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Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

Basic Information
Place of Origin: CHINA
Brand Name: TORICH
Minimum Order Quantity: 5 Ton
Price: negotiable
Packaging Details: Packing in wooden, hexagonal box or other seaworthy ways
Delivery Time: 30 days
Payment Terms: T/T L/C D/P D/A WesternUnion MoneyGram Others
Supply Ability: 60000 Ton/Year
Detail Information
Name: GOST 4543 Alloy Pipe For Water Wall Pannel Material: Alloy Tube
Section Shape: Round Usage: For Water Wall Pannel, Superheater And Steam Pipeline Of Boiler
High Light:

seamless steel pipe

,

precision stainless steel tubing


Product Description

GOST 4543 Alloy Pipe for Water Wall Pannel
 
 
This pipe follow the GOST4543 which is for alloyed construction hot-rolled and forged gauged steel with diameter or thickness up to 250mm, and steel with a special surface finish, used in a thermally treated condition and produced in the form of bars, strips and hanks.
 
 
The mass fraction of phosphorus, sulfur, residual copper, nickel and chromium in steel of all grades shall not exceed the standards specified in table.

Category of steelMass fraction of elements, %, no more
PhosphorusSulfurCopperNickelChromium
Quality0.0350.0350.300.300.30
High- quality0.0250.0250.300.300.30
Extra high quality0.0250.0150.250.300.30

 
 
 
The hardness of cold-hardened steel with diameter or thickness more than 5mm shall be no more than HB 269 (diameter of imprint shall be no less than 3.7mm) or shall be stipulated by agreement between the manufacturer and the customer except for steel of grades 15X 15XA 20X 30X 35X 15T 18XTT 15XΦ whose hardness shall comply with standards specified in tables

Grade of steelDiameter of imprint, mm, no less thanHardness number, HB, no more than
15X 15XA4.1217
20X4.0229
30X3.9241
35X3.8255
15T4.2207
18XTT4.0229
15 XΦ4.1217

 
 
 
 

 
Grade
 
of steel

Heat treatmentYield stress N/mm2Ultimate strength N/ mm2ElongationContractionShock viscosityDimension of billet cross section for heat treatment
QuenchingTempering
TemperatureCooling mediumTempe-ratureCooling medium
Of first quench-ing or normal-izationOf second quenchi-ng

 
 
No less than

15X
15XA

880
 

770 to 820Water or oil180Air or oil490(50)690(70)124569(7)15
20X860770 to 820oil180Air or oil635(65)780(80)114059(6)15
30X900air-oil500Water or oil685(70)880(90)124569(7)25
30XPA860860oil200Water or oil1275(130)1570(160)94049(5)-
35X860-oil500Water or oil735(75)910(93)114569(7)25
38XA860-oil550Water or oil785(80930(95)125088(9)25
40X860-oil500Water or oil785(80)980(100)104559(6)25
45X840-oil520Water or oil835(85)1030(105)94549(5)25

 
 
 

Dimension of bars, mmDepth of stripping of defect, no more than
Quality and high quality steelExtra high quality steel
Over2006% of dimension3% of dimension
From 140 to 2005% of dimension3% of dimension
From 80 to 120Sum of maximum deviationsHalf of dimension
Less than 80Half the sum of maximum deviations

 
 
Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel 0
 
 
Torich International Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.
 
 

Contact Details
Mila Xu

WhatsApp : +8613736164628