Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

High pressure steel pipe

Main Material:

Alloy:P5,P9,P11,P12,P22,P91,P92,12Cr1MoV,15CrMo,1Cr5Mo,10CrMo910,13CrMoV44-5 and so on

Carbons:A53GrB,A106GrB,10#,20#,45#,16Mn,16MnR,A333Gr6

Stainless:304,316,321,

API 5L:Gr.B,X42,X52,X60,X65,X70 and so on

API 5CT:J55

Alloy pipe

1) Pipe Diameter: 8-1219 2) Thickness: 0.5mm-80mm

3) Steel grade: P1 P2 P5 P11 P12 P91

4) Brand:TPCO,BAOSTEEL,POHANG,TISCO.

5) Surface: oiled or black painted to prevent rust
6) Marking: As per customer's requirement
7) Packing: Bundles or seaworthy wooden cases

 

Item

Seamless Steel Pipe /Tube 

Material P5;P9;P11;P22

OD

21.3-406.4mm (1/2”-16”)

WT

2-45mm

Length

SRL or DRL or Fixed length according to your request.

Tolerance

OD: +/- 1%

WT: +12.5% /- 10%

Surface

1.Black varnished or oiled

2.Marks

End

1.Less than 2”: plain ends, with plastic caps

2.More than 2”: bevelled ends, with plastic caps.

Packing:

1.In hexagon bundle

2.Plastic sheet covered.

 

 

 

Chemical properties   (%)

Material

C

Si

Mn

P

S

Mo

Cr

 

%

%

%

%

max

%

max

A 335 Grade P1

0,10 - 0,20

0,10 - 0,50

0,30 - 0,80

0,025

0,025

0,44-0,65

 

 

A 335 Grade P5

max. 0,15

max. 0,50

0,30 - 0,60

0,025

0,025

0,45-0,65

4,00-6,00

 

A 335 Grade P11

0,05 - 0,15

0,50 - 1,00

0,30 - 0,60

0,025

0,025

0,44-0,65

1,00-1,50

 

A 335 Grade P12

0,05 - 0,15

max. 0,50

0,30 - 0,61

0,025

0,025

0,44-0,65

0,80-1,25

A 335 Grade P22

0,05 - 0,15

max. 0,50

0,30 - 0,60

0,025

0,025

0,87-1,13

1,90-2,60

High pressure boiler pipe


Material:20G  20MnG  15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12Cr1MoVG

Use:Mainly used in power stations and nuclear power plant boiler high temperature, high pressure transmission fluid collection tank and piping.

standard trademark tensile strength(MPa) yield strength(MPa) tensile strentch(%) hardness
GB3087 10 335~475 ≥195 ≥24 /
20 410~550 ≥245 ≥20 /
GB5310 20G 410~550 ≥245 ≥24 /
20MnG ≥415 ≥240 ≥22 /
25MnG ≥485 ≥275 ≥20 /
15CrMoG 440~640 ≥235 ≥21 /
12Cr2MoG 450~600 ≥280 ≥20 /
12Cr1MoVG 470~640 ≥255 ≥21 /
12Cr2MoWVTiB 540~735 ≥345 ≥18 /
10Cr9Mo1VNb ≥585 ≥415 ≥20 /

 

Alloy High pressure steel pipe

High pressure tubing


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