1. Material: carbon steel.
2.Standard:ISO,SNSI,JIS,DIN,GB/T12459GB/T13401ASME B16.9SH3408 SH3409HG/T21635HG/T21631SY/T05010 Type
1. Material: carbon steel.
2.Standard:ISO,SNSI,JIS,DIN,GB/T12459GB/T13401ASME B16.9SH3408 SH3409HG/T21635HG/T21631SY/T05010 Type