SAE 1020 1045 4140 8620h 4340 18crnimo7 Forged Hollow Steel Bar
China SAE 1020 1045 4140 8620h 4340 18crnimo7 Forged Hollow Steel Bar, Find details about China Steel Hollow Bar, Hollow Steel Bar from SAE 1020 1045 4140 8620h 4340 18crnimo7 Forged Hollow Steel Bar
Basic Info.
Model NO.
Forged steel
Delivery Condition
Forged / Forged+Rough Turned
Heat Treatment
Annealed, Normalized, Qt
MOQ
One Piece
Grades
1045, 4140, 1020, 4340, 4130, 8620 etc
Commodity
Forged Hollow Bar
Transport Package
Standard Sea Worthy
Specification
200-1000mm
Origin
China
Model NO.
Forged steel
Delivery Condition
Forged / Forged+Rough Turned
Heat Treatment
Annealed, Normalized, Qt
MOQ
One Piece
Grades
1045, 4140, 1020, 4340, 4130, 8620 etc
Commodity
Forged Hollow Bar
Transport Package
Standard Sea Worthy
Specification
200-1000mm
Origin
China
Product Desciption
AISI 1045 4130 4140 8620 4340 Forged Steel Hollow Bar
1. Forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm
Hollow bar OD:100-1200mm
Other forged parts: as per drawing
2.Supply condition for Forged steel bars:
Forged from vacuum degassed ingots.
Black /Rough Machined /Rough turned
3.Processing of forged steel hollow bar
EAF + LF + VD + Forged +Normalized+Rough Turned+ Heat Treatment (optional)
4. Forged Steel bar tolerance:
| Forged Bars | Forged sizes | Tolerance |
| Black | up to 500mm | (-0/+5mm) |
| above 500mm | (-0/+8mm) | |
| Rough Turned | all sizes | (-0/+3mm) |
5.The main grade we supply:
SAE 4140, SAE 4130, SAE 1045, SAE 1020, SAE 4340, SAE 8620,SAE 4145H
S20C,S45C,SCM440,C45,CK45, SCM435, H13,17CRNIMO6,AND SO ON
6.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d
7.MOQ: one piece per size/grade
8.Payment term: FOB CIF CFR EXW and so on
9.Delivery time : 7 to 30 days after deposit received.
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