Daraja:
ASTM: ASTM A213 T2, T12, T11, T22, T9, A199 T9;
ASTM A335 P2, P12, P11, P22, P5, P9, A199 T11, A200 T5;
DIN: 13CrMo44,10CrMo910,12CrMo195, X12CrMo91
JIS: STBA20, STBA22, STBA23, STBA24, STBA25, STBA26, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26
Saizi ya saizi: ½" - 1210" mm
Unene wa ukuta: 1-120 mm
Urefu:5.8m .11.8m au 12m au inavyohitajika
Upakaji: Mipako nyeusi, varnish ya mafuta, FBE, 2PE, 3PE, mabati nk
Mtihani: ukaguzi wa X-ray, ukaguzi wa ultrasonic mwongozo, ukaguzi wa uso, upimaji wa majimaji, utambuzi wa ultrasonic, ukaguzi wowote wa mtu wa tatu unakubalika.