BACK UP ROLL
Description
Baosteel Roll is able to provide all BURs for cold and hot rolling mill (except for heavy strip mill), SPM BURs and ferous mill.
Baosteel Roll has the capability of making the maximum roll diameter 1800cm, the total length 8000cm, and the total weight of 80 tons.
The representative customers in China are Baowu Group, Shougang Group, Ansteel Group,Tisco etc.
The representative customers in overseas market are JSW, POSCO, Chinasteel, Tata Group, Constellium, Mobrakhi, TEZCAN, BORCELIK, MMK.NLMK,, SEVERSTAL, Unicoil etc.
Baosteel Roll has the capability of making the maximum roll diameter 1800cm, the total length 8000cm, and the total weight of 80 tons.
The representative customers in China are Baowu Group, Shougang Group, Ansteel Group,Tisco etc.
The representative customers in overseas market are JSW, POSCO, Chinasteel, Tata Group, Constellium, Mobrakhi, TEZCAN, BORCELIK, MMK.NLMK,, SEVERSTAL, Unicoil etc.
MATERIAL GRADE | performance | Chemical composition | Applicable mill production | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hardness | Grindability | Campaign | Anti-accident | Appliance | Automobile | Tinplate | Silicon | Stainless | Copper | Aluminum | ||
2%Cr | ★ | ★★★ | ★ | ★ | Cr :12% | ▲ | ▲ | |||||
3%Cr | ★ | ★★☆ | ★☆ | ★★★ | 8%Cr | ▲ | ▲ | ▲ | ▲ | ▲ | ▲ | |
4%Cr | ★ | ★★ | ★★ | ★☆ | Cr :12%,Co:0.5% | ▲ | ▲ | ▲ | ▲ | ▲ | ||
5%Cr-A | ★ | ★☆ | ★★☆ | ★☆ | Cr :8%,W:1% | ▲ | ▲ | ▲ | ▲ | ▲ | ||
5%Cr-B | ★★ | ★ | ★★★ | ★★★ | Cr :4%,W:6% | ▲ | ▲ | ▲ | ▲ | ▲ |
Capacity
Barrel Diameter | Barrel Length | Over Length | Weight |
---|---|---|---|
max. 1800mm (70.87") | max. 2800 mm (110.24") | max. 8000mm (314.96") | max. 80t/pc |
Technical requirements
Material | Max hardness(HSD) | Gas fired hardening (GF) | Low frequency static induction hardening (SIH) |
---|---|---|---|
Max hardening layer(mm) | Max hardening layer(mm) | ||
2%Cr | 80 | 30 | 50 |
3%Cr | 80 | 50 | 75 |
4%Cr | 80 | 60 | 75 |
5%Cr-A | 80 | 75 | 100 |
5%Cr-B | 80 | 75 | 100 |