Contact Us

Contact Person : Richard SHEN

Phone Number : +86-13736164628

WhatsApp : +8613736164628

Free call

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

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
Place of Origin: China Brand Name: TORICH
Certification: TS16949 ISO9001 ISO14001 Model Number: BS970 805H20

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.

 

 

 

 

 

 

 

 

 

 

 

You Might Be Into These
Get in touch with us

Enter Your Message

sales@steel-tubes.com
+8613736164628
+86-13736164628
torichinternational
+86-13736164628
torichinternational@yahoo.com
174524687
174524687
+86-13736164628