Dab tsi ntawm cov hlau tsis zoo siab tsis-alloy steel suav nrog?

Dab tsi ntawm cov hlau tsis zoo siab tsis-alloy steel suav nrog?

1. Cov pa roj carbon zoo rau cov qauv hlau tsim, xws li lub siab zoo carbon steel teev hauv GB 699.

2. Cov pa roj carbon steel rau engineering qauv, xws li qeb C thiab qeb D steel raws li hais hauv GB 700.

3. Tsawg cov pa roj carbon steel rau stamping ntawv, xws li cov pa roj carbon zoo rau cov ntau lawm ntawm cov ntawv hlau uas tau teev tseg hauv GB 5213 thiab GB 3276.

4. Carbon hlau rau txheej phaj thiab sawb, xws li carbon hlau rau ntau lawm tin, galvanized, txhuas phaj thiab tuab phaj teev hauv GB 2518, GB 2520, GB 4174, GB 5065 thiab GB 5066.

5. Cov pa roj carbon steel rau lub rhaub dej thiab lub nkoj siab, xws li carbon hlau rau kev tsim cov pa roj carbon steel hlau, lub hau steel thiab cov hlau loj raws li tau teev tseg hauv GB 713, GB 3087, GB6653 thiab GB 6654.

6. Cov pa roj carbon steel rau lub nkoj tsim, xws li cov uas siv hauv kev tsim cov pa roj carbon steel daim hlau, cov tub ntxhais hlau thiab cov ntu raws li teev hauv GB 712, GB 5312 thiab GB 9945.

7. Cov pa roj carbon steel uas zoo rau cov tsheb nqaj hlau, xws li cov uas tau teev tseg nyob rau hauv GB 2585 rau cov kev tsheb ciav hlau hnyav ； thiab lwm yam.