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"Carbon Steel
ASTM A193 B7
ASTM A193 B7M
ASTM A193 B16
ASTM A320 L7
ASTM A320 L7M
ASTM A320 L43
ASTM A325
Stainless Steel
ASTM A193 B8 CL1/CL2
ASTM A193 B8M CL1/CL2
ASTM A193 B8C CL1/CL2
ASTM A193 B8T CL1/CL2
ASTM A320 B8 CL1/CL2
ASTM A320 B8M CL1/CL2
ASTM A320 B8C CL1/CL2
ASTM A320 B8T CL1/CL2
ASTM A453 660
ASTM A453 662A
ASTM A453 665B
Duplex & Duplex Strong
ASTM A182 F51, S31803
ASTM A182 F53, S32750
ASTM A182 F55, S32760"
stud bolt
Ningbo Junwei Fastener Co.,Ltd.
ANSI/ASTM, screws, washers, thread rodsCoatings: plain, black, zinc plat...
