BS3059 PT. 2 Gr 620 Boiler Tube

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Model NO.: KM-20200819
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport, Boiler Pipe, Machinery Industry, Special Purpose, Heat Exchanger Tube, Boiler Tube
• Section Shape: Round
• Size: 1/2"~4"(12.7mm~101.6mm)
• Thickness: 1mm-36mm
• Surface: Black Painting,Varnishing,Anti-Corrosion Oil,etc
• Standards: BS3059 BS3602 BS3604
• Materials: 360,440,243,620-460,622-490,S1,S2,Tc1,Tc2
• Delivery Condition: Annealed, Normalized, Normalized and Tempered
• Transport Package: Bundles with Plastic Paper Packaged or Wooden Box
• Specification: 12.7mm~101.6mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 73045110
• Production Capacity: 2000 Tons Per Month

Product Description

BS3059 Pt.2 Gr 620 boiler tube

To be used for heat-exchange, steam,condensers and similar heat transfer apparatus. 
Standard: BS3059 BS3602 BS3604
OD. Range:12.7mm - 101.6mm
Wall thickness: 1mm-36mm 
Length: Max length 12M
Type: Seamless boiler tube
Packaging detail: Bundles with plastic paper packaged or wooden box package
Technique: cold drawing, cold rolled
Applications:
heat exchangers tubes
Steam tubes
Condensers tubes
similar heat transfer apparatus tubes
seamless Heat Exchanger Tubes
 

Application	For high, middle, low pressure boiler and pressure purpose.
Steel Grade	BS3059-I 320 CFS  BS3059-II360,440,243,620-460,622-490,S1,S2,TC1,TC2
End protection	Plastic Caps
Outside coating	Black painting, anti-corrosion oil, galvanized or as per required by customers
Surface treatment	Oil,varnish,Passivation,Phosphating,Shot Blasting
Inspection and test	Chemical Composition Inspection,Mechanical Properties Test. Surface and Dimension Test, Non-destructive Test, Hydrostatic Test.
Delivery condition	Annealed, Normalized, Normalized and tempered

Chemical Composition(%): 

Grade	C	Si	Mn	P	S	Cr	Mo	Ni	Other
360	≤0.17	0.10~0.35	0.40~0.8	≤0.035	≤0.035	-	-	-	-
440	0.12~0.18	0.10~0.35	0.90~1.2	≤0.035	≤0.035	-	-	-	-
243	0.12~0.2	0.10~0.35	0.40~0.8	≤0.035	≤0.035	-	0.25~0.35	-	Al≤0.012
620-460	0.10~0.15	0.10~0.35	0.40~0.7	≤0.030	≤0.030	0.70~1.10	0.45~0.65	-	Al≤0.02
622-490	0.08~0.15	≤0.50	0.40~0.7	≤0.030	≤0.030	2.00~2.50	0.90~1.2	-	Al≤0.02
629-470	≤0.15	0.25~1	0.3~0.6	≤0.030	≤0.030	8~10	0.9~1.1	-	Al≤0.02
629-590
762	0.17~0.23	≤0.50	≤1.00	≤0.030	≤0.030	10.00~12.5	0.80~1.2	0.30~0.8	V 0.25~0.35

 
Mechanical Properties:

Grade	Tensile Strength (MPa)	Yield Strength (Mpa Min)	Elongation (% Min)	Flatten Coefficient
360	360~500	235	24	0.1
440	440~580	245	21	0.07
243	480~630	275	22	0.07
620~460	460~610	180	22	0.07
622~490	490~640	275	20	0.07
629~470	470~620	185	20	0.07
629~590	590~740	400	18	0.07
762	720~870	470	15	0.08