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Modèle: GB/T14975
marque: Torich
Détails d'emballage: En paquets avec emballage maritime
productivité: 50000tons/year
transport: Ocean,Land,Air
Lieu d'origine: Zhejiang, Chine (continentale)
Soutenir: 60000 Ton per year
Certificats : ISO9001:2008 ISO14001:2008, TS16949
Code SH: 7306309000
Hafen: Shanghai,Ningbo
Type de paiement: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Nom du produit : Tubes sans couture d'acier inoxydable de Torich GB / T14975 304/316 pour la structure
Norme : GB / T14975
Gamme de taille : OD: 3-420mm WT: 0.5-50mm Longueur : 1-12mm ou selon l'application et la production réelles des clients.
Application : À des fins structurelles
Catégorie en acier :
Technologie : laminés à froid laminés à froid étirés à froid
Caractéristiques:
Bonne concentricité
Bonne qualité de surface
Bonne tolérance OD et ID
Haute précision
Qualité stable
Rugosité lisse
ASSURANCE QUALITÉ TORICH
Tableau 1 Tolérance du diamètre extérieur nominal et de l'épaisseur de paroi : 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 |
Tableau 2 Tolérance de l'épaisseur minimale de paroi : 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 |
Tableau 3 Grade et composant chimique
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 |
- |
- |
Tableau 4 Propriétés techniques
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 |
Tableau 5 Éléments d'essai et quantité d'échantillonnage des tubes d'acier
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 |
La Chine Les fabricants de tube d'acier inoxydable, notre tube d'échappement d'acier inoxydable, tube d'acier soudé, tuyau d'acier inoxydable rond, tube d'acier inoxydable polonais, tube enroulé inoxydable, tube duplex d'acier inoxydable sont bons dans la qualité et concurrentiels dans le prix.
Groupes de Produits : Tube en acier inoxydable
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.