Product Name:
GB/T12771 12Cr18Ni9 06Cr18Ni11Ti Welded Stainless Steel Pipes For Liquid Delivery
China Stainless Steel Tube manufacturers, our Stainless Steel Exhaust Tube, Welded Steel Tube, Round Stainless Steel Pipe, Polish Stainless Steel Tube, Stainless Coiled Tube, Duplex Stainless Steel Tube are good in quality and competitive in price.
Standard: Size Range:
GB/T12771 OD:5-500mm WT:0.5-50mm Length:3-9 M
Application: For Liquid Delivery
Steel Grade: 304/316/321/347/444
Technology: arc welding
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Table 1 Tolerance of OD
|
Classification
|
D
|
Permissible Tolerance
|
|
A
|
B
|
|
H
|
All Dimensions
|
±0.5% or ±0.20
|
±0.75% or ±0.30
|
|
T
|
<40
|
±0.20
|
±0.30
|
|
≥40~<65
|
±0.30
|
±0.40
|
|
≥65~<90
|
±0.40
|
±0.50
|
|
≥90~<168.3
|
±0.80
|
±1.00
|
|
≥168.3~<325
|
±0.75%D
|
±1%D
|
|
≥325~<610
|
±0.6%D
|
±1%D
|
|
≥610
|
±0.6%D
|
±0.7%D or ±10
|
|
WC
SP
|
<40
|
±0.15
|
±0.20
|
|
≥40~<60
|
±0.20
|
±0.30
|
|
≥60~<100
|
±0.30
|
±0.40
|
|
≥100~<200
|
±0.4%D
|
±0.5%D
|
|
≥200
|
±0.5%D
|
±0.75%D
|
Table 2 Tolerance of 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
|
Table 3 Bending degree
|
Out diameter/mm
|
Bending degree/(mm/m)
|
|
≤108
|
≤1.5
|
|
>108~325
|
≤2.0
|
|
>325
|
≤2.5
|
Table4 The density of the steel and Calculation of Theoretic Weight
|
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
|
06Cr18Ni11Ti
|
8.03
|
W=0.02507S(D-S)
|
|
5
|
06Cr25Ni20
|
7.98
|
W=0.02507S(D-S)
|
|
6
|
06Cr17Ni12Mo2
|
8.00
|
W=0.02513S(D-S)
|
|
7
|
022Cr17Ni12Mo2
|
|
8
|
06Cr18Ni11Nb
|
8.03
|
W=0.02523(D-S)
|
|
9
|
022Cr18Ti
|
7.70
|
W=0.02419(D-S)
|
|
10
|
022Cr18Ti
|
7.75
|
W=0.02435S(D-S)
|
|
11
|
06Cr13Al
|
|
12
|
022Cr19Mo2NbTi
|
|
13
|
022Cr12Ni
|
|
14
|
06Cr13
|
What is your Guarantee?
1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.
Do you have agent or distributor in our country?
1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
How to get the sample?
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
What is your Payment Term?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Who are your customers?
1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
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