High Quality Alloy Tube Cold Rolled 4135 Seamless Steel Pipe

• After-sales Service: Technical/Sample/Quality
• Warranty: One Year
• Type: Seamless
• Technique: Rolled or Forged
• Material: Alloy Steel
• Surface Treatment: Black/Peeled/Polished
• Model NO.: 4135
• Usage: Oil/Gas Drilling
• Section Shape: Round
• Transport Package: Anticorrosion Seaway Packages
• Specification: OD 30-850mm
• Trademark: SHUNFU
• Origin: China
• Production Capacity: 100000 Tons Per Year

Product Description

Product Description

Advantage	Thick Wall, Precision Dimension, +QT, Polished Surface, API certificated
Standard	API 5CT,
Grades	4130, 4140, 4145, 4145H, 4145H MOD, 4330V, 4317, 4340, ETC
Category	Seamless Round Steel Tube
Outside diameter inch	0.405 to 34
Inside diameter inch	0.049 to 1.25
NPS	1/8 to 34
Outside diameter mm	10 to 864
Inside diameter mm	1 to 80
Length Meter	Max 15
Length Foot	Max 49
Process	Forged or Hot rolled+cold drawn or Borehole
Heat treatment	Normalized ; Annealed ; Quenched and Tempered etc
Surface condition	Black, Peeled, Polished etc
Test	Tensile strength, Yield strength, elongation, impact value, hardness, grain size, ultrasonic test, magnetic particle testing, etc.
Packing	Sea worth standard exporting packing
Shipping term	In bulk / FCL / LCL, partial shipment allowed
Trade term	FOB, CIF, CFR, DDU etc
Payment	TT, LC etc
Delivery time	Within 7 days for stocks and 30 days for production

Company Profile

Equivalent grades of steel 34CrMo4 (1.7220)

EU	USA	Germany	Japan	France	England	Italy	China	Sweden
EN	-	DIN,WNr	JIS	AFNOR	BS	UNI	GB	SS
34CrMo4	4135	34CrMo4	SCM435H	34CD4	708A30	35CrMo4	35CrMo	2234

Chemical composition %  of  steel  34CrMo4 (1.7220):  EN 10083-3-2006

C	Si	Mn	P	S	Cr	Mo
0.3 - 0.37	max   0.4	0.6 - 0.9	max   0.025	max   0.035	0.9 - 1.2	0.15 - 0.3

Application:
Steel grade 34CrMo4 is used for the manufacture of pinion gears for large locomotives, booster drives, high pressure vessels, and pinions exposed to load and spring force. It can also be used for joining the drilling pipes of 2,000 m deep and fishing gear, as well as for bending dies.

Characteristics of steel grade 34CrMo4
Steel grade 34CrMo4 is an alloy steel intended for quenching and tempering and produced according to the requirements of ISO 683-2 and EN 10083-3.
 

Smelting Option

1 EAF: Electric Arc Furnace
2 EAF+LF+VD: Refined-smelting and vacuum degassing
3 EAF+ESR: Electro Slag Remelting
4 EAF+PESR: protective atmosphere Electro Slag Remelting
5 VIM+PESR: Vacuum induction melting
 

Forming Option

1 Hot rolling process
2 Hot Forging: Electro-hydraulic; High-speed-hydraulic; Oil-hydraulic; Precision-forging
 

Heat-treatment Option

1 +A: Annealed (full/soft/spheroidizing)
2 +N: Normalized
3 +NT: Normalized and tempered
4 +QT: Quenched and tempered (water/oil)
 

Surface Option

1 Black Surface
2 Grounded: Bright but rough ; Not precision
3 Machining for plate: Bright and precision; Little turning scar
4 Peeled/Turned: Bright and precision; Little turning scar
5 Polished: Very Bright and precision size; Not turning scar
 

Other Services

1 Cutting: Small pieces
2 CNC Machine: Produce as your drawing
3 Package: Bare/Nylon/Canvas/Wooden
4 Payment:T/T, L/C, O/A(request credit)
5 Transport:FOB/CFR/CIF/DDU/DDP (train/ship/Air)
 

Mill test certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.