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GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments

GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments

Brand Name: Torich
Model Number: GB 6479
MOQ: 0.5 Ton/Tons
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Tons per Year
Detail Information
Place of Origin:
China
Certification:
ISO9001 EN 10305-4 E235 E355
Product Name:
GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments
Type:
Seamless Steel Tubes
Surface:
Oiled
Material:
10#.20#.16Mn.10Mowvnb.15MnV.12Cr2Mo.12CrMo.15CrMo
Usage:
Chemical Fertilizer Pipe
Shape:
Round Shape
Length:
4-12m
OD:
14-426mm
WT:
0.5-45mm
Brand:
Torich
Packaging Details:
In hexagonal bundles or upon request
Supply Ability:
60000 Tons per Year
Highlight:

seamless steel pipe

,

seamless carbon steel tube

Product Description

GB6479 High-pressure Chemical Fertilizer Equipments Seamless Steel Tubes

 

 

Application:Seamless steel tubes of best quality carbon steel ,low alloy steel and stainless steel for high-pressure chemical fertilizer equipment and piping as well as for other chemical equipment.

 

 

OD:14-426mm WT:0.5-45mm Length:4-12m

 

Manufacture method:The manufacture method of steel and tube blank shall meet what specified in YB/T 5137.Steel tubes shall be manufacturd by seamless method of hot rolling (extrude pressing,expansion)or cold drawn(rolling). In case the demander assigns one manufacture method,it shall be specified in the contract.

 

 

Allowable Deviation of OD and Wall Thickness

Type of steel Size of steel tube Allowable deviation
Common class High class

Hot rolled

(Extrude pressed)

Steel tube

 

OD,D ≤159 ±1.0%(Minimum value is ±0.5mm) ±0.75%(Minimum value is ±0.3mm)
>159 ±1.0% ±0.90%
Wall thickness,S

 

≤20

 

>20

 

+15%

-10%

 

+12.5%

-10.0%

 

±10%

 

±10%

Cold drawn

(rolled)steel tubes

OD,D

14~30

>30~50

>50

±0.20mm

±0.30mm

±0.75%

±0.15mm

±0.25mm

±0.6%

Wall thickness ≤3.0

+12.5%

-10%

±10%
>3.0 ±10% ±7.5%
Note:Allowable deviation for OD of hot expanded steel tubes is ±1.0%,allowable deviation for wall thickness is±15%.
 

 

                                 Brand Number and Chemical Composition of Steel

Brand number Chemical composition,%
C Si Mn Cr Mo V W Nb Ni P S
Not more than
10

0.07~

0.14

0.17~

0.37

0.35~

0.65

            0.030 0.030
20

0.07~

0.24

0.17~

0.37

0.35~

0.65

            0.030 0.030
16Mn

0.12~

0.20

0.20~

0.60

1.20~

1.60

            0.030 0.030
15MnV

0.12~

0.18

0.20~

0.60

1.20~

1.60

   

0.04~

0.12

      0.030 0.030
10MoWVNb

0.07~

0.13

0.50~

0.80

0.50~

0.80

 

0.60~

0.90

0.30~

0.50

0.50~

0.90

0.06~

0.12

  0.030 0.030
12CrMo

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.40~

0.70

0.40~

0.55

        0.030 0.030
15CrMo

0.12~

0.18

0.17~

0.37

0.40~

0.70

0.80~

1.10

0.40~

0.55

        0.030 0.030
1Cr5Mo ≤0.15 ≤0.50 ≤0.60

4.00~

6.00

0.45~

0.60

      ≤0.60 0.030 0.030
12Cr2Mo 0.80~0.15 ≤0.50

0.40~

0.70

2.0~

2.50

0.90~1.20         0.030 0.030
12SiMoVNb

0.08~

0.14

0.50~

0.80

0.60~

0.90

 

0.90~

1.10

0.30~

0.50

 

0.04~

0.08

  0.030 0.030

 

 

                       Content of Residual Elements in Different Brands of Steel
Brand number Residual element,% ≯
Ni Cr Cu Mo V
10 0.25 0.15 0.20 - -
20 0.25 0.25 0.20 0.15 0.08
Others 0.30 0.30 0.20 - -

 


GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments 0

 

GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments 1

 

GB 6479 16Mn 1Seamless Steel Tubes For High-pressure Chemical Fertilizer Equipments 2