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

Minimum Order Quantity : 0.5 Ton/Tons Price : negotiable
Packaging Details : In hexagonal bundles or upon request Delivery Time : 30-45 Days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 60000 Tons per Year
Place of Origin: China Brand Name: Torich
Certification: ISO9001 EN 10305-4 E235 E355 Model Number: GB 6479

Detail Information

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
High Light:

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

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