MATERIAL DESCRIPTION

The grade is developed from the standard 13Cr grade and offer enhanced mechanical properties and corrosion resistance. The low carbon improves weldability whilst maintaining the martensitic microstructure.

BGH s13Cr-110 ksi has been qualified according to NACE 0175-3 annex B and NORSOK M650. General hardness requirement is 32 HRC. From surface to 3mm below surface 33 HRC is qualified and approved.

APPLICATIONS

Commonly used in the same area as AISI 4130, 4140 and 4145 but often in environment, which have a high content of sulfur.

Heat Treatment
Hardened and tempered.

Weldability
Moderate.

CHEMICAL COMPOSITION

Weight % C Si Mn Cr Ni Mo Cu N Ti V S P
Min.  S41425  0,50  12,00  4,00  1,50  0,06
Max.  0,05  0,50  1,00  15,00  7,00  2,00  0,30  0,12  0,005  0,020
Min.  S41426  11,50  4,50  1,50  0,01
Max.  0,03  0,50  1,00  13,50  6,50  3,00  0,50  0,50  0,005  0,020

Product Standards: 95ksi or 110ksi yield strength, mid radial material.
Approvals: NACE MR 0175 for 95ksi type.

Mechanical Properties: BAR

Yield strength Rp0.2,
MPa
Tensile strength Rm,
MPa
Elongation
[%]
Hardness
[HRC]
Impact, Charpy-V, -10ºC
[J]
S41425 Min.  655 (110 ksi)  724 (105 ksi)  ≥ 20  ≥ 60
Max.  827  ≤ 32/33
S41426 Min.  655 (95 ksi)  724 (105 ksi)  ≥ 20  ≥ 60
Max.  724 (105 ksi)  ≤ 27

ROUND BAR STOCK – MIN YLD 95 KSI

DIA
3″
4″
5″
6″
7″
8.5″

ROUND BAR STOCK – MIN YLD 110 KSI

DIA
3″
4″
5″
6″
7″
8″
8.5″
9″
10″