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Modello: GB 9948
marchio: Torich
Pacchetto: imballaggio in scatole di legno o in fasci esagonali
produttività: 20000 Tons per Year
Trasporti: Ocean,Land,Air
Luogo di origine: Cina
Supportare: 60000 Ton per year
Certificati : ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
Codice SA: 7304293000
Porta: Shanghai,Ningbo
Tipo di pagamento: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Nome del prodotto: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petrolio Cracking tubi in acciaio senza saldatura
Siamo produttori di tubi in acciaio senza saldatura in Cina, se si desidera acquistare tubi in acciaio al carbonio senza saldatura, tubi in acciaio per cilindro dell'olio, tubi in acciaio senza saldatura di precisione, tubi in acciaio per cilindri idraulici, non esitate a contattarci.
Fuori diametro: 3 ~ 600 mm
Spessore della parete: 0,5 ~ 50mm
Applicazione: Viene utilizzato per tubi di acciaio senza saldatura per forni, scambiatori di calore, cracking di petrolio, ecc.
Tabella 1 Tolleranze del diametro esterno e unità spessore parete : mm
Sort Code |
Manufacuring Method |
Nominal Size |
Tolerances |
||
Common Level |
High Level |
||||
W-H |
Hot Rolling (Extrusion) |
Outer Diameter D |
≤54 |
±0.50 |
±0.30 |
>54~325 |
±1%D |
±0.75%D |
|||
>325 |
±1%D |
- |
|||
Wall Thicknass S |
≤20 |
+15%S -10%S |
±10%S |
||
>20 |
+12.5%S -10%S |
±10%S |
|||
Hot Expand |
Outer Diameter D |
All |
±1%D |
||
Wall Thicknass S |
All |
±15%S |
|||
W-C |
Cold Drawn(Rolling) |
Outer Diameter D |
≤25.4 |
±0.15 |
|
>25.4~40 |
±0.20 |
||||
>40~50 |
±0.25 |
||||
>50~60 |
±0.30 |
||||
>60 |
±0.75%D |
±0.5%D |
|||
Wall Thicknass S |
≤3.0 |
±0.3 |
±0.2 |
||
>3.0 |
±10%S |
±7.5%S |
Tabella 2 Tolleranza dell'unità spessore parete minima: mm
Sort Code |
Manufacturing Method |
Minimum Wall Thickness Smin |
Tolerance |
|
Common Level |
High Level |
|||
W-H |
Hot Rolling(Extrusion) |
≤4.0 |
+0.90 0 |
+0.70 0 |
>4.0 |
+25%Smin 0 |
+22%Smin 0 |
||
W-C |
Cold Drawn(Rolling) |
≤3.0 |
+0.6 0 |
+0.4 0 |
>3.0 |
+20%Smin 0 |
+15%Smin 0 |
Tabella 3 Grado di acciaio e composizione chimica
Steel grade |
Chemical composition % |
|||||||||||
C |
Si |
Mn |
Cr |
Mo |
Ni |
Nb |
Ti |
V |
Cu |
P |
S |
|
≤ |
||||||||||||
10 |
0.07~ 0.13 |
0.17~ 0.37 |
0.35~ 0.65 |
≤0.15 |
≤0.15 |
≤ 0.25 |
- |
- |
≤0.08 |
≤0.20 |
0.025 |
0.015 |
20 |
0.17~ 0.23 |
0.17~ 0.37 |
0.35~ 0.65 |
≤0.25 |
≤0.15 |
≤ 0.25 |
- |
- |
≤0.08 |
≤0.20 |
0.025 |
0.015 |
12CrMo |
0.08~ 0.15 |
0.17~ 0.37 |
0.40~ 0.70 |
0.40~ 0.70 |
0.40~ 0.55 |
≤ 0.30 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
15CrMo |
0.12~ 0.018 |
0.17~ 0.37 |
0.40~ 0.70 |
0.80~ 1.10 |
0.40~ 0.55 |
≤ 0.30 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
12CrlMo |
0.08~ 0.15 |
0.50~ 1.00 |
0.30~ 0.60 |
1.00~ 1.50 |
0.45~ 0.65 |
≤ 0.30 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
12CrlMoV |
0.08~ 0.15 |
0.17~ 0.37 |
0.40~ 0.70 |
0.90~ 1.20 |
0.25~ 0.35 |
≤ 0.30 |
- |
- |
0.15~ 0.30 |
≤0.20 |
0.025 |
0.015 |
12Cr2Mo |
0.08~ 0.15 |
≤0.50 |
0.40~ 0.60 |
2.00~ 2.50 |
0.90~ 1.13 |
≤ 0.30 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
12Cr5MoI 12Cr5MoNT |
≤ 0.15 |
≤0.50 |
0.30~ 0.60 |
4.00~ 6.00 |
0.45~ 0.60 |
≤ 0.60 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
12Cr9MoI 12Cr9MoNT |
≤ 0.15 |
0.25~ 1.00 |
0.30~ 0.60 |
8.00~ 10.00 |
0.90~ 1.10 |
≤ 0.60 |
- |
- |
- |
≤0.20 |
0.025 |
0.015 |
07Cr19Ni10 |
0.04~ 0.10 |
≤ 1.00 |
≤2.00 |
18.00~ 20.00 |
- |
8.00~ 11.00 |
- |
- |
- |
- |
0.030 |
0.015 |
07Cr18Ni11Nb |
0.04~ 0.10 |
≤ 1.00 |
≤2.00 |
17.00~ 19.00 |
- |
9.00~ 12.00 |
8C~ 1.10 |
- |
- |
- |
0.030 |
0.015 |
07Cr19Ni11NTi |
0.04~ 0.10 |
≤0.75 |
≤2.00 |
17.00~ 20.00 |
- |
9.00~ 13.00 |
- |
4C~ 0.60 |
- |
- |
0.030 |
0.015 |
022Cr17Ni12Mo2 |
≤ 0.30 |
≤1.00 |
≤2.00 |
16.00~ 18.00 |
2.00~ 3.00 |
10.00~ 14.00 |
- |
- |
- |
- |
0.030 |
0.015 |
Tabella 4 Standard di trattamento termico
Steel Grade |
Heat Treatment Standard |
10a |
Normalizing;At Temperature 880℃~940℃ |
20a |
Normalizing:At Temperature 880℃~940℃ |
12CrMob |
Normalizing:At Temperature 900℃~960℃ Tempering:At Temperature 670℃~730℃ |
15CrMob |
Normalizing:At Temperature 900℃~960℃ Tempering:At Temperature 680℃~730℃ |
12Cr1Mob |
Normalizing:At Temperature 900℃~960℃ Tempering:At Temperature 680℃~750℃ |
12Cr1MoVb |
S≤30mm:Normalizing:At Temperature 980℃~1020℃ Tempering:At Temperature 720℃~760℃ S>30mm:Quenching:At Temperature 950℃~990℃ Tempering:At Temperature 720℃~760℃ Or Normalizing:At Temperature 980℃~1020℃ (rapid cooling after Normalizing) Tempering:At Temperature 720℃~760℃ |
12Cr2Mob |
S≤30mm:Normalizing:At Temperature 900℃~960℃ Tempering:At Temperature 700℃~750℃ S>30mm:Quenching:At Temperature ≥ 900℃ Tempering:At Temperature 700℃~750℃ Or Normalizing:At Temperature 900℃~960℃ (rapid cooling after Normalizing) Tempering:At Temperature 700℃~750℃ |
12Cr5MoI |
Full Annealing or isothermal annealing |
12Cr5MoNT |
Normalizing:At Temperature 930℃~980℃ Tempering:At Temperature 730℃~770℃ |
12Cr9MoI |
Full Annealing or isothermal annealing |
12Cr9MoNT |
Normalizing:At Temperature 890℃~950℃ Tempering:At Temperature 720℃~800℃ |
07Cr19Ni10 |
Treatment with solid solving:At Temperature ≥ 1040℃ (rapid cooling after Treatment)
|
07Cr18Ni11Nb |
Treatment with solid solving: For Hot Rolled Tube At Temperature ≥ 1050℃ For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃ (rapid cooling after Treatment)
|
07Cr19Ni11Ti |
Treatment with solid solving: For Hot Rolled Tube At Temperature ≥ 1050℃ For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃ (rapid cooling after Treatment)
|
Tabella5 Proprietà meccanica
Steel Grade |
Tensile Strength Rm/MPa |
Lower yield strength Rp0.2/MPa |
Elongation A/% |
Shock absorption KV2/J |
Brinell hardness |
||
Longitudinal direction |
Transverse |
Longitudinal direction |
Transverse |
||||
≥ |
≤ |
||||||
10 |
335~475 |
205 |
25 |
23 |
40 |
27 |
- |
20 |
410~550 |
245 |
24 |
22 |
40 |
27 |
- |
12CrMo |
410~560 |
205 |
21 |
19 |
40 |
27 |
156HBW |
15CrMo |
440~640 |
295 |
21 |
19 |
40 |
27 |
170HBW |
12Cr1Mo |
415~560 |
205 |
22 |
20 |
40 |
27 |
163HBW |
12Cr2MoV |
470~640 |
255 |
21 |
19 |
40 |
27 |
179HBW |
12Cr2Mo |
450~600 |
280 |
22 |
20 |
40 |
27 |
163HBW |
12Cr5MoI |
415~590 |
205 |
22 |
20 |
40 |
27 |
163HBW |
12Cr5MoNT |
480~640 |
280 |
20 |
18 |
40 |
27 |
- |
12Cr9MoI |
460~640 |
210 |
20 |
18 |
40 |
27 |
179HBW |
12Cr9MoNT |
590~740 |
390 |
18 |
16 |
40 |
27 |
- |
07Cr19Ni10 |
≥520 |
205 |
35 |
- |
- |
187HBW |
|
07Cr18Ni11Nb |
≥520 |
205 |
35 |
- |
- |
187HBW |
|
07Cr19Ni11Ti |
≥520 |
205 |
35 |
- |
- |
187HBW |
|
022Cr17Ni12Mo2 |
≥485 |
170 |
35 |
- |
- |
187HBW |
|
If the wall thickness of the tube is less than 5mm, doesn`t have to do the hardness test |
Tabella 6 Fattore di attenuazione dell'assorbimento di energia di impatto di un piccolo campione
Specimen |
Specimen size(heightXwidth)mm |
Attenuation factor |
Standard sample |
10X10 |
1.00 |
Small sample |
10X7.5 |
0.75 |
Small sample |
10X5 |
0.50 |
Tabella 7 Tasso di svasatura del diametro dei tubi di acciaio
Steel |
Diameter flaring rate of steel tubes/% |
||
ID/OD |
|||
≤0.6 |
>0.6~0.8 |
>0.8 |
|
Carbon structural steel |
10 |
12 |
17 |
Alloy structural steel |
8 |
10 |
15 |
Stainless(heat resistance)steel |
12 |
15 |
20 |
Tabella 8 Test di articoli e quantità di campionamento di tubi di acciaio
Number |
Testing items |
Sampling quantity |
1 |
Chemical composition |
1 sample from each furnace |
2 |
Tensile test |
1 sample from each of two steel tubes on each batch |
3 |
Hardness test |
3 samples taken on 2 steel tubes on each batch |
4 |
Impact test |
All |
5 |
Hydraulic test |
1 sample from each of two steel tubes on each batch |
6 |
Flattening test |
2 samples taken on 2 steel tubes on each batch |
7 |
Bending test |
1 sample taken on 2 steel tubes on each furnace |
8 |
Flaring test |
2 samples taken on 2 steel tubes on each batch |
9 |
Macroscopic examination |
1 sample taken on 2 steel tubes on each furnace |
10 |
Non-metallic inclusions |
1 sample taken on 2 steel tubes on each furnace |
11 |
Eddy current testing |
All |
12 |
Magnetic flux leakage detection |
All |
13 |
Ultrasonic testing |
All |
14 |
Intergranular corrosion test |
1 sample from each of two steel tubes on each batch |
Tabella A.1 Tabella di confronto di grado d'acciaio simile
No. |
GB |
Similar Steel Grade |
|||
ISO |
EN |
ASTM/ASME |
JIS |
||
1 |
10 |
- |
P195GH |
A |
STB 340 |
2 |
20 |
PH26 |
P235GH |
A-1.B |
STB 410 |
3 |
12CrMo |
- |
- |
T2/P2 |
STBA 20 |
4 |
15CrMo |
13CrMo4-5 |
13CrMo4-5 |
T12/P12 |
STBA 22 |
5 |
12Cr1Mo |
- |
10CrMo5-5 |
T11/P11 |
STBA 23 |
6 |
12Cr1MoV |
- |
- |
- |
- |
7 |
12Cr2Mo |
10CrMo9-10 |
10CrMo9-10 |
T22/P22 |
STBA 24 |
8 |
12Cr5Mo-I |
X11CrMo9-1TA |
X11CrMo5+I |
T5/P5 |
STBA 25 |
9 |
12Cr5Mo-NT |
- |
X11CrMo5+NT |
T5/P5 |
STBA 25 |
10 |
12Cr9Mo-I |
X11CrMo9-1TA |
X11CrMo9-1+I |
T9/P9 |
STBA 26 |
11 |
12Cr9Mo-NT |
- |
X11CrMo9-1+NT |
T9/P9 |
STBA 26 |
12 |
07Cr19Ni10 |
X7CrNi18-9 |
X6CrNi18-10 |
TP304H |
SUS 304H TB |
13 |
07Cr18Ni11Nb |
X7CrNiNb18-10 |
X7CrNiNb18-10 |
TP347H |
SUS 347H TB |
14 |
07Cr19Ni11Ti |
- |
X6CrNiTi18-10 |
TP321H |
SUS 321H TB |
15 |
022Cr17Ni12Mo2 |
- |
X2CrNiMo17-12-2 |
TP316L |
SUS 316L TB |
Elenco prodotti : Tubi in acciaio senza saldatura
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.