260 tons 4140 alloy and astm a242 steel properties delivered to Ukraine

260 tons 4140 alloy and astm a242 steel properties delivered to Ukraine

260 tons 4140 alloy and astm a242 steel properties delivered to Ukraine
  • Comments: Q370R grade is a Chinese steel material for boilers and pressure vessels. "Q" means yield strength, "370" means yield value, and R means container. Delivery status of Q370R steel plate: normalizing -20℃ impact. The steel product astm a

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