|
|
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
7 m. d* o: d( i6 e, M( a3 _, n4 h4 ^, X
3 m: \/ B! Q$ E
n1 W" U0 [% Z9 M( O0 p
. O/ x& R# L% g
化学成分和材料对照表A 576 1020 对应GB 20
4 y3 v9 T& L* k; i% H! [ | | [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. |
- F8 p* E% P# }) j& E/ v | | | http://www.key-to-steel.com/cn/img/nav/spacer.gif |
http://www.key-to-steel.com/cn/img/nav/spacer.gif4 _3 I1 K8 E: n! u
化学成分 (%)
) l% V+ i8 V; Y: |* u9 M | http://www.key-to-steel.com/cn/img/nav/spacer.gif
& `. A( [& Q/ K9 y7 {; r[table=98%] | | 元素 | 最小 | 最大 | 近似的 | | C | 0.1800 | 0.2300 | . _2 m/ g% e7 }/ `) i* d
| | Si (*) |
+ I4 S0 A; ]' m" m3 y3 \/ d& R | " A# y, q6 U9 ?0 u7 G1 I- v$ o2 y
|
8 l& R6 `# [% ?7 U | | Mn | 0.3000 | 0.6000 |
, H: s; D# n. _/ t/ m | | P | % N- P7 S9 w2 Y7 p* |
| 0.0400 |
7 T$ k9 I9 {2 u' R& ` | | S | ! @% S! M1 v; d% |# Y+ l
| 0.0500 |
4 P' J5 l' {. |% x% E | | B (*) | ) M) J9 Y' b! X/ f, e
|
* W* m! ]7 z% {4 s |
% N# \. j5 f# h | | Cu (*) | 0.2000 | + i/ F3 p$ O. j( q4 W
|
6 L" U2 B/ h# m* x6 w+ a& D | | Pb (*) |
# c: ~' Q4 y- A/ |1 H& A |
) ^7 O) R& g: D! Q s' | |
R, K+ P7 l$ h4 t% K! @ | | Other (*) | N9 i4 T6 c' G1 s. M
|
* z5 {7 j5 P1 n/ W% B; @ |
1 s0 ]) |6 t5 E, m, V |
|
& m+ O. c9 p+ F; N/ Lhttp://www.key-to-steel.com/cn/img/nav/spacer.gif6 H7 u a. m, e7 j
| 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. |
( Y# A" S5 S* S! b# S) \+ P6 c
|
| 8 G1 i6 [3 I9 i- u1 E4 y8 H X! g+ ?
|
4 m- v6 ~ a; X e( L" o9 l) b& a
% o0 z& N% m s5 h| 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 |
/ y# t* [1 x6 b
( m0 ]$ J1 D- F5 Z; d4 P
化学成分 (%)( l6 n4 V5 Z9 ]3 ]5 _* r
| http://www.key-to-steel.com/cn/img/nav/spacer.gif
/ u1 x" j# w0 D- K Q) [| 元素 | 最小 | 最大 | 近似的 | | C (*) | 0.1700 | 0.2400 | 0 T. G5 B5 G( r2 e- j y! s# X
| | Si | 0.1700 | 0.3700 | , x, j7 s( a& O. q& E
| | Mn | 0.3500 | 0.6500 | / U7 N+ ^2 i% n& V0 s2 n9 d
| | P |
% e" B+ h% K7 ?' O9 e+ f3 ^6 H | 0.0300 | 4 t W3 t* ]- K+ y2 Y
| | S | ! B' V+ j- t; E
| 0.0300 | . Z2 P# l4 J! A3 z8 @
| | Cr | % ?' \7 X* E* v; ?' }
| 0.2500 | - l4 F3 a$ j# P0 U- ]. y9 s. `
| | Mo |
- S# a1 k Q0 H- E( Y% M G | 0.1500 | 0 M1 a/ R9 B0 g! t( m
| | Ni |
( D) p- |# w/ D* m( P8 ~ | 0.2500 |
3 W! j: w& R0 a) x( M# ] | | V |
) Y$ {+ }5 p3 V | 0.0800 | * i, o) v( K: J* e+ _. m* U
| | Cu | 3 q- b; c. ]1 Z$ L
| 0.2000 | ! B- I) {. s7 c1 D" R! }+ H
| | N (*) | 3 f. ~( h: e; u- m
| 0.0080 |
' \: r' E6 d2 o7 K |
|
! \. P @$ F) o0 C0 o
http://www.key-to-steel.com/cn/img/nav/spacer.gif2 v/ k1 v& x: r# J2 q
| 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. |
8 H6 B2 c5 h, y3 J3 K3 W. S
) @. b! W% Q% F+ R+ _[ 本帖最后由 hourpp 于 2008-2-16 08:14 编辑 ] |
|
楼主