Our round tube billets are mainly used for the manufacture of high, medium and low-pressure boiler tubes, pressure vessel tubes and drill collars and casing couplings for oilfields. Our round tube billet products for high, medium and low-pressure boiler tubes, pressurized vessel tubes are compliant with YB/T5137, the U.S. ASME SA-213, SA-210 and other related standards, with relevant production licenses granted by a Chinese government agency. Our T23, T91, T92 round tube billets produced with continuous casting and rolling process have received quality verifications by three leading boiler manufacturers in China. Round tube billets for the petroleum industry are mainly used for the manufacture of drill collars and casing couplings. The U.S. API standard and customer technical requirements are applied in our production, the processes of which have been certified by API.


Typical steels / Performance standards

Specifications
GB StandardDIN StandardJIS
StandardASME/ASTM StandardEN StandardUser standards
and mutual agreement

15MoG
20MoG
12CrMoG
15CrMoG
12Cr1MoVG
16Mo3
12Cr2MoG

St35.8
15Mo3
13CrMo44
10CrMo910
14MoV63
34CrMo4

STBA 410
STBA 12
STBA 13
STBA 20
STBA 22
STBA 24
STBA 26

SA-210A1
SA-210C
SA-192
SA-213 T91
SA-213 T92


P235GH
16Mo3
13CrMo4-5
10CrMo9-10
X10CrMoVNb9-1

T2
T12
T11
T22
T23
T91
T92


rolled Round Flat-rolled products：Round Forging：Casting round billet：
Φ10~320Φ120~800Φ100~950
Φ180~1000
Hubei Kaixin Supply Chain Management Co., Ltd.
TEL ：+8618272169977 ; 0714-6510168
FAX：0714-6519746
Email：info@hubeikaixin.com
Add：No.37 Huahu Ave Huahu Street.Huangshi City Hubei
Code：435000
web:www.kxdiesteel.com Large forging
website:http://www.kxdiesteel.com/tool-steel/