ST44材料化学成分---请教

何锦添 · 发表于 2008-1-11 11:29:51

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 · 发表于 2008-1-11 12:49:58

1. Chemical composition

Code number for material	Chemical composition(%)
Code number for material	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 · 发表于 2008-1-11 12:53:32

2. Mechanical property

Code number for material - Z$ [, F( @; N( g7 ]' z/ b	Mechanical properties for conditions on delivery 5 ?! N+ y; p: ~. q9 Q% b/ n3 a8 [
	NBK (nominalized ) 1) $ O& V$ r# _* e! j% W7 D			BKM (welded and sized) $ r2 o* S0 V4 D6 n ]! c
	Tensile strength Rm N/mm2 ; Y& ]- j" P: s5 G+ d* ~: i	Yield point ReH N/mm2 min. ' c7 K5 T2 f/ Q' h/ Y E" j i	Elong-gation at rupture A5% min. ( H/ m- B# w4 N* J	Tensile strength Rm N/mm2 / N: `& W2 d, j& \|' Y9 T/ ~	Yield point ReH N/mm2 min. - P" v$ C% ]( V6 x8 R% ]* U+ b	Elong-gation at rupture A5% min. 1 `. o4 d* b6 M6 f
USt37-2 , }: B3 I* n' @8 A3 V0 h$ H	360 to 470 : Y! Z+ M, _- O# t	235 # o9 o" ~/ q- x5 z o	23 " H. L- q- b$ D6 [	390 $ c1 B3 f- b0 q' o$ R7 X; u" \|/ X4 @	250 / W, ?- C/ H" j, c: w4 I5 y	7 8 w A! k2 f ~- k B7 E
RSt37-2 8 o' q+ O( e/ R# y( y6 v1 v
St37-3 6 b9 P" D1 T+ D9 B* N [* l, [
St44-2 / M% m4 u p' Z0 \|8 [6 H	430 to 540 w: Y( @6 I" k8 J4 H, }	275 - Q# d5 Z" p4 w' r2 S	21 8 F! _2 ?) O: H$ T6 @' j	460 " L5 l* j- ~& h. L+ ^( W	290 ' ?. [7 h0 V$ s q5 L. Q8 v5 W% l0 L	6 " `) k. a1 C% k% L) ~9 S9 \|
St44-3 ' O, y* w; H/ n* V- V
M22 3 N$ \|2 d. p d6 j# }9 i	420Min 9 k) o- A* T2 \|( u$ s	290 0 A9 B' e0 b. U, ?6 u* D	25 . j& \|6 Q% c# Y6 R8 j4 ?* O) y# n( h	- " v% \|& R$ i0 h9 w4 X+ f `	- & O! P0 ~5 D" q) C! u! @. i	- ; c: N3 `7 C4 q/ W) l' Q3 ]: I
QStE340 N 0 Q. a1 ?) r0 q M, d: [* H	460 to 580 . ?. Z* \. @6 ]" X% C$ q	340 1 ?: R: G7 i- Y% G	27 2 z4 `- u2 ~' V- q `	- 3 P1 f1 ^4 Y1 t5 W- X9 l	- 3 u# @% u5 X8 @* u* N	- - f. S$ s+ P( z, @7 @2 H$ D4 B- W

[本帖最后由 ivantse 于 2008-1-11 12:57 编辑]

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ST44材料化学成分---请教

化学成分

机械性能

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