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发表于 2007-6-21 19:49:47
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来自： 美国
P No. EN288 Base Metal
, F: A; P" D) u4 [1 q- V4 }+ N* e1 1 Carbon Manganese Steels, 4 Sub Groups
8 s( p3 n1 v+ T/ O• Group 1 up to approx 65 ksi
) t4 D$ E) b8 J; T• Group 2 Approx 70ksi ' r0 F2 Y4 o" ?3 K& `4 w1 S
• Group 3 Approx 80ksi
7 K- J" Q+ m$ z• Group 4 ? 6 r' g3 S/ p* d% `/ b' q6 R# F2 b* {
2 - Not Used ?( j7 i/ }* t& [: Z9 ~& @
3 4 3 Sub Groups:- Typically half moly and half chrome half moly* W; g) G: B( \) k( W& q' s/ m
4 5 2 Sub Groups:- Typically one and a quarter chrome half moly
* |( ?8 k" \9 _: ^- E1 ?, W, B- ]5A 5 Typically two and a quarter chrome one moly* E. A% f' [( c# {3 w, B3 A7 i
5B 5 2 Sub Groups:- Typically five chrome half moly and nine chrome one moly
) K6 C; }7 u% K4 F5C 6 5 Sub Groups:- Chrome moly vanadium
1 U! |$ x8 S7 }) }6 8 6 Sub Groups:- Martensitic Stainless Steels Typically Grade 410: _; r/ Z* ^# f4 i
7 8 Ferritic Stainless Steels Typically Grade 4090 t3 z) Z3 d& q( \! Y
8 9 Austenitic Stainless Steels, 4 Sub groups ! p/ H8 k( {! V h' s3 d: m
• Group1 Typically Grades 304, 316, 347
/ v) W$ v1 R3 V• Group 2 Typically Grades 309, 310 9 J7 ]2 x) N" H- ~( d: O+ S' O
• Group 3 High manganese grades 3 e$ H6 L! ~+ y( z6 a
• Group 4 Typically 254 SMO type steels
* d! n: s$ K1 |2 T: b2 T; I ~5 t4 \" `9A, B, C 7 Typically two to four percent Nickel Steels
- C5 ~9 n6 @7 _, j q10A,B,C,F,G ? Mixed bag of low alloy steels, 10G 36 Nickel Steel5 R$ p; G$ j- d9 N8 y3 e
10 H 10 Duplex and Super Duplex Grades 31803, 327505 H8 R' h+ v0 K- z5 V
10J ? Typically 26 Chrome one moly( N/ s4 F: j( T6 r/ u' V
11A Group 1 7 9 Nickel Steels- ?; V) N4 N, S _, y4 [0 p
11 A Groups 2 to 5 ? Mixed bag of high strength low alloy steels.
/ F+ I! x$ G6 _, f" ]11B ? 10 Sub Groups:- Mixed bag of high strength low alloy steels.1 ~0 o5 o+ u; I0 b
12 to 20 - Not Used8 U- P' b3 p7 q# H* P$ g# [
21 21 Pure Aluminium
1 E$ ]6 W& I& }) O& U22 22a Aluminium Magnesium Grade 5000. ~3 E4 s6 E# R" C m
23 23 Aluminium Magnesium Silicone Grade 6000
8 G* J7 l/ m8 [- A/ k: M. q24 - Not Used* W! q% `& d" V
25 22b Aluminium Magnesium Manganese Typically 5083, 5086# v/ l, {2 A5 x' n& K
26 to 30 Not used
. T, C8 |: b: ^# _5 h- l5 ]31 Pure Copper' ]$ A3 @% a( z
32 Brass
6 S- I3 h/ o! {; _& ~% J6 d33 Copper Silicone
: V$ M0 ~- n( ~2 c" P) a: b! o34 Copper Nickel
1 W p! v) V3 e$ d9 F35 Copper Aluminium
- s8 ]7 O i/ x2 a7 b/ |) h36 to 40 Not Used
( l/ D \2 g' P41 Pure Nickel
$ c; O) f& h8 v9 ]. e42 Nickel Copper:- Monel 500& X' J% b8 _2 k; g7 R
43 Nickel Chrome Ferrite:- Inconel+ I X2 F% r( G% T- m
44 Nickel Moly:- Hastelloy C22, C276
( C* J8 u# u+ E& W) s/ E3 T+ y45 Nickel Chrome :- Incoloy 800, 825 F' x8 z4 r8 b: U! k" s
46 Nickel Chrome Silicone2 N8 S6 K# N8 y, A- r
47 Nickel Chrome Tungstone
5 W3 a" t! Z/ b u. {' `2 B$ s47 to 50 Not Used
# E' @& p$ Y) @51, 52, 53 Titanium Alloys" t( \9 s8 J& ]: e" D$ V
61, 62 Zirconium Alloys
' h+ e% p( L1 D2 u# b5 ^, _8 ^! e% @5 F- z8 o: |
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