ASTM A199 Heat-Exchanger tubes, Condenser Tubes

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ASTM A199/A199M-92 Specification for Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger tubes and Condenser Tubes.


ASTM A199/A199M-92 Specification for Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger tubes and Condenser Tubes.  The ASTM A119 pressure boiler tube is wrapped with nylon fabric then bundled with 2 steel strips in each end, and other 2 in the middle.

Main grade we supply for ASTM A199
  • ASTM A199 T11
  • ASTM A199 T22
  • ASTM A199 T5

Delivery Condition:

  • Heat treatment,Annealed, Normalized, Normalized and Tempered

Surface treatment:

  • Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
  • Painting as requested.

Chemical analysis of ASTM A199 (%):

Steel gradeWTCMnP
(max)		S
(max)		SiCrMo
ASTM A199/T4MW0.15MAX0.30-0.600.030.030.50-1.002.15-2.850.44-0.65
ASTM A199/T5MW0.50-0.150.30-0.600.030.030.50MAX4.00-6.000.45-0.65
ASTM A199/T7MW0.15MAX0.30-0.600.030.030.50-1.006.00-8.000.45-0.65
ASTM A199/T9MW0.15MAX0.30-0.600.030.030.25-1.008.00-10.00.90-1.10
ASTM A199/T11MW0.50-0.150.30-0.600.030.030.50-1.001.00-1.500.44-0.65
ASTM A199/T22MW0.50-0.150.30-0.600.030.030.50MAX1.90-2.600.87-1.13
* Ni 0.40 max; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0.04 max

Mechnical Properties of ASTM A199:

Steel gradeTensile Strength
(Mpa)		Yield Strength
(Mpa)		Elongation
(%)		SPECIFIC REQUIREMENT
ASTM A199/T4415MIN170MIN30/22Hardness 85 HRB MAX
ASTM A199/T5415MIN170MIN30/22Hardness 85 HRB MAX
ASTM A199/T7415MIN170MIN30/22Hardness 85 HRB MAX
ASTM A199/T9415MIN170MIN30/22Hardness 85 HRB MAX
ASTM A199/T11415MIN170MIN30/22Hardness 85 HRB MAX
ASTM A199/T22415MIN170MIN30/22Hardness 85 HRB MAX

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