ST44材料化学成分---请教

何锦添

请问谁知道管直径8X0.9.有什么化学成份,机械性能,抗拉强度,等等的资料,

伊凡

1. Chemical composition

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	-

*)Contains a sufficient quantity of aluminium or other nitrogen-fixing elements

[ 本帖最后由 ivantse 于 2008-1-11 12:53 编辑 ]

伊凡

2. Mechanical property

Code number for material	Mechanical properties for conditions on delivery
	NBK (nominalized ) 1) , ?, b6 q9 B) q6 U			BKM (welded and sized) 1 @: @" o/ ]* T/ ]* u# k& r
	Tensile strength Rm N/mm2 8 n9 @. z) o0 W1 N( F	Yield point ReH N/mm2 min.	Elong-gation at rupture A5% min. " Q) [# L; J% V7 H9 }	Tensile strength Rm N/mm2 2 q/ b& n* P2 G, |/ W: a/ g# }" u	Yield point ReH N/mm2 min.	Elong-gation at rupture A5% min. 5 }% ?7 N+ S" e7 |# z
USt37-2 : J) ~1 _; v: u8 g, ]8 ?	360 to 470 6 n0 T6 }# O. N; n( v	235 ( q8 S% d/ h  c" \( b: `	23 8 V4 V+ e7 N: A, h" H	390	250 1 V! p. C/ w4 j3 J: @! I% S+ t	7
RSt37-2
St37-3 0 t8 H: ?+ I: V4 u% J+ w
St44-2 6 e! g$ E2 v$ H$ p! Q+ W: X, |+ O	430 to 540	275	21	460 . p' L; X' g" r; i& V% Y	290 # J* P$ Q) a. T; B	6
St44-3
M22 ( h* ]' ?. Q) o: c! a9 Q1 H: t6 A	420Min	290	25	- $ z+ b: P& e0 [& f+ S8 w) g' @7 |( G4 _	- ' E9 ]. _# f  j) \! f0 F4 Q! o" s	-
QStE340 N	460 to 580 + p) @$ _+ a9 K8 `: V' [9 z; E	340 : f% n* F: [5 Q2 \	27 9 F% }  E1 ]" ?# F- K- I4 \$ t	-	- 3 _, o' f0 L( `- Z	- : K% ?: I. f! w

7 f+ X+ k' ~% C0 n& ~[ 本帖最后由 ivantse 于 2008-1-11 12:57 编辑 ]