| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Qingdao,Shanghai |
Model No.: GB 6479
Standard: Gb, Jis, Din
Material: Q195-Q345, Mn-V Alloy, Crni Alloy, 10#-45#, Cr-Mo Alloy
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Structure Pipe
Production Process: Hot Rolled
Certification: Ce
Special Tube: Thick Wall Pipe
Whether Alloy: Is Alloy
Tolerance: ±1%
Category: Seamless Steel Pipe
Processing Service: Bending, Decoiling, Punching, Cutting
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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GB 6479 specification covers seamless steel pipes for high-pressure fertilizer equipment and pipelines, and also for other chemical equipment.
GB 6479 is a Chinese standard that specifies the technical requirements for seamless steel tubes used in high-pressure chemical fertilizer equipment. It covers various grades of steel, including carbon structural steel and alloy steel.
| Grade | C | Si | Mn | Cr | Mo | V | W | Nb | Ni | P S(No More Than) |
|
| 10 | 0. 07-0. 13 | 0. 17 -0. 37 | 0. 35 -0. 65 | - | - | - | - | - | - | 0.025 | 0.015 |
| 20 | 0. 17 -0. 23 | 0.17 -0. 37 | 0. 35-0. 65 | - | - | - | - | - | - | 0.025 | 0.015 |
| Q345Ba | 0. 12 -0. 20 | 0. 20-0. 50 | 1. 20-1. 70 | <0. 30 | <0. 10 | Mis | - | <0.07 | W0. 50 | 0.025 | 0.015 |
| Q345C" | 0. 12 -0. 20 | 0. 20 -0. 50 | 1.20 -1. 70 | W0. 30 | <0. 10 | <0. 15 | - | W0.07 | <0. 50 | 0.025 | 0.015 |
| Q345D" | 0. 12 -0. 18 | 0. 20 -0. 50 | 1. 20-1.70 | W0. 30 | <0. 10 | <0. 15 | - | W0.07 | <0. 50 | 0. 025 | 0.015 |
| Q345Ea*B | 0. 12 -0. 18 | 0. 20-0. 50 | 1. 20 -1.70 | W0. 30 | <0. 10 | <0. 15 | - | <0.07 | <0. 50 | 0. 025 | 0.01 |
| 12CrMo | 0. 08-0. 15 | 0.17 -0. 37 | 0. 40-0. 70 | 0. 40-0. 70 | 0. 40-0. 55 | - | - | - | - | 0. 025 | 0.015 |
| 15CrMo | 0. 12 -0. 18 | 0. 17 -0. 37 | 0. 40-0. 70 | 0. 80-1. 10 | 0. 40-0.55 | - | - | - | - | 0. 025 | 0. 015 |
| 12Cr2Mo | 0. 08-0. 15 | <0. 50 | 0. 40-0.6 | 2.00-2. 50 | 0. 90-1. 13 | - | - | - | - | 0.025 | 0. 015 |
| 12Cr5Mo | <0. 15 | <0.50 | <0. 60 | 4. 00-6.00 | 0. 40-0. 60 | - | - | - | <0. 60 | 0. 025 | 0. 015 |
| LOMoWVNb | 0. 07-0. 13 | 0. 50-0.8 | 0. 50-0.8 | - | 0. 60-0. 90 | 0. 30-0. 50 | 0. 50-0. 90 | 0. 06-0. 12 | - | 0.025 | 0.015 |
| 12SiMoVNb | 0.08 -0. 14 | 0.50 -0.8 | 0. 60-0. 90 | - | 0. 90-1. 10 | 0. 30-0. 50 | - | 0. 04-0.08 | - | 0.025 | 0.015 |
Awhen It Is Necessary To Add Fine Grain Elements, The Steel Shall Contain At Least One Of Al, Nb, V And Ti. The Added Fine Grain Elements Shall Be Indicated In The Quality Certificate. Ti Content Shall Not Be More Than 0.20%
BAl Content In Steel Shall Not Be Less Than 0.020%, Or Ala Content In Steel Shall Not Be Less Than 0.015%
| Grade | Tensile (MPa) | Yield (MPa) | Elong After Fracture A/% | Reduction Of Area (Z/%) | Shork Absorption Energy | |||||
| Steel Tube Wall Thickness/Mm | Test Temperature/℃ | Portrait | Transver | |||||||
| W16 | >16 — 40 | >40 | Portrait | Transver |
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| Not Less Than |
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| Not Less Than |
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| 10 | 335-490 | 205 | 195 | 185 | 24 | 22 | 一 | 一 | — | 一 |
| 20 | 410-550 | 245 | 235 | 225 | 24 | 22 | 一 | 0 | 40 | 27 |
| Q345B | 490-670 | 345 | 335 | 325 | 21 | 19 | 一 | 20 | 40 | 27 |
| Q345C | 490-670 | 345 | 335 | 325 | 21 | 19 | 一 | 0 | 40 | 27 |
| Q345D | 490-670 | 345 | 335 | 325 | 21 | 19 | 一 | -20 | 40 | 27 |
| Q345E | 490-670 | 345 | 335 | 325 | 21 | 19 | — | -40 | 40 | 27 |
| 12CrMo | 410-560 | 205 | 195 | 185 | 21 | 19 | — | 20 | 40 | 27 |
| 15CrMo | 440-640 | 295 | 285 | 275 | 21 | 19 | 一 | 20 | 40 | 27 |
| 12Cr2Moa | 450-600 | 280 |
|
| 20 | 18 | 一 | 20 | 40 | 27 |
| 12Cr5Mo | 390-590 | 195 | 185 | 175 | 22 | 20 | 一 | 20 | 40 | 27 |
| LOMoWVNb | 470-670 | 295 | 285 | 275 | 19 | 17 | 一 | 20 | 40 | 27 |
| 12SiMoVNb | 2470 | 315 | 305 | 295 | 19 | 17 | 50 | 20 | 40 | 27 |
GB6479 Steel Pipe is mainly used for high-pressure fertilizer equipment and seamless steel pipe for pipelines.
Executive standard: GB 6479-2013
Product Name: Seamless steel pipe for high pressure fertilizer
Steel grade:10, 20, Q345B/C/D/E, 12CrMo, 15CrMo, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVNb, etc.
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