Home > Lista de Productos > Tubería de acero inoxidable > GB / T12770 12Cr18Ni9 019Cr19Mo2NbTi Tubos soldados de acero inoxidable para estructuras mecánicas

GB / T12770 12Cr18Ni9 019Cr19Mo2NbTi Tubos soldados de acero inoxidable para estructuras mecánicas

Tipo de Pago:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Cantidad de pedido mínima:
5 Ton
transporte:
Ocean,Land,Air
Hafen:
Ningbo,Shanghai,Zhoushan
  • Descripción
Overview
Atributos del producto

ModeloGB/T12770

MarcaEnriquecer

Capacidad de suministro e información a...

Paqueteen el embalaje marinero

productividad50000tons/year

transporteOcean,Land,Air

Lugar de origenZhejiang, China (continental)

Apoyo sobre60000 Ton per year

Certificados ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API

HS-Code7306110000

HafenNingbo,Shanghai,Zhoushan

Tipo de PagoL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Embalaje y entrega
Unidades de venta:
Ton
Tipo de paquete:
en el embalaje marinero

Nombre del producto: GB / T12770 Material 12Cr18Ni9 019Cr19Mo2NbTi Tubos soldados de acero inoxidable para estructuras mecánicas

S gama ize: OD: 3-500mm WT: 0.5-50mm L: 2000-12000mm acuerdo a la aplicación y la producción real de los clientes.

Aplicación: para fines de estructuras mecánicas

Grado de acero: 12Cr18Ni9,06Cr19Ni10,022Cr19Ni10,06Cr25Ni20,022Cr22Ni5Mo3N, 019Cr19Mo2NbTi, 06Cr13Al

Característica:

Buena concentricidad

Buena calidad superficial

Buena tolerancia de OD e ID

Alta precisión

Calidad estable

Rugosidad suave

ASEGURAMIENTO DE LA CALIDAD TORICH

Tabla1Tolerancia de OD

Classification Nominal OD Permissible Tolerance
PC PB PA

H

T

<25 ±0.20 ±0.15 ±0.10
≥25~<40 ±0.30 ±0.25 ±0.20
≥40~<63 ±0.50 ±0.30 ±0.25
≥63~<90 ±0.60 ±0.50 ±0.40
≥90~<159 ±0.80 ±0.65 ±0.50
≥159~<300 ±0.8%D ±0.7%D ±0.5%D
≥300~<610 ±0.1%D ±0.8%D ±0.6%D
≥10 protocol protocol protocol

WC

SP

<25 ±0.15 ±0.12 ±0.10
≥25~<40 ±0.20 ±0.15 ±0.13
≥40~<50 ±0.20 ±0.18 ±0.15
≥50~<60 ±0.25 ±0.20 ±0.18
≥60~<90 ±0.30 ±0.28 ±0.25
≥90~<100 ±0.40 ±0.35 ±0.30
≥100~<200 ±0.5%D ±0.4%D protocol
≥200 protocol protocol protocol

Tabla 2Tolerancia de WT

Nominal WT Permissible Tolerance
<0.5 ±0..10
≥0.5~1.0 ±0.15
>1.0~2.0 ±0.20
>2.0~<4.0 ±0.30
≥4.0 ±10%S

Tabla 3 Grado de flexión

Nominal Wall Thickness/mm Bending Degree/(mm/m)
≤108 ≤1.0
>108~325 ≤1.5
>325 ≤2.5

Tabla 4 La densidad del acero y el Cálculo del peso teórico

No. Steel Grade Density/(kg/dm3) The formula after conversion
1 12Cr18Ni9 7.93 W=0.02491S(D-S)
2 06Cr19Ni10
3 022Cr19Ni10 7.90 W=0.02482S(D-S)
4 06Cr25Ni20 7.98 W=0.02507S(D-S)
5 06Cr17Ni12Mo2 8.00 W=0.02513S(D-S)
6 022Cr17Ni12Mo2
7 06Cr18Ni11Ti 8.03 W=0.02523S(D-S)
8 06Cr18Ni11Nb
9 022Cr22Ni5Mo3N 7.80 W=0.02450S(D-S)
10 022Cr23Ni5Mo3N
11 022Cr25Ni7Mo4N
12 022Cr18Ti 7.70 W=0.02491S(D-S)
13 019Cr19Mo2NbTi 7.75 W=0.02435S(D-S)
14 06Cr13Al
15 022Cr11Ti
16 022Cr12Ni
17 06Cr13

Tabla 5 Calidad de acero y Componenet químico

No. Type Unified digital code Grade Chemical Componenet(Quality Fraction)/%
C Si Mn P S Ni Cr Mo N Others
1 Austenite S30210 12Cr18Ni9 ≤0.15 ≤0.75 ≤2.00 ≤0.040 ≤0.030 8~10 17~19 - ≤0.10 -
2 S30408 06Cr19Ni10 ≤0.08 ≤0.75 ≤2.00 ≤0.040 ≤0.030 8~11 18~20 - - -
3 S30403 022Cr19Ni10 ≤0.030 ≤0.75 ≤2.00 ≤0.040 ≤0.030 8~12 18~20 - - -
4 S31008 06Cr25Ni20 ≤0.08 ≤1.50 ≤2.00 ≤0.040 ≤0.030 19~22 24~26 - - -
5 S31608 06Cr17Ni12Mo2 ≤0.08 ≤0.75 ≤2.00 ≤0.040 ≤0.030 10~14 16~18 2~3 - -
6 S31603 022Cr17Ni12Mo2 ≤0.08 ≤0.75 ≤2.00 ≤0.040 ≤0.030 10~14 16~18 2~3 - -
7 S32168 06Cr18Ni11Ti ≤0.08 ≤0.75 ≤2.00 ≤0.040 ≤0.030 9~12 17~19 - - Ti15C~0.70
8 S34778 06Cr18Ni11Nb ≤0.08 ≤0.75 ≤2.00 ≤0.040 ≤0.030 9~12 17~19 - - Nb110C~1010
9 Bipolar S22253 022Cr22Ni5Mo3N ≤0.030 ≤1.00 ≤2.00 ≤0.030 ≤0.020 4.5~6.5 21~23 2.5~3.5 0.08~0.20  
10 S22053 022Cr23Ni5Mo3N ≤0.030 ≤1.00 ≤2.00 ≤0.030 ≤0.020 4.5~6.5 22~23 3~3.5 0.14~0.20  
11 S25073 022Cr25Ni7Mo4N ≤0.030 ≤0.80 ≤1.20 ≤0.035 ≤0.020 6~8 24~26 3~5 0.24~0.32 Cu≤0.50
12 Ferrite S11863 022Cr18Ti ≤0.03 ≤0.75 ≤1 ≤0.04 ≤0.03 (0.60) 16~19 - - Ti or Nb:0.1~1
13 S11972 019Cr19Mo2NbTi ≤0.025 ≤0.75 ≤1 ≤0.04 ≤0.03 1.00 17.5~19.50 1.75~2.50 ≤0.035 (Ti+Nb):[0.2+4(C+N)]~0.8
14 S11348 06Cr13Al ≤0.08 ≤0.75 ≤1 ≤0.04 ≤0.03 (0.60) 11.50~14.50 - - Al:0.1~0.3
15 S11163 022Cr11Ti ≤0.03 ≤0.75 ≤1 ≤0.04 ≤0.02 (0.60) 10.50~11.70 - ≤0.030 Ti≥8(C+N),Ti:0.15~0.50,Nb≤0.10
16 S11213 022Cr12Ni ≤0.03 ≤0.75 ≤1.5 ≤0.04 ≤0.015 0.3~1.00 10.50~12.50 - ≤0.030  
17 Martensitic S41008 06Cr13 ≤0.08 ≤0.75 ≤1 ≤0.04 ≤0.03 (0.60) 11.50~13.50 - - -
Note:The number in brackets is the maximum allowed to be added. Chemical component of some grade is different from GB/T20878.

Tabla 6 Régimen de tratamiento térmico recomendada de los tubos de acero

No. Type Steel grade Recommendatory heat treating regime
1 Austenite 12Cr18Ni9 1010℃~1150℃,water-cooling or other methods of rapid cooling
2 06Cr19Ni10 1010℃~1150℃,water-cooling or other methods of rapid cooling
3 022Cr19Ni10 1010℃~1150℃,water-cooling or other methods of rapid cooling
4 06Cr25Ni20 1030℃~1180℃,water-cooling or other methods of rapid cooling
5 06Cr17Ni12Mo2 1010℃~1150℃,water-cooling or other methods of rapid cooling
6 022Cr17Ni12Mo2 1010℃~1150℃,water-cooling or other methods of rapid cooling
7 06Cr18Ni11Ti 920℃~1150℃,water-cooling or other methods of rapid cooling
8 06Cr18Ni11Nb 980℃~1150℃,water-cooling or other methods of rapid cooling
9 Dual-phase steel 022Cr22Ni5Mo3N 1020℃~1100℃,water-cooling
10 022Cr23Ni5Mo3N 1020℃~1100℃,water-cooling
11 022Cr25Ni7Mo4N 1025℃~1125℃,water-cooling
12 Ferritic 022Cr18Ti 780℃~950℃,rapid cooling or slow cooling
13 019Cr19Mo2NbTi 800℃~1050℃,rapid cooling
14 06Cr13Al 780℃~830℃,rapid cooling or slow cooling
15 022Cr11Ti 800℃~900℃,rapid cooling or slow cooling
16 022Cr12Ni 700℃~820℃,rapid cooling or slow cooling
17 Martensite 06Cr13 750℃,rapid cooling ;800℃~900℃,slow cooling



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