Specification:1500/1900/2300/2500X100X55X4.20MM Base steel: Q235B(S235JRG2) Finish:Hot dip galvanizing Zinc coating: 70um Sigma-Pfosten, Sigma post, PfostenSpecification:1500/1900/2300/2500X100X55X4.20MMBase steel: Q235B(S235JRG2)Finish:Hot dip galvanizingZinc coating: Above 70umCertificate: ISO9001:2000 Sigma-Pfosten(RAL-RAG 620)