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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( T2 @! G# g W k$ M$ n: B: ~
1 1 Carbon Manganese Steels, 4 Sub Groups
6 r: w) x" g" m& Z• Group 1 up to approx 65 ksi 3 v% ?. \9 A: ]4 C
• Group 2 Approx 70ksi
' P9 P! z" J: l- \" ?0 ~• Group 3 Approx 80ksi 8 |, c, ]2 w( c3 z+ _" s
• Group 4 ? 4 r: x- i4 n- j0 S- B
2 - Not Used5 D5 A) _% S1 Y
3 4 3 Sub Groups:- Typically half moly and half chrome half moly
9 {/ S* e; a8 \3 j' M; i4 5 2 Sub Groups:- Typically one and a quarter chrome half moly: D; V4 |* W2 V5 }) L3 N
5A 5 Typically two and a quarter chrome one moly
: x6 w2 Z# v2 k ?' ?% Y5B 5 2 Sub Groups:- Typically five chrome half moly and nine chrome one moly8 H# e9 C. T; X, B. x
5C 6 5 Sub Groups:- Chrome moly vanadium
4 q. B. Z; z. b/ j ^6 8 6 Sub Groups:- Martensitic Stainless Steels Typically Grade 410, T$ |1 [5 p8 W6 @0 P1 @
7 8 Ferritic Stainless Steels Typically Grade 409
7 M6 R* f" m1 a, v/ R1 X+ o. k3 k8 9 Austenitic Stainless Steels, 4 Sub groups
) f o( ?5 b& E• Group1 Typically Grades 304, 316, 347 4 O+ s% q2 t2 [+ E, f! I
• Group 2 Typically Grades 309, 310
5 m" w0 \1 }5 d, A. K; g5 X; u• Group 3 High manganese grades 7 l# O) A7 q2 Y5 X
• Group 4 Typically 254 SMO type steels
! l0 ~$ t w3 N! Z$ \3 @* A5 K9A, B, C 7 Typically two to four percent Nickel Steels
7 o, D, H- P& {! t( r i10A,B,C,F,G ? Mixed bag of low alloy steels, 10G 36 Nickel Steel
" d6 E( ^4 }! \/ x4 o8 E10 H 10 Duplex and Super Duplex Grades 31803, 32750
8 f* {/ n$ ^2 C6 b" `- r9 V8 X( S10J ? Typically 26 Chrome one moly: q3 W' p* i _1 W% V
11A Group 1 7 9 Nickel Steels, W$ ?& ^" t' c; C8 Q* M
11 A Groups 2 to 5 ? Mixed bag of high strength low alloy steels.
) o* t. ^9 v' U Y11B ? 10 Sub Groups:- Mixed bag of high strength low alloy steels.; a. f0 s; w, X2 |* U
12 to 20 - Not Used" u1 S9 h- O7 y: S* i' U k
21 21 Pure Aluminium {; ?: h8 s5 W- g9 q. @+ _7 p; b6 G
22 22a Aluminium Magnesium Grade 5000
7 A$ r- d% Y' k! [' ~* t& r y5 |23 23 Aluminium Magnesium Silicone Grade 6000
- E) C+ {8 C9 `# _( ]4 L" P24 - Not Used
" V% b `. {, R25 22b Aluminium Magnesium Manganese Typically 5083, 50867 f* U9 L! }- |% D1 E7 J
26 to 30 Not used" O7 e2 h5 A1 u9 n1 b( p, u3 q
31 Pure Copper
6 V. k7 y* g( {32 Brass `9 \ L: W4 K5 H: m, z7 i
33 Copper Silicone3 M! [: q5 u1 g& c5 q0 g& m
34 Copper Nickel6 S4 {( E8 X0 D
35 Copper Aluminium* Q% q$ J! X! r
36 to 40 Not Used
W% B6 \; v3 c5 s1 N: J, s41 Pure Nickel0 ] a% F2 S/ q( C
42 Nickel Copper:- Monel 500
0 D. S& Y* L% ?+ `43 Nickel Chrome Ferrite:- Inconel2 {/ D7 ^9 D9 u5 L e/ Z
44 Nickel Moly:- Hastelloy C22, C276" Z% S) [ t. d/ j! T
45 Nickel Chrome :- Incoloy 800, 825 _! t8 x& K4 m5 `
46 Nickel Chrome Silicone0 n9 b9 t6 q" A* _; i8 ^
47 Nickel Chrome Tungstone
2 M* n9 L8 G( Z47 to 50 Not Used0 d& z7 N {9 s# ?( a
51, 52, 53 Titanium Alloys1 `4 ?6 v9 ]8 @# W, ]: J! C& {
61, 62 Zirconium Alloys! U9 r% [5 L: @- m& U8 p
# d# g& I* }& ^$ |% y
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; l9 F8 D/ X- O0 Q( t" r[ 本帖最后由 jiangpeng 于 2007-6-21 19:52 编辑 ] |
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