Nneɛma a wɔde yɛ dade a wɔde gu nneɛma mu no ho gyinapɛn ahorow a wɔaboaboa ano .
Table 1 Nnuru a ɛwɔ mu (%) GB919- - -67
|
Steel a ɛyɛ grade . |
C |
Mn . |
SI . |
SP( a ennu anaasɛ ɛne no yɛ pɛ ) . |
||
|
Ⅰ |
Ⅱ |
Ⅲ |
||||
|
ZG15 na ɛwɔ hɔ. |
0.12~0.22 |
0.35~0.65 |
0.20~0.45 |
0.04 |
0.05 |
0.06 |
|
ZG25 na ɛwɔ hɔ. |
0.22~0.32 |
0.50~0.80 |
0.20~0.45 |
0.04 |
0.05 |
0.06 |
|
ZG35 na ɛwɔ hɔ. |
0.32~0.42 |
0.50~0.80 |
0.20~0.45 |
0.04 |
0.05 |
0.06 |
|
ZG45 na ɛwɔ hɔ. |
0.42~0.52 |
0.50~0.80 |
0.20~0.45 |
0.04 |
0.05 |
0.06 |
|
ZG55 na ɛwɔ hɔ. |
0.52~0.62 |
0.50~0.80 |
0.20~0.45 |
0.04 |
0.05 |
0.06 |
Hyɛ no nsow: I —— dade a wɔde ayɛ nneɛma a ɛkɔ anim; —— dade a wɔde ayɛ ade a ɛkorɔn; —— dade a wɔde ayɛ cast a ɛyɛ ɔkwan biara so; I, anaasɛ wɔankyerɛ wɔ dade nɔma no akyi, wobu no sɛ dade a wɔde ayɛ grade cast.
Table 2 Nnuru a ɛwɔ mu GB/T5000.6-1998 a ɛyɛ carbon dade .
|
Steel a ɛyɛ grade . |
Nneɛma a ɛwɔ mu a ɛkorɔn sen biara ne (%) . |
|||||||||
|
C |
SI . |
Mn . |
S |
P |
Nneɛma a aka . |
|||||
|
Ni . |
CR . |
cu . |
MO . |
V |
||||||
|
ZG200 ~ 400 na ɛwɔ hɔ. |
0.20 |
0.50 |
0.80 |
0.04 |
0.04 |
0.30 |
0.35 |
0.30 |
0.20 |
0.05 |
|
ZG230 ~ 450 na ɛwɔ hɔ. |
0.30 |
0.90 |
||||||||
|
ZG270 ~ 500 na ɛwɔ hɔ. |
0.40 |
|||||||||
|
ZG310 ~ 570 na ɛwɔ hɔ. |
0.50 |
0.60 |
||||||||
|
ZG340 ~ 640 na ɛwɔ hɔ. |
0.60 |
|||||||||
hwie:1. Tew soro anohyeto no so 0.01% carbon, ma kwan ma 0.04% manganese foforo. zg 200 ~ 400 manganese a ɛkɔ 1.00% no, manganese anan a aka no kɔ soro kodu 1.20%.
2. Nneɛma a aka no nyinaa dodow ntra 1.00%. Sɛ nea ɔretɔ no nhwehwɛ a, ebia wɔrenhwehwɛ nneɛma a aka no mu.
3. Sɛ wɔde acid fononoo di dwuma de yɛ castings a, S ne P a ɛwɔ mu no, afã abien no nyinaa bɛpene so.
Table 3 Nnuru a ɛwɔ mu JB/T5000.6-1998 a ɛyɛ dade a wɔde afra a ɛba fam .
|
Sotɔɔ bi din . |
C |
SI . |
Mn . |
P |
S |
CR . |
Ni . |
MO . |
cu . |
|
ZG30MN . |
0.27~0.34 |
0.30~0.50 |
1.20~1.50 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
ZG40MN . |
0.35~0.45 |
0.30~0.45 |
1.20~1.50 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
ZG40MN2. |
0.35~0.45 |
0.20~0.40 |
1.60~1.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
zg50mn2. |
0.45~0.55 |
0.20~0.40 |
1.50~1.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
zg20mn(ZG20SIMN) . |
0.12~0.22 |
0.60~0.80 |
1.00~1.30 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
nea ennu anaasɛ ɛne no yɛ pɛ 0.40 . |
－ |
－ |
|
|
ZG35MN(ZG35SIMN) . |
0.30~0.40 |
0.60~0.80 |
1.10~1.40 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
ZG35Simnmo . |
0.32~0.40 |
1.10~1.40 |
1.10~1.40 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
0.20~0.30 |
nea ennu anaasɛ ɛne 0.30 yɛ pɛ . |
|
|
ZG35CRMnsi . |
0.30~0.40 |
0.50~0.75 |
0.90~1.20 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.50~0.80 |
－ |
－ |
－ |
|
|
ZG20mnmo . |
0.17~0.23 |
0.20~0.40 |
1.10~1.40 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
|
－ |
0.20~0.35 |
nea ennu anaasɛ ɛne 0.30 yɛ pɛ . |
|
|
ZG55CRMNO(ZG5CRMNMO) na ɛwɔ hɔ. |
0.50~0.60 |
0.25~0.60 |
1.20~1.60 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.60~0.90 |
－ |
0.20~0.30 |
nea ennu anaasɛ ɛne 0.30 yɛ pɛ . |
|
|
zg40crl (ZG40CR) na ɛwɔ hɔ. |
0.35~0.45 |
0.20~0.40 |
0.50~0.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.80~1.10 |
－ |
－ |
－ |
|
|
ZG34CR2NI2Mo(ZG34CRNIMO) na ɛwɔ hɔ. |
0.30~0.37 |
0.30~0.60 |
0.60~1.00 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
1.40~1.70 |
1.40~1.70 |
0.15~0.35 |
－ |
|
|
ZG20CRMO . |
0.17~0.25 |
0.20~0.45 |
0.50~0.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.50~0.80 |
－ |
0.40~0.60 |
－ |
|
|
ZG35CRMO(ZG35CRMO) na ɛwɔ hɔ. |
0.30~0.37 |
0.30~0.50 |
0.50~0.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.80~1.20 |
－ |
0.20~0.30 |
－ |
|
|
ZG42CRMO(ZG42CRMO) na ɛwɔ hɔ. |
0.38~0.45 |
0.30~0.60 |
0.60~1.00 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.80~1.20 |
－ |
0.20~0.30 |
－ |
|
|
ZG50CRMO(ZG50CRMO) na ɛwɔ hɔ. |
0.46~0.54 |
0.25~0.50 |
0.50~0.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.90~1.20 |
－ |
0.15~0.25 |
－ |
|
|
ZG65MN . |
0.60~0.70 |
0.17~0.37 |
0.90~1.20 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
－ |
－ |
－ |
－ |
|
|
ZG28nicrmo . |
0.25~0.30 |
0.30~0.80 |
0.60~0.80 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.35~0.85 |
0.40~0.80 |
0.35~0.55 |
－ |
|
|
ZG30nicrmo . |
0.25~0.35 |
0.30~0.60 |
0.70~1.00 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.60~0.90 |
0.60~1.00 |
0.35~0.50 |
－ |
|
|
ZG35nicrmo . |
0.30~0.37 |
0.60~0.90 |
0.70~1.00 |
nea ennu anaasɛ ɛne 0.035 yɛ pɛ . |
0.40~0.90 |
0.60~0.90 |
0.40~0.50 |
－ |
|
Hyɛ no nsow: 1. Nnɔmba a ɛwɔ brackets mu no yɛ atetesɛm nɔma.2. Nneɛma a aka a ɛwɔ mu: Ni 0.30%, CR 0.30%, Cu 0.25%, MO 0.15%, V 0.05%, nneɛma a aka nyinaa 1%. Sɛ nea ɔhwehwɛ no nni ahwehwɛde biara a, wɔremfa nneɛma a aka no nni dwuma sɛ nea wobegyina so agye atom.
Table 4 JB / T7024- - -2002
|
Sotɔɔ bi din . |
C |
Mn . |
SI . |
P |
S |
CR . |
MO . |
V |
|
ZG20CRMO . |
0.15~0.25 |
0.50~0.80 |
0.20~0.60 |
Nea ennu anaasɛ ɛne no yɛ pɛ 0.030 . |
Nea ennu anaasɛ ɛne no yɛ pɛ 0.030 . |
0.50~0.80 |
0.40~0.60 |
－ |
|
ZG15CRMO . |
0.12~0.20 |
nea ennu anaasɛ ɛne no yɛ pɛ 0.60 . |
nea ennu anaasɛ ɛne 0.025 yɛ pɛ . |
1.00~1.50 |
0.45~0.65 |
0.20~0.30 |
||
|
ZG15Cr2mol . |
0.12~0.18 |
0.40~0.70 |
Nea ennu anaasɛ ɛne no yɛ pɛ 0.030 . |
2.00~2.75 |
0.90~1.20 |
|||
|
ZG20CRMov . |
0.18~0.25 |
0.20~0.60 |
0.90~1.20 |
0.50~0.70 |
0.25~0.40 |
|||
|
ZG15CRMOLV . |
0.12~0.20 |
1.20~1.70 |
0.90~1.20 |
|||||
|
Deviation a wɔma ho kwan . |
±0.02 |
±0.03 |
±0.04 |
±0.005 |
±0.005 |
±0.05 |
±0.03 |
±0.03 |
