|
|
发表于 2008-2-15 16:18:32
|
显示全部楼层
来自： 中国安徽芜湖
化学成分和材料对照表A 576 1020 对应GB 20
# j2 F" L5 ], h4 w) M! H1 ^
! I3 b; `: G; l, }) v' [" O* m2 E j, D; J; K" i' y, p
2 L' u3 `" H! g$ |: W9 Z% F$ f y
9 ~ W; u3 c) g# [' `4 N3 t
化学成分和材料对照表A 576 1020 对应GB 20 3 u }* i; Q/ v( Y Q/ ]
| | [table] | | 材料牌号: | A 576 1020 | | 标准： | ASTM | | 国家与地区： | USA | | 钢组： | 结构钢 | | 次级类别： | ASTM A 576 Hot-wrought special quality carbon steel bars | | 注释： | Bars shall be hot-wrought and shall normally be delivered as manufactured. |
1 q( a$ p7 Z) [! E; R% Y | | | http://www.key-to-steel.com/cn/img/nav/spacer.gif |
http://www.key-to-steel.com/cn/img/nav/spacer.gif
3 v1 V$ N6 ]2 s化学成分 (%)
( b/ |% A* H$ d | http://www.key-to-steel.com/cn/img/nav/spacer.gif5 _" D7 Y; N! a$ X- k6 ~
[table=98%] | | 元素 | 最小 | 最大 | 近似的 | | C | 0.1800 | 0.2300 |
w1 d: ]0 d4 v9 S: _5 Q5 Z, L | | Si (*) |
2 t- y6 l6 C* \$ |, K' @' y7 A7 a: ^ | 0 x+ l* x: l$ ~# `
|
" c- k9 M6 r f. [( n | | Mn | 0.3000 | 0.6000 | , w$ m; w& R2 T t6 K; ^8 G0 a
| | P | ! I {* c1 l6 A/ L
| 0.0400 |
& U" r3 f& S0 L6 a5 _3 d& ?9 R | | S | / K! J' }7 I a2 K S t
| 0.0500 | $ `3 _9 t% ^9 b" w0 Z3 ?
| | B (*) |
. l& w* D$ p! { |
+ |& D# z! A/ K2 g& f, a4 L, J |
. X; J C4 L5 `' d1 L | | Cu (*) | 0.2000 |
0 [# Q% } ?2 o0 A0 f |
! B# k w$ v: }3 T | | Pb (*) | 5 n; r% ^3 G X
| * G" O F, A, \# {' p1 G3 K1 {: U: J
|
1 t9 w# x5 Q* \: T0 ~) P | | Other (*) |
* m9 V8 Q+ I" t |
$ B, d1 \1 z( E p |
1 Q& {$ w6 c4 A! I/ ?% n3 } |
|
0 X% H- D# M4 a s" ?3 H
http://www.key-to-steel.com/cn/img/nav/spacer.gif
4 a! e8 W& C3 {6 Z4 c- d7 |6 E| 元素 | 注释 | | Si | Where silicon is required the following ranges and limits are commonly specified: Si=max 0.10%; Si=0.10-0.20%; Si=0.15-0.35%; Si=0.20-0.40%; | | B | When boron treatment is specified for killed steels than B=0.0005-0.003% | | Cu | When specified | | Pb | If required, the lead content can be specified Pb=0.15-0.35%. | | Other | The elements bismuth, calcium, and tellurium may be added as agreed upon between purchaser and supplier. |
4 L/ C, I/ G( _2 R& d1 W |
| 8 R4 T# C, ?/ _, H& o& [. T+ [
|
4 l& v/ h8 m) B7 h) B. z- R: q7 i& {9 N; L
| 材料牌号: | 20 | | 标准： | GB | | 国家与地区： | China | | 钢组： | 结构钢 | | 次级类别： | GB 6479 Seamless steel tubes for high-pressure for chemical fertilizer equipments |
' J1 s. {# i4 J) T2 _ a
/ D9 v x/ }* d# i v8 \: W化学成分 (%)" h; x5 s- E5 a* d. [$ I" p
| http://www.key-to-steel.com/cn/img/nav/spacer.gif5 r* S% O6 j4 t" T4 ?5 g1 U" Y( i
| 元素 | 最小 | 最大 | 近似的 | | C (*) | 0.1700 | 0.2400 | 1 T* y5 F/ M% [
| | Si | 0.1700 | 0.3700 |
7 J: E% _' R, Q/ p3 R- m | | Mn | 0.3500 | 0.6500 | 0 Q' X* Q- J3 V# l, N& L- g
| | P |
2 K: E# N; j# @- N4 s; S; o# w | 0.0300 | & u I _# y, i) |4 X
| | S |
. @9 z8 ~+ ?, U$ a" j s* b0 o( _$ Y | 0.0300 |
7 ~5 q l% r/ o8 Y& t | | Cr | , t% G" Y' V* f0 p. u4 f
| 0.2500 | m, r/ A1 C/ E% ^% a
| | Mo | ' x) P: x6 Y5 _" j: r$ M2 k$ C( Z7 G
| 0.1500 |
2 o& { v/ @, X" O" U' Q. A9 R | | Ni | 6 b# k/ Q( Z5 R' J
| 0.2500 |
4 O% d$ D. [' W+ B& B7 Y | | V |
8 |1 `0 {% h! u2 H" W* w K | 0.0800 | . n/ {- ]/ O2 F, r* ~
| | Cu |
& O+ y6 I% F1 a5 K0 J; G( E: I% l | 0.2000 | $ J% f/ f2 I y: M# o
| | N (*) |
) s# W* c% _) r/ Y0 v6 @7 D# l- m+ q | 0.0080 |
7 d7 p+ l2 h: p8 T1 U! z) G |
|
: z2 ]( g$ j- K! H9 w2 m, K8 zhttp://www.key-to-steel.com/cn/img/nav/spacer.gif. |; y& X. R% `# h J2 Z
| 元素 | 注释 | | C | When requested by the purchaser and specified in the contract, for steel used at low temperature, carbon content may be 0.17-0.22% | | N | For steels smelted in the basic oxygen furnace. |
. x1 F# `; b( @6 M- F8 ]1 M: v' b
2 R B) n3 K) F# {2 L* L. b0 _. g
[ 本帖最后由 hourpp 于 2008-2-16 08:14 编辑 ] |
|
楼主