Steel Pipe and Tubing supplier & Exporter
Tolerance in Outside Diameter mm
S-H
OD of Tybes Tolerance
≤101.6 ± 0.4, -0.8
101.6 < ≤ 190.5 ± 0.4, -1.2
190.5 < < 228.6 ± 0.4, -1.6

Tolerance of Variation in Wall Thickness mm
OD of Tubes WT of Tubes S Tubes E Tubes
< 50.8 - - -
≥ 50.8 < 5.6 -
≥ 5.6 ± 10% ± 5%

Alloy Steel Pipes for High Temperature Service
GB 5310, CNB-9
12Cr1MoV

Alloy Steel Pipes for High Temperature Service

ASTM ASME JIS G 3460 BS DIN ISO ABS NK LRS DNV
A335 P1 SA335 P1 STPA 12   17175 15Mo3 2604 II TS26 ABS 6 KSTPA 12    
        17175 15Mo3 2604 III TW26        
A335 P2 SA335 P2 STPA 20 3604 P1 660   2604 II TS32 ABS 7      
          2604 III TW32        
A335 P12 SA335 P12 STPA 22 3604 P1 620-440 17175 
13CrMo44
  ABS 12 KSTPA 22 Sec 2 1Cr 1/2Mo440  
                Sec 3 1Cr 1/2Mo440  
A335 P11 SA335 P11 STPA 23 3604 P1 621     ABS 11 KSTPA 23    
A335 P22 SA335 P22 STPA 24 3604 P1 622 17175 
10CrMo910
2604 II TS34 ABS 13 KSTPA 24 Sec 2 2-1/4Cr1Mo440  
A335 P5 SA335 P5 STPA 25 3604 P1 625   2604 II TS37 ABS 14      
A335 P9 SA335 P9 STPA 26 3604 P1 629-470   2604 II TS38        
A335 P5b/P5c SA335 P5b/P5c   3604 P1 591 17175 
14MoV63
2604 II TS333     Sec 2 2-1/2Cr1Mo490  
A335 P15 SA335 P15   3604 P1 629-590 17175 
X20CrMoV12-1
2604 II TS39     Sec 2 1/2Cr 1/2Mo1/4V460  
A335 P21 SA335 P21   3604 P1 762   2604 II TS40        
A335 P91 SA335 P91                
A335 P92 SA335 P92                


Steel Pipes for Low Temperature Service

ASTM ASME JIS G 3460 BS DIN ISO ABS NK LRS DNV
A33 1 SA33 1 STPL 380 3603 430LT 17173 TTst35N   ABS 1L KLP A Sec 4 360 Sec 4-D-T56
        17173 TTst35V     KLP B   Sec 4-D-TW6
A334 1 SA334 1     17174 TTst35N     KLP C   Sec 4-D-TS10
        17174 TTst35V         Sec 4-D-TW10
A333 3 SA333 3 STPL 450 3603 503LT 17173 10Ni14 2604 II TS43 ABS 4L KLP 3 Sec 4 3.5Ni440 Sec 4-D-TS43
A333 8 SA333 8 STPL 690 3603 509LT 17173 X8Ni9 2604 II TS45 ABS 5L KLP 9 Sec 4 9Ni690 Sec 4-D-TS45
A333 4
A334 3
SA333 4
SA334 3
    17173 26CrMo4   ABS 2L KLP 2 Sec 4 410 Sec 4-D-TS15
                  Sec 4-D-TW15
A333 6
A334 6
SA333 6
SA334 6
    17173 11MnNi53   ABS 3L   Sec 4 460 Sec 4-D-26CrMo4
        17174 11MnNi53         Sec 4-D-TW43
A333 7
A334 7
SA333 7
SA334 7
    17173 13MnNi63   ABS 6L     Sec 4-D-11MnNi53
        17174 13MnNi63         Sec 4-D-TW45
A333 9
A334 8
SA333 9
SA334 8
    17173 12Ni19         Sec 4-D-13MnNi63
        17174 12Ni19          
A333 10
A334 9
SA333 10
SA334 9
    17174 10Ni14         Sec 4-D-12Ni19
A333 11
A334 11
SA333 11
SA334 11
    17174 X8Ni9          


Alloy Steel Pipes for Generator Piping

ASTM ASME KA BS DIN ISO ABS NK LRS DNV
A335 P23 SA335 P23 KA-STPA 24J1              
A335 P91 SA335 P91 KA-STPA 28              


Steel Tubes for Fired Heater

ASTM ASME JIS G 3467 BS DIN ISO ABS NK LRS DNV
A210 A1 SA210 A1 STFA 10              
A209 T1 SA209 T1 STFA 12              
A213 T12 SA213 T12 STFA 22              
A213 T11 SA213 T11 STFA 23              
A213 T22 SA213 T22 STFA 24              
A213 T5 S213 T5 STFA 25              
A213 T9 S213 T9 STFA 26              
MD Exports LLP
9th Floor, Platina, G Block, Plot C 59, Bandra Kurla Complex, Mumbai, MH 400051.
Email: [email protected],