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143 - 187 HB BS 970 805H20 Alloy Steel Tube Cold Drawn with Normalized / Quenched

Basic Information
Place of Origin: China
Brand Name: TORICH
Certification: TS16949 ISO9001 ISO14001
Model Number: BS970 805H20
Minimum Order Quantity: 5 ton
Price: negotiable
Packaging Details: In bundles with seaworthy packing
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 20000 ton /year
Detail Information
Standard: BS970 805H20 Place Of Orign: China
Brand: TORICH Material: 805H20 Alloy Steel Tube
Production: Cold Drawn Heattreatment: BK, +N, Q&T
High Light:

alloy steel tube

,

alloy steel seamless tube


Product Description

BS970 805H20 Alloy Steel Tube

 

BS970 Alloy Steel Grade

 

Alloy steels can be supplied with a  grain size of 5 to 8 determined in accordance with BS4490 or another method by agreement.  Steel supplied to hardenability reqquirements are supplied fine-grained and if coarse grain steel is specifically required, then the hardenaility shall be subject to negotiation.

143 - 187 HB BS 970 805H20 Alloy Steel Tube Cold Drawn with Normalized / Quenched 0

251A58  251H60

251A60  525H60

525A58  685H57

525A60  704H60

 

525A61  705H60

685A57  735H51

704A60  805H60

705A60  735A51

735A54  925A60

 

 

                                  BS970 805H20 Chemical Composition Table

 

C Si Mn S P Cr Mo Ni
0.17-0.23 0.10-0.35 0.60-0.95 ≤0.025 ≤0.006 0.35-0.65 0.15-0.25 0.35-0.75

 

 

 


                                  Hardness: 143-187 HB

 

HRC values at distance
1.5 3  5 7 9 11 13 15    
48 47 44 40 35 32 30 28 MAX

Hardness

(HRC)

41 37 31 25 22 20 - - MIN

 


 

 

 

Steel

Hardening temperature Requirements for hardness test Maximum hardness HB
Preheat treatment

Austenitizing

temperature

Bars and billets for forging Forgings and bars for machining
805H20 830-840 930-950 925 207 207

 

 

 

20CrNiMo

Chemical Composition Table
C Si Mn S P Cr Mo Ni
0.17-0.23 0.17-0.37 0.60-0.95 ≤0.035 ≤0.035 0.40-0.70 0.20-0.30 0.35-0.75

 

Mechanical Properties

Tensile strength

σb (MPa)

Yield strength

σs (MPa)

Elongation

δ5 (%)

≥980(100) ≥785(80) ≥9

 

 

 

 

Main market

Middle east, Africa, North and South America, East and West Europe, South and

southeast Asia, Australia

 

Payment term 30% T/T in advance, the balance 70% paid before shipment
Minimum quantity of order 5 ton
Delivery period 45-60 days after receiving 30% T/T in advance
Packing antirust protection, In hexagon bundles, in wooden box
Quantity tolerance +/-10%

 

 

143 - 187 HB BS 970 805H20 Alloy Steel Tube Cold Drawn with Normalized / Quenched 1

Who We are ?
-------A professional steel pipes materials inventor, manufacturer and solution provider Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.

 

 

 

 

 

 

 

 

 

 

 

Contact Details
Richard

Phone Number : +8613736164628

WhatsApp : +8613736164628