|
|
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
4 k# A& v9 _2 T: J# y+ i5 x) ^
J- P+ P6 R/ g; c0 |3 j' J; ^
: g7 ~6 }9 [: Q" d" g" h* c0 ~2 H+ X
4 {2 j7 x' O6 b3 q6 Q化学成分和材料对照表A 576 1020 对应GB 20 ) ?% V7 v! G) M5 m7 q2 A
| | [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. |
y: f+ \) D! r2 {
| | | http://www.key-to-steel.com/cn/img/nav/spacer.gif |
http://www.key-to-steel.com/cn/img/nav/spacer.gif1 @* p' g* V7 R
化学成分 (%)3 J }4 S( l) J& l* K4 Y' Y9 ?
| http://www.key-to-steel.com/cn/img/nav/spacer.gif: ?) w/ P& c! l9 Y# H8 V& ^: |
[table=98%] | | 元素 | 最小 | 最大 | 近似的 | | C | 0.1800 | 0.2300 | V) k4 r. h% }6 V% o
| | Si (*) |
! Q8 _( g: d: j: ]5 S+ @9 z | 3 |+ @# J- z5 s; r5 B1 k
| & K0 S8 w |7 m" t' p' r3 e# T \, H
| | Mn | 0.3000 | 0.6000 | ; d/ R V v( b4 c" q
| | P |
# _7 F3 V1 B& w" w7 k. M# ] | 0.0400 |
3 N1 }: s$ v: t: W! B" m) D | | S | # n- a8 }$ Z6 Q( b$ m4 C5 |# N
| 0.0500 |
6 ?" g# e. ~# b4 F8 w1 z R I | | B (*) |
; A" a4 B/ \* A R2 Z |
+ Z0 v& L4 n f" D! O5 i | * t6 J$ w: K% `0 ~( D2 t; {; d) j
| | Cu (*) | 0.2000 |
, f6 C! n. [! ?3 V& { |
$ A8 G; t& y0 d8 a6 z: x. Y% Q9 s1 m | | Pb (*) | ' U, m. J4 X, ^# s+ b9 w
| ! G9 p; q \5 C; E$ J# w
|
2 r3 W; m9 I; I; d | | Other (*) |
2 ~+ j l& Y, Z1 X! F& N @. {; ~ |
( }$ y. F- `/ m( H( z | 9 H u% s+ p8 Q+ Z% g8 \6 \
|
|
2 j# C; R( F& P: E" Bhttp://www.key-to-steel.com/cn/img/nav/spacer.gif
9 n8 r0 D& E1 Q| 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. |
$ u8 d6 p0 V7 h |
| $ W& W! S3 W& W+ Q' s2 v! a& w
|
$ W/ w( M" W' E
# ^5 V& U X6 Y7 e- F) M| 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 |
. v$ T0 [4 c& u
: H: g# k# N1 J( [$ E化学成分 (%)
, q2 @0 c& B) @6 \$ F" }9 W$ d. Y | http://www.key-to-steel.com/cn/img/nav/spacer.gif
- E( v& ~7 u1 l| 元素 | 最小 | 最大 | 近似的 | | C (*) | 0.1700 | 0.2400 | ( {: E0 j" k& y* k* h
| | Si | 0.1700 | 0.3700 |
( X3 m! W: c; H4 a. P& j | | Mn | 0.3500 | 0.6500 |
; C& P7 e6 S' ~, Y6 Y& b v, p S. H | | P | - [; \, R2 x- V( k
| 0.0300 | ( T' k2 B7 e; W7 N; l
| | S |
: Y$ R0 R" L, x4 O8 V! z! M3 F | 0.0300 | + M f* x" a* \, |
| | Cr |
: b2 b7 L1 u7 X9 O5 c# D1 [ | 0.2500 |
# |7 b1 j( m- T% q5 m/ g& t& A | | Mo |
2 Q' `6 |: N7 }: b | 0.1500 | 0 C- A8 d% f w* A5 D5 I* p7 e: b) T
| | Ni |
; r: a/ n1 ~) r7 z& W/ G: E, Z: x | 0.2500 | 5 H" M$ k& J) U
| | V |
3 }$ D; W3 R# n' Q; d4 ]* \ | 0.0800 | 1 }& [7 \5 ` \+ S5 `" I( Q* ?
| | Cu | / {+ u. Q, w/ T9 t
| 0.2000 |
* n: y! w' J- I | | N (*) | * G* U1 b/ H( y& K: n
| 0.0080 | 8 D( o9 s9 P- c& Z
|
|
6 o8 ~4 p. N( o$ X, O5 e+ M p8 Rhttp://www.key-to-steel.com/cn/img/nav/spacer.gif
7 i1 c1 q7 `& E: ?6 l| 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. |
" n# V6 E, {( ~8 N: h( z7 Y) V$ A
[ 本帖最后由 hourpp 于 2008-2-16 08:14 编辑 ] |
|
楼主