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GB 30CrMn/AISI 4130/DIN 1.7218
GB 30CrMn/AISI 4130/DIN 1.7218/SCM2
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GB 42CrMo4/AISI 4140/DIN 1.7225
GB 42CrMo4/AISI 4140/DIN 1.7225/SCM440
GB 40CrNiMoA/AISI 4340/DIN 1.6582/JIS SACM639