PIPA, Connection FITTING, FLANGE, Etc
Standards API 5L GB/ T8163 ASTM A106/ A53/ A335, DIN2448 GB/ T8162, 8163, DIN1629, NF A49, GOST8731, JIS G3454......
Material: 20# , Q345B, GR. B, X42, X56, P11, 922, ST37, ST45.8, ST52, S235JR, S355JR, STP430......
Size: 1/ 2" s/ d 42"
Remark:
1. We can produce the products according to cu