Alloy steel round tube billets
- Grade:
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Specification, Chemical & Mechanical Performance
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.
Our main end users include Jiangsu Chengde Steel Tube Share Co., the Tube, Pipe and Bar Business Unit of Baoshan Iron & Steel Co., Jiangsu Changbao Steel Tube Co., Ltd., Jiangxi Hongdu Steel, Hengyang Valin Steel Tube Co., Shanghai Boiler Co., etc.
Typical steels / Performance standards
|
GB （standard） |
DIN （standard） |
JIS （standard） |
ASME/ASTM （standard） |
EN （standard） |
User 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 |
Product Specifications
|
Rolled round： |
Fang Forging： |
Round Forging： |
Casting round billet： |
|---|---|---|---|
|
Φ10~320 |
□120~800 |
Φ100~950 |
Φ180~1000 |
Description：
（1） Delivery state: hot-rolled, annealed and bright bars.
（2）Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
