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ASTM A199 / ASME SA199 / Seamless Cold Drawn Intermediate Alloy Steel Heat Exchanger and Condenser Tubes supplier & distributor in India

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ASTM A199M-89 

Seamless Cold Drawn Intermediate Alloy Steel Heat Exchanger and Condenser Tubes

This standard is issued snder the fixed designatioa A 199/A 199M ; the number immediately following the designation indicates the year of original adpton or , in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This specification covedrs several grades of minimum-wall-thickness, chromium-molybdenum and chromium-molybdenum-silicon, seamless, cold-drawn, intermediate alloy steel tubes for heat exchangers, condensers, and similar heat transfer apparatus.

1.2 The tubing sizes usually furnished to this specification are 1/8 to 3 in. [3.2 to 76.2 mm) in outside diameter. Tubing having other dimensions may be furnished provided such tubes comply with all other requirements of this spedification.

1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in [3.2 mm] in inside diameter or 0.015 in [0.4mm] in thickness. 

1.4 The values stated in either inch-pound units or SO units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therfore, each system must ve used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

TABLE 1 Chemical Requirements

Grade Composition, %
Carbon Manganese Phosphorus,
max		 Sulfur,
max		 Silicon Chromium Molybdenum Others
T4 0.05 min-0.15 max 0.30-0.60 0.025 0.025 0.50-1.00 2.15-2.85 0.44-0.65 ...
T5 0.15 max 0.30-0.60 0.025 0.025 0.50 max 4.00-6.00 0.45-0.65 ...
T9 0.15 max 0.30-0.60 0.025 0.025 0.25-1.00 8.00-10.00 0.90-1.10 ...
T11 0.05 min-0.15 max 0.30-0.60 0.025 0.025 0.50-1.00 1.00-1.50 0.44-0.65 ...
T21 0.05 min-0.15 max 0.30-0.60 0.025 0.025 0.50 max 2.65-3.35 0.80-1.06 ...
T22 0.05 min-0.15 max 0.30-0.60 0.025 0.025 0.50 max 1.90-2.60 0.87-1.13 ...
T91 0.08-0.12 0.30-0.60 0.020 0.010 0.20-0.50 8.00-9.50 0.85-1.05 Ni 0.40 max; V
- - - - - - - - 0.18-0.25; Cb
- - - - - - - - 0.06-0.10; N
- - - - - - - - 0.03-0.07; Al
- - - - - - - - 0.04 max



TABLE 2 Tensile Requirements

- All Grades Except T91 Grade T91
Tensile strength, min, psi [MPa]

Yield strength, min, psi[MPa]

Elongation in 2 in. or 50 mm, min, %
For longitudinal strip tests, a deduction shall be made for each 1/32-in. (0.8-mm) decrease in wall thickness below 5/16 in. (7.9mm) from the basic minimum elongation of the following percentage points

When standard round 2-in. or 50-mm gage length or small er proportionally sized specimen with the gage length equal to 4D (four times the diameter) is used		 60 [415] 85 [585]
25 [170] 60 [415]
30 20
1.50A 1.00A
22 -
AThe following table gives the computed minimum values:/td>
Wall Thickness in. [mm] Elongation in 2 in. 50 mm, min, %B
5/16 (0.312) [8] 30 20
9/32 (0.281) [7.2] 28 19
1/4 (0.250) [6.4] 27 18
7/32 (0.219) [5.6] 26 17
3/16 (0.188) [4.8] 24 16
5/32 (0.156) [4] 23 15
1/8 (0.125) [3.2] 21 14
3/32 (0.094) [2.4] 20 13
1/16 (0.062) [1.6] 18 12
0.062 to 0.035 [1.6 to 0.9], excl 17 12
0.035 to 0.022 [0.9 to 0.6], excl 16 11
0.022 to 0.015 [0.6 to 0.4]. incl 16 11


Note-The above table gives the computed minimum eiongation values for each 1/32-in. [0.8 mm] decrease in wall thickness. Where the wall thickness lies between two vallues shown above. the minimum elongation value shall be detemined by the following equation: For all Grades except T91:E =48t + 15.00 [E = 1.87t + 15.00]
For Grade T91: E = 32t + 10.00

where:
E = elongation in 2 in.or 50 mm, %, and
t = actual thickness of spectimen, in.
B Calculated elongation requirements shall be rounded to the nearest whole number.


TABLE 3 Number of Tubes in a Lot Heat Treated by the Continuous Process 

Size of Tube Size of Lot
2 in. [50.8 mm] and over in outside diameter and o.200 in. [5.1 mm] and over in wall thickness not more than 50 tubes
Less than 2 in. [50.8 mm] but over 1 in. [25.4 mm] in outside diameter or over 1 in. [25.4 mm] in outside diameter and under 0.200 in. [5.1 mm] in wall thickness not more than 75 tubes
1 in. [25.4 mm] or less in outside diameter not more than 125 tubes

Material Comparison Tables (ASTM ¡æKS, JIS, DIN, BS, NBN, NF, UNI) 

ASTMS
TANDARD
UNS NO.
KOREA/JAPANES

GERMAN
BRITISH
BELGIAN
FRENCH
ITALIAN
KS/JIS Symbol
KS/JIS Numbe
Re
marks
DIN Type

DIN
Number

Materiral
Number
Re
marks

B.S
Number
B.S Grade
Remarks
NBN Type
NBN Grade
Re
marks
AFNOR Type
NF Number
Re
marks
UNI Type
UNI No
 Re
marks

A 199

Seamless Cold Drawn Intermediate Alloy Steel Heat Exchange and Condenser Tubes

                                        
T5
 K41545 STHA 24 / STBA 25 D3572 / G3462 (35) 12 CrMo 19 5   1.7362 (3a) 3606 CFS 625 (35) X 12 Cr Mo 5 837 (35) Z 12 CD 5.05   (3a)     (3); dalmine 234
T11
 K11597 STHA 22 / STBA 23 D3572 / G3462 (35) 13 CrMo 44 17175 1.7335 (8) 3606 CFS 621 (35)       10 CD 5.05   (3a)     (3); dalmine 227(10)
T22
 K21590 STHA 23 / STBA 24 D3572 / G3462 (35) 10 CrMo 9 10 17175 1.7380   3606 CFS 622 (35) 10 Cr Mo 9 10 837 (35) 10 CD 9.10   (3a) 12CrMo 9 10 5462 (10)0



JIS Number and Corrensponding Foreign Standards   

JIS
ASTM
BS
DIN
NF
ISO

Index Number

Standard Number

Grade

Tupe

Standard Number

Grade

Tupe

Standard Number

Grade

Tupe

Standard Number

Grade

Tupe

Standard Number

Grade

Tupe

Standard Number

Grade

Tupe
G3462
STBA12
Mo
A209
T1
Mo
3606
ERW245
Mo
                  
C011
     
A250
T1
Mo
"
CEW245
Mo
                    
           
"
CFS245
Mo
                    
 
STBA13
Mo
A209
T1-A
Mo
                          
     
A250
T1-a
Mo
                          
     
A629
-
Mo
                          
 
STBA20
CrMo
A213
T2
CrMo
                          
 
STBA22
CrMo
A213
T12
CrMo
3059
S1 620
CrMo
17175
13CrMo44
CrMo
              
           
"
S2 620
CrMo
                    
           
3059
ERW620
CrMo
                    
           
"
CEW620
CrMo
                    
           
3604
HFS620-460
CrMo
                    
           
"
CFS620-460
CrMo
                    
           
"
ERW620-460
CrMo
                    
           
"
CEW620-460
CrMo
                    
           
"
HFS620-440
CrMo
                    
           
"
CFS620-440
CrMo
                    
           
"
ERW620-440
CrMo
                    
           
"
CEW620-440
CrMo
                    
           
3606
ERW620
CrMo
                    
           
"
CEW620
CrMo
                    
           
"
CFW620
CrMo
                    
 
STBA23
CrMo
A199
T11
CrMo
3604
HF621
CrMo
      
A49-213
TU10CD
CrMo
        
     
A213
T11
CrMo
"
CFS621
CrMo
      
A49-215
TU10CD5.05
CrMo
        
           
"
ERW621
CrMo
                    
           
"
CEW621
CrMo
                    
           
3606
ERW621
CrMo
                    
           
"
CEW621
CrMo
                    
           
"
CFS621
CrMo
                    
 
STBA24
CrMo
A199
T22
CrMo
3059
S1-622-440
CrMo
17175
10CrMo910
CrMo
A49-213
Tu10CD9.10
CrMo
        
     
A213
T22
CrMo
"
S2-622-440
CrMo
      
A49-215
Tu!0CD9.10
CrMo
        
           
"
S1-622-490
CrMo
                    
           
"
S2-622-490
CrMo
                    
 
STBA25
CrMo
A199
T5
CrMo
3604
HFS625
CrMo
            
260 4/2
TS37
CrMo
  
     
A213
T5
CrMo
"
CFS625
CrMo
                    
           
3606
CFS625
CrMo
                    
 
STBA26
CrMo
A199
T9
CrMo
3059
S1-629-470
CrMo
      
A49-213
TUZ10CD9
CrMo
        
     
A213
T9
CrMo
"
S2-629-470
CrMo
      
A49-215
TUZ10CD9
CrMo
        
           
"
S1-629-470S2-629-590
CrMo
                    
           
"
S2-629-590
CrMo
                    
           
3604
HFS629-470
CrMo
                    

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