Cold Drawn En 10305-4 E235 E255 E355 +N Precision Seamless Steel Tubes for Hydraulic

• Type: Seamless
• Technique: Cold Drawn
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Hydraulic/Automobile Pipe, Special Purpose
• Section Shape: Round
• Model NO.: EY-PT
• Wall Thickness: 0.5 - 6 mm
• Length: 2-12m
• Delivery Time: 15-30 Days After Down Payment
• Alloy or Not: Non Alloy
• Standard or Not: Standard
• Secondary or Not: Non Secondary
• Price Term: Fob, CIF, CNF
• Payment: L/C, T/T
• Transport Package: Export Standard Packing
• Specification: 3.75 - 80mm
• Trademark: Kingmetal
• Origin: China (Mainland)
• HS Code: 730419
• Production Capacity: 2000ton/Tons Per Month

Product Description

Material:
10# 20# 45# 16Mn A106 Gr A,B,A53 Gr B,
ASTM A179,A315B,A335 P11,A335 P22,A335 P5
12CrMo 15CrMo 20CrMo 42CrMo 12Cr1Mov 10CrMo910 STF A25
E215,E235,E255,E335
ST35(E235), ST37, ST24(E255), ST52(E355)

Standard:
1. ASTM:ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B;
ASTM A333; ASTM A334; ASTM A192; ASTM A210;
2. JIS: G3452;G3457; G3454; G3456; G3461; G3455; STPG38; STS42; STS49; STPT49
3. DIN: St 37.0, St35.8I;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3
4. EN 10216-1: P235GH TC1, P235GH TC2, 16Mo3
5. EN 10305-4: E215,E235,E255,E335
5. API:APL 5LAPI 5CT ,etc.

Surface: Black painted,rust oil coated, Smooth, Bright,etc.

Application:
For manufacture of pipeline,vessels,equipment,pipe fittings and steel structures for conveying gas,water and oil in both the oil and natural gas industries for manufacturer wall panel,ecomomizer,reheater,superheater and steam pipeline of boilers. For conveying oil,gas and other fluid.
 

Table 1- Chemical composition
Steel Grade	C%	Si%	Mn%	P%	S%	AL%
E215	≤0.10	≤0.05	≤0.7	≤0.025	≤0.025	≥0.025
E235	≤0.17	≤0.35	0.4-1.2	≤0.025	≤0.025
E255	≤0.21	≤0.35	0.4-1.1	≤0.025	≤0.025
E355	≤0.22	≤0.55	≤1.6	≤0.025	≤0.025

Table 2 - Mechanical properties at room temperature
Delivery Condition	BK		BKW		GBK		NBK (N)
Steel Grade	Rm	A %	Rm	A %	Rm	A %	Rm	ReH	A %
	Mpa (Min)	(Min)	Mpa(Min)	(Min)	Mpa(Min)	(Min)	Mpa(Min)	Mpa(Min)	(Min)
E215	430	8	380	12	280	30	290~430	215	30
E235	480	6	420	10	315	25	340~480	235	25
E255	580	5	520	8	390	21	440~570	255	21
E355	640	4	580	7	450	22	490~630	355	22

End Shape	Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's  requirements
Surface  Treatment	Oiled, Galvanized, Phosphate etc
Technique	Cold drawn & cold rolled
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery  Conditions	1. BK (+C)	No heat treatment after last cold forming process.
	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed above the upper transformation  point in a controlled atmosphere.