EVERISON INTERNATIONAL GROUP INC. www.everison.com Mooring and Anchor Chains We apply R3 and R4 grade chain steels for offshore mooring, anchoring chain for vessels and offshore oil platforms. Implementing Standard Steel Grade GB Standard Customer Protocol & Mutual Protocol M30Mn2 22MnCrNiMo R30Mn2 YXR4 28MnCrMo YXR3S Specification Round Rolling Bar Φ 10~160 Round Forging Product Φ 120~620 Coil Φ 5.5~34 Bright Bar Φ 15~300 Oil Field Drilling Tool Steels Implementing Standard Steel Grade ASTM Standard Customer & Mutual Protocol SAE4145H SAE4137H SAE4145HM SAE4137HM 37CrMnMoA Specification Round Rolling Bar Φ 10~250 Round Forging Product Φ 120~580 Bright Bar Φ 15~300 Square Rolling Product □ 80~200