Factory wholesale Alloy Seamless Pipe - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe
Factory wholesale Alloy Seamless Pipe - 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:
Related Product Guide:
Our firm sticks on the theory of "Quality will be the life in the enterprise, and status could be the soul of it" for Factory wholesale Alloy Seamless Pipe - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: Malaysia , Mauritius , Azerbaijan , You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We will provide our best service to satisfy all your needs! You should contact us right away!
By Florence
from Manchester
- 2017.09.28 18:29
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
By Ella
from Bhutan
- 2018.06.19 10:42
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