High reputation Steel Pipe And Tube - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe
High reputation Steel Pipe And Tube - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe Detail:
Overview
Application
Seamless steel pipe for coal mine is mainly used to manufacture seamless pipe for hydraulic prop in coal mine.
Main Grade
Grade of high-quality carbon structural steel: 20#、35#
Chemical Component
| Grade | Chemical Component/% | |||||||||||
| C | Si | Mn | Nb | RE | Cr | Ni | Cu | Mo | p | S | ||
| 20 | 0. 17 一0. 23 | 0.17 一0. 37 | 0. 35一0.65 | 一 | 一 | <0. 25 | <0. 25 | <0. 20 | 一 | <0. 035 | <0. 035 | |
| 35 | 0. 32一0. 39 | 0.17—0. 37 | 0. 50一0.8 | — | 一 | <0. 25 | <0.25 | <0. 20 | 一 | <0. 035 | <0. 035 | |
| 45 | 0. 42一0. 50 | 0.17 一0. 37 | 0.50 一0.8 | — | — | <0. 25 | WO. 25 | WO. 20 | 一 | <0.035 | <0.035 | |
| 27SiMn | 0. 24一0. 32 | 1.10 一1.4 | 1.10 一1.4 | 一 | — | W0. 30 | <0.30 | <0. 20 | <0.15 | <0.035 | <0. 035 | |
| 30MnNbREa | 0.27 一0. 36 | 0. 20一0. 60 | 1.20 一1. 60 | 0.020一0. 050 | 0. 02一0. 04 | <0. 30 | <0. 30 | <0. 20 | <0.15 | <0. 035 | <0. 035 | |
| a The content of re is calculated as 0.02% ~ 0.04% added to the molten steel. | ||||||||||||
Mechanical Property
| Mechanical Property | |||||||||
| Grade | Tensile strength Rm/MPa |
Yield MPa |
Elong after fracture A/% |
Reduction of area Z/% |
Shork absorption energy （KV2）/J | ||||
| Steel tube wall thickness/mm | |||||||||
| <16 | >16 〜30 | >30 | |||||||
| no more less | |||||||||
| 20 | 410 | 245 | 235 | 225 | 20 | — | |||
| 35 | 510 | 305 | 295 | 285 | 17 | — | — | ||
| 45 | 590 | 335 | 325 | 315 | 14 | — | — | ||
| 27SiMn | 980 | 835 | 12 | 40 | 39 | ||||
| 30MnNbRE | 850 | 720 | 13 | 45 | 48 | ||||
Test Requirement
In addition to ensuring the chemical composition and mechanical properties, the steel pipe directly rolled with ingot shall be subject to low power inspection.
Supply Ability
Supply Ability: 2000 Tons Per Month Per Grade of Seamless steel tubes for coal mining.
Packaging
In Bundles And In Strong Wooden Box
Delivery
7-14 days if in stock, 30-45 days to produce
Payment
30% depsoit, 70% L/C or B/L copy or 100% L/C at sight
Product Detail
mechanical/Chemical&Fertilizer Pipes
GB/T8162-2008
ASTM_A519-2006
BS EN 10210-1-2006
ASTM A53A53M-2012
GB9948-2006
GB6479-2013
GB/T 17396-2009
Product detail pictures:
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We're going to dedicate ourselves to offering our esteemed shoppers with the most enthusiastically considerate solutions for High reputation Steel Pipe And Tube - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: San Diego, Germany, Madrid, We aim to become the modern enterprise with the commercial ideal of "Sincerity and confidence" and with the aim of "Offering customers the most sincere services and best quality products". We sincerely ask for your unchanged support and appreciate your kind advice and guidance.
By Kevin Ellyson from Philippines - 2018.06.28 19:27
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Meroy from Bahrain - 2017.02.18 15:54
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