High Pressure Stainless Steel Pipe

General Properties High pressure steel pipe is used to manufacture high-pressure vessels and pipelines of high quality carbon steel, alloy structural steels and stainless steel seamless tubes Manufacturing methods are divided into hot-rolled (extrusion, expansion) and cold (rolling) two kinds....

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Product Details

General Properties

High pressure steel pipe is used to manufacture high-pressure vessels and pipelines of high quality carbon steel, alloy structural steels and stainless steel seamless tubes

Manufacturing methods are divided into hot-rolled (extrusion, expansion) and cold (rolling) two kinds. Among them, hot-rolled (extruded, expanded) steel pipe diameter range of 22~530mm, wall thickness range of 2.0~70mm, Cold drawn (rolled) steel pipe outside the range of 10~108mm, wall thickness range of 2.0~13mm.

Application Range

High pressure steel pipe has a good temperature and high temperature comprehensive mechanical properties, strict quality control, suitable for high-pressure conditions under a variety of work occasions. High-pressure steel pipe is mainly used in boilers, diesel high-pressure tubing, fertilizer equipment and pipelines and other fields.

Installation

High pressure stainless steel pipe installation with the requirements of middle and low pressure piping is much the same, but the requirements are higher and stricter, so, in addition to meeting the requirements of middle and low pressure piping installation, the following requirements should be carried out.

Name

high pressure Stainless Steel pipe






Outer Diameter

6mm--159mm






Thickness

0.3mm - 3.0mm






Length

6m or as customers' request









Chemical Composition of Material

Material


Composition

201

202

304

316

430

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.12


Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00


Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00


P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040


S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030


Cr

16-18

17-19

18-20

16-18

16-18


N

3.5-5.5

4-6

8-10.5

10-14



Mo




2.0-3.0



Mechanical Property

Material Item

201

202

304

316


Tensile Strength

≥535

≥520

≥520

≥520



Yield Strength

≥245

≥205

≥205

≥205



Extension

≥30%

≥30%

≥35%

≥35%



Hardness (HV)

<253

<253

<200

<200



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