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Modelo: GB/T14975
Marca: Enriquecer
Paquete: En paquetes con embalaje marinero
productividad: 50000tons/year
transporte: Ocean,Land,Air
Lugar de origen: Zhejiang, China (continental)
Apoyo sobre: 60000 Ton per year
Certificados : ISO9001:2008 ISO14001:2008, TS16949
HS-Code: 7306309000
Hafen: Shanghai,Ningbo
Tipo de Pago: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Nombre del producto : Tubos inconsútiles del acero inoxidable de Torich GB / T14975 304/316 para la estructura
Estándar : GB / T14975
Rango de tamaño : OD: 3-420mm WT: 0.5-50mm Longitud : 1-12mm o según la aplicación y producción real de los clientes.
Aplicación : para fines estructurales
Grado de acero :
Tecnología : laminado en frío en caliente laminado en frío
Característica:
Buena concentricidad
Buena calidad superficial
Buena tolerancia de OD e ID
Alta precisión
Calidad estable
Rugosidad suave
ASEGURAMIENTO DE LA CALIDAD TORICH
Tabla 1 La tolerancia del diámetro exterior nominal y la unidad de espesor de la pared : mm
Hot Roll(Extrusion.Expansion)Steel Tube |
Cold Drawn(Roll) Steel Tube |
||||||
Diamension |
Tolerance |
Diamension |
Tolerance |
||||
Ordinary Level PA |
High Level PC |
Ordinary Level PA |
High Level PC |
||||
Nominal Outer Diameter D |
<76.1 |
±1.25%D |
±0.60 |
Nominal Outer Diameter D |
<12.7 |
±0.30 |
±0.10 |
76.1~<139.7 |
±0.80 |
12.7~<38.1 |
±0.30 |
±0.15 |
|||
139.7~<273.1 |
±1.5%D |
±1.20 |
38.1~<88.9 |
±0.40 |
±0.30 |
||
88.9~<139.7 |
±0.9%D |
±0.40 |
|||||
273.1~<323.9 |
±1.60 |
139.7~<203.2 |
±0.80 |
||||
203.2~<219.1 |
±1.10 |
||||||
≥323.9 |
±0.6%D |
219.1~<323.9 |
±1.60 |
||||
≥323.9 |
±0.5%D |
||||||
Nominal Wall Thinckness S |
All Wall Thickness |
+15%S -12.52%S |
±12.5%S |
Nominal Wall Thinckness S |
All Wall Thickness |
+12.5%S -10%S |
±10%S |
Tabla 2 Tolerancia del espesor mínimo de pared Unidad: mm
Production Method |
Diamension |
Tolerance |
|
Ordinary Level PA |
High Level PC |
||
Hot Roll(Extrusion.Expansion)Steel Tube W-H |
Smin<15 |
+27.5% Smin 0 |
+25% Smin 0
|
Smin≥15 |
+35% Smin 0 |
||
Cold Drawn(Roll) Steel Tube W-C |
All Wall Thickness |
+22% S 0 |
+20% S 0 |
Tabla 3 Grado y componente químico
No. |
Unified Digital Code |
Grade |
Chemical Component(Quality Fraction)/% |
|||||||||
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
N |
|||
1 |
S30210 |
12Cr18Ni9 |
0.15 |
1.00 |
2.00 |
0.040 |
0.030 |
8.00~10.00 |
17.00~19.00 |
- |
- |
0.10 |
2 |
S30408 |
06Cr19Ni10 |
0.08 |
1.00 |
2.00 |
0.040 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
- |
3 |
S30403 |
022Cr19Ni10 |
0.030 |
1.00 |
2.00 |
0.040 |
0.030 |
8.00~12.00 |
18.00~20.00 |
- |
- |
- |
4 |
S30458 |
06Cr19Ni10N |
0.08 |
1.00 |
2.00 |
0.040 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
0.10~0.16 |
5 |
S30478 |
06Cr19Ni9NbN |
0.08 |
1.00 |
2.50 |
0.040 |
0.030 |
7.50~10.50 |
18.00~20.00 |
- |
- |
0.15~0.30 |
6 |
S30453 |
022Cr19Ni10N |
0.030 |
1.00 |
2.00 |
0.040 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
0.10~0.16 |
7 |
S30908 |
06Cr23Ni13 |
0.08 |
1.00 |
2.00 |
0.040 |
0.030 |
12.00~15.00 |
22.00~24.00 |
- |
- |
- |
8 |
S31008 |
06Cr25Ni20 |
0.08 |
1.50 |
2.00 |
0.040 |
0.030 |
19.00~22.00 |
24.00~26.00 |
- |
- |
- |
9 |
S31252 |
015Cr20Ni18Mo6CuN |
0.02 |
0.80 |
1.00 |
0.030 |
0.010 |
17.50~18.50 |
19.50~20.50 |
6.00~6.50 |
0.50~1.00 |
0.18~0.22 |
10 |
S31608 |
06Cr17Ni12Mo2 |
0.08 |
1.00 |
2.00 |
0.040 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
11 |
S31603 |
022Cr17Ni12Mo2 |
0.030 |
1.00 |
2.00 |
0.040 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
Tabla 4 Propiedades Mecánicas
No. |
Serial number |
Steel Grade |
Mechnical Properties |
Hardness |
||
tensile strength Rm/MPa |
elongation strength Rp0.2/MPa |
elongation after fracture A/% |
HBW/HV/HRB |
|||
≥ |
≤ |
|||||
1 |
S30210 |
12Cr18Ni9 |
520 |
205 |
35 |
192HbW/200HV/90HRB |
2 |
S30438 |
06Cr19Ni10 |
520 |
205 |
35 |
192HbW/200HV/90HRB |
3 |
S30403 |
022Cr19Ni10 |
480 |
175 |
35 |
192HbW/200HV/90HRB |
4 |
S30458 |
06Cr19Ni10N |
550 |
275 |
35 |
192HbW/200HV/90HRB |
5 |
S30478 |
06Cr19Ni9NbN |
685 |
345 |
35 |
- |
6 |
S30453 |
022Cr19Ni10N |
550 |
245 |
40 |
192HbW/200HV/90HRB |
7 |
S30908 |
06Cr23Ni13 |
520 |
205 |
40 |
192HbW/200HV/90HRB |
8 |
S31008 |
06Cr25Ni20 |
520 |
205 |
40 |
192HbW/200HV/90HRB |
9 |
S31252 |
015Cr20Ni18Mo6CuN |
655 |
310 |
35 |
220HbW/230HV/96HRB |
10 |
S31608 |
06Cr17Ni12Mo2 |
520 |
205 |
35 |
192HbW/200HV/90HRB |
11 |
S31603 |
022Cr17Ni12Mo2 |
480 |
175 |
35 |
192HbW/200HV/90HRB |
12 |
S31609 |
07Cr17Ni12Mo2Ti |
515 |
205 |
35 |
192HbW/200HV/90HRB |
13 |
S31668 |
06Cr17Ni12Mo2N |
530 |
205 |
35 |
192HbW/200HV/90HRB |
14 |
S31653 |
022Cr17Ni12Mo2N |
550 |
245 |
40 |
192HbW/200HV/90HRB |
15 |
S31658 |
06Cr17Ni12Mo2N |
550 |
275 |
35 |
192HbW/200HV/90HRB |
16 |
S31688 |
06Cr18Ni12Mo2Cu2 |
520 |
205 |
35 |
- |
17 |
S31683 |
022Cr18Ni14Mo2Cu2 |
480 |
180 |
35 |
- |
18 |
S31782 |
015Cr21Ni26Mo5Cu2 |
490 |
215 |
35 |
192HbW/200HV/90HRB |
Tabla 5 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 |
1 sample from each of two steel tubes on each batch |
4 |
Ultrasonic testing |
ALL |
5 |
Hydraulic test |
ALL |
6 |
Flattening test |
1 sample from each of two steel tubes on each batch |
7 |
Expansion test |
1 sample from each of two steel tubes on each batch |
8 |
Eddy current testing |
ALL |
9 |
Intergranular corrosion test |
1 sample from each of two steel tubes on each batch |
China Los fabricantes de tubos de acero inoxidable, nuestro tubo de escape de acero inoxidable, tubo de acero soldado, tubería de acero inoxidable redondo, tubo de acero inoxidable polaco, tubo en espiral inoxidable, tubo de acero inoxidable dúplex son buenos en calidad y competitivo en precio.
PRODUCTOS POR GRUPO : Tubo de acero inoxidable
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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.