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NF
Standard Number
5CA49-215 (Steel Tubes Seamless Tubes For Ferritic NonAlloy And Alloy Heat Exchangers )
Grade TU37C TU42C TU48C TU15D3 TU15CD2-05 TU10CD5-05 TU10CD9-10 TUZ10CD5-05 TUZ10CD9 TU42BT TU17N2 TU10N9 TU10N14 TUZ6N9 [ All grade ]