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Pressure Bearing Machine Carbon Steel Tube With Oil Impregnation Surface P235GH
P235GH is also a heat resistant pressure vessel steel defined in the EN 10028 system. It is similar to P265GH but with the lower content of Carbon and on the other hand with higher content of Manganese. P235GH steel has lower yield and tensile strength compared with P265GH. It is also non-alloy steel. The material is also designed for high-temperature applications. This material is said to have good cold working as well as hot working characteristics. Therefore it is utilized in pipes transporting hot liquids.
It is also a key consumable material for boilers and pressurized vessels. However, any designer who is utilizing this material for any application of intense pressure should work out all possibilities in the design calculations. A factor of safety and reliability should be considered before using this material.
Product Standard: EN10216-1 EN10216-2
Main steel grades: P195,P235,P265,P195GH,P235GH,P265GH,13CrMo4-5,10CrMo9-10
Application:
1. Process utilities, instrumentation in the food industry
2. Instruments and utilities in environmental protection
3. Instruments and processing utilities in fertilizer industries
4. Process utilities in chemical industries, power stations, and shipping
Chemical Requirements & Mechanical Properties:
| Standard | Grades | Chemical Composition(％) | |||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | ||
|
EN 10216-1 | P195 | ≤0.13 | ≤0.35 | ≤0.70 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / |
| P235 | ≤0.16 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / | |
| P265 | ≤0.20 | ≤0.40 | ≤1.40 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / | |
| EN 10216-2 | P195GH | ≤0.13 | ≤0.35 | ≤0.70 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / |
| P235GH | ≤0.16 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / | |
| P265GH | ≤0.20 | ≤0.40 | ≤1.40 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.06 | ≤0.30 | ≤0.30 | / | |
| 13CrMo4-5 | 0.10~0.17 | ≤0.35 | 0.40~0.70 | ≤0.025 | ≤0.020 | 0.70~1.15 | 0.40~0.60
| ≤0.30 | ≤0.30 | / | |
| 10CrMo9-10 | 0.08~0.14 | ≤0.50 | 0.30~0.70 | ≤0.025 | ≤0.020 | 2.00~2.50 | 0.90~1.10 | ≤0.30 | ≤0.30 | / | |
| Standard | Grades | TS (MPa) | YS(MPa) | Elongation(%) |
| EN 10216-1 | P195 | 320～440 | ≥195 | ≥27 |
| P235 | 360～500 | ≥235 | ≥25 | |
| P265 | 410～570 | ≥265 | ≥23 | |
| EN 10216-2 | P195GH | 320～440 | ≥195 | ≥27 |
| P235GH | 360～500 | ≥235 | ≥25 | |
| P265GH | 410～570 | ≥265 | ≥23 | |
| 13CrMo4-5 | 440～590 | ≥290 | ≥22 | |
| 10CrMo9-10 | 480～630 | ≥280 | ≥22 |
Packing: Exporting package/wooden box /as requirement.
Mark: As required.
Inspection and Test: chemical composition test, mechanical properties test(tensile, yield, elongation), process properties test(flatting, flaring, bending, hardness, impact, etc.), appearance and size test, non-destructive inspection test, hydrostastic test.
Delivery status: Annealed, normalized, normalized+Tempered, etc.
Surface treatment: oil impregnation, paint, passivation, phosphating, shot blasting etc.
