Material Code Cross Reference
China USA UK
2Crl3 ASTM A420 BS970  416S21
45 ASTM TYPE1045 BS4190
Graphite Spiral Wound Gasket MONEL+GRAPHITE
Q235-A Steel 321 BS4190
QT450-10 ASTM A536 Gr. 65-45-12 BS2789  GR65
SS Combined Gasket SP120 304+GRAPHITE or PTFE  SPWND   GASKET
ZCuZn38Mn2Pb2 Steel Back F4 B36 BS1400
ZQSn6-6-3 ASTM B62-93 BRONZE