GB 9439(88) HT 150 (China)
AFNOR NFA32101 FGL200A (France)
AFNOR NFA32101 FGL250A (France)
DIN WNr 0.6015 (Germany)
DIN 1691 GG15 (Germany)
UNI 5007 G15 (Italy)
NS 722 SjG200 (Norway)
AS 1830(86) T180 (NSW Australia)
GOST 1412 SCh18 (Russian Federation)
SS 140115 115 (Sweden)
BS 1452 180 (United Kingdom)
ASME SA278 25 (USA)
ASTM A278(93) 25 (USA)
ASTM A278M(93) 175 (USA)
ASTM A48(94) 25A (USA)
ASTM A48(94) 25B (USA)
ASTM A48(94) 25C (USA)
ASTM A48(94) 25S (USA)