قیمت ارزان astm a351 cf8m فروش داغ
CF8M is defined in ASMT A351, ASMT A743 and ASTM A744, which is for casting purposes only. SS316 is defined in ASTM A240 and ASTM A276, it's for plate, sheet, strip, or stainless steel bars. Grade F316, which is from ASTM A182 for Forged parts only. TP316 will be found in ATSTM A376 for pipe only.