High Quality Container Boilers Tube for Sale

Container Boilers Tube

container boiler tube
  • Item Name: High Pressure Container Boilers Tube
  • Standards: ASEM SA335
  • Technicals: Cold drawn and Hot rolled
  • Size(mm):O.D.:28∼168 W.T.:2∼30 L:max 12000
  • Application: For seamless carbon steel bolier and superheater tubes for high-pressure service

Standard Steel Code Tensile Strength(MPa) Yield Strength(MPa) Elongation Percent(% Impact Power(J) Rigidity
ASME SA335 SA335 P11 ≥415 ≥205 ≥22 ≥35 ≤163HB
SA335 P12 ≥415 ≥220 ≥22 ≥35 ≤163HB
SA335 P22 ≥415 ≥205 ≥22 ≥35 ≤163HB
SA335 P5 ≥415 ≥205 ≥22 ≥35 ≤187HB
SA335 P91 585∼760 ≥415 ≥20 ≥35 ≤250HB
SA335 P92 ≥620 ≥440 ≥20 ≥35 ≤250HB

Chemical Component

Standard Steel Code Chemical Component(%)
C Si Mn P S Cr Mo Cu Ni V Al W Nb N
ASME SA335 SA335 P11 0.05∼ 0.15 0.50∼ 1.0 0.30∼ 0.60 ≤ 0.030 ≤0.030 1.00 ∼1.50 0.50 ∼1.00              
SA335 P12 0.05∼ 0.15 ≤0.50 0.30∼ 0.61 ≤ 0.030 ≤0.030 0.80 ∼1.25 0.44 ∼0.65              
SA335 P22 0.05∼ 0.15 ≤0.50 0.30∼ 0.60 ≤ 0.030 ≤0.030 1.90 ∼2.60 0.87 ∼1.13              
SA335 P5 ≤0.15 ≤0.50 0.30∼ 0.60 ≤ 0.030 ≤0.030 4.00/ 6.00 0.45/ 0.65              
SA335 P91 0.08∼ 0.12 0.20∼ 0.50 0.30∼ 0.60 ≤ 0.020 ≤0.010 8.00 ∼9.50 0.85 ∼1.05   ≤ 0.40 0.18∼ 0.25 ≤ 0.015   0.06∼ 0.10 0.03∼ 0.07
SA335 P92 0.07∼ 0.13 ≤0.50 0.30∼ 0.60 ≤ 0.020 ≤0.010 8.50 ∼9.50 0.30 ∼0.60 B0.001 0.006 ≤ 0.40 0.15∼ 0.25 ≤ 0.015 1.50∼ 2.00 0.04∼ 0.09 0.03∼ 0.07

Type of Steel Pipes OD(D) WT(S)
Cold Drawn Steel Pipe OD(mm) Tolerance (mm) Wall Thickness(mm) Tolerance (mm)
>30∼50 ±0.3 >3∼20 ±10%
>114∼159 ±0.8% ≤30 ±10%
>159∼219 ±1.0%
Hot Rolled Steel Pipe >219∼457 ±1.0% ≤20 ��10%,��12.5%
>20∼40 ��10%,��10%

Features Specifications:

OD(mm) Wall Thickness Unit(mm)
　 2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
Φ25-Φ28 ● ● ● ● ● ● 　 　 　 　 　 　 　 　
Φ32 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ34-Φ36 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ38 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ40 　 　 ● ● ● ● ● 　 　 　 　 　 　 　
Φ42 　 　 ● ● ● ● ● 　 　 　 　 　 　 　
Φ45 　 　 ● ● ● ● ● ● 　 　 　 　 　 　
Φ48-Φ60 　 　 ● ● ● ● ● ● ● 　 　 　 　 　
Φ63.5 　 　 　 ● ● ● ● ● ● ● 　 　 　 　
Φ68-Φ73 　 　 　 　 ● ● ● ● ● ● 　 　 　 　
Φ76 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ80 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ83 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ89 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ95 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ102 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ108 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ114 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ121 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ127 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ133 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ140 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ146 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ152 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ159 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ168 　 　 　 　 　 　 ● ● ● ● ● ● ● ●

Grade and Chemical Composition (%)

Chemical Composition C Mn P≤ S≤ Si≤
0.06-0.18 0.27-0.63 0.035 0.035 0.25

SA-450/SA-450M):

OD In (mm) + - WT In(mm) + -
<1(25.4) 0.10 0.10 ≤1.1/2(38.1) 20% 0
1∼1.1/2(25.4∼38.1) 0.15 0.15 >1.1/2(38.1) 22% 0
>1.1/2∼<2(38.1∼50.8) 0.20 0.20      
2∼<2.1/2(50.8∼63.5) 0.25 0.25      
2.1/2∼<3(63.5∼76.2) 0.30 0.30      
3∼4(76.2∼101.6) 0.38 0.38      
>4∼7.1/2(101.6∼190.5) 0.38 0.64      
>7.1/2∼9(190.5∼228.6) 0.38 1.14      

Brinell Hardness Number (WT≥)0.200In(5.1mm) Rockwell Hardness Number (WT)0.200In(5.1mm)
137HRB 77HRB

 

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