ASTM A199 Heat-Exchanger tubes, Condenser Tubes

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 grade	WT	C	Mn	P (max)	S (max)	Si	Cr	Mo
ASTM A199/T4	MW	0.15MAX	0.30-0.60	0.03	0.03	0.50-1.00	2.15-2.85	0.44-0.65
ASTM A199/T5	MW	0.50-0.15	0.30-0.60	0.03	0.03	0.50MAX	4.00-6.00	0.45-0.65
ASTM A199/T7	MW	0.15MAX	0.30-0.60	0.03	0.03	0.50-1.00	6.00-8.00	0.45-0.65
ASTM A199/T9	MW	0.15MAX	0.30-0.60	0.03	0.03	0.25-1.00	8.00-10.0	0.90-1.10
ASTM A199/T11	MW	0.50-0.15	0.30-0.60	0.03	0.03	0.50-1.00	1.00-1.50	0.44-0.65
ASTM A199/T22	MW	0.50-0.15	0.30-0.60	0.03	0.03	0.50MAX	1.90-2.60	0.87-1.13

* 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 grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)	SPECIFIC REQUIREMENT
ASTM A199/T4	415MIN	170MIN	30/22	Hardness 85 HRB MAX
ASTM A199/T5	415MIN	170MIN	30/22	Hardness 85 HRB MAX
ASTM A199/T7	415MIN	170MIN	30/22	Hardness 85 HRB MAX
ASTM A199/T9	415MIN	170MIN	30/22	Hardness 85 HRB MAX
ASTM A199/T11	415MIN	170MIN	30/22	Hardness 85 HRB MAX
ASTM A199/T22	415MIN	170MIN	30/22	Hardness 85 HRB MAX