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Modelo: GB 9948
Marca: Enriquecer
Paquete: embalaje en cajas de madera o en paquetes hexagonales
productividad: 20000 Tons per Year
transporte: Ocean,Land,Air
Lugar de origen: China
Apoyo sobre: 60000 Ton per year
Certificados : ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
HS-Code: 7304293000
Hafen: Shanghai,Ningbo
Tipo de Pago: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Nombre de producto: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petróleo que agrieta tubos de acero inconsútiles
Somos fabricantes de Tubos de acero sin costura en China, si desea comprar Tubo de acero al carbono sin soldadura, Tubo de acero para cilindro de aceite, Tubo de acero sin costura de precisión, Tubo de acero para cilindro hidráulico, comuníquese con nosotros.
Diámetro de salida: 3 ~ 600 mm
Grosor de la pared: 0.5 ~ 50 mm
Solicitud: Se utiliza para tubos de acero sin costura para horno, intercambiadores de calor, craqueo de petróleo, etc.
Tabla1 Las tolerancias del diámetro exterior y la unidad de espesor de la pared : 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 |
Tabla2 La tolerancia del espesor mínimo de la pared Unidad: 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 |
Tabla 3 Grado de acero y composición química
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 |
Tabla 4 Estándar de tratamiento térmico
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)
|
Table5 Propiedad mecánica
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 |
Tabla6 Factor de atenuación por absorción de energía de impacto de una muestra pequeña
Specimen |
Specimen size(heightXwidth)mm |
Attenuation factor |
Standard sample |
10X10 |
1.00 |
Small sample |
10X7.5 |
0.75 |
Small sample |
10X5 |
0.50 |
Tabla7 Tasa de abocardado del diámetro de los tubos de acero
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 |
Tabla8 Elementos de prueba y cantidad de muestra de tubos de acero
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 |
Tabla A.1. Tabla de comparación del grado de acero similar
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 |
PRODUCTOS POR GRUPO : Tubos de acero sin costura
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.
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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.