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 # i: J/ ^/ W* o0 H0 s! J- A7 { | Mechanical properties for conditions on delivery | |||||
NBK (nominalized ) 1) | BKM (welded and sized) 1 n/ {1 N- L5 ~2 P' Q: m1 q% y. b( o | |||||
Tensile strength Rm N/mm2 | Yield point ReH N/mm2 min. z: z/ }3 }7 {' G: I, v+ s7 ? | Elong-gation at rupture A5% min. & I- S+ \/ U- ?* b4 |/ Y0 H | Tensile strength Rm N/mm2 7 b! y- Z( W" z6 r | Yield point ReH N/mm2 min. | Elong-gation at rupture A5% min. | |
USt37-2 8 W) Q2 G2 E( T: @1 J) m( I | 360 to 470 1 | G. l6 u8 J/ P2 j3 | | 235 9 U1 g8 s# u! M- I$ M; c | 23 | 390 | 250 | 7 |
RSt37-2 | ||||||
St37-3 4 @- G1 N$ z) {. Y5 V m3 [ | ||||||
St44-2 $ T3 F9 c: Y+ I- ?! f2 E | 430 to 540 | 275 | 21 | 460 1 }; t5 |/ K, ]9 s# O | 290 * E- c% V' F, g2 E5 z | 6 |
St44-3 2 u% E! C# J( Y( g | ||||||
M22 . S+ n) m- d3 N E# Y | 420Min 6 t% I4 H9 j+ D0 O | 290 + m) b7 B3 p! O6 l5 M4 b, Z | 25 ) K4 `+ M: G8 H* i d3 b" I | - | - | - 5 _9 f2 Q/ {6 \2 ^. l- S7 i0 w |
QStE340 N | 460 to 580 . V u" s* j. J- ~ X1 V' i | 340 | 27 9 A/ A( d/ Z7 y | - | - | - |
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