China Special Price for Seamless Pipe Grade Chart - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe Manufacturer and Supplier

Special Price for Seamless Pipe Grade Chart - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe

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Special Price for Seamless Pipe Grade Chart - 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/%

0. 17 一0. 23

0.17 一0. 37

0. 35一0.65

一

<0. 25

<0. 20

一

<0. 035

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. 42一0. 50

0.17 一0. 37

0.50 一0.8

—

<0. 25

WO. 25

WO. 20

一

<0.035

27SiMn

0. 24一0. 32

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. 20

<0.15

<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
27SiMn	980	835			12	40	39
30MnNbRE	850	720			13	45	48
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

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for Special Price for Seamless Pipe Grade Chart - Seamless steel tubes for coal mining- GB/T 17396-2009 – Sanonpipe , The product will supply to all over the world, such as: Sri Lanka , Albania , Vietnam , Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing; For more information, be sure to feel free to contact us. Thanks. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. If you are interested in any of our merchandise, make sure you feel free to contact us. Inquiry or visit to our company are warmly welcome. We sincerely hope to start a win-win and friendly partnership with you. You can see more details in our website.

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