KN 42 5792 1995 Carbon Steel Pipe Coating Hot Rolled Technique Boiler Tube

Place of Origin Chiina Japan
Brand Name Best Pipeline
Certification API/CE / ISO /TUV
Model Number 1/2''-48''
Minimum Order Quantity 1Tonds
Price 450 usd/tton
Packaging Details According To Customers Demands
Delivery Time 5-8 working days
Payment Terms L/C /TT
Supply Ability 1000000 Tons

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Product Details
Standard API/GB/ DIN/ JIS /GOST Grade A106/A53 /A333/A369
Technique Hot Rolled /Colded Drawn Section Round /Square
Application Bolier Pipes Sample Can Be Send For Free
Certificate CE Place Of China Tianjin/Qingdao /Shanghai
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Product Description

Product Name : Dimensions and weights of seamless tubes according to standards EN, DIN, BS, UNI, NFA, STN, ČSN, GOST, PN-H



Plain-end seamless tubes and pipes
Dimensional standards
EN 10220:2002 “Seamless and welded steel tubes - General tables of dimensions and masses per unit length”
ISO 4200:1991 “Plain-end steel tubes, welded and seamless”
CSN 42 5715:1981 “Hot-rolled seamless steel tube”
CSN 42 5716:1981 “Hot-rolled seamless steel tube with small tolerances”
DIN 2448:1981 “Seamless steel tubes”
GOST 8732:1978 “Hot-rolled seamless steel pipes”
ASME B36.10M:2004 “Welded and hot-rolled seamless steel pipes”
KN 45 1103:19971 “Type III casings” - seamless for deep drilling - sizes
Technical delivery regulations for tubes and pipes of carbon steel
CSN 42 0250:1988 “Hot rolled seamless tubes of class 10 to 16 steels”
CSN 42 0165:1990 “Sheets and pipes of ferrite-pearlite steels with guaranteed impact properties at low temperatures”
DIN 1629:1984 “Seamless circular tubes of non-alloy steels with special quality requirements”
DIN 1630:1984 “Seamless circular tubes of non-alloy steels for extra-high requirements”
DIN 17 121:1984 “Seamless structural steel circular tubes for structural engineering purposes”
ASTM A 53:2004 + ASME SA 53:2004 “Seamless and welded black tubes suitable for zinc dipping”
ASTM A 501:2001 “Hot-formed welded and seamless carbon steel structural tubing”
ASTM A 519:2003 “Seamless carbon and alloy steel mechanical tubing”
NF A 49-112:1987 “Plain-end seamless hot rolled steel tubes with guaranteed room temperature properties
and with special delivery conditions”, all sizes that comply with DIN 2448



1: Product Information 



Product name  seamless boiler steel pipe&tube

ASTM A 179 A53 A106,API5L Gr.B X60 X42,Q235B, Q345B, Q345C, 20#,

12Cr1MoV,15CrMo, TP304,316 310S.S235JR ect

Thickness 1-100mm



Outer diameter 6-820 mm
Length 5.8m 6m 12m or as customer demand
Used area

Petroleum,chemical,power, gas, water, metallurgy, shipbuilding, construction

, etc Or as customer demand

Package In bundles, Varnish coating, Ends can be beveled or square cut, End capped
Certification ISO9001.2000, , API, Mill Test Certificate
Thirdparty inspection OMIC,SGS, or as customer demand
Remark We can customer made for special requirement



2: Tolerance in Dimension:


OD GB/T3639(GB8713) DIN2391(EN10305) Our Tolerence Best Quality
4-30mm ±0.10mm ±0.08mm ±0.05mm ±0.02mm
31-40mm ±0.15mm ±0.15mm ±0.05mm ±0.03mm
41-50mm ±0.20mm ±0.20mm ±0.05mm ±0.03mm
51-60mm ±0.25mm ±0.25mm ±0.08mm ±0.03mm
61-70mm ±0.30mm ±0.30mm ±0.10mm ±0.05mm
71-160mm ±0.30mm ±0.30mm ±0.10mm ±0.05mm
Tolerance in WT ±0.12mm ±0.10mm ±0.05mm ±0.03mm
Process Diameter Length Precision Inner Hole Roughness
Cold Rolled 30-100mm ≤12 m H8-H10 0.4-1.6
Cold Draw 30-250mm ≤12 m H8-H10 0.8-1.6
Honing 40-500mm ≤12 m H8-H9 0.4-0.8
Rolling 40-400mm ≤7 m H8 0.4
Inner Diameter H8 H9 H10  



3:Our Services: 


According to the different needs of customers, seriously implement each order, let customers are satisfied



4:Company Information: 


More than 20 years of careful management, customer first, quality first, the company expects to carry out multiple aspects of the level of cooperation with the customer



5:Product Show 

KN 42 5792 1995 Carbon Steel Pipe Coating Hot Rolled Technique Boiler Tube 0KN 42 5792 1995 Carbon Steel Pipe Coating Hot Rolled Technique Boiler Tube 1




7:Delivey conditions:

Material Tensile strength Yield strength Elongation Hardness
Ck20/20#/AISI1020 >520 N/ mm2 >375 N/mm2 >15% >85HB
Ck45/45#/AISI1045 >600 N/ mm2 >520 N/ mm2 >15% >85HB
ST52/16Mn/Q345D >600 N/ mm2 >520 N/ mm2 >15% >85HB
25Mn/STKM 13C-T >600 N/ mm2 >530 N/ mm2 >15% >85HB



  • Standard packing with plastic caps and strapped bundles.
  • Commercial length 2000~10500mm,custom lengths upon request
  • Surface protection