High Quality Alloy Chemical Pipe China - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe
High Quality Alloy Chemical Pipe China - 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
| C | Si | Mn | Nb | RE | Cr | Ni | Cu | Mo | P | S | |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 一 | 一 | <0. 25 | <0. 25 | <0. 20 | 一 | <0. 035 | <0. 035 |
| 35 | 0.32-0.39 | 0.17—0. 37 | 0. 50一0.8 | 一 | 一 | <0. 25 | <0. 25 | <0. 20 | 一 | <0. 035 | <0. 035 |
| 45 | 0.42-0.50 | 0.17 一0. 37 | 0.50 一0.8 | 一 | 一 | <0. 25 | WO. 25 | WO. 20 | 一 | <0. 035 | <0. 035 |
| 27SiMn | 0.24-0.32 | 1.10 一1.4 | 1.10 一1.4 | 一 | 一 | W0. 30 | <0.30 | <0. 20 | <0.15 | <0. 035 | <0. 035 |
| 30MnNbREa | 0.27-0.36 | 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 | Yield | Elong after fracture | Reduction of area | Shork absorption energy (KV2)/J | ||
| Rm/MPa | MPa | A/% | Z/% | ||||
| 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:
To meet the customers' over-expected gratification , we have our robust crew to offer our best over-all support which includes marketing, income, coming up with, production, excellent managing, packing, warehousing and logistics for High Quality Alloy Chemical Pipe China - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: Myanmar, Jersey, Florence, With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
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