34CrMo4 /4130X gas cylinder seamless alloy steel pipe
Product Description
STANDARD | EN10297-1 , GB18248 |
OD(OUTER DIAMETER) | 14-720MM |
WT(WALL THICKNESS) | 2-30MM |
DELIVERY CONDITION | NORMALIZING OR TEMPERING |
H.T TEMP& HOLD TIME | 830-870℃+530-630℃ |
FLATENNING | GOOD |
E.T (EDDY CURRENT TESTING)-ASTM E309 | GOOD,100% |
U.T(ULTRASONIC TESTING)-ASTM E213 | GOOD,100% |
CHEMICAL COMPOSITION % | C:0.3~0.37,Mn:0.6~0.9 ,Si below 0.4,S below 0.02,P below |
0.02 ,Cr:0.9~1.2,Ni below 0.3 ,Cu below 0.2, Mo:0.15~0.3 (V+Nb+Ti+B+Zr) below 0.15% | |
MECHANICAL PROPERTITIES | YIELD STRENGTH-615MPA,TENSILE STRENGTH-740MPA, ELOGATION-24.5% |
THEORETICAL WEIGHT(KG/M) | (OD-WT)*WT*0.02466 |
Packaging & Delivery
Packaging Details: By bundle , bulk for big OD . 25 tons per 20ft /40ft container .
Delivery Detail: 10 days