 [; D' y/ z O* c/ J( @ | 25 ! F- n% j; m* O- u: k+ K | - ) q# r; m% U: u7 A1 Z2 ` | - | - |
QStE340 N | 460 to 580 | 340 , z" i* V$ U* B | 27 | - | - , p/ U$ `: x* H. Q3 E" e$ } | - G5 s$ F+ O( o' W2 F% E |
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